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. 04, 1977
Filed:
Apr. 07, 1975
Applicant:
Inventor:
Conrad H Biber, Needham, MA (US);
Assignee:
Polaroid Corporation, Cambridge, MA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05B / ;
U.S. Cl.
CPC ...
3152 / ; 315 86 ; 320-2 ;
Abstract
A preferential power distribution system for a battery powered camera having an electronic exposure control system, a film transport motor, and an electronic flash unit, in which recharging of the flash unit is controlled by a circuit which responds to the voltage of the battery to inhibit recharging when the battery voltage is low.
Biber, Conrad. (1977). Preferential power distribution system for battery powered camera having (U.S. Patent No. 4001639). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4001639
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile