公开(公告)号：US10917594B2

公开(公告)日：2021-02-09

申请号：US16725131

申请日：2019-12-23

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Yun Jae Suh ,  Sung Ho Kim ,  Jun Seok Kim ,  Hyun Surk Ryu

IPC: H04N5/361 ,  H04N5/3745 ,  H04N5/341

Abstract: An event-based sensor includes: a pixel array configured to output activation signals in response to an input to the pixel array; and a controller configured to output a control signal for supplying a first photocurrent generated in a first pixel of the pixel array to a second pixel of the pixel array.

公开(公告)号：US11582410B2

公开(公告)日：2023-02-14

申请号：US17471459

申请日：2021-09-10

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jong Woo Bong ,  Yun Jae Suh ,  Seung Nam Choi ,  Jun Seok Kim

IPC: H04N5/355 ,  H04N5/343 ,  H04N5/369 ,  H04N5/3745 ,  H04N5/361

Abstract: A dynamic vision sensor may include a pixel array including at least a first photoreceptor and a second photoreceptor, the first photoreceptor and the second photoreceptor including at least one first pixel and at least one second pixel, respectively, the at least one first pixel and the at least one second pixel configured to generate at least one first photocurrent and at least one second photocurrent in response to an incident light, respectively, and the first photoreceptor and the second photoreceptor configured to a first and second log voltages based on the at least one first photocurrent and the at least one second photocurrent, respectively, processing circuitry configured to, amplify the first and second log voltages, detect a change in intensity of the light based on the amplified first log voltage, the amplified second log voltage, and a reference voltage, and output an event signal corresponding to the detected value.

公开(公告)号：US10516838B2

公开(公告)日：2019-12-24

申请号：US15627555

申请日：2017-06-20

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Yun Jae Suh ,  Sung Ho Kim ,  Jun Seok Kim ,  Hyun Surk Ryu

IPC: H04N5/361 ,  H04N5/341 ,  H04N5/3745

Abstract: An event-based sensor includes: a pixel array configured to output activation signals in response to an input to the pixel array; and a controller configured to output a control signal for supplying a first photocurrent generated in a first pixel of the pixel array to a second pixel of the pixel array.

公开(公告)号：US10855927B2

公开(公告)日：2020-12-01

申请号：US15896807

申请日：2018-02-14

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hee Jae Jung ,  Jun Seok Kim ,  Hyun Surk Ryu ,  Yun Jae Suh ,  Bong Ki Son ,  Seol Namgung ,  Keun Joo Park

IPC: H04N5/235 ,  G06T7/20 ,  H01L27/146 ,  G09G3/20 ,  G06F3/06 ,  H04N5/3745 ,  H04N5/351 ,  H04N5/376

Abstract: An event detecting device may include an event signal generator configured to output a plurality of event signals, each including a first data and a second data having mutually complementary attributes and respective address data indicating positions of pixels having output the first data and the second data, a data manager configured to store one of the first data and the second data of a first one of the plurality of event signals and the respective address data in a buffer as first sub data when only one of the first data and the second data of the first one of the plurality of event signals includes the event information, and an output signal generator configured to generate an output signal using the first sub data and a second sub data when the second sub data, different from the first sub data, is stored in the buffer.

公开(公告)号：US20180262703A1

公开(公告)日：2018-09-13

申请号：US15866920

申请日：2018-01-10

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jun Seok Kim ,  Hyun Surk Ryu ,  Bong Ki Son ,  Yun Jae Suh ,  Hee Jae Jung ,  Keun Joo Park ,  SeoI Namgung

IPC: H04N5/374 ,  H01L27/146 ,  H04N5/341 ,  H04N5/378 ,  H04N5/232

CPC classification number: H04N5/3741 ,  H01L27/14603 ,  H01L27/14609 ,  H04N5/232 ,  H04N5/341 ,  H04N5/3415 ,  H04N5/3742 ,  H04N5/378

Abstract: A pixel includes a photoelectric device, a current readout unit configured to detect an electric current flowing in the photoelectric device to generate an input voltage, an event determination unit configured to determine an event occurrence and an event type responsive to the input voltage, and configured to output an event detection signal, and an event output unit configured to store the event detection signal for an event-storage period and configured to output the stored event detection signal responsive to an expiration of the event-storage period.

