Flickerless television camera

Details Flickerless television camera Flickerless television camera

1987-10-22

1988-09-27

Ng, Jin F.

Facsimile and static presentation processing

Facsimile

Recording apparatus

358228, 35821313, H04N 5235, H04N 314

Patent

active

047745886

ABSTRACT:
Disclosed is a television camera in which the charge in photodiodes arranged in the form of matrix is cleared the accumulation period Ta before the charge is read out of the photodiodes, the accumulation period Ta being set to a value substantially integer times as large as the on-off period of a light source so as to make the charge accumulated in the photodiodes in the accumulated period Ta constant regardless of the on-off of the light source to thereby prevent generation of a flicker.

REFERENCES:
patent: 4595946 (1986-06-01), Uehara et al.
patent: 4691228 (1987-09-01), Nagano
patent: 4718768 (1988-01-01), Houki et al.

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