Canon Patents

Canon Inc. manufactures office appliances, including multifunction devices, copying machines, laser printers, and inkjet printers. It also develops imaging systems, such as digital cameras and digital video camcorders, as well as lenses and photographic accessories. Its third-largest product segment is semiconductor lithography equipment.

Canon Patents by Type

  • Canon Patents Granted: Canon patents that have been granted by the United States Patent and Trademark Office (USPTO).
  • Canon Patent Applications: Canon patent applications that are pending before the United States Patent and Trademark Office (USPTO).
  • Patent number: 9851628
    Abstract: The light source control apparatus controls drive of multiple light sources included in a light source unit to be used in a state where the multiple light sources are lit. The multiple light sources each include multiple light-emitting elements. The light source control apparatus includes an acquirer acquiring temporal information relating to a temporal change of each of the light sources, an estimator acquiring an estimated lifetime of each of the multiple light sources by using the temporal information, and a controller decreasing, when the multiple light sources include a first light source whose estimated lifetime is shorter than a target lifetime set for the light source unit, a light emission amount of the first light source.
    Type: Grant
    Filed: December 8, 2015
    Date of Patent: December 26, 2017
    Assignee: CANON KABUSHIKI KAISHA
    Inventor: Kazuyuki Kuratomi
  • Patent number: 9854149
    Abstract: An image capture apparatus derives a frequency distribution of subject distances from captured images, selects a plurality of subject distances based on peaks in the frequency of appearance, and acquires a plurality of captured images whose focus distances are the plurality of selected subject distances, enabling an image focused on a plurality of subjects at different distances to be efficiently obtained.
    Type: Grant
    Filed: May 21, 2014
    Date of Patent: December 26, 2017
    Assignee: Canon Kabushiki Kaisha
    Inventor: Ichiro Matsuyama
  • Patent number: 9854204
    Abstract: A communication system includes, a first projection unit configured to project an image on a first projection surface, an imaging unit configured to capture an image of an object positioned in front of the first projection surface, a determination unit configured to determine a processing parameter for image processing to be performed on the object image captured by the imaging unit, based on a distance between the first projection surface and the object, a processing unit configured to perform the image processing on the object image based on the processing parameter determined by the determination unit, and a second projection unit configured to project the object image having undergone the image processing on a second projection surface.
    Type: Grant
    Filed: July 20, 2016
    Date of Patent: December 26, 2017
    Assignee: Canon Kabushiki Kaisha
    Inventor: Hirochika Sato
  • Patent number: 9851552
    Abstract: Provided is the image display apparatus including: the light source which emits excitation light; a phosphor which converts the excitation light into fluorescent light and rotates; an image display element which modulates the fluorescent light; and a control unit which controls the image display element so that the image display element repeats first displaying based on an image signal and second displaying which is darker than the first displaying, at a predetermined frequency, wherein when a higher frequency of the predetermined frequency and a rotation frequency of the phosphor is represented by Fhigh, and a lower frequency thereof is represented by |Fhigh/2?Flow|<15.
    Type: Grant
    Filed: May 26, 2016
    Date of Patent: December 26, 2017
    Assignee: CANON KABUSHIKI KAISHA
    Inventor: Ryota Kadowaki
  • Patent number: 9851685
    Abstract: An image forming apparatus cartridge includes a casing, a developer roller having an axis L1, and a coupling member having an axis L2. The coupling member includes a first end portion operatively connected to the developer roller and a second end portion, with the second end portion including at least one projection that is open to the axis L2 and an outer surface that faces away from the first end portion. For at least part of the outer surface, a maximum distance from the axis L2 to the outer surface along a line perpendicular to the axis L2 decreases as the distance along the axis L2 from the first end portion increases.
    Type: Grant
    Filed: December 13, 2016
    Date of Patent: December 26, 2017
    Assignee: Canon Kabushiki Kaisha
    Inventors: Masanari Morioka, Shigeo Miyabe, Takahito Ueno
  • Patent number: 9849592
    Abstract: A force detector provided between a robot arm and a robot hand detects forces Fx, Fy, and Fz. A robot controller performs a filtering process for the forces Fx and Fy by a first low-pass filter of a cutoff frequency Fc1, moves the robot hand so that the forces Fx and Fy become smaller, corrects a trajectory of the robot arm, performs a filtering process for the force Fz by a second low-pass filter of a cutoff frequency Fc2 having a frequency higher than the cutoff frequency Fc1, performs a threshold value determination for the force Fz, and stops the movement of the robot hand when the force Fz exceeds a threshold value during a fitting operation.
