1990-07-24
1991-10-01
Adams, Russell E.
G03B 726
Patent
active
050538047
ABSTRACT:
A camera of the kind operating under the control of a computer is arranged to shift an operating state of the computer from a normal mode to a hold mode for saving electric energy by detecting a drop in the voltage level of power supply during a load driving process or when an operation member is operated; and to prevent a faulty operation by varying, according to the kind of a load to be driven, a voltage-level-drop detecting level which is set for shifting the computer to the hold mode.
REFERENCES:
patent: 4645326 (1987-02-01), Kiuchi et al.
patent: 4662736 (1987-05-01), Taniguchi et al.
Odaka Yukio
Ohtsuka Masanori
Shiomi Yasuhiko
Adams Russell E.
Canon Kabushiki Kaisha
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