Weak camera battery warning circuit

Details Weak camera battery warning circuit Weak camera battery warning circuit

1977-08-29

1978-09-12

Gellner, Michael L.

354 60R, G03B 700, G03B 1700

Patent

active

041141768

ABSTRACT:
A weak camera battery condition is sensed by a transistor 19 whose conduction is controlled by a voltage divider 20, 21 connected across the battery 22, and in response thereto:

REFERENCES:
patent: 3804520 (1974-04-01), Moda et al.
patent: 3925771 (1975-12-01), Satake
patent: 3947855 (1976-03-01), Inoue et al.

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