Measuring, Testing, And Calibrating Patents (Class 358/504)
  • Patent number: 8836996
    Abstract: The embodiment described herein can prompt setting of processing conditions to be set by using a display of a weight value used in a quota function. There is provided an image forming apparatus, including: a residual amount detection unit that detects a residual amount of each disposable product; a residual amount information acquisition unit that acquires residual amount information; a determination unit that determines whether there are the disposable products in which a residual amount is disproportionately small; a weight value setting unit that sets the weight value used for weighting so that the weighting for calculating the processing amount of the image forming processing corresponding to setting conditions not using the disposable products having a disproportionately small residual amount is relatively smaller than the weighting corresponding to other setting conditions; and a display control unit that displays the set weight value on a screen.
    Type: Grant
    Filed: May 31, 2011
    Date of Patent: September 16, 2014
    Assignees: Kabushiki Kaisha Toshiba, Toshiba Tec Kabushiki Kaisha
    Inventor: Daisuke Murakoshi
  • Patent number: 8836967
    Abstract: An image forming device includes an image forming section, a CPU and memory storing executable instructions that, when executed by the CPU, cause the image forming device to provide functions including a data acquisition section, a mismatch correction section and a control section. The data acquisition section is configured to acquire a variation in factor that causes a mismatch of a parameter. The control section is configured to estimate an amount of mismatch of the parameter based on the variation and to send a request for measuring the amount of mismatch to the mismatch correction section when the estimated amount is equal to or larger than a reference value. The control section is also configured to alter at least one of calculation factors used for estimating the amount of mismatch and the reference value according to the measured amount.
    Type: Grant
    Filed: February 17, 2011
    Date of Patent: September 16, 2014
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventor: Kentaro Murayama
  • Patent number: 8837022
    Abstract: Disclosed is an image reader including a first reading unit that reads an image on a front surface of an object placed on a first background member to output a first output value; a second reading unit that reads an image on a back surface of the object placed on a second background member which is different from the first background member to output a second output value; a ground output detecting unit that detects first and second ground output values based on the first and second output values, respectively; a thickness calculating unit that calculates the thickness of the object based on an output ratio between the first ground output value and the second ground output value; and an output correction unit that corrects the first and second output values based on the calculated thickness of the object.
    Type: Grant
    Filed: December 6, 2011
    Date of Patent: September 16, 2014
    Assignee: Ricoh Company, Ltd.
    Inventor: Takahiro Kurakata
  • Patent number: 8824029
    Abstract: A color calibration method and an image processing device using the same are provided. The method includes: obtaining a first image of a calibration card having color blocks, each of which corresponds to a standard value; obtaining first sensing values according to the first image, wherein each of the first sensing values corresponds to one of the standard values; generating a calibration table according to the first sensing values and the standard values; determining if a recursive condition is satisfied. The method also includes: obtaining a second image of the calibration card if the recursive condition is not satisfied; obtaining second sensing values according to the second image; adjusting the second sensing values according to the calibration table to generate third sensing values; updating the calibration table according to the third sensing values and the standard values until the recursive condition is satisfied. Accordingly, the calibration table is generated automatically.
    Type: Grant
    Filed: September 14, 2012
    Date of Patent: September 2, 2014
    Assignees: Cal-Comp Electronics & Communications Company Limited, Kinpo Electronics, Inc.
    Inventors: Po-Nian Chu, Chih-Jung Chang
  • Patent number: 8823993
    Abstract: Disclosed are a method, computer program product, and system for print job distribution. An amount of available consumable resources for each of a plurality of printers is determined. An estimated usage of the consumable resources for the plurality of printers for one or more printer jobs in a printer queue is determined. A maintenance schedule related to the maintenance of the consumable resources for each of the plurality of printers is accessed. A print distribution plan for each print job in the printer queue is determined, based at least in part on the amount of available consumable resources for each of the plurality of printers, the estimated usage of consumable resources for the plurality of printers for each printer job in a printer queue, and the maintenance schedule related to the maintenance of the consumable resources for each of the plurality of printers.
    Type: Grant
    Filed: October 10, 2013
    Date of Patent: September 2, 2014
    Assignee: International Business Machines Corporation
    Inventors: Gary D. Cudak, Lydia M. Do, Christopher J. Hardee, Adam Roberts
  • Patent number: 8824016
    Abstract: An image processing device performs: defining determination regions based on image data; executing a first color conversion for the image data using a first type of parameter to generate a first image; determining an estimated amount of colorant for each determination region, the estimated amount indicating an usage amount of colorant to be used for each determination region when the first image is printed; outputting the first image if the estimated amounts of colorant for all determination regions are smaller than or equal to respective threshold values; and executing a second color conversion for the image data using a second type of parameter to generate a second image if the estimated amount of colorant for at least one is greater than the threshold value, the usage amount of colorant for the second image being smaller than the usage amount of colorant for the first image.
