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.
Patent No.:
Date of Patent:
Jan. 06, 2004
Filed:
Feb. 13, 2002
Applicant:
Inventor:
Hiroyuki Takahashi, Tochigi, JP;
Assignee:
Pentax Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B 7/26 ; G03B 1/700 ;
U.S. Cl.
CPC ...
G03B 7/26 ; G03B 1/700 ;
Abstract
An electric power control device for a camera is provided. The electric power control device includes an electric power source, a monitoring processor, a detecting processor and a control processor in a camera body. The electric power source provides power to an accessory, such as a photographing lens that can be attached to the camera body. The monitoring processor monitors the electric power and the detecting processor detects whether the electric power is abnormal based on a signal from the monitoring processor.