    Type: Grant
    Filed: September 14, 2015
    Date of Patent: December 26, 2017
    Assignee: CANON KABUSHIKI KAISHA
    Inventor: Toshiya Takahashi
  • Patent number: 9851648
    Abstract: The present invention provides an electrophotographic photosensitive member that allows positive ghost to be reduced even in repeated use. The electrophotographic photosensitive member of the present invention is an electrophotographic photosensitive member wherein an undercoat layer contains a polymerization product of a composition including a compound represented by the following formula (1).
    Type: Grant
    Filed: May 31, 2016
    Date of Patent: December 26, 2017
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Masashi Nishi, Kunihiko Sekido, Michiyo Sekiya, Kei Tagami, Isao Kawata, Yuto Ito, Akihito Saitoh
  • Patent number: 9852269
    Abstract: A diagnosis support system which performs computer processing of data obtained from an object to be examined and presents the obtained diagnostic information is disclosed. The diagnosis support apparatus includes a diagnosis support processing unit which processes data obtained from the object to extract diagnosis support information, a storage unit which stores the examination history of the object, and a changing unit which changes a processing method in the diagnosis support processing unit in accordance with the examination history of the object stored in the storage unit. In at least one embodiment, diagnosis processing is executed to obtain medical diagnostic information by performing computer processing of data obtained from the object, and the processing method for diagnosis support processing is changed in accordance with the examination history of the object.
    Type: Grant
    Filed: September 9, 2008
    Date of Patent: December 26, 2017
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Yukio Sakagawa, Hiroshi Imamura, Akihiro Katayama, Hiroyuki Shinbata
  • Patent number: 9854178
    Abstract: An image pickup apparatus which is capable of calculating light amount changing characteristics of an object with high accuracy and enlarging a dynamic range during photometric measurement. An image pickup device of the image pickup apparatus has a plurality of unit pixel areas arranged in a two-dimensional matrix, and a first pixel and a second pixel are included in each of the unit pixel areas. When a flicker detection mode in which an image signal for use in calculating the light amount changing characteristics of the object is obtained is selected, a first accumulation period and a second accumulation period for the first pixels and the second pixels, respectively, are set such that a first barycentric position which is a barycentric position of the first accumulation period and a second barycentric position which is a barycentric position of the second accumulation period correspond to each other.
    Type: Grant
    Filed: May 28, 2015
    Date of Patent: December 26, 2017
    Assignee: Canon Kabushiki Kaisha
    Inventor: Hidenori Taniguchi
  • Patent number: 9854166
    Abstract: An image pickup apparatus includes an image pickup unit that picks up an object to generate moving image data. A detection unit detects one of a shooting direction of the image pickup unit and an attitude of the image pickup apparatus. A storage unit temporarily stores moving image data generated by the image pickup unit. An instruction unit instructs operation to photograph a still image. A recording unit reads out the moving image data traced back by a predetermined time period from a time point when still image photographing is instructed by the instruction unit, from the storage unit, and records the read-out moving image data in a recording medium. The recording unit records, relatedly with the moving image data, information concerning the detected one of the shooting direction and the attitude of the image pickup apparatus.
    Type: Grant
    Filed: February 9, 2015
    Date of Patent: December 26, 2017
    Assignee: CANON KABUSHIKI KAISHA
    Inventor: Jumpei Kitamura
  • Patent number: 9854134
    Abstract: When performing color conversion using a color conversion table which has signal values of an output color space corresponding to grid points dividing an input color space into a plurality of unit cubes, a quadrant to which an input signal belongs is determined, in a chromaticity plane perpendicular to a lightness axis of the input color space. A unit cube to which the input signal belongs is detected in the plurality of unit cubes. The detected unit cube is divided into a plurality of polyhedrons for interpolation operation by a segmentation method corresponding to the determined quadrant. The divide of the detected unit cube is performed along a direction of a diagonal line, which passes through an origin of the chromaticity plane, in a part of the plurality of unit cubes in accordance with the segmentation method.
    Type: Grant
    Filed: April 8, 2015
    Date of Patent: December 26, 2017
    Assignee: CANON KABUSHIKI KAISHA
    Inventor: Susumu Shimbaru
  • Patent number: 9853576
    Abstract: Provided is a control apparatus of a vibration-type actuator for generating an elliptical motion of contact portions by a common alternating current including a frequency determining unit for setting a frequency of the alternating current. The frequency determining unit sets the frequency of the alternating current for changing an ellipticity of the elliptical motion, within a frequency range such that ellipticity changing frequency ranges set for the vibrators are overlapped, and the ellipticity changing frequency ranges are set for the vibrators as frequency ranges between an upper limit and a lower limit, such that the lower limit is a maximum resonant frequency at a time of changing the ellipticity, and the upper limit is larger than the lower limit and is a maximum frequency for the relative movement of the driving member.
