Abstract: A pretreatment agent for ink jet printing employing an acid dye includes hydroxyethyl cellulose; ammonium salt; a hydrotropic agent; and water, wherein the content of the hydroxyethyl cellulose is in the range of 1 to 5 wt % and the content of ammonium salt is in the range of 1 to 6 wt %.

Abstract: An inkjet ink system includes an anionic jettable ink, and a cationic fixer fluid, wherein the anionic jettable ink includes between 0 and 4% styrene-acrylic or acrylic binder, between 0.3 and 10% latex binder, between 1 and 6% colorant, between 1 and 40% solvent with a vapor pressure less than 0.01 mm Hg at 25° C., and water.

Abstract: The invention provides an ink-jet recording ink set including at least one first liquid A for at least forming an image and at least one second liquid B having a different composition from the composition of the first liquid A, wherein the first liquid A contains at least a polymer having a heterocyclic residue for forming a colorant, and a pigment, as well as an ink-jet recording method using the ink set.

Abstract: The present invention provides an ink-jet recording method for forming an image by applying an ink to a recording medium. The ink contains at least water, a colorant and a surfactant. The content of the surfactant is higher than or equal to the critical micelle concentration of the surfactant, and the ink used has a surface tension lower than or equal to the critical surface tension of the recording medium. The ink is applied on the recording medium, and the surface tension of the ink is increased to a surface tension higher than the critical surface tension of the recording medium after the ink contacts the recording medium.

Abstract: A printing apparatus includes a medium casing which accommodates at least one printing medium in a stack manner, an accommodated medium conveying unit which conveys the at least one printing medium accommodated in the medium casing from a first medium standby position to a second medium standby position, a feeding unit which feeds an outermost printing medium of the at least one printing medium conveyed to the second medium standby position from the medium casing, a printing medium conveying unit which conveys the fed printing medium from the feeding unit to a printing position, a print head which is disposed at a position opposed to the printing position and carries out a printing process on a printing surface of the conveyed printing medium, and a brush which brushes off the printing surface of the printing medium at a position between the second medium standby position and the printing position.

Abstract: At least sequential current and subsequent sheets of a print job are received in a document processing system. Each sheet includes a front image and a back image. The received sheets are scheduled to be printed with at least one of a first and a second sequence by at least one of a first and a second marking engine based on a comparison of the image content in corresponding selected portions of each front and back image.

Abstract: A scanning printer including a scanner unit having an adjustable scanning light output may be adjusted by determining a minimum response for each pixel and a maximum response for each pixel when scanning a calibration document and setting the light output to correlate to a maximum response value. The scanner unit may include a reference plate for internal and routine performance adjustments which include comparison of initial and operational response to the reference plate. Performance adjustments may be designed to account for and overcome various typical operational problems encountered with frequent use.

Abstract: An imaging system comprises a laser source for emitting a beam, a photoconductive surface, a scanning device and a controller. The controller designates at least a first part and a second part of each line of image data, corresponding to a first part and a second part of each associated sweep of the beam. The laser source is modulated based upon the first part of the line of image data during the first part of a first one of the associated sweeps of the beam. The laser source is not modulated according to image data for the second part of the first one of the sweeps. During the first part of a second one of the associated sweeps of the beam, the laser source is not modulated based upon image data. However, the laser source is modulated based upon the second part of the line of image data during the second part of the second one of the sweeps.

Abstract: A thermal head includes a glass layer having a protruding section formed on one surface and a concave groove section formed on the other surface facing the protruding section, a plurality of heat generation resisters disposed substantially linearly on the protruding section, and a pair of electrodes provided to both sides of each of the heat generation resistors, wherein a part of each of the heat generation resistors exposed between the pair of electrodes is defined as a heat generation section, the glass layer is provided with the groove section so as to face a line of the heat generation sections, and reinforcement sections are provided on both sides of the line of the heat generation sections of the groove sections.

