Patents Examined by Nhan T. Tran
-
Patent number: 11159797Abstract: Method and system to improve the performance of a video encoder. The method includes processing an initial video signal in a front-end image pre-processor to obtain a processed video signal and processor information respecting the signal, providing the processed video signal and the processor information to a video encoder, and encoding the video signal in the video encoder according to the processor information to provide an encoded video signal for storage. The system includes a video pre-processor connectable to receive an initial video signal. The video encoder in communication with the video pre-processor receives a processed video signal and a processor information. A storage medium in communication with the video encoder stores an encoded video signal.Type: GrantFiled: September 5, 2019Date of Patent: October 26, 2021Assignee: TEXAS INSTRUMENTS INCORPORATEDInventors: Naveen Srinivasamurthy, Manoj Koul, Soyeb Nagori, Peter Labaziewicz, Kedar Chitnis
-
Patent number: 11159693Abstract: The purpose of the present invention is to reduce the number of components of an external device to reduce the cost of the external device. The electronic device according to the present technique is provided with: a battery installed unit in which a secondary battery is installed; a charging unit for charging the secondary battery on the basis of an external input power; and a connection unit for electrically connecting an external device in which a secondary battery is installed. The secondary battery installed in the external device is charged by means of the charging unit via the connection unit.Type: GrantFiled: January 12, 2018Date of Patent: October 26, 2021Assignee: SONY CORPORATIONInventors: Hideo Kawataki, Jumpei Kimura
-
Patent number: 11146721Abstract: In a communication system comprising a first communication apparatus and a second communication apparatus, the first communication apparatus transmits a first notification for connection processing in short-range wireless communication during an operation in a first power mode, and transmits a second notification, different from the first notification, for the connection processing in the short-range wireless communication during an operation in a second power mode in which power is saved more than in the first power mode. The second communication apparatus starts, if the first notification is received, the connection processing at an arbitrary timing, and starts, if the second notification is received, the connection processing at a timing restricted as compared to the case in which the first notification is received.Type: GrantFiled: December 14, 2018Date of Patent: October 12, 2021Assignee: Canon Kabushiki KaishaInventors: Kaori Ikeda, Toshiyuki Takagi
-
Patent number: 11140343Abstract: An image sensor may include an array of imaging pixels arranged in rows and columns. Each column of imaging pixels may be coupled to a respective column output line. Each column output line may be coupled to readout circuitry that includes an adjustable current source, sample and hold circuitry, and slew rate sensing and current source control circuitry. To decrease the settling time of the column output line, the slew rate sensing and current source control circuitry may increase the magnitude of a bias current provided by the adjustable current source when the slew rate of the output voltage is above a threshold. When the slew rate of the output voltage is below the threshold, the bias current may revert to a lower magnitude to conserve power.Type: GrantFiled: May 19, 2020Date of Patent: October 5, 2021Assignee: SEMICONDUCTOR COMPONENTS INDUSTRIES, LLCInventor: Shankar Ramakrishnan
-
Patent number: 11134211Abstract: In image processing apparatus, a sample hold unit samples and holds an output signal of the image sensor. A timing signal generating circuit generates a sampling clock to specify a sampling timing of the sample hold unit. A controller sets a phase of the sampling clock to the timing signal generating circuit. In an adjustment process that adjusts the phase of the sampling clock, the controller (a) causes the image sensor to scan a reference board, (b) sets predetermined plural phases to the timing signal generating circuit in turn, (c) calculates average values of image data obtained correspondingly to the plural phases and calculates a value of a parameter that indicates a fluctuation width of the average values, and (d) sets the phase of the sampling clock as a phase corresponding to the smallest value of the parameter.Type: GrantFiled: September 24, 2020Date of Patent: September 28, 2021Inventor: Akira Shimatani
-
Patent number: 11128824Abstract: A system has an array of pixels including a plurality of active pixels and a plurality of dark reference pixels and processing circuitry coupled to the array of pixels. The processing circuitry sequentially computes, for each of a plurality of pairs of sets of dark reference pixels of the plurality of dark reference pixels, absolute differences in dark signal levels of the pair of sets of dark reference pixels. The absolute differences in dark signal levels are accumulated and a noise level of the dark reference pixels of the array of pixels is estimated based on the accumulated absolute differences. The system may be employed in, for example, a back-up camera of an automobile or a mobile phone.Type: GrantFiled: December 11, 2019Date of Patent: September 21, 2021Assignee: STMICROELECTRONICS SAInventors: Arnaud Bourge, Antoine Drouot, Gwladys Hermant
-
