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:
Feb. 23, 1982
Filed:
Apr. 14, 1980
Applicant:
Inventors:
Yoshiakai Ohtsubo, Kawasaki, JP;
Sakuji Watanabe, Warabi, JP;
Assignee:
Nippon Kogaku K.K., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B / ; G03B / ;
U.S. Cl.
CPC ...
354 50 ; 354 / ;
Abstract
There is disclosed an alarm device for an automatic exposure control device for a camera wherein the output of a circuit for setting shutter speed or aperture value to a predetermined value during use of a strobe is utilized as the standard level of the alarm device to effect an alarm of shutter speed or aperture value, the circuit being of simple construction and highly accurate.