    Type: Grant
    Filed: July 28, 2016
    Date of Patent: December 26, 2017
    Assignee: CANON KABUSHIKI KAISHA
    Inventor: Shinya Kudo
  • Patent number: 9851670
    Abstract: When ending image forming, a state is realized where charging by a charging roller is stopped (charging bias off) and also applying DC voltage at a developing device is stopped (developing bias DC off). In this state, AC voltage is applied to the developing device (developing bias AC on), thereby adhering toner to the surface of a photosensitive drum and forming interposing toner. Driving of the photosensitive drum and an intermediate transfer belt is then stopped in the state with the interposing toner interposed between the photosensitive drum and intermediate transfer belt.
    Type: Grant
    Filed: August 23, 2016
    Date of Patent: December 26, 2017
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Yasushi Takeuchi, Takayuki Ganko, Koji Arimura, Yusuke Ishida, Takanori Iida, Toshiyuki Yamada, Daisuke Makino, Taisuke Matsuura
  • Patent number: 9853207
    Abstract: A magnetoresistance effect element of the present invention includes: a barrier layer; a reference layer formed on one surface of the barrier layer; a free layer formed on the other surface of the barrier layer; and a pinned layer placed on the opposite side of the reference layer from the barrier layer. The pinned layer includes a structure obtained by stacking Ni, Co, Pt, Co, Ru, Co, Pt, Co, and Ni layers in this order.
    Type: Grant
    Filed: September 7, 2016
    Date of Patent: December 26, 2017
    Assignee: CANON ANELVA CORPORATION
    Inventors: Takuya Seino, Kazumasa Nishimura, Toshikazu Irisawa, Saki Shibuichi
  • Patent number: 9854110
    Abstract: In a network environment, an e-mail to which an image obtained by a scanner (image obtaining device) is attached is stored in a folder on a Web mail service, not via a terminal. Therefore an application is prepared such that management and communication between a terminal, an MFP (scanner) and an e-mail service are executable via themselves. As a result, the e-mail to which the image obtained by the scanner is attached can be stored on the Web mail service, not via a terminal only by operating the application without setting up a driver of the scanner MFP to the terminal.
    Type: Grant
    Filed: June 15, 2015
    Date of Patent: December 26, 2017
    Assignee: CANON KABUSHIKI KAISHA
    Inventor: Asuka Kanno
  • Patent number: 9848769
    Abstract: Provided is an ophthalmic diagnosis support apparatus which enables an operator to easily acquire a tomographic image suitable for detailed observation of a candidate lesion without spending time and effort to search for the candidate lesion. The ophthalmic diagnosis support apparatus includes an acquiring unit for acquiring a wide-range image of a fundus, a candidate lesion detection unit for detecting the candidate lesion on the fundus by analyzing the wide-range image, a calculating unit for determining a degree of abnormality of the candidate lesion based on a result of the detection of the candidate lesion, and an acquiring position setting unit for setting an acquiring position of the tomographic image of the fundus based on the degree of abnormality of the candidate lesion.
    Type: Grant
    Filed: July 25, 2012
    Date of Patent: December 26, 2017
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kazuhiro Miyasa, Hiroshi Imamura
  • Patent number: 9854169
    Abstract: An image processing apparatus includes a determination unit configured to determine an optical transfer function based on shooting condition information, an acquisition unit configured to acquire shake information, a control unit configured to select a method of image restoration based on the optical transfer function and the shake information, and an image restoration unit configured to perform the image restoration based on the selected method of the image restoration.
    Type: Grant
    Filed: May 27, 2015
    Date of Patent: December 26, 2017
    Assignee: CANON KABUSHIKI KAISHA
    Inventor: Takeshi Watanabe
  • Patent number: 9851681
    Abstract: An image forming apparatus sequentially transfers toner images formed on a plurality of photosensitive drums onto an intermediate transfer member or a transfer material to form an image. The image forming apparatus includes an intermediate transfer belt provided with electrical conductivity, and a power supply for applying a voltage to a secondary transfer roller to pass a current from the secondary transfer roller to the plurality of photosensitive drums via the intermediate transfer belt, thus primarily transferring the toner images from the plurality of photosensitive drums onto the intermediate transfer belt.
