Camera with well defined shutter and suitable for recording tele

Details Camera with well defined shutter and suitable for recording tele Camera with well defined shutter and suitable for recording tele

1988-08-02

1990-05-22

Groody, James J.

Facsimile and static presentation processing

Facsimile

Recording apparatus

35821325, H04N 5232

Patent

active

049281801

ABSTRACT:
A camera including a solid-state sensor (FT) of the charge transfer type, particularly a frame transfer sensor having a pick-up member (PP), a storage member (MP) and a parallel-in, series-out shift register member (SR), in which the number a of rows of radiation-sensitive pick-up elements (P) is larger than the number b of rows of storage elements (M) may be utilized for generating a picture signal which in television and cinematographic display has a picture definition in the field scanning direction which is increased by a factor of a/b. To this end the camera is provided with a specific shutter device (SH, SM) for shutting off a light radiation path (LP) towards the sensor pick-up member (PP) during a minimum shutter time which comprises a field blanking period and a fraction of a field scanning period, both of which durations combined form a field period, which fraction is equal to ##EQU1##

REFERENCES:
patent: 4499496 (1985-02-01), Tanaka et al.
patent: 4597015 (1986-06-01), Johnson
patent: 4603354 (1986-07-01), Hashimoto et al.

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