    Type: Grant
    Filed: September 18, 2013
    Date of Patent: September 2, 2014
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventor: Takashi Nishizaki
  • Patent number: 8824024
    Abstract: An image reading device includes a reading unit having a light-receiving unit and a light-emitting unit emitting a plurality of lights of different colors toward a reading position. An opposing member is disposed opposite the reading unit with the reading position interposed therebetween. The controller controls the light-emitting unit to emit the lights and the light-receiving unit to receive the lights thereby acquiring an intensity of each light. The controller determines that a sheet is not present when relationships among intensities of the plurality of lights are same as the first intensity relationships. The first intensity relationships are defined by intensities of the plurality of lights reflected by the opposing member and received by the light-receiving unit. The first intensity relationships are different from intensity relationships of the plurality of lights reflected by a sheet present at the reading position and received by the light-receiving unit.
    Type: Grant
    Filed: March 13, 2013
    Date of Patent: September 2, 2014
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventor: Takeshi Kuno
  • Patent number: 8823729
    Abstract: A patient monitoring/defibrillation instrument displays patient vital signs in numeric form or as graphical waveform traces. Under normal room lighting conditions the numeric and waveform information is displayed in color against a black or gray background. When the patient monitor is operated outside or in bright light, the user has the option to select a color map for display of the patient vital signs information in a highly contrasting manner such as black numeric or waveform information against a bright background such as yellow. The high contrast display, while being objectionable in most indoor settings, has been found to comfortably and effectively display the monitored information in sunlight without the need to increase power to the display.
    Type: Grant
    Filed: August 26, 2013
    Date of Patent: September 2, 2014
    Assignee: Koninklijke Philips N.V.
    Inventor: Edward Parnagian
  • Patent number: 8824005
    Abstract: A method of characterizing an imaging system is described includes printing a color chart having a plurality of predetermined color patches; measuring the color patches to obtain colorimetric data; initializing a Neugebauer model with the Neugebauer solids of said colorimetric data; optimizing the global parameters of the Neugebauer model; optimizing the parameters associated with Demichel terms based on the Neugebauer primary associated with the Demichel term; optimizing parameters that vary with device coordinates; and creating a characterization file for the imaging system.
    Type: Grant
    Filed: June 21, 2011
    Date of Patent: September 2, 2014
    Assignee: Eastman Kodak Company
    Inventor: Christopher J. Edge
  • Patent number: 8824006
    Abstract: According to one embodiment, a color correction apparatus includes an input portion, a storing portion and a correction portion. The input portion inputs color image signals which correspond to recording color material amounts. The storing portion stores a standard color reproduction parameter for calculating a standard color reproduction chromaticity and reference chromaticity deviation amounts at a plurality of reference color points in recording color material amount coordinate space. The correction portion estimates chromaticity deviation amounts of the input color image signals on the basis of the reference chromaticity deviation amount, calculates a standard chromaticity which corresponds to the input color image signals on the basis of the standard color reproduction parameter and corrects the input color image signals on the basis of the estimated chromaticity deviation amounts and the standard chromaticity.
    Type: Grant
    Filed: August 11, 2011
    Date of Patent: September 2, 2014
    Assignees: Kabushiki Kaisha Toshiba, Toshiba Tec Kabushiki Kaisha
    Inventors: Takayuki Sawada, Naofumi Yamamoto
  • Patent number: 8823990
    Abstract: Disclosed are a method, computer program product, and system for print job distribution. An amount of available consumable resources for each of a plurality of printers is determined. An estimated usage of the consumable resources for the plurality of printers for one or more printer jobs in a printer queue is determined. A maintenance schedule related to the maintenance of the consumable resources for each of the plurality of printers is accessed. A print distribution plan for each print job in the printer queue is determined, based at least in part on the amount of available consumable resources for each of the plurality of printers, the estimated usage of consumable resources for the plurality of printers for each printer job in a printer queue, and the maintenance schedule related to the maintenance of the consumable resources for each of the plurality of printers.
    Type: Grant
    Filed: December 31, 2012
    Date of Patent: September 2, 2014
    Assignee: International Business Machines Corporation
    Inventors: Gary D. Cudak, Lydia M. Do, Christopher J. Hardee, Adam Roberts
  • Publication number: 20140240803
    Abstract: A method is disclosed. The method includes estimating a quantity of toner to be used to print a job at a printer by calculating a buildup of toner at edges of data on each page of the print job.