    Type: Grant
    Filed: February 7, 2017
    Date of Patent: December 26, 2017
    Assignee: Canon Kabushiki Kaisha
    Inventors: Yoshikuni Ito, Yasuhiro Horiguchi, Takayuki Tanaka, Kenji Karashima, Satoshi Tsuruya, Shinichi Nishida, Takeshi Fujino
  • Patent number: 9851672
    Abstract: An image forming apparatus forms a measurement image, controls a sensor to measure light reflected from a first area of an intermediate transfer member, controls the sensor to measure light reflected from a measurement image, and controls the sensor to measure light reflected from a second area of the intermediate transfer member. The apparatus determines first information relating to a tendency of the measurement results of the first area, determines second information relating to a tendency of the measurement results of the second area, and selects a computational equation for computing a correction value of a measurement result of the measurement image. The apparatus generates a correction value. The apparatus adjusts an image forming condition.
    Type: Grant
    Filed: September 27, 2016
    Date of Patent: December 26, 2017
    Assignee: Canon Kabushiki Kaisha
    Inventor: Isami Itoh
  • Patent number: 9852325
    Abstract: Images of a layout target for a template are acquired. The plurality of acquired images are edited using editing processing corresponding to a category corresponding to a layout. The edited images are arranged on the template corresponding to the category.
    Type: Grant
    Filed: October 28, 2015
    Date of Patent: December 26, 2017
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takeru Sasaki, Hiroyasu Kunieda, Yusuke Hashii, Hiroyuki Sakai, Naoki Sumi, Kiyoshi Umeda
  • Patent number: 9853963
    Abstract: An authorization token verification request including the authorization token is received from an application server having received a processing request along with the authorization token from the client, and, in a case where the authorization token is verified successfully on basis of the received authorization token and the authorization token information, the local user information included in the authorization token information is transmitted to the application server.
    Type: Grant
    Filed: November 30, 2016
    Date of Patent: December 26, 2017
    Assignee: Canon Kabushiki Kaisha
    Inventor: Kensuke Hirata
  • Patent number: 9851675
    Abstract: An object is to provide an image forming apparatus capable of switching, with a simple configuration, the positional relation between a supporting member and a feeding member and the positional relation between a developing member and a photosensitive member. A separation cam 100 rotated by the driving force of a motor M and a slider 101 moving in accordance with the rotation of the separation cam 100 are configured to switch the positional relation between a lifting plate 13 and a feeding roller 3 and the positional relation between a developing roller 103b and a photosensitive drum 8.
    Type: Grant
    Filed: March 21, 2016
    Date of Patent: December 26, 2017
    Assignee: Canon Kabushiki Kaisha
    Inventors: Masatoshi Takiguchi, Koji Fujinaka
  • Patent number: 9854133
    Abstract: Multiple measurement images are formed in a test chart. Reflected light from the test patterns is received by light receiving elements of a color sensor for an accumulation time that is determined for the respective test patterns. The lengths of the test patterns in the conveyance direction of the test chart are determined according to the lengths of the accumulation times for the respective test patterns.
    Type: Grant
    Filed: February 3, 2014
    Date of Patent: December 26, 2017
    Assignee: CANON KABUSHIKI KAISHA
    Inventor: Taichi Takemura
  • Patent number: 9854118
    Abstract: A transmission light source unit includes a first light source portion including: a first light source; and a first light guide that shapes light emitted by the first light source into a line and emits the light toward a conveyance path of a paper sheet. An image sensor unit includes: a second light source portion that emits light toward the conveyance path of the paper sheet; and an image sensor that detects the light emitted by the first light source portion and transmitted through the paper sheet and the light emitted by the second light source portion and reflected by the paper sheet. A first light diffusing surface of the first light guide is provided with at least one of concave portions and convex portions including inclined surfaces and inclined relative to a normal line of the first light emission surface.
    Type: Grant
    Filed: August 1, 2016
    Date of Patent: December 26, 2017
    Assignee: CANON COMPONENTS, INC.
    Inventor: Hidemasa Yoshida
  • Patent number: 9852879
    Abstract: An ion beam etching method includes applying a positive voltage for extracting ions into a vacuum container to a first electrode, under a first condition where irradiation of a substrate with an ion beam is blocked off by a shutter, generating plasma in an internal space under the first condition, forming the ion beam by forming, under the first condition, a second condition where a positive voltage is applied to the first electrode and a negative voltage is applied to a second electrode, and moving the shutter and processing the substrate by irradiating the substrate with the ion beam.
    Type: Grant
    Filed: June 26, 2015
    Date of Patent: December 26, 2017
    Assignee: CANON ANELVA CORPORATION
    Inventors: Yasushi Kamiya, Hiroshi Akasaka, Yuta Konno
  • Patent number: 9849601
    Abstract: A cutting apparatus comprising: a cutting unit including a first blade member and a second blade member that cooperates with the first blade member in cutting an object, configured to cut the object by relatively moving the object and at least one of the first blade member and the second blade member to each other to cut the object; and a changing unit configured to change a pressing force between the first blade member and the second blade member during an operation of cutting the object; wherein the changing unit sets the pressing force during the initial cutting operation from a time when cutting of the object is started until the object has been cut by a predetermined length higher than the pressing force during the subsequent cutting operation.
