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. 24, 1984
Filed:
Feb. 17, 1982
Applicant:
Inventors:
Tomonori Iwashita, Fuchu, JP;
Yukio Mashimo, Kawasaki, JP;
Hidehiko Fukahori, Yokohama, JP;
Yoshitaka Watanabe, Tokyo, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B / ;
U.S. Cl.
CPC ...
35417311 ;
Abstract
An auxiliary power source device to be connected in series to the power source of the motor driven device built in the camera or attachable on the camera so as to increase the winding speed of the camera, so designed that the auxiliary power source device is provided with the load current detecting means in such a manner that the current delivered from the auxiliary power source device to the camera reaches a certain determined value the output voltage of the auxiliary power source device is lowered by means of the output of the load current detecting means.