Television – Camera – system and detail – Solid-state image sensor
Patent
1997-03-12
1999-01-05
Garber, Wendy
Television
Camera, system and detail
Solid-state image sensor
348230, 348273, 348314, 348317, 386 81, H04N 5335, H04N 5235
Patent
active
058568450
ABSTRACT:
An imaging device has a photosensitive array, a vertical transfer CCD array, a horizontal transfer CCD, a drain region, drain gates, a drive circuit and a processing circuit. An electric charge accumulated in the photosensitive array is first transferred to the vertical transfer CCD array, and then transferred from the vertical transfer CCD array to the horizontal transfer CCD. The electric charge held in the horizontal transfer CCD is transferred to the drain region at a predetermined timing defined by to a slow motion ratio N. The slow motion operation can be changed independently of the frequencies of the CCD drive signals. Therefore, the power consumption is much reduced and a slow motion ratio can be obtained.
REFERENCES:
patent: 4685002 (1987-08-01), Powers
patent: 4890165 (1989-12-01), Hasegawa
patent: 4985758 (1991-01-01), Hashimoto
patent: 5239418 (1993-08-01), Tyler et al.
Hiroyaki Matsumoto, Tetsuo Ando, Yasuo Kanoh, Seisuke Yamanaka and Shigeyuki Ochi, "A Zigzag Transfer CCD Imager" article of 1978 IEEE International Solid-State Circuits Conference, pp. 41-43.
Ide Hirokazu
Murata Haruhiko
Garber Wendy
Sanyo Electric Co,. Ltd.
Vu Ngoc-Yen
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