    Type: Grant
    Filed: September 8, 2015
    Date of Patent: December 26, 2017
    Assignee: Canon Kabushiki Kaisha
    Inventors: Daiki Anayama, Takakazu Ohashi, Ryohei Maruyama
  • Patent number: 9854116
    Abstract: An image processing apparatus includes a registration unit configured to register a destination of file transmission, a selection unit configured to select whether to require a user to input, at time of transmission, authentication information required for the file transmission for each destination registered by the registration unit, a transfer unit configured to transfer received image data, and a control unit configured to prevent a destination for which it is selected to require the user to input the authentication information at time of transmission from being set as a transfer destination of the image data.
    Type: Grant
    Filed: April 21, 2015
    Date of Patent: December 26, 2017
    Assignee: Canon Kabushiki Kaisha
    Inventor: Daiki Tachi
  • Patent number: 9854241
    Abstract: Disclosed is method of decoding, from a video bitstream, a transform unit containing at least one chroma residual coefficient array associated with a single chroma channel. The method determines a size of the transform unit related to a hierarchical level of the transform unit in a corresponding coding unit, and identifies a maximum number of inverse transforms according to the determined size. The method decodes from the video bitstream the at least one chroma residual coefficient array using the identified maximum number of transforms, selects an inverse transform for the decoded chroma residual coefficient arrays, the inverse transform being selected from a predetermined set of inverse transforms, and applies the selected inverse transform to each of the chroma residual coefficient arrays to decode chroma residual samples for the chroma channel of the transform unit. A similar encoding method is also disclosed.
    Type: Grant
    Filed: September 27, 2013
    Date of Patent: December 26, 2017
    Assignee: Canon Kabushiki Kaisha
    Inventors: Christopher James Rosewarne, Volodymyr Kolesnikov
  • Patent number: 9851655
    Abstract: An image forming apparatus, including: a temperature detecting element provided on an opposite side of a first and a second light sources with respect to a deflection unit in an optical box and provided between a first lens and a second lens, which a first and a second light beams emitted from the first and second light sources and deflected by a rotary polygon mirror enter first, respectively, the temperature detecting element being configured to detect an internal temperature of the optical box; and a control unit configured to control lighting-up timings based on image data of the first and second light sources based on a detection result of the temperature detecting element so that misregistration between a first toner image and a second toner image transferred from the first and second photosensitive members onto the sheet is suppressed.
    Type: Grant
    Filed: October 16, 2015
    Date of Patent: December 26, 2017
    Assignee: CANON KABUSHIKI KAISHA
    Inventor: Kazumi Sato
  • Patent number: 9853821
    Abstract: A CPU of an image forming apparatus controls, according to establishment of a sleep change condition, a MAC/PHY in a network unit to change the image forming apparatus from a link-up state to a link-down state. The CPU controls the image forming apparatus to change from a normal mode to a deep sleep mode. A CPU of the network unit controls, according to the change of the image forming apparatus from the normal mode to the deep sleep mode, the MAC/PHY to change the link-down state of the image forming apparatus to the link-upstate. The CPU controls the MAC/PHY to transmit a MAC address necessary for causing the image forming apparatus to participate in VLAN to a switching hub.
    Type: Grant
    Filed: November 16, 2011
    Date of Patent: December 26, 2017
    Assignee: CANON KABUSHIKI KAISHA
    Inventor: Hiroki Ito
  • Patent number: 9854056
    Abstract: An instruction to delete a first managing tenant among managing tenants in a system is accepted. Information included in management information of the first managing tenant and customer information unique to a customer managed by the first managing tenant is held as transfer information of the first managing tenant, and is managed using an access authority assigned to information of the customer. The held transfer information of the first managing tenant is transferred to the second management tenant when the second management tenant is determined to be a destination of the transfer from the first managing tenant.
    Type: Grant
    Filed: April 15, 2015
    Date of Patent: December 26, 2017
    Assignee: CANON KABUSHIKI KAISHA
    Inventor: Kazunori Kato
  • Patent number: 9852343
    Abstract: An imaging apparatus includes an imaging unit, a position detection unit configured to detect position information of the imaging apparatus, an acquisition unit configured to acquire candidate object information indicating an object which a photographer may desire to capture an image thereof within a search range of position information based on the position information detected by the position detection unit, and a presenting unit configured to present the candidate object information to the photographer.