Abstract: In the light amount correction in the main scanning direction, sets of correction values of black and cyan for which the reflection frequency of optical elements are equal to an even number of times are made common to each other (a correction value set—KC), and sets of correction values of magenta and yellow for which the reflection frequency of optical elements are equal to an odd number of times are made common to each other (a correction value set—MY), whereby sets of correction values stored in a correction value storage portion in a correction value setting portion are reduced to two sets. Furthermore, in connection with this, the number of DA converters is reduced to two DA converters of a DA converter—K, C and a DA converter—M, Y.

Abstract: An imaging system is equipped with two or more exposure heads that are each able to image either a separate media sheet or a portion of a single media sheet loaded on a media carrier. The imaging time for any combination of media sheets is minimized by providing for the adjustment of the spacing between the dual exposure heads whenever the media configuration changes. In imaging a unitary image using two exposure heads to each image a sub-image, any discontinuity between the end of the first sub-image and the start of the next sub-image is reduced by changing the traversing speed of one of the exposure heads by a fractional amount.

Abstract: A laser beam scanning apparatus according to the invention includes: a laser oscillating unit that outputs a laser beam; a laser beam scanning unit that performs scanning in a main scanning direction with a laser beam and irradiates the laser beam on a photosensitive member; an error signal generating unit that monitors, in APC period, intensity of a laser beam from the laser oscillating unit and generates an error signal of an error between oscillating unit output and a output reference value; a correction data generating unit that generates correction data for correcting intensity on the photosensitive member to be constant along the main scanning direction; a correction signal generating unit that subjects the correction data to D/A conversion to generate a correction signal; and a laser control signal generating unit.

Abstract: A laser beam scanning apparatus includes: a laser oscillating unit that outputs a laser beam; a laser beam scanning unit that performs scanning in a main scanning direction with a laser beam and irradiates the laser beam on a photosensitive member via an optical lens; an error signal generating unit that monitors, in a predetermined period other than an image formation period, intensity of a laser beam and generates an error signal of an error between output intensity of the laser oscillating unit and a reference value; a correction signal generating unit that generates a correction signal for correcting intensity of a laser beam along the main scanning direction such that intensity on the photosensitive member is set to be a predetermined constant value; and a laser control signal generating unit that holds, during the image formation period, a reference and applies the correction signal to the reference signal to generate a laser control signal.

Abstract: A light-source holding member that holds semiconductor lasers along the sub-scanning direction is fixed to an attachment member at two points with first and second screws. An elastic member is interposed between the light-source holding member and the attachment member to urge the second screw upwards. The light-source holding member can be tilted with respect to the sub-scanning direction depending on the fastening force of the second screw. By adjusting the fastening force of the second screw, angles of light beams emitted from the semiconductor lasers are adjustable.

Abstract: The present invention provides a color image forming apparatus forming an image by using a plurality of image carriers, wherein at least one lens having identical optical characteristics and forming individual scanning optical systems which scan the individual image carriers with beams is formed by use of a plurality of cavities. When dividing the cavities into a plurality of groups in response to variations in the optical characteristics caused by cavity difference of the lenses formed with the plurality of cavities so that the relative differences in an optical parameters are within an allowable range, at least one lens of each scanning optical system is selected from the cavities of one of the plurality of groups.

Abstract: A laser beam scanning apparatus includes: a laser oscillating unit that outputs a laser beam; a laser beam scanning unit that scans and irradiates the laser beam in a main scanning direction on a photosensitive member; an error signal generating unit that monitors intensity of a laser beam and generates an error signal between output intensity of the laser oscillating unit and a reference value; a correction signal generating unit that generates a correction signal for correcting intensity of a laser beam along the main scanning direction to be constant; a correction signal converting unit that converts a correction signal into an adapted correction signal by attenuating the correction signal; and a laser control signal generating unit that holds, during the image formation period, a reference signal generated on the basis of the error signal and applies the adapted correction signal to the reference signal to generate a laser control signal for determining intensity of a laser beam outputted from the laser o