    Type: Application
    Filed: February 26, 2013
    Publication date: August 28, 2014
    Inventors: Chai Wah Wu, Barry M. Trager, Mikel J. Stanich, Kartheek Chandu
  • Patent number: 8817329
    Abstract: A color measuring device includes a unit configured to calculate a reference-value matrix for converting imaged reference RGB value of a reference color patch a reference colorimetric value of the reference color patch; a unit configured to convert a color-measurement RGB value of a color measurement object into an imaged colorimetric value of the color measurement object by using the corresponding reference-value matrix; a unit configured to select reference color patches of which the reference colorimetric values each have a close distance from the imaged colorimetric value in the predetermined color space; a unit configured to select, as selection RGB values, the imaged reference RGB values of the selected patches; a unit configured to calculate a selection-RGB-value matrix for converting the selection RGB values into the reference colorimetric values; and a unit configured to convert the color-measurement RGB value into a colorimetric value by using the selection-RGB-value matrix.
    Type: Grant
    Filed: February 15, 2013
    Date of Patent: August 26, 2014
    Assignee: Ricoh Company, Limited
    Inventors: Nobuyuki Satoh, Yasuyuki Suzuki, Masato Kobayashi, Yuichi Sakurada, Suguru Yokozawa, Mamoru Yorimoto, Tatsuhiko Okada, Daisaku Horikawa, Ryo Honda
  • Patent number: 8817343
    Abstract: An image reading apparatus capable of reading documents includes a reading unit including a light emitting element, a mechanism configured to move the reading unit, and a control unit configured to control the reading unit and the mechanism both to carry out reading by turning on the light emitting element and moving the reading unit and to temporarily stop moving the reading unit upon occurrence of a predetermined factor. The control unit sets a first current value which is caused to flow through the light emitting element when reading is carried out and sets a second current value which is less than the first current value and which is caused to flow through the light emitting element when the reading unit is temporarily stopped.
    Type: Grant
    Filed: June 12, 2013
    Date of Patent: August 26, 2014
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kenji Kubozono, Yasuyuki Shinada
  • Patent number: 8817333
    Abstract: Provided is a display device with photosensors that can achieve a scanner function without increasing the memory capacity for images. A display device with photosensors includes a visible light source and an invisible light source. The display device with photosensors further includes: a first photosensor that detects the amount of received light in a pixel region when the invisible light source is on; a second optical sensor that detects the amount of received light in the pixel region when the invisible light source is off; and a third photosensor that detects the amount of received light reflected from an object to be scanned, causing only display pixels respectively nearest to the third photosensors within a prescribed range in the pixel region to be in a display state, and causing other pixels in the prescribed range to be in a non-display state.
    Type: Grant
    Filed: December 14, 2011
    Date of Patent: August 26, 2014
    Assignee: Sharp Kabushiki Kaisha
    Inventor: Atsushi Okada
  • Patent number: 8810841
    Abstract: A print data processing system includes plural main interpretation devices that interpret print data described in a page description language and generate print image data to be supplied to a printer, auxiliary interpretation devices that interpret the print data, generate print image data to be supplied to the printer, and are not powered on when the plural main interpretation devices are powered on, and an allocation device that divides the print data in prescribed units and allocates interpretation processing of divided print data of the respective units to the plural main interpretation devices, wherein the allocation device includes a load evaluation unit that evaluates the loads of the plural main interpretation devices, and a power-on unit that, when the loads of the plural main interpretation devices evaluated by the load evaluation unit exceed a prescribed on threshold value for activating the auxiliary interpretation devices, powers on the auxiliary interpretation devices.
    Type: Grant
    Filed: July 25, 2012
    Date of Patent: August 19, 2014
    Assignee: Fuji Xerox Co., Ltd.
    Inventor: Mamoru Mochizuki
  • Publication number: 20140226192
    Abstract: A test chart on which measurement images are formed is conveyed in one direction. When the measurement images pass a color sensor, they undergo pre-scanning. A color sensor accumulation time is determined for each measurement image according to the pre-scanning. The test chart is subsequently conveyed in the one direction, whereupon the conveyance direction is changed. In this way, after the color sensor has completed pre-scanning for all of the measurement images, the test chart is once again conveyed toward the color sensor. When the test chart passes the color sensor again, main scanning of the measurement images is executed.
    Type: Application
    Filed: January 31, 2014
    Publication date: August 14, 2014
    Applicant: CANON KABUSHIKI KAISHA
    Inventor: Taichi Takemura
  • Patent number: 8804157
    Abstract: A method, programmed medium and system are disclosed which provide for an in-line scanner used to dynamically scan a document or image, real-time as it is being printed within a printer unit and before the printed document exits the printer. The scanned image is compared to a stored electronically-generated image of the file being printed. When the comparison is determinative that there is a printing problem, the printing operation may be stopped quickly before the partially printed document or image has exited the printer. An error message may then be displayed, and the user is enabled to take appropriate action. A resume function enables a user to resume a print job at exactly the place where it had left off before detecting a print problem. In another embodiment, when the system detects a problem with a print job, the entire print job of the remainder of the print job is sent from the faulting printer to another printer where either the remainder of the print job or the entire print job is completed.
