Electronic Shuttering Patents (Class 348/296)
  • Patent number: 8625010
    Abstract: A solid-state imaging apparatus including a plurality of pixels each including: a first holding portion for holding signal carriers from a photoelectric conversion portion; an amplifying portion for amplifying and reading a signal based on the signal carriers generated in the photoelectric conversion portion; and a carrier discharging control portion for discharging charge carriers in the photoelectric conversion portion to an OFD region, and having a carrier path between the photoelectric conversion portion and the first carrier holding portion, in which the solid-state imaging apparatus further includes a second carrier holding portion electrically connected with the first carrier portion in parallel through a first transfer unit, when viewed from an output node of the photoelectric conversion portion, thereby smoothing an movie imaging without causing discontinuous frame while suppressing generation of noise mixing into the charge carrier holding portion.
    Type: Grant
    Filed: April 30, 2009
    Date of Patent: January 7, 2014
    Assignee: Canon Kabushiki Kaisha
    Inventors: Yuichiro Yamashita, Masahiro Kobayashi, Takanori Watanabe, Shinsuke Kojima, Takeshi Ichikawa, Yusuke Onuki
  • Publication number: 20140002703
    Abstract: A solid-state imaging element includes: a pixel section having a plurality of pixels arranged in a matrix form, each of the pixels converting an optical signal into an electric signal and storing the electric signal according to exposure time; a dummy pixel section having dummy pixels arranged in a matrix form; and pixel drive sections adapted to control the pixel operations in such a manner as to operate an electronic shutter on and read the pixel section and dummy pixel section, wherein when an electronic rolling shutter is operated in which the pixels are shuttered row by row, the pixel drive sections judge whether the current and next frames are shuttered concurrently and in parallel so as to determine in which horizontal read period the dummy pixel section is to be shuttered.
    Type: Application
    Filed: August 28, 2013
    Publication date: January 2, 2014
    Applicant: SONY CORPORATION
    Inventor: Hiroaki Ebihara
  • Patent number: 8619170
    Abstract: A solid-state image pickup device includes a plurality of pixels and a scanning unit. Each pixel includes a photoelectric conversion element and a charge accumulation region. The scanning unit is configured to read a first signal from a charge accumulation region. The scanning unit is configured to read a second signal from the charge accumulation region. The first signal corresponds to an accumulation of signal charges during a first period, while the second signal corresponds to another accumulation of signal charges during a second period.
    Type: Grant
    Filed: August 3, 2010
    Date of Patent: December 31, 2013
    Assignee: Sony Corporation
    Inventor: Keiji Mabuchi
  • Patent number: 8618588
    Abstract: A method of preventing blooming in a pixel array includes affecting an amount of light that impinges on a photoelectric conversion element by adjusting a transmissivity of an electrochromic element based on an output of the photoelectric conversion element.
    Type: Grant
    Filed: October 29, 2010
    Date of Patent: December 31, 2013
    Assignee: International Business Machines Corporation
    Inventors: Kristin M. Ackerson, Jeffrey P. Gambino, Mark D. Jaffe, Robert K. Leidy, Richard J. Rassel, Robert M. Rassel
  • Patent number: 8619169
    Abstract: A solid-state image sensor including a plurality of pixels formed on a semiconductor substrate, each pixel comprising a photoelectric conversion element including a charge accumulation region of a first conductivity type, a floating diffusion of the first conductivity type, and a transfer transistor which transfers charge in the charge accumulation region to the floating diffusion, comprises an element isolation region made of an insulator and arranged to isolate adjacent pixels from each other, and an impurity diffusion region of a second conductivity type arranged inside the semiconductor substrate to isolate adjacent pixels from each other, wherein a peak position of an impurity concentration of the impurity diffusion region of one pixel is disposed within a width of the floating diffusion, of the one pixel, along a straight line passing through the photoelectric conversion element, a gate electrode of the transfer transistor, and the floating diffusion which are of the one pixel.
    Type: Grant
    Filed: November 18, 2010
    Date of Patent: December 31, 2013
    Assignee: Canon Kabushiki Kaisha
    Inventor: Junji Iwata
  • Patent number: 8614758
    Abstract: A solid-state imaging device including: a substrate; a substrate voltage supply that applies a first potential to the substrate during a light receiving period and applies a second potential to the substrate during a no-light receiving period; and a plurality of pixels including a light receiving portion that generates signal charges in response to received light, a storage capacitor that stores and holds the signal charges, a dark current suppressing portion, an electronic shutter adjusting layer that adjusts potential distribution in a substrate so that the signal charges are swept to the rear surface side of the substrate, a readout gate portion that reads out the signal charges stored in the storage capacitor, and a vertical transfer register that transfers the signal charges read out by the readout gate portion in a vertical direction.
