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公开(公告)号：US20180262665A1
公开(公告)日：2018-09-13
申请号：US15896807
申请日：2018-02-14
发明人： Hee Jae Jung , Jun Seok Kim , Hyun Surk Ryu , Yun Jae Suh , Bong Ki Son , Seol Namgung , Keun Joo Park
IPC分类号： H04N5/235 , G06T7/20 , G06F3/06 , H01L27/146
CPC分类号： H04N5/2351 , G06F3/0656 , G06T7/20 , G09G3/20 , G09G2310/0213 , G09G2360/142 , G09G2380/10 , H01L27/1463 , H04N5/351 , H04N5/3745 , H04N5/376
摘要： 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.
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公开(公告)号：US10516841B2
公开(公告)日：2019-12-24
申请号：US15866920
申请日：2018-01-10
发明人： Jun Seok Kim , Hyun Surk Ryu , Bong Ki Son , Yun Jae Suh , Hee Jae Jung , Keun Joo Park , Seol Namgung
IPC分类号： H04N5/374 , H04N5/341 , H01L27/146 , H04N5/378 , H04N5/232
摘要： 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.
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公开(公告)号：US12111206B2
公开(公告)日：2024-10-08
申请号：US17729320
申请日：2022-04-26
发明人： Seol Namgung , Jeongseok Kim , Yunjae Suh , Junseok Kim , Jongwoo Bong , Seungnam Choi
摘要： A vision sensor and an operating method of the vision sensor are provided. The vision sensor includes a pixel array including a plurality of pixels arranged in a form of a matrix; and a bias voltage generation circuit configured to provide a test bias voltage to the pixel array, wherein each of the plurality of pixels includes a sensing circuit configured to sense light and generate a first output voltage, wherein the first output voltage changes as the test bias voltage changes within a specific frame.
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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
发明人： Seol Namgung , Seungnam Choi , Jeongseok Kim , Junseok Kim , Jongwoo Bong , Yunjae Suh
IPC分类号： H04N5/378 , H04N5/345 , H04N5/3745 , H04N5/357 , G06T5/50 , H01L27/146
摘要： 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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5.发明授权公开(公告)号：US10855927B2
公开(公告)日：2020-12-01
申请号：US15896807
申请日：2018-02-14
发明人： Hee Jae Jung , Jun Seok Kim , Hyun Surk Ryu , Yun Jae Suh , Bong Ki Son , Seol Namgung , Keun Joo Park
IPC分类号： H04N5/235 , G06T7/20 , H01L27/146 , G09G3/20 , G06F3/06 , H04N5/3745 , H04N5/351 , H04N5/376
摘要： 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.
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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
发明人： Jeongseok Kim , Junseok Kim , Yunjae Suh , Seol Namgung , Jongwoo Bong , Seungnam Choi
摘要： 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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