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公开(公告)号：US20230039433A1
公开(公告)日：2023-02-09
申请号：US17759338
申请日：2021-01-29
申请人： trinamiX GmbH
摘要： Disclosed herein is a device including at least one photoconductor configured for exhibiting an electrical resistance Rphoto dependent on an illumination of a light-sensitive region of the photoconductor; at least one photoconductor readout circuit, where the photoconductor readout circuit is configured for determining a differential voltage related to changes of the electrical resistance Rphoto of the photoconductor, where the photoconductor readout circuit includes at least one bias voltage source configured for applying at least one periodically modulated bias voltage to the photoconductor such that the electric output changes its polarity at least once; and at least one electrical circuit configured to balance the differential voltage at a given illumination level.
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公开(公告)号：US11791424B2
公开(公告)日：2023-10-17
申请号：US17759338
申请日：2021-01-29
申请人： trinamix GmbH
CPC分类号： H01L31/02016 , G01J1/44 , H01L31/09 , G01J2001/4446
摘要： A device includes at least one photoconductor configured for exhibiting an electrical resistance Rphoto dependent on an illumination of a light-sensitive region of the at least one photoconductor and at least one photoconductor readout circuit. The photoconductor readout circuit is configured for determining a differential voltage related to changes of the electrical resistance Rphoto of the photoconductor. The photoconductor readout circuit includes at least one bias voltage source configured for applying at least one periodically modulated bias voltage to the photoconductor such that the electric output changes its polarity at least once. The device further includes at least one electrical circuit configured to balance the differential voltage at a given illumination level.
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