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公开(公告)号：US11621675B2
公开(公告)日：2023-04-04
申请号：US17467519
申请日：2021-09-07
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Seungnam Choi , Yunjae Suh , Masamichi Ito , Junseok Kim
IPC: H04N5/351 , H04N5/357 , H04N5/374 , H04N5/378 , H03F1/26 , H03F3/16 , H03F1/34 , H03F3/72 , H04N5/3745
Abstract: An amplifier includes a first capacitor connected between an input node and a floating node, a second capacitor connected between the floating node and an output node, an amplifying element connected between a power supply voltage and the output node and operating in response to a voltage level of the floating node, a current bias source connected between the output node and a ground voltage, a first reset switch connected between the floating node and an intermediate node and operating in response to a reset bias, a second reset switch connected between the intermediate node and the output node and operating in response to the reset bias, and a reset bias generator circuit that outputs the reset bias in response to a reset signal. The reset bias is one of a reset voltage of the intermediate node, the power supply voltage, and the ground voltage.
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公开(公告)号：US11114983B2
公开(公告)日：2021-09-07
申请号：US16886899
申请日：2020-05-29
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Seungnam Choi , Yunjae Suh , Masamichi Ito , Junseok Kim
IPC: H04N5/351 , H04N5/357 , H04N5/374 , H04N5/335 , H04N5/355 , H03F1/02 , H03F1/26 , H03F3/16 , H04N5/3745
Abstract: An amplifier includes a first capacitor connected between an input node and a floating node, a second capacitor connected between the floating node and an output node, an amplifying element connected between a power supply voltage and the output node and operating in response to a voltage level of the floating node, a current bias source connected between the output node and a ground voltage, a first reset switch connected between the floating node and an intermediate node and operating in response to a reset bias, a second reset switch connected between the intermediate node and the output node and operating in response to the reset bias, and a reset bias generator circuit that outputs the reset bias in response to a reset signal. The reset bias is one of a reset voltage of the intermediate node, the power supply voltage, and the ground voltage.
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公开(公告)号：USRE49355E1
公开(公告)日：2023-01-03
申请号：US16533895
申请日：2019-08-07
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Yunjae Suh , Sung Ho Kim , Junseok Kim , Eric Hyunsurk Ryu
Abstract: A circuit configured to amplify a signal from which an offset is cancelled includes an amplifier including an input stage configured to receive an input signal, the amplifier configured to amplify the input signal and output the amplified signal, and a switch including a transistor configured to reset the amplifier in response to a reset signal, the transistor including a body node connecting the transistor to the circuit, the transistor being configured to form a current path between the body node of the transistor and the input stage of the amplifier.
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4.发明授权公开(公告)号：US11388361B2
公开(公告)日：2022-07-12
申请号：US16992330
申请日：2020-08-13
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Seol Namgung , Seungnam Choi , Jeongseok Kim , Junseok Kim , Jongwoo Bong , Yunjae Suh
IPC: H04N5/378 , H04N5/345 , H04N5/3745 , H04N5/357 , G06T5/50 , H01L27/146
Abstract: An imaging device, image sensor and method are provided. A first scanning operation is performed on a pixel array in a first direction by a first selection circuit to generate first frame data by first readout circuit. A second scanning operation is performed on the pixel array in a second direction different from the first direction to generate second frame data by a second selection circuit. The first and second frame data are merged into single frame data by an image signal processor.
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公开(公告)号：US20210067100A1
公开(公告)日：2021-03-04
申请号：US16886899
申请日：2020-05-29
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Seungnam Choi , Yunjae Suh , Masamichi Ito , Junseok Kim
IPC: H03F1/26 , H03F3/16 , H04N5/3745 , H04N5/357 , H04N5/351
Abstract: An amplifier includes a first capacitor connected between an input node and a floating node, a second capacitor connected between the floating node and an output node, an amplifying element connected between a power supply voltage and the output node and operating in response to a voltage level of the floating node, a current bias source connected between the output node and a ground voltage, a first reset switch connected between the floating node and an intermediate node and operating in response to a reset bias, a second reset switch connected between the intermediate node and the output node and operating in response to the reset bias, and a reset bias generator circuit that outputs the reset bias in response to a reset signal. The reset bias is one of a reset voltage of the intermediate node, the power supply voltage, and the ground voltage.