    Type: Grant
    Filed: January 28, 2010
    Date of Patent: December 24, 2013
    Assignee: Sony Corporation
    Inventor: Hideo Kanbe
  • Publication number: 20130335606
    Abstract: Provides an imaging device including, imaging element in which plural first lines arrayed with first phase difference detection pixels, and plural second lines arrayed with second phase difference detection pixels, are arrayed alternately; reading out section read out signals of the phase difference detection pixels; first correlation computing section carry out first correlation computation on signals read out from a set of the first and the second phase difference detection pixel; second correlation computing section carry out second correlation computation on signals read out from at least one set among a set of plural first phase difference detection pixels of the first line, and a set of plural second phase difference detection pixels of the second line; correcting section corrects results of the first correlation computation, by results of the second correlation computation; and focusing section control focusing based on the corrected correlation computation.
    Type: Application
    Filed: August 23, 2013
    Publication date: December 19, 2013
    Applicant: FUJIFILM Corporation
    Inventors: Takashi AOKI, Tomoki INOUE
  • Patent number: 8605169
    Abstract: A solid-state imaging device and a camera system capable of preventing the occurrence of invalid frames if a shutter and a gain are simultaneously set. The solid-state imaging device has a picture element array block on which a plurality of picture element circuits having features for converting an optical signal into an electrical signal and accumulating the electrical signal in accordance with an exposure time are arranged in a matrix manner, a picture element drive block drivable so as to execute a shutter operation of said picture element block and a read operation in accordance with setting data, and an interface section including functions of holding shutter setting data and gain setting data supplied from the outside and controlling a timing for reflecting shutter setting and gain setting onto at least said picture element drive block.
    Type: Grant
    Filed: June 1, 2009
    Date of Patent: December 10, 2013
    Assignee: Sony Corporation
    Inventor: Tsutomu Nishide
  • Patent number: 8605177
    Abstract: An image sensor, system and method that alternates sub-sets of pixels with long exposure times and pixels with short exposure times on the same sensor to provide a sensor having improved Wide Dynamic Range (WDR). The sub-sets of pixels are reset at different time intervals after being read, which causes the respective integration times to vary. By combining information contained in the both the short and long integration pixels, the dynamic range of the sensor is improved.
    Type: Grant
    Filed: September 16, 2009
    Date of Patent: December 10, 2013
    Assignee: AltaSens, Inc.
    Inventors: Giuseppe Rossi, Roberto Marchesini, Qianjiang Mao, Emanuele Mandelli, Gaurang Patel, Naveen Kolli, Jonathan Stern
  • Patent number: 8599293
    Abstract: A method, apparatus and system are described providing a high dynamic range pixel. An integration period has multiple sub-integration periods during which charges are accumulated in a photosensor and repeatedly transferred to a storage node, where the charges are accumulated for later transfer to another storage node for output.
    Type: Grant
    Filed: August 24, 2011
    Date of Patent: December 3, 2013
    Assignee: Micron Technology, Inc.
    Inventor: Parker Altice
  • Patent number: 8593552
    Abstract: Systems and methods for generating images of an object having a known object velocity include imaging electromagnetic radiation from the object onto a sensor array of an imaging system, adjusting at least one of a shutter rate and a shutter direction of the imaging system in accordance with an image velocity of the image across the sensor array, and sampling output of the sensor array in accordance with the shutter rate and the shutter direction to generate the images. Systems and methods for generating images of an object moving through a scene include a first imaging system generating image data samples of the scene, a post processing system that analyzes the samples to determine when the object is present in the scene, and one or more second imaging systems triggered by the post processing system to generate one or more second image data samples of the object.
    Type: Grant
    Filed: September 13, 2011
    Date of Patent: November 26, 2013
    Assignee: OmniVision Technologies, Inc.
    Inventors: Edward R. Dowski, Jr., Kenneth S. Kubala, Hans Brandon Wach
  • Patent number: 8587699
    Abstract: A solid state imaging device including: a pixel portion having a plurality of pixels arrayed two-dimensionally and including an effective pixel portion and a dummy pixel portion; a timing generator for generating address information for reading signals of pixels of the pixel portion and timing signals for reading; a column decoder; a column selection circuit for generating transfer signals and reset signals used for control for reading signals of pixels in the column portions of the pixel portion by the plurality of line selection signals output from the column decoder based on the timing signals and selecting column portions of pixels in an effective portion and a dummy portion of the pixel portion; and a transfer circuit for reading signals of corresponding pixels based on the transfer signals and reset signals output from the column selection circuit, then transferring signals of read pixels by the row signal lines.