Patent number: 11122232Abstract: The present disclosure provides a pixel collection circuit and an optical flow sensor including the pixel collection circuit. The pixel collection circuit at least includes a light intensity detector, a first state storage module, a second state storage module, a light intensity signal collection and storage module, and a time information storage module.Type: GrantFiled: September 24, 2020Date of Patent: September 14, 2021Assignee: OMNIVISION SENSOR SOLUTION (SHANGHAI) CO., LTDInventor: Shoushun Chen
-
Patent number: 11122230Abstract: An imaging apparatus of the present disclosure includes: a first switch that couples a first light-receiving device and a first charge accumulation section to each other; a second switch that couples a predetermined node and the first charge accumulation section to each other; a third switch that applies a predetermined voltage to the predetermined node; a fourth switch that couples a second light-receiving device and a second charge accumulation section to each other; a fifth switch that couples the second charge accumulation section and the predetermined node to each other; an output section that outputs a pixel voltage; a driving section; and a processor that determines first to fourth values.Type: GrantFiled: October 2, 2018Date of Patent: September 14, 2021Assignee: SONY SEMICONDUCTOR SOLUTIONS CORPORATIONInventors: Ryosuke Nakamura, Yorito Sakano, Atsushi Suzuki
-
Patent number: 11122204Abstract: There is provided an image capturing control apparatus. An image capturing control unit controls image capturing by an image capturing unit based on setting values of a plurality of setting items. A selection unit selects a setting item from among the plurality of setting items. A changing unit changes the setting value of the setting item selected by the selection unit to a setting value that is selected in accordance with a first operation from among a plurality of setting values that correspond to the selected setting item and a specific setting value to which one of the plurality of setting values that is automatically determined in accordance with predetermined processing is applied.Type: GrantFiled: June 9, 2020Date of Patent: September 14, 2021Assignee: Canon Kabushiki KaishaInventors: Yuki Fukushima, Yuta Masuda, Yuko Izaki
-
Patent number: 11108983Abstract: An imaging device supplies a first constant potential and a second constant potential to a photodiode through a first line and a second line to put the photodiode in a reverse-bias state. The imaging device reads a signal corresponding to the potential at the other end of the photodiode changed by light incident on the photodiode in the reverse-bias state. The imaging device supplies a potential that changes with time to a capacitive element through a control line so that a forward current flows through the photodiode disposed between the capacitive element and the first line after reading the signal.Type: GrantFiled: June 17, 2020Date of Patent: August 31, 2021Assignee: TIANMA JAPAN, LTD.Inventor: Hiroyuki Sekine
-
Patent number: 11102407Abstract: A powered device receives power from at least one of a first power supply and a second power supply having a voltage higher than a voltage of the first power supply. The powered device includes a first load unit, a second load unit electrically separated from the first load unit, and a changing unit configured to supply power from the first power supply to the first load unit and the second load unit in a case where the first power supply is connected to the powered device and the second power supply is not connected to the powered device, and supply power from the second power supply to the first load unit and from the first power supply to the second load unit in a case where the first power supply and the second power supply are connected to the powered device.Type: GrantFiled: September 4, 2019Date of Patent: August 24, 2021Assignee: Canon Kabushiki KaishaInventor: Tomohiro Kawamoto
-
Patent number: 11095809Abstract: An imaging system includes a body, a stage coupled to the body, and an actuator coupled to the body and the stage. The actuator is configured to move the stage in one or more directions relative to the body. The imaging system also includes a focal plane array including one or more detectors and coupled to the stage and a controller coupled to the actuator. The controller is configured to determine a velocity of the body and to cause the actuator to backscan the stage in the one or more directions at a drive velocity corresponding to the velocity of the body. Moreover, the controller is communicatively coupled to the one or more detectors and causes the one or more detectors to capture image data during the backscan.Type: GrantFiled: March 29, 2019Date of Patent: August 17, 2021Assignee: DRS Network & Imaging Systems, LLCInventors: Philip Ely, Mark Muzilla
-
Patent number: 11089270Abstract: A solid-state imaging device includes pixels arranged in matrix form, each including a photoelectric converter and first transfer electrodes, and control lines connected to mutually-corresponding ones of the first transfer electrodes in pixels arranged in a specific row. The pixels include first pixels that receive visible light and second pixels that receive infrared light. Each of floating diffusion layer-including pixels, which are some of the plurality of pixels, further includes a floating diffusion layer and a readout circuit. Each floating diffusion layer-lacking pixel shares the floating diffusion layer with one of the first pixels arranged in a column direction. At least some of the control lines are further connected to the first transfer electrodes of pixels arranged adjacent in the column direction to respective ones of the pixels arranged in the specific row and that share at least one of the floating diffusion layers.Type: GrantFiled: March 9, 2020Date of Patent: August 10, 2021Assignee: NUVOTON TECHNOLOGY CORPORATION JAPANInventors: Junichi Matsuo, Sei Suzuki