Abstract: A laser beam scanning apparatus according to the invention includes: a laser oscillating unit that outputs a laser beam; a laser beam scanning unit that performs scanning in a main scanning direction with a laser beam and irradiates the laser beam on a photosensitive member via an optical lens; an error signal generating unit that monitors, in a predetermined period, intensity of a laser beam outputted from the laser oscillating unit and generates an error signal of an error between output intensity of the laser oscillating unit and a predetermined output reference value; a correction signal generating unit that generates a correction signal for correcting output intensity of a laser beam according to a change in optical efficiency in the main scanning direction such that intensity of the laser beam in the main scanning direction on the photosensitive member is constant; and a laser control signal generating unit that holds, during the image formation period, a reference signal generated on the basis of the e

Abstract: A control unit for a copying machine is equipped with a first rotation speed detecting unit for detecting a first rotation speed as a rotation speed of a polygon mirror; a switching judging unit for judging whether the first rotation speed reaches a value equal to or higher than a first switching speed set in advance; and a driving control unit for causing a second motor to start driving of a photoconductive drum, while causing a first motor unit to stop driving of polygon mirror for a mirror stop period set in advance, in the case that the switching judging unit judges that the first rotation speed reaches a value equal to or higher than the first switching speed, and, after the mirror stop period is over, causes the first motor to restart driving of the polygon mirror.

Abstract: A videoconferencing system includes a camera, a microphone, and an interface module. The module is coupled a modem connected to a television network and is coupled to a television set and a set-top box. The module decodes encoded audio video signals received from the modem that are part of a videoconferencing session. The module also encodes audio and video signals received from the camera and the microphone and sends the encoded audio video signals to the modem to be part of the videoconferencing session. The module can selectively send decoded audio signals to the television set or can selectively send video received from the set-top box to the television display. In addition, the module can send compressed audio and video signals received from the microphone and camera to the set-top box for processing and delivery to the television display.

Abstract: To provide a mobile terminal device which can perform an operation reflecting the intention of a user when an event, such as the arrival of an incoming phone call or an email, occurs while a television broadcast is being displayed, and which can also improve the operability.

Abstract: A communication system converting multimedia data of enhanced services into video stream for transmission to a user's handset communication device. The system includes a database storing therein users profile data; a mailbox system storing therein users mailboxes and capable of storing messages in audio and video formats; an application server managing data storage and retrieval from the database and storage; a multimedia to video converter, receiving multimedia data and converting it into a video streams corresponding to a pre-selected template; an access server providing the multimedia data to the multimedia to video converter and receiving therefrom the video stream, and transmitting the video stream onto a telecommunication network.

Abstract: A video device having a screen for displaying an image thereon scales up and down the image by actions, such as the moving of the device or the moving of the face of a user to the device. An image storage unit stores the image to be displayed. A movement detector detects movement of the video device. A position detector detects a position of a user. A pixel-converting display unit reads the image from the image storage unit, clip, scale up, and scale down a portion of the image based on the movement detected by the movement detector and the position detected by the position detector, and display the portion of the image.

Abstract: A method and apparatus for processing a digital image in a Mobile Equipment operating in a telecommunications network. The digital image includes a frame of data having a plurality of pixels with data. The data of each pixel has a luminance value and a chrominance value. The method begins by obtaining chrominance value for a specified pixel of the digital image. Responsive to the obtained chrominance value, a strength to filter the specified pixel of digital image is determined. The specified pixel is then selectively and adaptively filtered at the determined strength of the filter. Preferably, chrominance values and luminance values for the specified pixel and an adjacent pixel is determined. A threshold for a variation in the range between a highest chrominance level and a lowest chrominance level of the specified pixel and the adjacent pixel is then set. The variation for the specified pixel is determined, and responsive to the value of the variation, low-pass filtering of the specified pixel is applied.