    Type: Grant
    Filed: December 1, 2015
    Date of Patent: December 26, 2017
    Assignee: Canon Kabushiki Kaisha
    Inventor: Tsuyoshi Kuroki
  • Patent number: 9852760
    Abstract: An image recording apparatus that can communicate with an external apparatus includes a recording unit, a completion unit, a first input unit, and a transmission unit. The recording unit records movie data on at least one recording medium. The completion unit completes a movie file based on recorded movie data. The first input unit receives a predetermined instruction for transmitting at least part of movie data, recorded by the recording unit, to the external apparatus. The transmission unit transmits, via the communication interface, at least one of movie files completed by the completion unit, based on the predetermined instruction. Where the first input unit receives the predetermined instruction while the recording unit is recording the movie data, the completion unit completes a recorded part of the movie data being recorded, as a movie file, and the transmission unit automatically transmits the completed movie file via the communication interface.
    Type: Grant
    Filed: August 5, 2016
    Date of Patent: December 26, 2017
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hiroyuki Hasegawa, Tomohiro Sekiguchi
  • Patent number: 9851934
    Abstract: A printing apparatus includes a generation unit that generates a print job related to an increased portion of the number of prints in a case where the number of prints of a print job under printing is increased, and an addition unit that adds the print job generated by the generation unit to a position, from which a print job is taken and processed last, in a print standby queue where print jobs are processed in a sequential order, in order to minimize an influence on print end times of print jobs that are standing by in the printing apparatus.
    Type: Grant
    Filed: April 19, 2016
    Date of Patent: December 26, 2017
    Assignee: CANON KABUSHIKI KAISHA
    Inventor: Aya Ito
  • Patent number: 9851646
    Abstract: Provided is an electrophotographic apparatus, including an electrophotographic photosensitive member, a charging unit arranged in a non-abutment manner with respect to the electrophotographic photosensitive member, a cleaning unit or a developing unit arranged in abutment against the electrophotographic photosensitive member, and a transferring unit.
    Type: Grant
    Filed: February 8, 2017
    Date of Patent: December 26, 2017
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Hiroyuki Tomono, Daisuke Miura, Takashi Anezaki, Yota Ito, Harunobu Ogaki
  • Patent number: 9851680
    Abstract: A power supply device includes first and second transformers, a first power source configured to output a first DC voltage from the first transformer, a second power source configured to output a second DC voltage from the second transformer, a first winding on a primary side of the first transformer, an auxiliary winding which is wound in the same winding direction as the first winding, and a voltage generator configured to be connected to the auxiliary winding and to generate a power supply voltage for driving a first controller of the first power source and a second controller of the second power source. When an AC voltage drops, control is performed such that the second controller stops prior to the first controller.
    Type: Grant
    Filed: June 15, 2016
    Date of Patent: December 26, 2017
    Assignee: Canon Kabushiki Kaisha
    Inventors: Junji Suzuki, Junichi Kubota
  • Patent number: 9854153
    Abstract: An imaging apparatus receive light fluxes passing through and incident on different pupil regions of an imaging optical system and generates at least image data of one pair of subject images. Imaging surface correction information regarding a manufacturing error or optical characteristics of design of an imaging lens is transmitted from a lens control unit of the imaging lens to a system control unit of a camera body, and then the system control unit receives the imaging surface correction information. The system control unit performs a process of generating a defocus map based on a parallax between at least one pair of images and performs imaging surface correction through correction of the calculated defocus amount. In the imaging surface correction process, influences of the optical characteristics of the imaging lens and an inclination of an imaging surface of an image sensor are corrected, and thus a more accurate distance map is generated.
    Type: Grant
    Filed: June 15, 2016
    Date of Patent: December 26, 2017
    Assignee: Canon Kabushiki Kaisha
    Inventor: Takahiro Abe
  • Patent number: 9854121
    Abstract: An image processing apparatus according to the present invention includes a specification unit configured to acquire first image data and second image data, and specify a character string out of character strings included in the first image data, and a storage unit configured to store the first and the second image data in one folder in a case where a character string in the second image data at a position corresponding to a position of the specified character string in the first image data coincides with the character string specified by the specification unit, and configured to store the first and the second image data in different folders in a case where the character string in the second image data at the position corresponding to the position of the character string in the first image data specified by the specification unit does not coincide with the specified character string.