    Type: Grant
    Filed: April 6, 2011
    Date of Patent: August 12, 2014
    Assignee: International Business Machines Corporation
    Inventors: Gordon Bockus, Jr., Michael Andrew Bockus, Derek Ryan Brewer, Robert Dale Wilhelm
  • Patent number: 8804197
    Abstract: A print quality control method, including the steps of: providing a visual referring target on the printing substrate, setting a specific halftone of black “K”; creating a neutral grey tone i.e. NGT; placing tightly both MGT and NGT next to each other across the printing surface; and comparing both printed tones result. By adopting the grey balance theory and visual matching technique, the resultant can provide accurate ink balance information for the production personnel to immediate execute the correction on the imbalance inking condition during production.
    Type: Grant
    Filed: May 27, 2013
    Date of Patent: August 12, 2014
    Inventor: Tak kin Andrew Yan
  • Patent number: 8804194
    Abstract: An image forming apparatus includes an image forming unit, a storage unit, an image processing unit and a control unit. The image processing unit (i) calculates a summed height of a color toner image formed on a sheet by summing up a height of the color toner image on the basis of input image data, (ii) calculates, on the basis of a target value for glossiness stored in the storage unit, a target total height of the color toner image and a clear toner image to realize the target value for glossiness, and (iii) calculates a height of the clear toner image by subtracting the summed height from the target total height. On the basis of the calculated height of the clear toner image, the control unit adjusts the height of the clear toner image formed on the sheet.
    Type: Grant
    Filed: March 18, 2013
    Date of Patent: August 12, 2014
    Assignee: Konica Minolta Business Technologies, Inc.
    Inventors: Kazuhiro Saito, Hideaki Tanaka, Katsuyuki Hirata, Takashi Harashima
  • Patent number: 8804199
    Abstract: An image processing apparatus connected via a network to a plurality of image forming apparatuses that implement a first gradation correction, or a second gradation correction. The image processing apparatus includes a selection unit configured to select the first gradation correction or second gradation correction, for each of the connected plurality of image forming apparatuses, an instruction unit configured to send an instruction to an image forming apparatus for which a first gradation correction has been selected by the selection unit, a reading unit configured to read out patch patterns that have been printed by the image forming apparatus for which the second gradation correction has been selected, and a transmission unit configured to transmit data for correcting readout values of the patch patterns to the image forming apparatus for which the second gradation correction has been selected.
    Type: Grant
    Filed: November 15, 2010
    Date of Patent: August 12, 2014
    Assignee: Canon Kabushiki Kaisha
    Inventor: Osamu Iinuma
  • Patent number: 8804195
    Abstract: An information processing method according to an aspect of the present invention includes an attribute acquisition step of acquiring an attribute of a print medium, a reference information acquisition step of acquiring reference information corresponding to the attribute of the print medium, and an image outputting step of outputting a plurality of images having different total colorant amounts on the basis of the reference information.
    Type: Grant
    Filed: August 7, 2007
    Date of Patent: August 12, 2014
    Assignee: Canon Kabushiki Kaisha
    Inventor: Hiromitsu Nishikawa
  • Patent number: 8804150
    Abstract: An image forming apparatus includes a plurality of optical scanning devices, a job receiver, a job executor, an image discriminator, a temperature condition judger and a temperature adjuster. When a formation-target image is a single-color image and an image to be formed next is a multi-color image, the temperature adjuster drives a motor of one optical scanning device at a second rotating speed slower than a rotating speed during an image forming operation and drives motors of unused optical scanning devices at a third rotating speed faster than the second rotating speed if a temperature condition is satisfied upon the completion of an image forming operation of the single-color image.
    Type: Grant
    Filed: February 25, 2013
    Date of Patent: August 12, 2014
    Assignee: Kyocera Document Solutions Inc.
    Inventors: Naoki Iwami, Hiroshi Yamashita, Ryota Maeda
  • Patent number: 8804149
    Abstract: An image forming apparatus includes a plurality of optical scanning devices, a mode receiver, a temperature condition judger and a temperature adjuster. In the case of forming an image using one optical scanning device, the temperature adjuster drives motors of unused optical scanning devices at a first rotation speed if a predetermined temperature condition is satisfied and drives the motors of the unused optical scanning devices at a second rotation speed slower than the first rotation speed if image formation is finished during the drive at the first rotation speed.
    Type: Grant
    Filed: February 21, 2013
    Date of Patent: August 12, 2014
    Assignee: Kyocera Document Solutions Inc.