Abstract: Disclosed is an intelligent access authentication system and method. The intelligent access authentication system includes a door lock that can be locked and released in a predetermined manner, a door phone for communicating with the visitor; a smart communicator which configures access approval levels of expected visitors and access authentication information for each access approval level, communicates with the visitor, and controls the door lock, and a home network server which stores the access approval levels of expected visitors and access authentication information for each access approval level received from the smart communicator, checks the access approval level of the visitor attempting to release the door lock by referring to previously stored information, and transmits a door lock operating command to the door lock according to the access approval level of the visitor.

Abstract: An imaging acquisition system that generates a picture depth from an auto focus curve generated from picture of a three dimensional spatial scene is described. The auto focus curve comprises a step edge. The system generates the depth based on the step edge and a reference auto focus normalization curve.

Abstract: An image processing system for stereoscopic view using a parallax barrier method includes an image information generating unit that generates image information of a lower resolution than an actual resolution for each of a first to an nth viewpoints. A receiving unit reconfigures the image information, which is stored in a buffer. A combining/transmitting unit generates an image signal for displaying as one stereoscopic image by combining the image information transferred to a unique area of a screen buffer an transmits the image signal to a liquid crystal panel. A transmission speed of the generated signal transmitting unit is set to be at least n times faster than that of the combining/transmitting unit.

Abstract: It is an object of the present invention to make it possible to stably and correctly measure a changing amount of a beam position when a beam displacement is measured prior to a recording operation performed by an electron beam recording apparatus. A measuring device for measuring a displacement of an electron beam prior to a recording operation, comprises: a knife edge disposed at an irradiating position of the beam spot; detecting means (Farady cup or the like) for detecting an electron beam irradiating through the knife edge; filter means (high frequency cut filter or the like) for removing a changing frequency component of measurement subject from an output of the detecting means; and control means for controlling a reference position of the electron beam in accordance with an output from the filter means, in a manner such that the center of the beam spot will be at the front end position of the knife edge.

Abstract: A system for mounting a camera 46 within a vehicle is illustrated. The camera 46 may be positioned behind an IR transmissible window 82 within the vehicle and within a housing 36 within the vehicle. The camera 46 is thus placed between the windshield 20 and the housing 36 so that the field of view 60 of the camera is through the window 82. A notch shape 78 or hole 26 may be formed within the windshield so that the IR transmissive portion may be inserted therein.

Abstract: Active 3D triangulation-based imaging comprises steps of: temporally modulating a radiant flux of a lighting unit beam by a binary modulation signal (ms); illuminating a scene (S), which is illuminated by an ambient lighting (AL), by said modulated lighting unit beam (mlub); splitting a ray (ir) imaging a scene point (SP) into two separate imaging rays (ir1, ir2); said first separate imaging ray (ir1) forming an image in a first image sensor (is1); temporally modulating a radiant flux of the second separate imaging ray (ir2) by the modulation signal (ms) and said modulated second separate imaging ray (ir2m) forming an image in a second image sensor (is2); normalizing a first scene image being an image of all points of the scene (S) formed in the first sensor (is1) and a second scene image formed in the second sensor (is2); and subtracting the first normalized scene image from the second normalized scene image.

Abstract: A license plate light comprises: a box; at least one light-emitting device mounted inside said box; a video camera mounted inside said box; and a transparent cover coupled with said box, whereby said at least one light-emitting device and said video camera integrate with each other and share a wiring path to facilitate vehicle's wiring.

Abstract: An imaging system for generating landmark correlated images taken from a rail vehicle including a camera mounted proximate an end of a rail vehicle for imaging an environment in a vicinity proximate the end of the rail vehicle, the camera transmitting imaging data indicative of images acquired, and a communication system for transmitting the image data from the camera to at least one of a user on-board the rail vehicle, a storage device, and to a user located remote the rail vehicle. The image data provides information indicative of at least one of a track condition behind the rail vehicle and a direction in which the rail vehicle is moving.

