Power source device with reserve power source for camera

Details Power source device with reserve power source for camera Power source device with reserve power source for camera

1986-03-13

1987-10-06

Gellner, Michael L.

B03B 726

Patent

active

046979093

ABSTRACT:
A device for supplying an electric energy to an electric device of a camera includes, first power source means in which a first cell is loaded that has a given output capacity sufficient for the electric device to exert its function, second power source means in which a second cell is loaded that has a given output capacity sufficient for the electric device to exert its function, and switching means to be operatively changed between a first switching state where the electric device is connected to the first power source means and a second switching state where the electric device is connected to the second power source means. Furthermore, the device includes responsive means responsive to the loading operation of the first cell for causing the switching means to change to the first switching state.

REFERENCES:
patent: 4041514 (1977-08-01), Johnson
patent: 4091395 (1978-05-01), Kozuki et al.
patent: 4200374 (1980-04-01), Shimizu et al.

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