    Type: Grant
    Filed: April 3, 2015
    Date of Patent: December 26, 2017
    Assignee: Canon Kabushiki Kaisha
    Inventors: Yasuyuki Nakamura, Yoshitake Mizuno
  • Patent number: 9850083
    Abstract: A sheet conveying apparatus includes a stacking unit, a feeding member, a conveyance guide, and a movement unit. The stacking unit is drawably mounted on an apparatus body and includes a stacking member on which a sheet is stacked. The feeding member feeds the sheet stacked on the stacking member. The conveyance guide is provided with an opening and disposed above the stacking unit. The conveyance guide configures a conveyance path through which the sheet is conveyed. The movement unit moves the feeding member between a first position on which the feeding member comes into contact with the sheet stacked on the stacking member and a second position disposed above the first position. The movement unit includes an entry portion configured to be located within the opening in a state where the feeding member is positioned at the second position.
    Type: Grant
    Filed: February 9, 2016
    Date of Patent: December 26, 2017
    Assignee: Canon Kabushiki Kaisha
    Inventor: Tatsuo Nishiyama
  • Patent number: 9851650
    Abstract: A toner contains a styrene acrylic resin, a block polymer, and an organosilicon polymer, in which the organosilicon polymer has a specific partial structure, the block polymer has a polyester segment and a vinyl polymer segment, the melting point is 55° C. or more and 90° C. or less, the mass ratio of the polyester segment to the vinyl polymer segment is 40/60 to 80/20, and the polyester segment has a specific unit.
    Type: Grant
    Filed: May 4, 2016
    Date of Patent: December 26, 2017
    Assignee: Canon Kabushiki Kaisha
    Inventors: Naoya Isono, Yoshihiro Nakagawa, Harumi Takada, Reo Tagawa, Shiro Kuroki, Sara Yoshida
  • Patent number: 9854195
    Abstract: An image capturing apparatus comprises a unit pixel including a plurality of light receiving elements, a plurality of column output lines provided, for each column, at a number greater than or equal to at least a number of the light receiving elements of each unit pixel, and a switching unit configured to switch between a first readout mode for reading out signals from the plurality of light receiving elements via respectively different column output lines and a second readout mode for reading out signals from the plurality of light receiving elements via the same column output line for each unit pixel.
    Type: Grant
    Filed: January 22, 2016
    Date of Patent: December 26, 2017
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hirokazu Kobayashi, Mie Ishii
  • Patent number: 9854117
    Abstract: An information processing system includes a device including a circuit for configuring a logic circuit according to circuit information, a first control unit configured to process a first job by using a first logic circuit configured in the circuit according to first circuit information, the first control unit being connected to the device, and a second control unit configured to process a second job by using a second logic circuit configured in the circuit according to second circuit information, the second control unit being connected to the device, wherein the device can configure a logic circuit in the circuit according to circuit information transmitted from the first control unit, and wherein the first control unit transmits the first circuit information to the device to configure the first logic circuit in the circuit, and transmits the second circuit information to the device to configure the second logic circuit in the circuit.
    Type: Grant
    Filed: December 7, 2015
    Date of Patent: December 26, 2017
    Assignee: CANON KABUSHIKI KAISHA
    Inventor: Manabu Ozawa
  • Patent number: 9854216
    Abstract: An image pickup apparatus that makes it unnecessary to temporarily stop image pickup performed by an image pickup device to thereby improve operability of the image pickup apparatus, and achieves power saving. In an image pickup apparatus having an electronic viewfinder function, first image signals for live view are acquired by thinning read lines of an image pickup device, and second image signals for AF evaluation value calculation are acquired from the other read lines at a higher speed than the first image signals, for simultaneous output with the first image signals. Reading of the second image signals is started when the state of the object of image data changed or when one photographing mode is changed to another by a user's operation, and is terminated when a reading termination condition set in advance in association with the reading start condition is satisfied.
    Type: Grant
    Filed: December 9, 2014
    Date of Patent: December 26, 2017
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Hiroyuki Furumochi, Taro Kobayashi
  • Patent number: 9851932
    Abstract: An image forming apparatus that is capable of flexibly coping with charging in various protocols. A user information storage unit allows registering relating user information related with a protocol. A reception unit receives a print job that includes the relating user information and that is requested to execute according to a protocol from an external apparatus. A determination unit determines whether the relating user information in the print job is registered in the user information storage unit. A storing unit stores the print job without starting to print when the determination unit determines that the relating user information included in the print job is not registered. A registration unit registers the relating user information included in the print job to the user information storage unit, when printing of the print job stored is started according to an instruction from a user who logged in to the image forming apparatus.
