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公开(公告)号：US11418736B2
公开(公告)日：2022-08-16
申请号：US16855075
申请日：2020-04-22
发明人： Moo Young Kim , KyoungMin Koh , Woong Joo , Mira Lee , Kyung-Min Kim
摘要： An electronic circuit includes a unit pixel, a first clamp circuit, and a second clamp circuit. The unit pixel outputs a voltage having an output voltage level at a first output voltage level in a first time interval and at a second output voltage level in a second time interval different from the first time interval. The first clamp circuit is configured to clamp the output voltage level from the unit pixel to a first voltage level responsive to the first output voltage level being not greater than the first voltage level in the first time interval. The second clamp circuit is configured to clamp the output voltage level from the unit pixel to a second voltage level responsive to the second output voltage level being not greater than the second voltage level in the second time interval.
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公开(公告)号：US10666883B2
公开(公告)日：2020-05-26
申请号：US15940421
申请日：2018-03-29
发明人： Moo Young Kim , KyoungMin Koh , Woong Joo , Mira Lee , Kyung-Min Kim
摘要： An electronic circuit includes a unit pixel, a first clamp circuit, and a second clamp circuit. The unit pixel outputs a voltage having an output voltage level at a first output voltage level in a first time interval and at a second output voltage level in a second time interval different from the first time interval. The first clamp circuit is configured to clamp the output voltage level from the unit pixel to a first voltage level responsive to the first output voltage level being not greater than the first voltage level in the first time interval. The second clamp circuit is configured to clamp the output voltage level from the unit pixel to a second voltage level responsive to the second output voltage level being not greater than the second voltage level in the second time interval.
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公开(公告)号：US20240340549A1
公开(公告)日：2024-10-10
申请号：US18523624
申请日：2023-11-29
发明人： Sangwoo Kim , Moo Young Kim , Yunhong Kim , Hyunjong Kim , Chanmin Park , Mira Lee
IPC分类号： H04N25/709 , H04N25/76
CPC分类号： H04N25/709 , H04N25/76
摘要： Disclosed is an image sensor device which includes a pixel that outputs a first pixel signal to a first column line during a first time period and outputs a second pixel signal to the first column line during a second time period, and a clamp circuit that outputs a first clamp signal to the first column line during the first time period. During the first time period, a voltage of the first column line is determined based on the first pixel signal and the first clamp signal. The pixel operates based on a first power supply voltage, and the clamp circuit operates based on a second power supply voltage lower than the first power supply voltage.
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公开(公告)号：US20200252560A1
公开(公告)日：2020-08-06
申请号：US16855075
申请日：2020-04-22
发明人： Moo Young Kim , KyoungMin Koh , Woong Joo , Mira Lee , Kyung-Min Kim
摘要： An electronic circuit includes a unit pixel, a first clamp circuit, and a second clamp circuit. The unit pixel outputs a voltage having an output voltage level at a first output voltage level in a first time interval and at a second output voltage level in a second time interval different from the first time interval. The first clamp circuit is configured to clamp the output voltage level from the unit pixel to a first voltage level responsive to the first output voltage level being not greater than the first voltage level in the first time interval. The second clamp circuit is configured to clamp the output voltage level from the unit pixel to a second voltage level responsive to the second output voltage level being not greater than the second voltage level in the second time interval.
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公开(公告)号：US20190007632A1
公开(公告)日：2019-01-03
申请号：US15940421
申请日：2018-03-29
发明人： Moo Young Kim , KyoungMin Koh , Woong Joo , Mira Lee , Kyung-Min Kim
CPC分类号： H04N5/359 , H01L27/14634 , H04N5/3577 , H04N5/3595 , H04N5/3698 , H04N5/374 , H04N5/378
摘要： An electronic circuit includes a unit pixel, a first clamp circuit, and a second clamp circuit. The unit pixel outputs a voltage having an output voltage level at a first output voltage level in a first time interval and at a second output voltage level in a second time interval different from the first time interval. The first clamp circuit is configured to clamp the output voltage level from the unit pixel to a first voltage level responsive to the first output voltage level being not greater than the first voltage level in the first time interval. The second clamp circuit is configured to clamp the output voltage level from the unit pixel to a second voltage level responsive to the second output voltage level being not greater than the second voltage level in the second time interval.
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