    Inventors: Ryota Maeda, Hiroshi Yamashita, Naoki Iwami
  • Patent number: 8797589
    Abstract: A computer-implemented method for color calibration and profiling of an output device includes measuring a color patch in a test pattern, which comprises a plurality of color patches, to obtain first image data; measuring the color patch in the test pattern to obtain second image data; transforming the first image data to a first estimated image data; determining a difference between the second image data and the first estimated image data to obtain a correction factor; and calculating, for each patch in the test pattern, a corrected image data by applying the correction factor to a subsequent estimated image data from the first sensor. The correction factor is used for correcting inaccuracies introduced when the first image data is transformed into the first estimated image data. The first image data and the second image data provide a measured color representation of the color patch in a device dependent color space and a device independent color space, respectively.
    Type: Grant
    Filed: August 19, 2010
    Date of Patent: August 5, 2014
    Assignee: Xerox Corporation
    Inventors: Edul N. Dalal, Wencheng Wu
  • Patent number: 8797600
    Abstract: Image forming apparatus (100) creates a toner pattern on intermediate transfer belt (11) as a preprocessing of gradation correction, and calculates a cycle at which density unevenness is largest. Then, a toner image for gradation correction is formed so as to cancel cyclic unevenness at a cycle at which the largest density unevenness occurs. As a result of this, it becomes possible to suppress the deterioration of density detection accuracy and perform a highly accurate gradation correction even if density unevenness of any cycle occurs.
    Type: Grant
    Filed: April 24, 2012
    Date of Patent: August 5, 2014
    Assignee: Konica Minolta Business Technologies, Inc.
    Inventors: Takashi Harashima, Hideaki Tanaka, Katsuyuki Hirata, Toru Yamaguchi, Takaaki Kooriya
  • Publication number: 20140211227
    Abstract: A method and system for monitoring an image capturing device determines a distortion of an image of a printing medium, wherein the image is captured by means of an image capturing device, such as an in-line camera or scanner, and wherein the image comprises a calibration pattern with a plurality of calibration marks printed on the printing medium. The calibration pattern comprises at least a first sub-set of calibration marks relating to a first separation and a second sub-set of calibration marks relating to a second separation. The distortion is determined by analyzing the first sub-set of calibration marks, and the image is corrected based on said determined distortion. The displacement of the second sub-set of calibration marks with respect to the first sub-set of calibration marks may then be determined. The invention may be employed in a wide range of printers and presses.
    Type: Application
    Filed: January 30, 2013
    Publication date: July 31, 2014
    Applicant: HEWLETT-PACKARD INDIGO, B.V.
    Inventors: Tsafrir Yedid Am, Tair Atzmon, Dmitry Iofe
  • Patent number: 8792128
    Abstract: An inspection apparatus, inspection system, inspection method, and inspection control program stored in a recording medium, each of which sets a reference point in a master image and a read image read from a printed image, which is to be used for detecting the positional shift between the read image and the master image, based on determination whether a pattern previously added to the printed image for detecting the positional shift is available or can be used to effectively detect the positional shift.
    Type: Grant
    Filed: August 13, 2012
    Date of Patent: July 29, 2014
    Assignee: Ricoh Company, Ltd.
    Inventors: Tadashi Kitai, Hitomi Kaneko, Hiroyoshi Ishizaki, Keiji Kojima, Keiichi Miyamoto, Hiroyuki Kawamoto
  • Patent number: 8792140
    Abstract: Disclosed is an image information processing apparatus that determines, based on image information, a region suitable for inspecting image forming performance of an image forming apparatus in an entire region of an image represented by the image information. The image information processing apparatus includes a segment region extraction unit that extracts a segment region having a predetermined size from the entire region of the image; a color reproducibility prediction unit that predicts a result of color reproducibility of the entire image by using an algorithm in a case where the image forming performance is adjusted based on a color measurement result of the extracted segment region; and an object region determination unit that determines, as an object region, the segment region showing a best one of the plural results obtained by repeatedly performing extraction processing by the segment region extraction unit and prediction processing by the color reproducibility prediction unit.
    Type: Grant
    Filed: November 26, 2010
    Date of Patent: July 29, 2014
    Assignee: Ricoh Company, Ltd.
    Inventor: Takayuki Hara
  • Patent number: 8792125
    Abstract: A method and system according to the disclosure facilitates subscription based access to services for image systems including an image acquisition device configured to generate image data describing a target object in a target area of the image acquisition device and an image display device configured to generate a human perceptible rendering of the target object based on the image data.
    Type: Grant
    Filed: July 25, 2013
    Date of Patent: July 29, 2014
    Assignee: THX, Ltd.
