Invention Grant
- Patent Title: Control circuit for infrared detectors, imaging device, and control method for infrared detectors
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Application No.: US16658588Application Date: 2019-10-21
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Publication No.: US11323636B2Publication Date: 2022-05-03
- Inventor: Yasuo Matsumiya
- Applicant: FUJITSU LIMITED
- Applicant Address: JP Kawasaki
- Assignee: FUJITSU LIMITED
- Current Assignee: FUJITSU LIMITED
- Current Assignee Address: JP Kawasaki
- Agency: Fujitsu Patent Center
- Priority: JPJP2018-213210 20181113
- Main IPC: H04N5/33
- IPC: H04N5/33 ; H04N5/374 ; H01L27/146

Abstract:
A control circuit for infrared detectors, includes: a driving circuit configured to drive a plurality of infrared detectors and generates, for each frame, a signal according to infrared rays incident on the plurality of infrared detectors; a holding circuit configured to hold a first signal generated by the driving circuit in a first frame and a second signal generated by the driving circuit in a second frame before the first frame; a difference calculation circuit configured to calculate a difference between the first signal and the second signal; and an amplifier circuit configured to amplify and output the difference calculated by the difference calculation circuit.
Public/Granted literature
- US20200154062A1 CONTROL CIRCUIT FOR INFRARED DETECTORS, IMAGING DEVICE, AND CONTROL METHOD FOR INFRARED DETECTORS Public/Granted day:2020-05-14
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