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:
Jun. 21, 1983
Filed:
Mar. 17, 1982
Applicant:
Inventors:
Assignee:
Nippon Kogaku K.K., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B / ;
U.S. Cl.
CPC ...
354 50 ; 354 / ; 354266 ;
Abstract
In a camera having a capacitor connected between DC power source lines and at least one electrical circuit connected between the power source lines, each of the electrical circuits including a semiconductor switch element in the current route between the power source lines for interrupting the current flowing through the circuit, a device for controlling the power supply to each of the electrical circuits includes main switch means provided between the power source lines for applying a bias current to the semiconductor element.