    Type: Grant
    Filed: November 30, 2010
    Date of Patent: November 19, 2013
    Assignee: Sony Corporation
    Inventor: Keigo Aoki
  • Patent number: 8582011
    Abstract: An apparatus controls operation of an array of color multiple sensor pixel image sensors to provide a global shuttering for one half of the color multiple sensor pixel image sensors and a rolling shuttering for all color multiple sensor pixel image sensors of the array. The apparatus includes a row control circuit and a column clamp, sample, and hold circuit. The row control circuit generates the necessary reset control signals, transfer gating signals, and row selecting signals for providing the global shuttering and the rolling shuttering color multiple sensor pixel image sensors. The column clamp, sample and hold circuit generates an output signal representative of a number of photons impinging upon each color multiple sensor pixel image sensor of the row of selected color multiple sensor pixel image sensors. The control apparatus further includes an analog to digital converter which converts the read out signal to a digital image signal.
    Type: Grant
    Filed: February 23, 2012
    Date of Patent: November 12, 2013
    Assignee: Youliza, Gehts B.V. Limited Liability Company
    Inventor: Taner Dosluoglu
  • Publication number: 20130278802
    Abstract: The exposure of pixel lines in one or more image sensor regions is substantially synchronized. Each image sensor region is associated with a different lens in a multi-lens camera system. For a first pixel line in a first image sensor region and a second pixel line in a second image sensor region corresponding to the same portion of a field of view, the first pixel line and the second pixel line are sequentially or substantially simultaneously exposed. After exposing the first pixel line and the second pixel line, image information associated with the exposures is combined and output on the same readout line.
    Type: Application
    Filed: October 24, 2011
    Publication date: October 24, 2013
    Applicant: OPERA IMAGING B.V.
    Inventors: Ziv Attar, Chen Aharon-Attar
  • Patent number: 8564690
    Abstract: A photographing apparatus and an image pickup device thereof include an image pickup device of which an image pickup area includes a plurality of pixels and is divided into a plurality of sub-image pickup areas, and at least one pixel included in each of the sub-image pickup areas outputs image signals at a same time.
    Type: Grant
    Filed: February 27, 2008
    Date of Patent: October 22, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Takashi Shibata
  • Publication number: 20130271631
    Abstract: According to one embodiment, a light receiver includes a light reception module, a multi-exposure area selector, a multi-exposure controller, and a readout module. The light reception module includes N lines, each of the N lines having a plurality of light receiving elements. The multi-exposure area selector is configured to select one or a plurality of single-exposure lines and one or a plurality of multi-exposure lines. The multi-exposure controller is configured to, per the unit time, perform an exposure on the single-exposure lines one time for a first exposure time; and a first exposure and a second exposure on the multi-exposure lines. The readout module is configured to read exposure amounts of the lines line by line. The multi-exposure controller is configured to start the second exposure on the multi-exposure lines before reading of the exposure amounts of all the single-exposure lines is completed.
    Type: Application
    Filed: February 8, 2013
    Publication date: October 17, 2013
    Applicant: Kabushiki Kaisha Toshiba
    Inventors: Yukiyasu TATSUZAWA, Kazuhiro HIWADA, Tatsuji ASHITANI, Jun DEGUCHI, Hideaki MAJIMA, Motohiro MORISAKI
  • Patent number: 8558931
    Abstract: The invention describes in detail a solid-state CMOS image sensor, specifically the CMOS image sensor pixel that has only two row lines per pixel, pinned photodiode for sensing light, and one or two column lines. The pixel does not have an address transistor and the sensing and reset transistors are both MOS p-channel type. This architecture results in a low noise operation with a very small output transistor random noise. In addition this new pixel architecture allows for the standard CDS signal processing operation, which reduces the pixel to pixel non-uniformities and minimizes kTC reset noise. The pixel has high sensitivity, high conversion gain, high response uniformity, and low noise, which is enabled by the efficient 3T pixel layout.
    Type: Grant
    Filed: May 3, 2011
    Date of Patent: October 15, 2013
    Assignee: Intellectual Ventures II LLC
    Inventor: Jaroslav Hynecek
  • Patent number: 8553139
    Abstract: The present invention is an image pickup apparatus including an image pickup device having an image pickup plane on which pixels are two-dimensionally arranged, a mechanical rear curtain shutter that runs along the image pickup plane to control passage/shielding of light, a system control section that divides the image pickup plane into a plurality of pixel groups along the running direction ahead of running of the mechanical rear curtain shutter and collectively resets charge of all pixels in one pixel group sequentially at timing per pixel group according to running characteristics of the mechanical rear curtain shutter, and an image processing section that corrects a signal level of an image signal read from the image pickup device to approximate to an image signal obtained when the pixels have a same exposure time based on the running characteristics of the mechanical rear curtain shutter and reset timing for each pixel group.
    Type: Grant
    Filed: January 10, 2011
    Date of Patent: October 8, 2013
    Assignee: Olympus Imaging Corp.
    Inventor: Hiroaki Iwasaki
  • Patent number: 8553121
    Abstract: An image sensor includes a plurality of photoelectric conversion units disposed in line and column directions, transfer capacitances that store a signal read out from the (n?1)th line (n being an integer of 2 or more) of the plurality of photoelectric conversion units, transfer capacitances that store a signal read out from the nth line of the plurality of photoelectric conversion units, and a system control CPU that controls the image sensor. While a level of a predetermined driving pulse generated within the image sensor changes during the period where the signal of the (n?1)th line stored in the transfer capacitance is read out from the transfer capacitances, the system control CPU control not to output the signal of the (n?1)th line from the transfer capacitances.
    Type: Grant
    Filed: April 9, 2008
    Date of Patent: October 8, 2013
    Assignee: Canon Kabushiki Kaisha
    Inventor: Nobuhiro Takeda
  • Patent number: 8553116
    Abstract: Shutter blades are driven so that light which hits an image sensor which has been hit by the light is blocked (timing t5). That the shutter blades have moved a predetermined amount is detected before the start of the shutter blades blocking the light (timing t6), and furthermore, reset scanning of the exposure amount of the image sensor vertically upwards is started at a reset timing according to the detection before the start of the shutter blades blocking the light (timing t7). Due to this, it is possible for the exposure amount of the image sensor to be reset at a timing corresponding to the type of driving of the shutter for each camera in a case where there is variation or change in the type of driving due to individual unit differences or changes over time in the shutter mechanism.
    Type: Grant
    Filed: March 6, 2012
    Date of Patent: October 8, 2013
    Assignee: Seiko Epson Corporation
    Inventor: Eiji Tsubono
  • Publication number: 20130258150
    Abstract: A solid-state image capturing device including: a substrate; a substrate voltage source which applies a first potential to the substrate during a light reception period and applies a second potential to the substrate during a non-light reception period; and a plurality of pixels which each includes a light receiver which is formed on a front surface of the substrate and generates signal charges in accordance with received light, a storage capacitor which is formed adjacent to the light receiver and accumulates and stores signal charges generated by the light receiver, dark-current suppressors which are formed in the light receiver and the storage capacitor, an electronic shutter adjusting layer which is formed in an area facing the light receiver in the substrate and distant from the storage capacitor and which adjusts potential distribution, and a floating diffusion portion to which the signal charges accumulated in the storage capacitor are transmitted.
    Type: Application
    Filed: May 22, 2013
    Publication date: October 3, 2013
    Applicant: SONY CORPORATION
    Inventor: HIDEO KANBE
  • Patent number: 8537269
    Abstract: A method, medium, and apparatus for setting an exposure time is provided. The apparatus includes a section setting module which sets one or more luminance sections based on a luminance distribution of an input image, an image division module which divides the input image into two or more regions, a region classification module which classifies the regions into the luminance sections, and an exposure-time setting module which sets an exposure time for each of the regions with reference to a target luminance value, the target luminance value being set based on the results of the classification performed by the region classification module.
    Type: Grant
    Filed: August 19, 2008
    Date of Patent: September 17, 2013
    Assignees: Samsung Electronics Co., Ltd., Samsung Electro-Mechanics Co., Ltd.
    Inventors: Jae-hyun Kwon, Won-hee Choe, Seong-deok Lee, Hyun-chul Song, Kang-eui Lee
  • Patent number: 8531567
    Abstract: An image sensor including a first pixel positioned between second and third pixels, each of the first, second and third pixels comprising a photodiode region surrounded by an isolation trench; a first charge transfer gate comprising a first column electrode surrounded by an insulating layer and positioned in an opening of the isolation trench between the first and second pixels, the first column electrode being configured to receive a first transfer voltage signal; and a second charge transfer gate including a second column electrode surrounded by an insulating layer and positioned in an opening of the isolation trench between the first and third pixels, the second column electrode being configured to receive a second transfer voltage signal.
    Type: Grant
    Filed: October 22, 2010
    Date of Patent: September 10, 2013
    Assignee: STMicroelectronics (Crolles 2) SAS
    Inventors: François Roy, Frédéric Barbier
  • Publication number: 20130229553
    Abstract: An imaging device includes an imaging unit having a pixel group two-dimensionally arranged vertically and horizontally, and configured to read pixel signals associated with generation of a frame image in units of lines by a rolling shutter system, and a drive unit configured to periodically switch, when a plurality of frame images are consecutively read from the imaging unit with a predetermined frame period in video recording, positions of a plurality of lines each of which is made a read object in each of the frame images in units of frames.
    Type: Application
    Filed: March 1, 2013
    Publication date: September 5, 2013
    Applicant: CASIO COMPUTER CO., LTD.
    Inventor: Hiroshi SUZUKI
  • Publication number: 20130208156
    Abstract: A solid-state imaging apparatus which performs a global exposure operation, in a determined imaging region, for performing exposure as matching respective start times and respective end times of all rows, comprises: plural unit pixels arranged in two-dimensional matrix and each comprising a photoelectric converting unit for generating a pixel signal by photoelectric conversion, a holding unit for holding the generated pixel signal, and a first gate for transferring the generated pixel signal to the holding unit; a first controlling line connected commonly to the first gates in the unit pixels on the same row; a vertical controlling circuit for resetting the unit pixel; and a first driving line connected to the first controlling line, and not connected to and thus independent of the vertical controlling circuit, thereby enabling to reduce a current flowing in a power supply of the vertical controlling circuit when driving electrodes of the holding units.
    Type: Application
    Filed: March 15, 2013
    Publication date: August 15, 2013
    Applicant: CANON KABUSHIKI KAISHA
    Inventor: CANON KABUSHIKI KAISHA
  • Patent number: 8508636
    Abstract: An image sensing apparatus includes an image sensor having a plurality of pixels and a control unit configured to control the image sensor. Each pixel includes a photoelectric conversion element configured to convert light into an electric charge, an amplifier configured to amplify accumulated electric charge, a transfer switch configured to input a signal of the photoelectric conversion element to the amplifier when being turned on, a reset switch configured to reset the input to the amplifier when being turned on, and a selection switch configured to output an output from the amplifier to a signal output line when being turned on.
    Type: Grant
    Filed: August 31, 2009
    Date of Patent: August 13, 2013
    Assignee: Canon Kabushiki Kaisha
    Inventor: Yusaku Motonaga
  • Patent number: 8493486
    Abstract: In a conventional image pickup apparatus, a plurality of reset methods for resetting a photodiode cannot be set. A row selection unit is provided with a first storage unit for storing an address of a read row, a second storage unit for storing an address of a shutter row, and further a third storage unit for storing an address of a row in which potential of photodiode is fixed.
    Type: Grant
    Filed: May 12, 2011
    Date of Patent: July 23, 2013
    Assignee: Canon Kabushiki Kaisha
    Inventors: Shintaro Takenaka, Hidetoshi Hayashi
  • Publication number: 20130182160
    Abstract: An image sensor has a plurality of pixels arranged in an array, a selection means for selecting individual pixels in the array, and a shutter means for transmitting a shutter signal to the pixels. The pixels are constructed and arranged to sense incident light only when both selected and in receipt of a shutter signal. The pixels in said array can thus be triggered individually to capture light at different times.
    Type: Application
    Filed: July 12, 2011
    Publication date: July 18, 2013
    Applicant: ISIS INNOVATION LIMITED
    Inventors: Mark Pitter, Mike Somekh, Roger Light, Nicholas Johnston, Gil Bub
  • Publication number: 20130182154
    Abstract: There is provided an image sensor including at least three pixel transfer control signal lines, on a per line basis, configured to control exposure start and end timings of a pixel in order for exposure timings of a plurality of the pixels constituting one line in a specific direction to have at least three patterns.
    Type: Application
    Filed: December 20, 2012
    Publication date: July 18, 2013
    Applicant: SONY CORPORATION
    Inventor: SONY CORPORATION
  • Patent number: 8488033
    Abstract: Photographing having a wide dynamic range is performed by adjusting a discharging time for discharging charges accumulated in an image pickup device. A photographing apparatus comprises an image pickup device having a plurality of pixels arranged in a matrix form and photographs a subject by exposing the image pickup device to light, and also includes: a detector that detects a photographing state of the subject; an operation controller that controls an operation of a curtain body traveling to block light to the image pickup device; and a scan controller that controls an exposure start scanning of the image pickup device by discharging charges accumulated in the image pickup device before the traveling of the curtain body, wherein the scan controller adjusts a discharging time for discharging the charges accumulated in the image pickup device according to the photographing state of the subject.
    Type: Grant
    Filed: December 22, 2010
    Date of Patent: July 16, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Yasuo Takane
  • Patent number: 8482642
    Abstract: A pixel having an electronic shutter suitable for use in a pixel array of an imaging device includes a pinned diode and a shutter transistor. The pinned diode is utilized as a storage device while the shutter transistor controls charge transfer from the electronic shutter. The use of a pinned diode as a charge storage device for the electronic shutter permits greater charge transfer efficiency, has lower leakage (or “dark” current), and permits the resulting pixel to have a greater fill factor than pixels utilizing conventional electronic shutter circuits.
