Photo signal processing apparatus

Photography – With exposure objective focusing means – focusing aid – or... – Having accumulation photoarray and time control means

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396135, 396246, G03B 1336, G03B 300

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active

RE0355151

ABSTRACT:
A photo signal processing apparatus which comprises a light receiving unit of charge accumulation type for outputting a data corresponding to a condition of light received thereby, a data processor for applying a predetermined processing to the data outputted from the light receiving unit, an accumulation initiating device for causing the light receiving unit to initiate a charge accumulating operation, an accumulation interrupting device for interrupting the charge accumulating operation of the light receiving unit, a counter for counting a time passed during a period subsequent to the start of the charge accumulating operation of the light receiving unit and until the termination of the charge accumulating operation of the light receiving unit, and a control unit for activating the accumulation initiating device at a timing required to interrupt the charge accumulating operation of the light receiving unit at the time of termination of the data processing performed by the data processor.

REFERENCES:
patent: 4387975 (1983-06-01), Araki
patent: 4460257 (1984-07-01), Ogasawara
patent: 4550993 (1985-11-01), Taniguchi et al.
patent: 4575212 (1986-03-01), Kitaura et al.
patent: 4609274 (1986-09-01), Iwashita et al.
patent: 4660955 (1987-04-01), Ishida et al.
patent: 4671640 (1987-06-01), Akada et al.
U.S. Patent Application Ser. No. 819,865.

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