公开(公告)号：US12061115B2

公开(公告)日：2024-08-13

申请号：US18169955

申请日：2023-02-16

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Yun Jae Suh ,  Sung Ho Kim ,  Jun Seok Kim

IPC: G01J1/44 ,  G01J1/02 ,  H03F3/45 ,  G01J1/18

CPC classification number: G01J1/44 ,  G01J1/0238 ,  H03F3/45071 ,  G01J1/18 ,  G01J2001/446

Abstract: A data output device is provided. The data output device includes a converter circuit configured to generate a conversion signal based on an output signal; a boosting circuit configured to generate a boosting signal based on the output signal; and an output circuit configured to generate the output signal based on an input signal and a feedback signal, the feedback signal being based on the conversion signal and the boosting signal.

公开(公告)号：US11604092B2

公开(公告)日：2023-03-14

申请号：US17473029

申请日：2021-09-13

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Yun Jae Suh ,  Sung Ho Kim ,  Jun Seok Kim

IPC: G01J1/44 ,  H03F3/45 ,  G01J1/02 ,  G01J1/18

Abstract: A data output device is provided. The data output device includes a converter circuit configured to generate a conversion signal based on an output signal; a boosting circuit configured to generate a boosting signal based on the output signal; and an output circuit configured to generate the output signal based on an input signal and a feedback signal, the feedback signal being based on the conversion signal and the boosting signal.

公开(公告)号：US10516841B2

公开(公告)日：2019-12-24

申请号：US15866920

申请日：2018-01-10

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jun Seok Kim ,  Hyun Surk Ryu ,  Bong Ki Son ,  Yun Jae Suh ,  Hee Jae Jung ,  Keun Joo Park ,  Seol Namgung

IPC: H04N5/374 ,  H04N5/341 ,  H01L27/146 ,  H04N5/378 ,  H04N5/232

Abstract: A pixel includes a photoelectric device, a current readout unit configured to detect an electric current flowing in the photoelectric device to generate an input voltage, an event determination unit configured to determine an event occurrence and an event type responsive to the input voltage, and configured to output an event detection signal, and an event output unit configured to store the event detection signal for an event-storage period and configured to output the stored event detection signal responsive to an expiration of the event-storage period.

公开(公告)号：US12250467B2

公开(公告)日：2025-03-11

申请号：US17019536

申请日：2020-09-14

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hee Jae Jung ,  Jun Seok Kim ,  Hyun Surk Ryu ,  Yun Jae Suh ,  Bong Ki Son ,  Seol Namgung ,  Keun Joo Park

IPC: H04N23/71 ,  G06F3/06 ,  G06T7/20 ,  G09G3/20 ,  H01L27/146 ,  H04N25/50 ,  H04N25/74 ,  H04N25/77

Abstract: An event detecting device may include an event signal generator configured to output a plurality of event signals, each including a first data and a second data having mutually complementary attributes and respective address data indicating positions of pixels having output the first data and the second data, a data manager configured to store one of the first data and the second data of a first one of the plurality of event signals and the respective address data in a buffer as first sub data when only one of the first data and the second data of the first one of the plurality of event signals includes the event information, and an output signal generator configured to generate an output signal using the first sub data and a second sub data when the second sub data, different from the first sub data, is stored in the buffer.

公开(公告)号：US11125615B2

公开(公告)日：2021-09-21

申请号：US16540724

申请日：2019-08-14

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Yun Jae Suh ,  Sung Ho Kim ,  Jun Seok Kim

IPC: G01J1/44 ,  H03F3/45 ,  G01J1/02 ,  G01J1/18

Abstract: A data output device is provided. The data output device includes a converter circuit configured to generate a conversion signal based on an output signal; a boosting circuit configured to generate a boosting signal based on the output signal; and an output circuit configured to generate the output signal based on an input signal and a feedback signal, the feedback signal being based on the conversion signal and the boosting signal.