Solid-state imaging device having high-speed shutter function

Details Solid-state imaging device having high-speed shutter function Solid-state imaging device having high-speed shutter function

1988-04-08

1989-06-13

Ng, Jin F.

Facsimile and static presentation processing

Facsimile

Recording apparatus

35821325, 35821326, 35821329, 358909, H04N 314, H04N 5335

Patent

active

048397342

ABSTRACT:
Storage charges held in a photosensitive section of a CCD, serving as a solid-state imaging device, are simultaneously transferred to a high-speed transfer section, in response to a field shift pulse from a driver. The high-speed transfer section then transfers the charges to a field memory, in unit of lines and at a high speed. The field memory includes first and second memory arrays each having a one-field memory capacity and corresponding to a high-speed transfer array in the high-speed transfer section. Charges from each high-speed transfer array are alternately transferred to the first and second field memory arrays by a gate controlled by gate pulses supplied from the driver. The charges stored in the first field memory array are read out and transferred by a line transfer section, in units of lines, thereby obtaining a video signal of an odd-numbered field. Thereafter, the charges stored in the second field memory array are read out and transferred by the line transfer section, in units of lines, thereby obtaining a video signal of an even-numbered field.

REFERENCES:
patent: 4180854 (1979-12-01), Walden et al.
patent: 4539596 (1985-09-01), Elabd
patent: 4598321 (1986-07-01), Elabd et al.
patent: 4603354 (1986-07-01), Hashimoto et al.
Kuroda et al., A New Configuration of CCD Imager with a Very Low Smear Level, 12/1981, pp. 319-320, Electronic Device Letters, vol. EDL-2, No. 12.
Japanese Article, Horii et al., FIT-CCD Image Sensor, Semiconductor Laboratory, Matsushita Electronics Corp., ITEJ Technical Report, vol. 10, No. 52, pp. 19-24. Feb./1987.

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