Camera display circuit

Details Camera display circuit Camera display circuit

1993-03-18

1994-01-04

Gellner, Michael L.

35412712, G03B 1718, G03B 1502

Patent

active

052764770

ABSTRACT:
A camera in accordance with the invention includes a display circuit that uses the decay voltage of a storage capacitor to determine the time interval during which an information display of the camera will be illuminated. When the storage capacitor decay voltage falls below a predetermined value, power to the information display is removed. The storage capacitor is used to power another camera system and therefore is not an additional component necessary for the display circuit alone.

REFERENCES:
patent: 4250413 (1981-02-01), Kawasaki et al.
patent: 4269496 (1981-05-01), Motoori et al.
patent: 4350426 (1982-09-01), Urata
patent: 4430602 (1984-02-01), Ohmori
patent: 4522479 (1985-06-01), Yamada et al.
patent: 5101335 (1992-03-01), Ludden et al.

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