    Inventors: Peter Polit, Robert C. Carroll
  • Patent number: 8792147
    Abstract: A method of determining calibration test patterns to be utilized to calibrate a model for simulating the imaging performance of an optical imaging system. The method includes the steps of defining a model equation representing the imaging performance of the optical imaging system; transforming the model equation into a plurality of discrete functions; identifying a calibration pattern for each of the plurality of discrete functions, where each calibration pattern corresponding to one of the plurality of discrete functions being operative for manipulating the one of the plurality of discrete functions during a calibration process; and storing the calibration test patterns identified as corresponding to the plurality of discrete functions. The calibration test patterns are then utilized to calibrate the model for simulating the imaging performance of an optical imaging system.
    Type: Grant
    Filed: August 14, 2007
    Date of Patent: July 29, 2014
    Assignee: ASML Netherlands B.V.
    Inventor: Edita Tejnil
  • Patent number: 8792148
    Abstract: An inspection method for an image reading apparatus where image information of an original is imaged on light receiving element lines arranged in a main scanning direction to read the information on different colors. The method includes: acquiring a first color misregistration from image information based on a first striped pattern located at a position optically equivalent to a surface of the original with respect to the light receiving element lines, the first pattern having white and black lines aligned, and having longitudinal directions of the white and black lines aligned in a sub-scanning direction; acquiring a second color misregistration from image information based on a second striped pattern having white and black lines aligned, and having longitudinal directions of the white and black lines aligned at an angle from the main scanning direction; and calculating a color misregistration in the sub-scanning direction based on the measured color misregistrations.
    Type: Grant
    Filed: October 14, 2010
    Date of Patent: July 29, 2014
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takayuki Sugiyama, Tadao Hayashide
  • Patent number: 8792134
    Abstract: Conventional calibration patches are designed such that gradation values of the patches are determined, based on the overall length of a trajectory of a monochrome ink color in an L*a*b* space, so that distances between patches become uniform, and therefore provide low interpolation accuracy in a region where measurement values change non-linearly in accordance with the change in gradation. According to the present invention, gradation values of patches to be used for color calibration are determined so that the patches are closely arranged in a region where measurement values change non-linearly in accordance with the change in gradation. Thus, interpolation accuracy can be improved in a region where measurement values change non-linearly.
    Type: Grant
    Filed: December 21, 2012
    Date of Patent: July 29, 2014
    Assignee: Canon Kabushiki Kaisha
    Inventors: Yuki Omagari, Mitsuru Uratani, Yuki Ishida, Yutaka Hiyama, Masaaki Obayashi
  • Patent number: 8786921
    Abstract: Upon receiving information that indicates the type of printing medium from an information processing apparatus, a printing apparatus determines whether a parameter corresponding to the type of printing medium indicated by the information is stored. When it is determined that the parameter is stored, the printing apparatus transmits the parameter to the information processing apparatus. The information processing apparatus performs color correction for image data using the parameter received from the printing apparatus. The information processing apparatus transmits the color-corrected image data to the printing apparatus, and the printing apparatus prints an image based on the color-corrected image data.
    Type: Grant
    Filed: March 30, 2012
    Date of Patent: July 22, 2014
    Assignee: Canon Kabushiki Kaisha
    Inventor: Tatsunori Sasaki
  • Patent number: 8786898
    Abstract: It is determined whether an entered designated color is a color within a gamut of a printing machine or not. If the designated color is judged as being not a color within the gamut, then the designated color is mapped to converted colors within the gamut according to a plurality of gamut mapping processes. One of the gamut mapping processes which corresponds to one of the converted colors is selected. If the designated color is judged as being a color within the gamut, the designated color is set as a reference color. If the designated color is judged as being not a color within the gamut, then the selected one of the converted colors is set as the reference color.
    Type: Grant
    Filed: September 17, 2010
    Date of Patent: July 22, 2014
    Assignee: FUJIFILM Corporation
    Inventor: Takeshi Katayama
  • Patent number: 8780409
    Abstract: A method for processing black point compensation parameters for a color image to be printed so as to enhance image quality of the color image is provided.
    Type: Grant
    Filed: November 2, 2012
    Date of Patent: July 15, 2014
    Assignee: Xerox Corporation
    Inventors: Martin Maltz, Alvaro E. Gil, Himanshu J. Madhu, Lina Fu, J. Michael Sanchez
  • Patent number: 8780369
    Abstract: An approach is provided for cloud administrative management of spatial uniformity correction useful in printing. The approach involves determining, by a cloud administration system, an achievable gamut achievable by an imaging system for at least one of: all spatial locations of an output image, all print engines of a plurality of print engines, and at least one printer within a cluster of printers. The approach also involves determining, a mean gamut. The approach further involves causing, at least in part, a gamut mapping from the mean gamut to the achievable gamut. The approach additionally involves determining a set of transformations for each of a set of input colors to a set of target colors, the set of target colors selected from colors in the achievable gamut. The approach further involves causing, at least in part, an output image to be generated based, at least in part, on the transformed values.