    Type: Grant
    Filed: October 31, 2011
    Date of Patent: July 9, 2013
    Assignee: Micron Technology, Inc.
    Inventor: Jeffrey Rysinski
  • Patent number: 8477205
    Abstract: An electronic camera for generating an image having a wide dynamic range by synthesizing two image pickup signals of different exposure amount generated by using an electronic shutter function and unit for shutting off light, shading of image pickup signals resulting from difference in charge accumulating time among the pixels of image pickup device due to operation from opened state to closed state of the unit for shutting off light being corrected by a shading correction unit to form a synthesized image without an occurrence of false color due to shading.
    Type: Grant
    Filed: October 12, 2011
    Date of Patent: July 2, 2013
    Assignee: Olympus Optical Co., Ltd
    Inventors: Minoru Kakinuma, Hidetoshi Fukuda, Hiroaki Koseki, Osamu Inagaki
  • Patent number: 8477222
    Abstract: In a solid state image sensor having a pixel array, a first frame is imaged using varying exposure times in a series of zones. The exposure time for a subsequent frame is selected from the results of the first frame, The exposure times are controlled in a rolling blade manner by controlling the number of lines between reset and readout. The sensor is particularly suited to use in bar code readers.
    Type: Grant
    Filed: November 13, 2006
    Date of Patent: July 2, 2013
    Assignee: STMicroelectronics (R&D) Ltd.
    Inventor: Justin Richardson
  • Patent number: 8471938
    Abstract: A CMOS imaging system with increased charge storage of pixels yet decreased physical size, kTC noise and active area. A storage node is connected to the transfer gate and provides a storage node for a pixel, allowing for kTC noise reduction prior to readout. The pixel may be operated with the shutter gate on during the integration period to increase the amount of time for charge storage by a pixel.
    Type: Grant
    Filed: December 1, 2011
    Date of Patent: June 25, 2013
    Assignee: Micron Technology, Inc.
    Inventors: Peter P. Altice, Jr., Jeffrey A. McKee
  • Publication number: 20130155300
    Abstract: An image pickup apparatus includes an image pickup element to obtain an image of a subject using a plurality of pixels which are classified into a plurality of pixel groups and are arranged in a matrix pattern, a controller to apply a reset signal to start exposure of a pixel on a pixel group basis in sequence, to read out pixel values of the plurality of pixel groups on the pixel group basis in sequence according to the reset signal applying order, and to control the image pickup element such that each of the pixel groups has a same exposure time, and a storage unit to store the pixel values read out on the pixel group basis in sequence.
    Type: Application
    Filed: December 14, 2012
    Publication date: June 20, 2013
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventor: SAMSUNG Electronics Co., Ltd.
  • Publication number: 20130155301
    Abstract: An image pickup apparatus and method are provided. The method includes performing a first and second reset operations with respect to a charge accumulated in first and second pixel lines, respectively, of an image pickup device, each of the first and second pixel lines having a plurality of pixels; traveling a light shielding member on the first and second pixel lines, respectively when first and second respective exposure times elapse from the first and second reset operations, respectively; outputting the charge accumulated in the first and second pixel lines, respectively, as first and second pixel data, respectively, after the light shielding member travels on the first and second pixel lines, respectively; and computing a first calibration value for the first pixel line and a second calibration value for the second pixel line based on the first and second pixel data and the first and second exposure times.
    Type: Application
    Filed: December 17, 2012
    Publication date: June 20, 2013
    Applicant: Samsung Electronics Co., Ltd.
    Inventor: Samsung Electronics Co., Ltd.
  • Patent number: 8466971
    Abstract: Sensed image data obtained by controlling opening/closing of a shutter based on a signal for controlling the opening/closing timing of the shutter of an image sensing device is acquired. Exposure characteristic data indicating the exposure characteristic of the image sensing device in unit opening/closing of the shutter is acquired. A motion vector regarding an image represented by the sensed image data when acquiring the sensed image data is acquired. The image represented by the sensed image data is corrected based on the signal for controlling the opening/closing timing of the shutter, the exposure characteristic data, and the motion vector.
    Type: Grant
    Filed: May 10, 2011
    Date of Patent: June 18, 2013
    Assignee: Canon Kabushiki Kaisha
    Inventor: Yasuhiro Ito
  • Patent number: 8462235
    Abstract: A method and system is for limiting the x-droop effect in the digital image captured with solid state image sensors with a correction mechanism which instead of using only correction values from the same column to which the correction is applied, also takes the neighboring pixels into account to provide an averaged value to aid in the reduction of temporal and fixed noise contributions associated with the readout of a single pixel.
