Electronic exposure control system for a solid state imager

Details Electronic exposure control system for a solid state imager Electronic exposure control system for a solid state imager

1991-11-05

1993-08-03

Goldstein, Herbert

Facsimile and static presentation processing

Facsimile

Recording apparatus

35821313, H04M 5335

Patent

active

052334287

ABSTRACT:
A system and method for electronically controlling charge coupled device (CCD) light sensitivity. The present invention controls CCD light sensitivity by electrically controlling a CCD such that the CCD discharges charge for a percentage of a field integration period. In other words, the present invention electronically varies the CCD's exposure time. The present invention operates as follows. First, the present invention calculates a new exposure time for a field integration period. Second, the present invention electrically causes the CCD to discard charge accumulated by the CCD during the field integration period except during a portion of the field integration period defined by the new exposure time.

REFERENCES:
patent: 4800435 (1989-01-01), Ikeda et al.
patent: 4984002 (1991-01-01), Kokubo
patent: 5003398 (1991-03-01), Suzuki
patent: 5040070 (1991-08-01), Higashisutsumi et al.
patent: 5057926 (1991-10-01), Watanabe
Sales Brochure from Sekai Electronics of America, Inc., Sony Announces! XC-999 color camera.

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