Patents by Inventor Shigeru Ota
Shigeru Ota has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20250103626Abstract: An explanatory sentence generation unit of a vehicle image analysis device specifies a scene shown in an image received from a camera, reads, from a necessity table, recognition necessity information on an object in the image for each specified scene, recognizes, from the image, an object designated as requiring recognition based on the read recognition necessity information, generates an explanatory sentence for each object based on a recognition result thereof, generates a situation explanatory sentence of the image based on the specified scene and the explanatory sentence for each object, and stores the situation explanatory sentence of the image and the image in an explanatory sentence DB in association with each other.Type: ApplicationFiled: August 6, 2024Publication date: March 27, 2025Applicant: Hitachi, Ltd.Inventors: Kentaro YOSHIMURA, Haruki OISHI, Shigeru OTA
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Patent number: 12230219Abstract: A display driver includes a memory, a data driver, and a control circuit. The data driver is configured to: in a first mode, update a display panel based at least in part on a command provided to the display driver asynchronously with a display vertical sync signal; and in a second mode, update the display panel based at least in part on first image data stored in the memory in synchronization with the display vertical sync signal. The control circuit configured to: switch from the first mode to the second mode in response to a first command; and, in the second mode, adjust the display vertical sync signal based at least in part on an external vertical sync signal.Type: GrantFiled: November 9, 2023Date of Patent: February 18, 2025Assignee: Synaptics IncorporatedInventors: Hirokazu Hatayama, Makoto Takeuchi, Shigeru Ota
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Publication number: 20250013552Abstract: An information processing system includes circuitry configured to control display of a visual field evaluation screen including a first, a second and a third objects, the first object being displayed in a first region set in a central portion of a display screen, the second object moving in at least a part of the first region, and the third object being displayed in at least a part of a second region for a predetermined time, perform a first determination to determine whether a positional relationship between the first and the second objects satisfies a predetermined condition in response to a first manipulation input from a user, perform a second determination to determine a second manipulation input from the user while the third object is being displayed in the second region, and generate evaluation information for a visual field of the user based on the first and the second determination.Type: ApplicationFiled: September 20, 2024Publication date: January 9, 2025Applicants: SENDAI TELEVISION INCORPORATED, TOHOKU UNIVERSITYInventors: Toru NAKAZAWA, Takeshi YABANA, Hiroshi KURAUCHI, Shigeru OTA, Shinichiro UMEMORI, Ryoko NAKAITA
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Patent number: 11978386Abstract: A display system includes a first memory and a display driver. The display system is configured to control the first memory to receive compensation information from the first memory with a first frequency and generate data signals for image data to be displayed on a display panel. The generation of the data signals comprises performing a compensation for the data signals based on the compensation information received from the first memory. The display driver is further configured to update pixels of the display panel with the data signals during an active display state. The display driver is further configured to generate updated compensation information based at least in part on the image data and the compensation information received from the first memory and transmit the updated compensation information to the first memory during the active display state with a second frequency lower than the first frequency.Type: GrantFiled: February 24, 2023Date of Patent: May 7, 2024Assignee: Synaptics IncorporatedInventors: Atsushi Shikata, Takashi Uehara, Shigeru Ota
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Publication number: 20240071319Abstract: A display driver includes a memory, a data driver, and a control circuit. The data driver is configured to: in a first mode, update a display panel based at least in part on a command provided to the display driver asynchronously with a display vertical sync signal; and in a second mode, update the display panel based at least in part on first image data stored in the memory in synchronization with the display vertical sync signal. The control circuit configured to: switch from the first mode to the second mode in response to a first command; and, in the second mode, adjust the display vertical sync signal based at least in part on an external vertical sync signal.Type: ApplicationFiled: November 9, 2023Publication date: February 29, 2024Inventors: Hirokazu Hatayama, Makoto Takeuchi, Shigeru Ota
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Patent number: 11854491Abstract: A display driver includes a GRAM, a data driver, and a control circuit. The data driver is configured to: update, in a first mode, display elements of a display panel based on a command provided to the display driver asynchronously with a display vertical sync signal; update, in a second mode, the display elements based on image data stored in the GRAM in synchronization with the display vertical sync signal; and update, in a third mode, the display elements in synchronization with an external vertical sync signal. The control circuit is configured to: switch the display drive to a second mode in response to a first command; adjust, in the second mode, the display vertical sync signal based on an external vertical sync signal; and switch the display driver to the third mode after achieving synchronization of the display vertical sync signal with the external vertical sync signal.Type: GrantFiled: March 24, 2022Date of Patent: December 26, 2023Assignee: Synaptics IncorporatedInventors: Hirokazu Hatayama, Makoto Takeuchi, Shigeru Ota
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Publication number: 20230306913Abstract: A display driver includes a GRAM, a data driver, and a control circuit. The data driver is configured to: update, in a first mode, display elements of a display panel based on a command provided to the display driver asynchronously with a display vertical sync signal; update, in a second mode, the display elements based on image data stored in the GRAM in synchronization with the display vertical sync signal; and update, in a third mode, the display elements in synchronization with an external vertical sync signal. The control circuit is configured to: switch the display drive to a second mode in response to a first command; adjust, in the second mode, the display vertical sync signal based on an external vertical sync signal; and switch the display driver to the third mode after achieving synchronization of the display vertical sync signal with the external vertical sync signal.Type: ApplicationFiled: March 24, 2022Publication date: September 28, 2023Applicant: Synaptics IncorporatedInventors: Hirokazu Hatayama, Makoto Takeuchi, Shigeru Ota
