Television – Camera – system and detail – Solid-state image sensor
Patent
1996-08-19
2000-10-31
Garber, Wendy
Television
Camera, system and detail
Solid-state image sensor
348308, 2502081, H04N 314
Patent
active
061410489
ABSTRACT:
The image capture device incorporates an array of photodetectors, utilizing an integral current mirror formed at each photodetector location to increase photodetector current output. A correlated double sampling circuit is also formed at each photodetector location to sum the current generated by the current mirror over each exposure period, so as to produce a voltage proportional to the radiation intensity incident at each photodetector location. The correlated double sampling circuit is used to reduce noise in the photodetected signal and to eliminate the effect of dark current. Combining the image capture device with a unique lenslet array forms an extremely compact optical array camera. An embodiment with a mechanical shutter is also disclosed.
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Eastman Kodak Company
Garber Wendy
Leimbach James D.
Moe Aung S.
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