- 专利标题： Optical biometric sensor with automatic gain and exposure control
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申请号： US17005742申请日： 2020-08-28
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公开(公告)号： US11450142B2公开(公告)日： 2022-09-20
- 发明人: Robert J. Gove , Alvin Jee
- 申请人： Synaptics Incorporated
- 申请人地址： US CA San Jose
- 专利权人： Synaptics Incorporated
- 当前专利权人： Synaptics Incorporated
- 当前专利权人地址： US CA San Jose
- 代理机构： Leydig, Voit & Mayer, Ltd.
- 主分类号： G06V40/13
- IPC分类号： G06V40/13 ; G06V40/12
摘要：
An optical imaging device for imaging a biometric input object is provided. The optical imaging device includes an optical sensor having an array of sensing elements. The optical sensor is configured to first read a first subset of sensing elements in the array of sensing elements; analyze the first read of the first subset of sensing elements to determine an ambient light condition; first alter an operating point of the optical imaging device based on the ambient light condition; and image the input object.
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