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Publication number: 20230222958Abstract: A display system includes a first memory and a display driver. The display system is configured to control the first memory to receive compensation information from the first memory with a first frequency and generate data signals for image data to be displayed on a display panel. The generation of the data signals comprises performing a compensation for the data signals based on the compensation information received from the first memory. The display driver is further configured to update pixels of the display panel with the data signals during an active display state. The display driver is further configured to generate updated compensation information based at least in part on the image data and the compensation information received from the first memory and transmit the updated compensation information to the first memory during the active display state with a second frequency lower than the first frequency.Type: ApplicationFiled: February 24, 2023Publication date: July 13, 2023Applicant: Synaptics IncorporatedInventors: Atsushi Shikata, Takashi Uehara, Shigeru Ota
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Patent number: 11635845Abstract: A display driver comprises a touch controller configured to perform touch sensing on a display panel during a vertical sync period. A first field of the vertical sync period comprises a display period and a touch sensing period following the display period. A start timing of the touch sensing period is controlled by an internal clock signal. A first counter is configured to, responsive to completion of the touch sensing, start a counting operation in synchronization with the internal clock signal. Gate control signal generator circuitry is configured to control a gate driver that is configured to drive a plurality of gate lines of the display panel. A gate line that is to be driven first to a high level during a second field following the first field is driven to the high level responsive to a count value of the first counter during the first field.Type: GrantFiled: September 29, 2020Date of Patent: April 25, 2023Assignee: Synaptics Japan GKInventors: Makoto Takeuchi, Shigeru Ota, Atsushi Shikata, Kentaro Suzuki, Jiro Shimbo
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Patent number: 11615735Abstract: A display system includes a first memory and a display driver. The display system is configured to control the first memory to receive compensation information from the first memory with a first slew rate and generate data signals for image data to be displayed on a display panel. The generation of the data signals comprises performing a compensation for the data signals based on the compensation information received from the first memory. The display driver is further configured to update pixels of the display panel with the data signals during an active display state. The display driver is further configured to generate updated compensation information based at least in part on the image data and the compensation information received from the first memory and transmit the updated compensation information to the first memory during the active display state with a second slew rate lower than the first slew rate.Type: GrantFiled: August 31, 2022Date of Patent: March 28, 2023Assignee: Synaptics IncorporatedInventors: Atsushi Shikata, Takashi Uehara, Shigeru Ota
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Publication number: 20230073842Abstract: A display system includes a first memory and a display driver. The display system is configured to control the first memory to receive compensation information from the first memory with a first slew rate and generate data signals for image data to be displayed on a display panel. The generation of the data signals comprises performing a compensation for the data signals based on the compensation information received from the first memory. The display driver is further configured to update pixels of the display panel with the data signals during an active display state. The display driver is further configured to generate updated compensation information based at least in part on the image data and the compensation information received from the first memory and transmit the updated compensation information to the first memory during the active display state with a second slew rate lower than the first slew rate.Type: ApplicationFiled: August 31, 2022Publication date: March 9, 2023Applicant: Synaptics IncorporatedInventors: Atsushi Shikata, Takashi Uehara, Shigeru Ota
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Patent number: 11227563Abstract: A display driver chip includes interface circuitry, image data processing circuitry, and drive circuitry. The interface circuitry is configured to receive first frame image data for a first frame image. The image data processing circuitry includes a buffer memory configured to store at least part of the first frame image data. The image data processing circuitry is configured to supply, based on the at least part of the first frame image data stored in the buffer memory, first display data for a first display area of a plurality of display areas of a display panel having a zigzag pixel arrangement. The drive circuit is configured to drive a display element in the first display area based on the first display data.Type: GrantFiled: June 23, 2020Date of Patent: January 18, 2022Assignee: Synaptics IncorporatedInventors: Kentaro Suzuki, Shigeru Ota, Yoshitaka Iwasaki
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Patent number: 11194420Abstract: A processing system comprises interface circuitry and a timing controller. The interface circuitry is configured to receive a vertical sync period indicator that indicates a start of an external vertical sync period. The timing controller is configured to, in response to a change in a display frame rate, control timing of a display drive operation and a proximity sensing operation to maintain a proximity sensing frame rate based on input timing of the vertical sync period indicator to the interface circuitry. The processing system is configured to supply drive signals to display elements of a display panel in the display drive operation and acquire sensing signals from sensor electrodes of the display panel in the proximity sensing operation.Type: GrantFiled: November 19, 2019Date of Patent: December 7, 2021Assignee: Synaptics IncorporatedInventors: Atsushi Shikata, Shigeru Ota, Makoto Takeuchi, Jiro Shimbo, Kentaro Suzuki