    Type: Grant
    Filed: June 21, 2012
    Date of Patent: July 15, 2014
    Assignee: Xerox Corporation
    Inventors: Robert William Burke, Jr., Michael Philip Kirby
  • Patent number: 8780424
    Abstract: In the image processing device, the color conversion part converts the input value to an output value by using a color profile. The correction part corrects the output value to a corrected value by using a correction table. The update part updates the correction table based on a density patch. The first and second amount is an estimated amount of the color material to be consumed when corrected image data corrected by either using the updated correction table or using an initial correction table, respectively, is printed. When the amount determining part determines that the first amount is greater than the second amount, the modifying part modifies the color profile such that the output value in the modified color profile specifies a less amount of color material than an amount of color material specified by the output value in the unmodified color profile.
    Type: Grant
    Filed: October 6, 2011
    Date of Patent: July 15, 2014
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventor: Ryuji Yamada
  • Patent number: 8780385
    Abstract: A print control unit 118 that, once it receives a datacasting automatic activation notification or a datacasting manual activation notification, determines whether or not datacasting is present for a currently selected channel. In a case in which datacasting is present, the print control unit 118 acquires maintenance information acquired from a printer 200 through a maintenance information acquisition process. Based on the acquired maintenance information, the print control unit 118 determines whether or not to issue a command to the printer 200 requesting execution of a maintenance process.
    Type: Grant
    Filed: September 10, 2008
    Date of Patent: July 15, 2014
    Assignee: Canon Kabushiki Kaisha
    Inventors: Tomoyuki Ohno, Yuichi Matsumoto, Shinya Oda
  • Patent number: 8773716
    Abstract: A print color predicting apparatus, a print color predicting method, and a recording medium having a program recorded therein acquire a spectral reflectance of a print, estimate a plurality of sets of optical property values of a protective film that covers the print, depending on the spectral reflectance of the print, and predict a spectral reflectance of a protective-film-covered print, using the spectral reflectance of the print and the sets of optical property values of the protective film.
    Type: Grant
    Filed: October 31, 2011
    Date of Patent: July 8, 2014
    Assignee: FUJIFILM Corporation
    Inventor: Shuhei Horita
  • Patent number: 8773715
    Abstract: At least one color patch, which is extracted as a candidate patch from within a color chart, is colorimetrically measured and a color value is acquired. Based on a color value of a designated color to be reproduced on a print and a color value of the candidate patch, a corresponding position on the color chart responsive to the color value of the designated color is calculated. Instruction mark images indicative of the calculated corresponding position are displayed respectively, together with a simulating image, in which a layout of multiple color patches on the color chart is simulated.
    Type: Grant
    Filed: September 20, 2011
    Date of Patent: July 8, 2014
    Assignee: FUJIFILM Corporation
    Inventors: Takeshi Katayama, Eiji Teraue
  • Patent number: 8773719
    Abstract: There is disclosed a power supply control device including a load that executes a predetermined process and operates when power is supplied; a power supply state transition controlling unit that allows at least the load to be transitioned to a power supply state, or a power interruption state; plural detection units that can operate within respective power-consumption ranges, and detects information related to the execution of the load; a power supply control unit for detection unit, which supplies power continuously to a minimum power-consumption type detection unit, and which supplies power to a detection unit having a relatively large power-consumption based on a detection result of a detection unit having a relatively small power-consumption; and a transition time determining unit that is executed when power is supplied with respect to a maximum power-consumption type detection unit, and that determines a transition time by the power supply state transition controlling unit.
    Type: Grant
    Filed: January 6, 2012
    Date of Patent: July 8, 2014
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Motofumi Baba, Kazuhiko Narushima, Masafumi Ono, Kenta Ogata, Kouichi Azuma, Kenji Kuroishi, Hidenori Horie, Keiko Shiraishi
  • Patent number: 8773740
    Abstract: An image forming apparatus includes a plurality of optical scanning devices, a job receiver, a job executor, an image discriminator for discriminating whether a formation-target image included in an image forming job is a single-color image or a multi-color image, a first condition judger, a second condition judger and a temperature adjuster. In the case of forming a single-color image, the temperature adjuster drives motors of all the optical scanning devices if a predetermined first condition and a predetermined second condition are satisfied and drives the motor of one optical scanning device and does not drive the motors of the other optical scanning devices but the one optical scanning device if the first condition is satisfied, but the second condition is not satisfied.
    Type: Grant
    Filed: February 21, 2013
    Date of Patent: July 8, 2014
    Assignee: Kyocera Document Solutions Inc.
