Telecine apparatus including an electro-optical image transducer

Details Telecine apparatus including an electro-optical image transducer Telecine apparatus including an electro-optical image transducer

1986-02-05

1988-07-05

Ng, Jin F.

Facsimile and static presentation processing

Facsimile

Recording apparatus

358223, H04N 5253

Patent

active

047558750

ABSTRACT:
A telecine apparatus uses a line array electro-optical image transducer which is illuminated with bias light in addition to the projection light passing through the film. The bias light serves to operate the transducer on a linear portion of its characteristic, and the bias light is pulsed on during the integration periods of the transducer so as to give an accurate and reproducible control of the bias value. The transducer itself has a controllable variable integration period.

REFERENCES:
patent: 2579971 (1951-12-01), Schade
patent: 3718752 (1973-02-01), Katsuta et al.
patent: 4080624 (1978-03-01), Ando et al.
patent: 4359759 (1982-11-01), McBride et al.

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