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Patent number: 11151941Abstract: A display driver includes signal supply circuitry and a power source controller. The signal supply circuitry is configured to update a display panel during a refresh period and not update the display panel during a non-refresh period that follows the refresh period. The power source controller is configured to modify a high-side power source voltage supplied to the display panel at least during the non-refresh period.Type: GrantFiled: June 5, 2020Date of Patent: October 19, 2021Assignee: Synaptics IncorporatedInventors: Atsushi Shikata, Kazuhiro Okamura, Hirobumi Furihata, Shigeru Ota, Makoto Takeuchi
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Publication number: 20210149540Abstract: A processing system comprises interface circuitry and a timing controller. The interface circuitry is configured to receive a vertical sync period indicator that indicates a start of an external vertical sync period. The timing controller is configured to, in response to a change in a display frame rate, control timing of a display drive operation and a proximity sensing operation to maintain a proximity sensing frame rate based on input timing of the vertical sync period indicator to the interface circuitry. The processing system is configured to supply drive signals to display elements of a display panel in the display drive operation and acquire sensing signals from sensor electrodes of the display panel in the proximity sensing operation.Type: ApplicationFiled: November 19, 2019Publication date: May 20, 2021Inventors: Atsushi SHIKATA, Shigeru OTA, Makoto TAKEUCHI, Jiro SHIMBO, Kentaro SUZUKI
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Publication number: 20210027741Abstract: A display driver chip includes interface circuitry, image data processing circuitry, and drive circuitry. The interface circuitry is configured to receive first frame image data for a first frame image. The image data processing circuitry includes a buffer memory configured to store at least part of the first frame image data. The image data processing circuitry is configured to supply, based on the at least part of the first frame image data, supply a first display data for a first display area of a plurality of display areas of a display panel having a zigzag pixel arrangement. The drive circuit is configured to drive a display element in the first display area based on the first display data.Type: ApplicationFiled: June 23, 2020Publication date: January 28, 2021Inventors: Kentaro Suzuki, Shigeru Ota, Yoshitaka Iwasaki
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Publication number: 20210011575Abstract: A display driver comprises a touch controller configured to perform touch sensing on a display panel during a vertical sync period. A first field of the vertical sync period comprises a display period and a touch sensing period following the display period. A start timing of the touch sensing period is controlled by an internal clock signal. A first counter is configured to, responsive to completion of the touch sensing, start a counting operation in synchronization with the internal clock signal. Gate control signal generator circuitry is configured to control a gate driver that is configured to drive a plurality of gate lines of the display panel. A gate line that is to be driven first to a high level during a second field following the first field is driven to the high level responsive to a count value of the first counter during the first field.Type: ApplicationFiled: September 29, 2020Publication date: January 14, 2021Inventors: Makoto TAKEUCHI, Shigeru OTA, Atsushi SHIKATA, Kentaro SUZUKI, Jiro SHIMBO
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Patent number: 10802645Abstract: A display driver comprises a touch controller configured to perform touch sensing on a display panel during a vertical sync period. A first field of the vertical sync period comprises a display period and a touch sensing period following the display period. A start timing of the touch sensing period is controlled by an internal clock signal. A first counter is configured to, responsive to completion of the touch sensing, start a counting operation in synchronization with the internal clock signal. Gate control signal generator circuitry is configured to control a gate driver that is configured to drive a plurality of gate lines of the display panel. A gate line that is to be driven first to a high level during a second field following the first field is driven to the high level responsive to a count value of the first counter during the first field.Type: GrantFiled: September 13, 2018Date of Patent: October 13, 2020Assignee: Synaptics Japan GKInventors: Makoto Takeuchi, Shigeru Ota, Atsushi Shikata, Kentaro Suzuki, Jiro Shimbo
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Patent number: 10643515Abstract: A display driver includes: a memory comprising a plurality of memory regions each configured to store image data for one line of an image displayed in a frame; and control circuitry configured to adjust a number of in-use memory regions of the plurality of memory regions used to store the image data. The control circuitry is further configured to control the memory so that image data for respective lines of the image are cyclically stored in the in-use memory regions in a fixed order.Type: GrantFiled: September 20, 2018Date of Patent: May 5, 2020Assignee: Synaptics Japan GKInventors: Kentaro Suzuki, Atsushi Shikata, Jiro Shimbo, Makoto Takeuchi, Shigeru Ota
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Publication number: 20190095033Abstract: A display driver comprises a touch controller configured to perform touch sensing on a display panel during a vertical sync period. A first field of the vertical sync period comprises a display period and a touch sensing period following the display period. A start timing of the touch sensing period is controlled by an internal clock signal. A first counter is configured to, responsive to completion of the touch sensing, start a counting operation in synchronization with the internal clock signal. Gate control signal generator circuitry is configured to control a gate driver that is configured to drive a plurality of gate lines of the display panel. A gate line that is to be driven first to a high level during a second field following the first field is driven to the high level responsive to a count value of the first counter during the first field.Type: ApplicationFiled: September 13, 2018Publication date: March 28, 2019Inventors: Makoto Takeuchi, Shigeru Ota, Atsushi Shikata, Kentaro Suzuki, Jiro Shimbo