-
Patent number: 11082644Abstract: An image sensor including: a pixel array including a plurality of pixels connected to a plurality of row lines and a plurality of column lines, each of the plurality of pixels including a photodiode for generating an electric charge in response to light, and a pixel circuit having a floating diffusion for storing the electric charge; and a controller configured to adjust a capacitance of the floating diffusion to a first value and obtain a first pixel signal from the pixel circuit during a first time period, adjust the capacitance of the floating diffusion to a second value greater than the first value and obtain a second pixel signal from the pixel circuit during a second time period subsequent to the first time period, and generate a result image using the first pixel signal and the second pixel signal.Type: GrantFiled: November 5, 2019Date of Patent: August 3, 2021Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventor: Eun Sub Shim
-
Patent number: 11082603Abstract: The present disclosure relates to a terminal, a focusing method and apparatus. The terminal includes a ranging radar configured to obtain a reference distance between a target object to be focused and a camera module, wherein an antenna radiation angle of the ranging radar covers a viewing angle of the camera module, and wherein the camera module is configured to adjust a photographing focus of the camera module to a position where the target object is located based on the reference distance.Type: GrantFiled: August 30, 2019Date of Patent: August 3, 2021Assignee: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.Inventor: Xiankun Hu
-
Patent number: 11076099Abstract: An apparatus comprises a camera and one or more sensors. The camera generally has a low power deactivated mode. The one or more sensors are generally remotely located with respect to the camera. The one or more sensors may be configured to communicate a signal to the camera in response to a trigger condition. The camera is generally configured to activate in response to receiving the signal from the one or more sensors.Type: GrantFiled: September 30, 2019Date of Patent: July 27, 2021Assignee: Ambarella International LPInventor: Ruian Xu
-
Patent number: 11057549Abstract: In one aspect, a device includes at least one processor and storage accessible to the at least one processor. The storage includes instructions executable by the at least one processor to identify coordinates of a camera relative to a screen and to present on the screen a video stream next to the coordinates responsive to identifying the coordinates of the camera.Type: GrantFiled: August 16, 2019Date of Patent: July 6, 2021Assignee: Lenovo (Singapore) Pte. Ltd.Inventors: Jonathan Jen-Wei Yu, Aaron M. Stewart, Lincoln Penn Hancock, Jeffrey Earle Skinner, Alden Rose
-
Patent number: 11032498Abstract: A quantitative pulse count (event detection) algorithm with linearity to high count rates is accomplished by combining a high-speed, high frame rate camera with simple logic code run on a massively parallel processor such as a GPU. The parallel processor elements examine frames from the camera pixel by pixel to find and tag events or count pulses. The tagged events are combined to form a combined quantitative event image.Type: GrantFiled: March 19, 2018Date of Patent: June 8, 2021Assignee: The Regents of the University of Colorado, a bodyInventors: Justin Waugh, Daniel S. Dessau, Stephen P. Parham, Thomas Nummy, Justin Griffith, Xiaoqing Zhou, Haoxiang Li
-
Patent number: 11032474Abstract: An image capturing device includes an image capturing unit capturing an image at a timing based on a first frame rate and outputs data corresponding to the image after a first period, an image data generation unit generating image data based on the output data and outputting the image data after a second period, a display unit displaying a display image based on the image data after the second period and at a timing based on a second frame rate, and a mode selecting unit selecting a first or second mode. The first mode prioritizes reduction in a display delay time. The second mode prioritizes image quality of the display image over reduction in the display delay time. A total period of the first and second periods is less than or equal to a first vertical synchronization period based on the first frame rate when the first mode is selected.Type: GrantFiled: December 23, 2019Date of Patent: June 8, 2021Assignee: Seiko Epson CorporationInventor: Ryuichi Shiohara
-
Patent number: 11030728Abstract: An electronic device may be provided with a display. A content generator such as a camera may capture images in high dynamic range mode or standard dynamic range mode. The images may have associated image metadata such as face detection information, camera settings, color and luminance histograms, and image classification information. Control circuitry in the electronic device may determine tone mapping parameters for the captured images based on the image metadata. The tone mapping parameters for a given image may be stored with the image in the metadata file. When it is desired to display the image, the control circuitry may apply a tone mapping process to the image according to the stored tone mapping parameters. The algorithm that is used to determine tone mapping parameters based on image metadata may be based on user preference data gathered from a population of users.Type: GrantFiled: September 11, 2018Date of Patent: June 8, 2021Assignee: Apple Inc.Inventors: Ramin Samadani, Gregory B. Abbas, Teun R. Baar, Nicolas P. Bonnier, Victor M. de Araujo Oliveira, Zuo Xia