The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
May. 03, 1994

Filed:

Dec. 31, 1992
Applicant:
Inventors:

Bonjeong Goo, Kyeongsangnam, KR;

Byeongjun Moon, Kyeongsangnam, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B / ;
U.S. Cl.
CPC ...
354484 ;
Abstract

An auto power cut-off device for camera and a driving method which can automatically close an automatic lens cap and concurrently cut-off power supplied to an auxiliary circuit in case that a user does not use a camera during a predetermined time after supplying the power to the camera. The auto power cut-off device is constituted by a switch block including a power control for staring the operation of the automatic camera, an encoder switch which can be varied according to the state of the automatic camera, and an operation switch for controlling the operation of the camera. The power cut-off device also has a micro controller of outputting a signal to block the power supplied to the auxiliary circuits in case that the automatic camera is not used during a predetermined period after operation of the automatic camera beings; and a power control means for blocking the power supplied to the auxiliary circuits in case that the power cut-off signal is inputted from the micro controller.


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