Video camera with built-in secondary battery

Details Video camera with built-in secondary battery Video camera with built-in secondary battery

1997-03-04

1998-07-21

Boudreau, Leo

Television

Camera, system and detail

Power supply

348375, 396301, 396279, H04N 5225, H04N 5222

Patent

active

057841055

ABSTRACT:
A video camera comprises a built-in secondary battery, a terminal used for connection with an external power source, and a main switch for controlling the supply of electric power to a circuit part provided for a control system and a signal processing system. The video camera is arranged such that the circuit part is connected to the built-in secondary battery or to the external power source when the main switch is closed and that the built-in secondary battery can be connected to the external power source when the main switch is open.

REFERENCES:
patent: 4782355 (1988-11-01), Sasaki et al.
patent: 4792762 (1988-12-01), Shinna et al.
patent: 4920307 (1990-04-01), Iketani
patent: 4965462 (1990-10-01), Crawford
patent: 5164761 (1992-11-01), Isono et al.
patent: 5220369 (1993-06-01), Sasaki
patent: 5424800 (1995-06-01), Suzuki

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