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Patent Agency Ranking
公开(公告)号：US10649544B2
公开(公告)日：2020-05-12
申请号：US15600135
申请日：2017-05-19
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Yunjae Suh , Keun Joo Park , Sung Ho Kim , Junseok Kim , Hyunsurk Ryu
IPC: G06F3/042 , G06F3/03 , G06F3/0354 , G06F3/038 , G06F3/041 , G01J1/02 , G01J1/42 , G02B27/00 , G01J1/44
Abstract: Provided is a data output device that includes an event array including a plurality of sensing elements; a first event identifier connected to a first sensing element among the plurality of sensing elements and configured to identify first element information corresponding to the first sensing element in response to the case where an event is detected by the first sensing element; a second event identifier connected to a second sensing element among the plurality of sensing elements and configured to identify second element information corresponding to the second sensing element in response to the case where the event is detected by the second sensing element; and an event output interface configured to output event information based on at least one of the first element information and the second element information.
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公开(公告)号：US12081889B2
公开(公告)日：2024-09-03
申请号：US18297233
申请日：2023-04-07
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Yunjae Suh , Junseok Kim , Hyunsurk Ryu , Keun Joo Park , Masamichi Ito
Abstract: An image sensor includes a CIS (CMOS image sensor) pixel, a DVS (dynamic vision sensor) pixel, and an image signal processor. The CIS pixel includes a photoelectric conversion device generating charges corresponding to an incident light and a readout circuit generating an output voltage corresponding to the generated charges. The DVS pixel detects a change in an intensity of the incident light based on the generated charges to output an event signal and does not include a separate photoelectric conversion device. The image signal processor allows the photoelectric conversion device to be connected to the readout circuit or the DVS pixel.
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公开(公告)号：US11902673B2
公开(公告)日：2024-02-13
申请号：US17719647
申请日：2022-04-13
Applicant: Samsung Electronics Co., Ltd.
Inventor： Minwon Seo , Jeongseok Kim , Hyunsurk Ryu , Yunjae Suh , Chang-Woo Shin , Woonhee Lee
CPC classification number: H04N23/76 , G06T5/003 , H04N23/45 , H04N23/71 , G06T2207/10152
Abstract: Disclosed is an electronic device which includes a dynamic vision sensor that includes a first pixel sensing a change in light intensity and generates an event signal based on the sensed change in light intensity, an illuminance estimator that estimates illuminance of a light, and a time delay compensator that calculates a time delay between a first time at which the change in light intensity occurs and a second time at which the first pixel senses the change in light intensity, based on the illuminance of the light, and to compensate for the time delay.
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公开(公告)号：US20210399689A1
公开(公告)日：2021-12-23
申请号：US17467519
申请日：2021-09-07
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Seungnam Choi , Yunjae Suh , Masamichi Ito , Junseok Kim
IPC: H03F1/26 , H03F3/16 , H04N5/357 , H04N5/351 , H04N5/3745
Abstract: An amplifier includes a first capacitor connected between an input node and a floating node, a second capacitor connected between the floating node and an output node, an amplifying element connected between a power supply voltage and the output node and operating in response to a voltage level of the floating node, a current bias source connected between the output node and a ground voltage, a first reset switch connected between the floating node and an intermediate node and operating in response to a reset bias, a second reset switch connected between the intermediate node and the output node and operating in response to the reset bias, and a reset bias generator circuit that outputs the reset bias in response to a reset signal. The reset bias is one of a reset voltage of the intermediate node, the power supply voltage, and the ground voltage.
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公开(公告)号：US11153517B2
公开(公告)日：2021-10-19
申请号：US17007320
申请日：2020-08-31
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Jeongseok Kim , Junseok Kim , Yunjae Suh , Seol Namgung , Jongwoo Bong , Seungnam Choi
Abstract: A dynamic vision sensor device includes a photo detector that outputs a detection signal based on light incident from outside, a log amplifier that receives the detection signal from the photo detector through a first node, amplifies the received detection signal, and outputs the amplified detection signal to a second node, a differencing amplifier that outputs a difference signal based on a change in an intensity of the amplified detection signal, and an event determination circuit that determines an event based on the difference signal. The log amplifier includes a first buffer connected between the first node and a third node, an amplifier connected between the third node and the second node, and a feedback circuit connected between the second node and the first node.
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