Abstract: A method and corresponding systems for using remote control to realize standard colors on displays. Two examples of remote controls are provided, one with color sensors and the other with white LEDs. For each example a calibration pattern is displayed which allows a user to calibrate the display color conveniently. For using the remote control with color sensors, an algorithm for the display to adjust the input RGB color, based on the color measurements from the remote control is provided. This allows the display output RGB color so that the display shows the same color as the input RGB signal is sent to standard color display.

Abstract: An image processing system may include an imaging device for capturing an image and an image processing apparatus for processing the image. The imaging device may include an imaging unit for capturing the image, a first recording unit for recording information relating to the image, the information being associated with the image, and a first transmission control unit for controlling transmission of the image to the image processing apparatus. The image processing apparatus may include a reception control unit for controlling reception of the image transmitted from the imaging device, a feature extracting unit for extracting a feature of the received image, a second recording unit for recording the feature, extracted from the image, the feature being associated with the image, and a second transmission control unit for controlling transmission of the feature to the imaging device.

Abstract: A miniaturized camera device suitable for inclusion in another device is disclosed. The camera device enables a user to manually adjust a focal distance of a lens barrel. Therefore, it is possible to miniaturize the camera device by omitting an actuator of the camera device.

Abstract: A digital camera comprising: an imaging unit operable to generate an image by photographing an object; a receiving unit operable to receive information relating to image processing from one or more transmission devices; a judging unit operable to judge whether the image is to be output or not, based on the information received by the receiving unit; and an output unit operable to, in accordance with the judgment made by the judging unit, output the image to a memory, or discard the image, where the memory is readable by the digital camera or an external device.

Abstract: A method for absolute color image reproduction comprises an image capture device, wherein the image capture device captures scene image data and associated scene viewing environment data. The scene viewing environment data are transformed into color appearance model profile (CAMP) viewing parameters. The scene image data and the CAMP viewing parameters are input into a color management system. The color management system utilizes the scene image data and the CAMP viewing parameters to output from an image output device a color reproduced image.

Abstract: Embodiments include methods of image processing in which pixels of an image are classified according to color. An exposure control operation is performed according to the pixel classifications. In one example, the pixels are classified according to a predetermined segmentation of a color space, based on predicted sensor responses. In another example, the pixels are classified according to a color selected from among at least two colors.

Abstract: A front-end signal processing circuit that stabilizes a black level of an output signal of an image sensor in a prescribed set level, without being influenced by a DC offset component of circuit elements making up a feedback loop, and an imaging device including such the front-end signal processing circuit, are provided. The front-end signal processing circuit includes a feedback loop made up of a luminance detecting/digitizing section and a black level clamp section, and clamps a black level of an output signal of an image sensor to a prescribed set level. The front-end signal processing circuit further includes an offset correction section. The offset correction section stores an offset value being a difference between a signal level of an OB region of the image sensor and the prescribed level, subtracts the offset value from a digital luminance signal corresponding to an effective pixel region of the image sensor, and outputs the obtained signal.

Abstract: In one aspect, a method related to data management includes but is not limited to accepting input for designation of at least a portion of a data stream for retention at high resolution, wherein the data stream represents video and/or audio information. In addition, other method aspects are described in the claims, drawings, and/or text forming a part of the present application. Related systems are also disclosed.

Abstract: A video data transmitting device 30 manages storage areas 31a, 31b of a memory card 31 by equally segmenting these storage areas into partitions whose capacities are equal to each other. Image data forming video data is stored piece by piece in each partition in the sequence from a head partition toward a tail partition. Then, the image data is overwritten sequentially from the oldest, whereby the storage areas 31a, 31b are always temporarily stored with N-pieces of image data starting from a point of the time when recording the image data and ending to a point of time tracing back for a predetermined period of time.

Abstract: An image-pickup apparatus includes: an image-pickup device for converting light into an electric signal and outputting a first image data; a transmitting unit for successively transmitting the first image data to an apparatus in the exterior of the image-pickup apparatus; and a storage unit for storing a second image data extracted from the first image data per frame unit under a predetermined condition.