    Type: Grant
    Filed: September 30, 2016
    Date of Patent: December 26, 2017
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Makoto Dohi, Kazuhiro Sugawara
  • Publication number: 20170363853
    Abstract: A method of generating an image of a substantially translucent specimen includes illuminating and imaging the specimen based on light filtered by an optical element. A plurality of variably-illuminated relatively low resolution intensity images of the specimen are acquired for which content of the images corresponds to partially overlapping regions in frequency space. A relatively higher resolution image of the specimen is then reconstructed by iteratively updating overlapping regions of the relatively higher resolution image in Fourier space with the plurality of variably-illuminated, relatively lower resolution intensity images. The iterative updating processes the plurality of relatively lower resolution intensity images in a first sequence which progresses from a centre region of the relatively higher resolution image in increasing spatial frequency followed by a second sequence which progresses towards the centre region in decreasing spatial frequency.
    Type: Application
    Filed: December 9, 2015
    Publication date: December 21, 2017
    Applicant: Canon Kabushiki Kaisha
    Inventor: JAMES AUSTIN BESLEY
  • Patent number: 9846824
    Abstract: An image forming apparatus includes a storage unit that stores a plurality of print jobs, an acquisition unit that acquires, when a desired print job is selected from the plurality of print jobs stored in the storage unit, a print setting of the selected print job, a determination unit that determines whether a print-cost-reducing print setting exists that reduces a print cost more than a print cost of the print setting acquired by the acquisition unit, and a changing unit that, if it is determined that the print-cost-reducing setting exists, enables changing the print setting of the selected print job to the print-cost-reducing print setting.
    Type: Grant
    Filed: June 19, 2015
    Date of Patent: December 19, 2017
    Assignee: CANON KABUSHIKI KAISHA
    Inventor: Zhi Lin
  • Patent number: 9846825
    Abstract: A method of generating a region-based representation of a document is disclosed. A global compositing sequence is generated based on a predetermined rule, using fill data and at least one compositing operation associated with a plurality of objects of the document, to form an object-based representation of the document. The region-based representation of the document is generated based on a further compositing sequence determined for regions formed using the object-based representation. The method also determines whether at least one of the regions satisfies the predetermined rule using a relative arrangement of the objects in the object-based representation. Where the region satisfies the predetermined rule, a reference to the global compositing sequence is created. Where the region does not satisfy the predetermined rule, a local compositing sequence is generated using fill data and compositing operations associated with the objects contributing to the region.
    Type: Grant
    Filed: December 16, 2014
    Date of Patent: December 19, 2017
    Assignee: CANON KABUSHIKI KAISHA
    Inventor: Krzysztof Adam Koziarz
  • Patent number: 9846293
    Abstract: A lens barrel includes a first lens holder 1, a second lens holder 2, a third lens holder 3, and elastically deformers 3a, 3b, and 3c integrally formed on the third lens holder to apply elastic forces on the second lens holder in an optical-axis direction. The second lens holder is arranged between the first lens holder and the third lens holder. The position of the second lens holder is adjustable in the direction orthogonal to an optical axis before the second lens holder is bonded.
    Type: Grant
    Filed: August 25, 2015
    Date of Patent: December 19, 2017
    Assignee: CANON KABUSHIKI KAISHA
    Inventor: Tomoki Hasegawa
  • Patent number: 9846401
    Abstract: Even in a case where a master-CPU of an image forming section and a slave-CPU of a sheet transportation section are driven by respective oscillation circuits with different oscillation accuracies, a large difference in accuracy is not caused in transfer sheet transportation speed driven by clock signals formed by the respective oscillation circuits. In the master-CPU and the slave-CPU that are cascadingly connected to each other, in order to calculate a clock frequency of an oscillation circuit of the target-CPU, a predetermined time transmitted from the other CPU connected to the target-CPU is counted by the clock signal of the target-CPU. With reference to the predetermined time, an operating process, such as division of an acquired counter value by the predetermined time, acquires an error of the clock frequency of the oscillation circuit driving the slave-CPU, and corrects the error, thereby improving the accuracy thereof.
    Type: Grant
    Filed: December 20, 2010
    Date of Patent: December 19, 2017
    Assignee: Canon Finetech Nisca Inc.
    Inventor: Akihiko Nojiri
  • Patent number: 9846380
    Abstract: An image forming apparatus includes a detection unit configured to detect a test pattern formed on an image carrier by image forming units; and an adjustment unit configured to control the image forming units to form the test pattern, and adjust relative positions of images based on a detection result of the test pattern. The adjustment unit is further configured to control the image forming units to form the test pattern after the image forming units have formed on the image carrier an image to be transferred to a sheet with a basis weight less than a threshold, and before the image forming units form on the image carrier an image to be transferred to a sheet with a basis weight greater than the threshold.
    Type: Grant
    Filed: July 28, 2016
    Date of Patent: December 19, 2017
    Assignee: Canon Kabushiki Kaisha
    Inventors: Tsuyoshi Tajiri, Takehiro Kishi, Hirotoshi Tajima