    Inventors: Ryota Maeda, Hiroshi Yamashita, Naoki Iwam
  • Publication number: 20140185114
    Abstract: An image forming apparatus includes an image forming unit configured to form a measurement image on a sheet, a measurement unit configured to irradiate light on the measurement image and measure reflected light from the measurement image, a white reference plate provided to be movable to a first position and a second position, a black member provided to be movable to a third position where the black member shields light that is irradiated on the white reference plate and to a fourth position that is retracted from the third position, and a control unit configured to, in a state in which the white reference plate is at the second position and the black member is at the third position, cause the sheet, on which the measurement image has been formed, to pass between the measurement unit and the black member and cause the measurement unit to measure the measurement image.
    Type: Application
    Filed: December 23, 2013
    Publication date: July 3, 2014
    Applicant: CANON KABUSHIKI KAISHA
    Inventor: Taichi Takemura
  • Patent number: 8767277
    Abstract: The optical density of a first primary color is determined using two test patches. The first patch is printed with only the first primary color and a second primary color. The second patch is printed using the first primary color and a second primary color. The optical density of both patches is measured. The optical density of the first primary color is determined using the measured optical density of the second primary color and the measured optical density of the first patch.
    Type: Grant
    Filed: November 16, 2012
    Date of Patent: July 1, 2014
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Juan Uroz Soria, Jacint Humet Pous, Miguel Angel Lopez Alvarez
  • Patent number: 8767266
    Abstract: There is provided an image processing apparatus which can suppress degradation of an image quality in a recording material save mode processing and obtain an effect of consumption amount reduction of recording material desired by a user at low costs. A recording material consumption amount at the time of applying first color conversion processing unit is predicted corresponding to inputted image data. The setting of a second color conversion processing is changed from a prediction value and a target value of the recording material consumption amount.
    Type: Grant
    Filed: July 27, 2012
    Date of Patent: July 1, 2014
    Assignee: Canon Kabushiki Kaisha
    Inventor: Jun Nagai
  • Patent number: 8767267
    Abstract: According to the present invention, to perform double-sided printing or marginless printing, overall image data consonant with an area that includes an area on a print medium and an overrun area are generated based on information concerning the size of the print medium and information concerning the overrun distances. To generate image data, the image data are prepared for both one side of the print medium and the other side of the print medium, so that, relative to the print medium, the position of the image data corresponding to one side matches the position, relative to the print medium, of the image data corresponding to the other side.
    Type: Grant
    Filed: August 9, 2005
    Date of Patent: July 1, 2014
    Assignee: Canon Kabushiki Kaisha
    Inventor: Haruyuki Yanagi
  • Publication number: 20140177016
    Abstract: A system and method are provided for streak detection in an image scanning system. The disclosed systems and methods may be particularly applicable to constant velocity transport (CVT) digital scanning systems by comparing multiple scans of a simply-produced test pattern passed over the sensor in multiple orientations. Image information from each pass of the test pattern through the image scanning system may be compared to image information from other passes in which the orientation of the test pattern is changes. The data may be normalized and compared to discern image quality defects introduced by the image scanning system including image defects presented in the form of streaks in an output image based on the scanned data. Cumulative data regarding detected image defects and defect correction measures applied in the image scanning system may be collected and stored for a user to access.
    Type: Application
    Filed: December 20, 2012
    Publication date: June 26, 2014
    Applicant: XEROX Corporation
    Inventor: Mike WILSHER
  • Patent number: 8760670
    Abstract: A system and method is disclosed for print production sheet identification. The method discloses: receiving a set of calibration sheets; collecting an array of pixel samples from at least one of the calibration sheets according to a set of pixel sampling rules to generate at least one reference sample array; capturing an image of a set of physical sheets generated from the set of calibration sheets; collecting an array of pixel samples from at least one of the imaged physical sheets according to the set of pixel sampling rules to generate at least one post-processing sample array; and comparing the post-processing sample array to the reference sample array to determine if the two arrays have less than or equal to a predetermined number of differences. The system discloses: a sampling module, operated by a processor, a scanner, and a comparison module, operated by a processor.
    Type: Grant
    Filed: October 1, 2009
    Date of Patent: June 24, 2014
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Robert Ulichney, Matthew Gaubatz, David Rouse
  • Patent number: 8760741
    Abstract: An image scanning device has an image sensor including a plurality of arrayed light receiving elements; a light source for shining light upon a scanning object; a lens unit for guiding reflected light from a scanning object to the image sensor and having a plurality of rod lens arrays, in which a plurality of rod lenses are arrayed, joined together; and a correction unit for generating image data based on the output values from the light receiving elements of the image sensor and correcting the pixel values of pixels in the image data corresponding to a position of a joint section between rod lens arrays so that the pixel values become darker.
    Type: Grant
    Filed: April 19, 2012
    Date of Patent: June 24, 2014
    Assignee: Kyocera Document Solutions Inc.
    Inventor: Hirotoshi Tagawa