Abstract: An improved method for processing and storing files in a digital camera is provided which processes multiple image formats and styles simultaneously or sequentially on the camera. The method enables the user to automatically process and store on the camera a small image file sized for sending electronically while simultaneously or sequentially processing and storing on the camera a high quality high resolution image file thereby minimizing post-processing.

Abstract: Systems and methods for providing video of a live venue event to a hand held device. A hand held device wirelessly receives data containing two or more video streams conveying live video venue event content, the venue event content including moving images of action occurring at the live venue event held at a venue. A cellular communications network (e.g., CDMA, GSM, GPRS, TDMA, 3G, etc.) is provided through which the data containing the two or more video streams is transmitted to the hand held device for display via a display associated with the hand held device.

Abstract: When picking up an image including an object, an imaging apparatus displays the picked-up image on a display unit, and stores the image in a first storage unit. Then, the imaging apparatus performs such control as to extract the contour of an object image in the image stored in the first storage unit, and to display the contour together with the object image on the display unit. A first correction unit then corrects the object image, from which the contour is extracted, into a circular shape, and the corrected object image is stored in a second storage unit.

Abstract: A color filter array includes a plurality of filters, each having one of a plurality of types of spectral sensitivity and being disposed at the location of a corresponding one of a plurality of pixels. The filters of a predetermined type selected from among the plurality of types are arranged at the locations of the pixels in a checkered pattern, and the filters of some or all of the other types are randomly arranged at the pixel locations at which the filters of the predetermined type are not present.

Abstract: A digital image system identifies defective pixels of a digital image sensor based on sensor values of pixels positioned in at least two dimensions on the digital image sensor. The exemplary imaging system includes a buffer for receiving sensor values that are each associated with a pixel in the digital image sensor and electronics for comparing the sensor value associated with a test pixel to the sensor values of pixels positioned in at least two dimensions on the digital image sensor. The electronics determines whether the test pixel is a defective pixel based on the comparison.

Abstract: The present invention discloses an image unsharpness test method for a camera device, wherein firstly, during the focusing stage of an electronic camera device, the image with the highest sharpness is selected to be a contrast image; next, the contrast image is compared with a captured image to obtain the sharpness difference between the contrast image and the captured image; if the difference is too great, the captured image is determined to be unsharp; vice versa, if the difference is very small, the captured image is determined to be sharp. Thereby, the image unsharpness test method for a camera device of the present invention not only can determine whether a captured is sharp enough but also can reduce the photographic errors and promote photographic efficiency.

Abstract: A CMOS-based sensor apparatus comprises an array of sensor cells that are interconnected by a first set of vertical driver lines to a selective driver facility and by a second set of horizontal sensing lines to a sensing facility for sensing respectively sensed amounts of radiation. In particular, the sensor cells through being appropriately spaced in at least either row or column direction, comprise a redundancy facility that is selectively activatable for isolating an interconnect short on the basis of externally applied control actuation.

Abstract: An embodiment generally relates to a method of operating a sensor array. The method includes adjusting the reverse bias voltage for the photodiode of at least one pixel in the sensor array based on previous output values of one or more pixels in the array, algorithms, and/or user inputs.

Abstract: An active pixel sensor includes a photosensitive device and a dynamic comparator that when coupled with a voltage ramp will form a digital pixel sensor with pulse width modulated digital output. A number of switches are included in the digital pixel sensor to configure the input of the dynamic comparator to couple with the photosensitive device or the voltage ramp such that the dynamic comparator is free from input transistor mismatch problem, as both input use the same input transistor. A cascade of dynamic comparator is disclosed in this invention, such as to improve the sensitivity and conversion speed of the digital pixel sensor. There are a number of switches that connect and isolate the digital pixel sensor from the bit line, which is shared by a plurality of digital pixel sensors in the sensor array. Photosensitive devices in close proximity can share the dynamic comparator by a number of selection switches, such that each photosensitive device can be read out in a time shared manner.