    Type: Grant
    Filed: November 1, 2010
    Date of Patent: June 11, 2013
    Assignee: STMicroelectronics (Research & Development) Limited
    Inventor: John Kevin Moore
  • Patent number: 8462219
    Abstract: An image pickup apparatus determines from which position in a plurality of photographed frames a pixel of each of lines of an image to be output is read out, on the basis of a motion amount at a photographing time of each of the lines of a photographed predetermined frame, and if the determined read-out position is located on the outside of a photographing range of the predetermined frame, then determines to read out a pixel in a frame photographed before and/or after a photographing of the predetermine frame as the pixel of the output image and calculates a read-out position of the pixel on the basis of the motion amount at a photographing time of each of the lines in the frame.
    Type: Grant
    Filed: July 8, 2011
    Date of Patent: June 11, 2013
    Assignee: Canon Kabushiki Kaisha
    Inventor: Ichiro Matsuyama
  • Patent number: 8456566
    Abstract: A focus range is determined on the basis of an object distance, focal distance, and aperture value, after an autofocus operation. When SW2 is operated, an exposure is performed only during a period that a displacement of a blur in an optical-axis direction is within the focus range. If an exposure time for one exposure does not reach an exposure time to obtain an optimum exposure, a plurality of exposures are performed until a total exposure time reaches the exposure time to obtain the optimum exposure. When the plurality of exposures are performed, a plurality of images obtained are combined to generate an image with the optimum exposure.
    Type: Grant
    Filed: August 12, 2010
    Date of Patent: June 4, 2013
    Assignee: Canon Kabushiki Kaisha
    Inventor: Kouji Okada
  • Patent number: 8451359
    Abstract: A solid-state image capturing apparatus includes: a plurality of light sensing units; a plurality of vertical transfer registers including a transfer channel region and a plurality of vertical transfer electrodes; and a first channel stop region provided in parallel to the transfer channel region of the vertical transfer register. Among the vertical transfer electrodes, a vertical transfer electrode serving as a reading electrode is formed without overlapping the first channel stop region.
    Type: Grant
    Filed: December 29, 2009
    Date of Patent: May 28, 2013
    Assignee: Sony Corporation
    Inventor: Hideo Kanbe
  • Patent number: 8451355
    Abstract: An image sensor that supplies a control signal together with an address specifying each of a plurality of pixels arrayed in a pixel array with predetermined rows and columns to thereby perform an electronic shutter operation on a pixel corresponding to the address or perform reading of a pixel signal of a pixel corresponding to the address, is disclosed. The sensor includes: address generating means for generating a shutter row address specifying a row of pixels, on which an electronic shutter operation is to be performed within one horizontal period, among the pixels arrayed in the pixel array and a read row address specifying a row of pixels on which reading of a pixel signal is to be performed within the same one horizontal period; first storage means for storing the shutter row address; and second storage means for storing the read row address.
    Type: Grant
    Filed: May 13, 2008
    Date of Patent: May 28, 2013
    Assignee: Sony Corporation
    Inventor: Eiji Makino
  • Patent number: 8451356
    Abstract: An example embodiment may include a system and method for correcting luminance disturbances in an imaging device. The example method can detect a luminance level disturbance in the output of an imager and provide a signal to a digital signal processor (DSP) that a luminance disturbance was detected, before the DSP begins processing the output of the imager. The DSP can then correct or adjust the resulting output to compensate for the luminance disturbance.
    Type: Grant
    Filed: February 23, 2009
    Date of Patent: May 28, 2013
    Assignees: Sony Corporation, Sony Electronics Inc.
    Inventors: Juan A. Martinez, Andrew M. Berger
  • Patent number: 8451357
    Abstract: According to one embodiment, a solid-state imaging sensor includes an imaging area, a vertical selector circuit, a pulse selector circuit and a timing generator circuit. The vertical selector circuit is provided with one row address comparator circuit corresponding to each of pixel rows. The row address comparator circuit is supplied with a row address in time division within one horizontal scanning interval with respect to the imaging area. Based on the comparison result of the row address comparator circuit, the vertical selector circuit outputs an electronic shutter row select signal and a read row select signal for setting an electronic shutter state and a read state of the corresponding pixel row.
    Type: Grant
    Filed: May 26, 2010
    Date of Patent: May 28, 2013
    Assignee: Kabushiki Kaisha Toshiba
    Inventor: Teppei Nakano
  • Patent number: 8449112
    Abstract: An ophthalmologic imaging apparatus includes an observation light source configured to generate infrared light for illuminating a subject's eye via an illumination optical system, an imaging unit configured to receive light returned from the subject's eye via an imaging optical system, and an electronic shutter control unit configured to refresh charge generated caused by light received by the imaging unit in response to turning off of the observation light source.
