Electronic still camera with power conservation facility

Details Electronic still camera with power conservation facility Electronic still camera with power conservation facility

1994-08-02

1995-05-02

Groody, James J.

Television

Camera, system and detail

Power supply

348375, 348333, 348374, 3589091, H04N 5225

Patent

active

054124255

ABSTRACT:
In an electronic still camera of the kind having a detachably mounted photo-taking optical system, an image sensor which converts into an electrical video signal an object image formed by the photo-taking optical system, a recording circuit which records the video signal and an electronic viewfinder which displays an image represented by the video signal obtained by the image sensor when the camera is in a shootable state, a confirmation member is arranged to confirm a mounted or detached state of the photo-taking optical system, and a driving-suspending and displaying-off control circuit is arranged to suspend a driving action on the image sensor and to turn off the electronic viewfinder when the detachment of the photo-taking optical system from the camera body is confirmed by the confirming member.

REFERENCES:
patent: 4404595 (1983-09-01), Ushiro
patent: 4746990 (1988-05-01), Katoh
patent: 4782355 (1988-11-01), Sakai
patent: 4901160 (1990-02-01), Kinoshita

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