    Type: Grant
    Filed: August 17, 2010
    Date of Patent: May 28, 2013
    Assignee: Canon Kabushiki Kaisha
    Inventor: Nobuyoshi Kishida
  • Patent number: 8446489
    Abstract: The present invention relates to an imaging device, a drive control method, and a program configured to be capable of making sensitivity ratios constant and improving a S/N ratio. When a storage period of pixels (G pixels) with a green filter as a reference does not exceed a predetermined threshold value, an adjustment of the sensitivity ratio by gains by color is performed. When the storage period of the pixels with a green filter is larger than the predetermined threshold value, the storage periods of the pixels with a red filter (R pixels) and the pixels with a blue filter (B pixels) are calculated from the set sensitivity ratios, and if the calculated values do not exceed a maximum setting value, the adjustment of the sensitivity ratios by the storage periods by color is performed. In contrast, if the calculated storage period is larger than the maximum setting value, the adjustment of the sensitivity ratio is performed by combining the storage period by color and the gains by color.
    Type: Grant
    Filed: September 14, 2010
    Date of Patent: May 21, 2013
    Assignee: Sony Corporation
    Inventors: Yasuhiro Kaneo, Shizunori Matsumoto
  • Patent number: 8441551
    Abstract: Circuitry, apparatus and methods provide flicker detection and improved image generation for digital cameras that employ image sensors. In one example, circuitry and methods are operative to compare a first captured frame with a second captured frame that may be, for example, sequential and consecutive or non-consecutive if desired, to determine misalignment of scene content between the frames. A realigned second frame is produced by realigning the second frame with the first frame if the frames are determined to be misaligned. Luminance data from the realigned second frame and luminance data from the pixels of the first frame are used to determine if an undesired flicker condition exists. If an undesired flicker condition is detected, exposure time control information is generated for output to the imaging sensor that captured the frame, to reduce flicker. This operation may be done, for example, during a preview mode for a digital camera, or may be performed at any other suitable time.
    Type: Grant
    Filed: November 11, 2009
    Date of Patent: May 14, 2013
    Assignee: ATI Technologies ULC
    Inventors: Graham C. H. Greenland, Milivoje Aleksic, Sergio Goma
  • Patent number: 8436314
    Abstract: An imaging apparatus includes a control unit and a detector that includes multiple pixels and that performs an image capturing operation to output image data corresponding to radiation or light that is emitted. The image capturing operation includes a first image capturing operation in a first scanning area corresponding to part of the multiple pixels to output image data in the first scanning area and a second image capturing operation in a second scanning area larger than the first scanning area to output image data in the second scanning area. The control unit causes the detector to perform an accumulation operation in the second image capturing operation in a time determined so that an image artifact caused by the scanning area is lower than a predetermined allowable value on the basis of information about the amount of integration of accumulation times in the first image capturing operation.
    Type: Grant
    Filed: August 31, 2010
    Date of Patent: May 7, 2013
    Assignee: Canon Kabushiki Kaisha
    Inventors: Toshio Kameshima, Tadao Endo, Tomoyuki Yagi, Katsuro Takenaka, Keigo Yokoyama, Sho Sato, Toshikazu Tamura
  • Patent number: 8436924
    Abstract: When an external trigger is received as a predetermined signal after receiving a signal concerning a start of imaging, controls are carried out to stop driving of a CCD type solid-state image sensor (CCD) from receipt of the signal concerning a start of imaging until receipt of the external trigger, and to start the driving of the CCD synchronously with the receipt of the external trigger. Thus, the driving of the CCD is not started immediately upon receipt of the signal concerning a start of imaging, and the driving time of the CCD can be shortened by the time from receipt of the signal concerning a start of imaging until receipt of the external trigger, thereby suppressing heat generation of the CCD.
    Type: Grant
    Filed: December 16, 2008
    Date of Patent: May 7, 2013
    Assignee: Shimadzu Corporation
    Inventors: Hideki Soya, Yasushi Kondo
  • Patent number: 8436928
    Abstract: An image sensing apparatus includes an image sensing unit that performs image sensing by converting incoming light into electrical signals, a control unit that controls driving of the image sensing unit so as to read out the electrical signals by each area of a plurality of areas of the image sensing unit, and a signal processing unit that processes the electrical signals read out by each of the plurality of areas. The control unit varies a horizontal cycle that drives the image sensing unit for each of the plurality of areas.
    Type: Grant
    Filed: March 30, 2011
    Date of Patent: May 7, 2013
    Assignee: Canon Kabushiki Kaisha
    Inventor: Makoto Ise