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:
Nov. 29, 1983
Filed:
Jan. 25, 1982
Applicant:
Inventors:
Shigeru Oyokota, Sakai, JP;
Nobuyuki Taniguchi, Sakai, JP;
Takeo Hoda, Sakai, JP;
Junichi Tanii, Sakai, JP;
Kiyoshi Seigenji, Sakai, JP;
Toshiaki Matsumoto, Izumisano, JP;
Assignee:
Minolta Camera Kabushiki Kaisha, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B / ; G03B / ; G01N / ; B65H / ;
U.S. Cl.
CPC ...
354 21 ; 354173 ; 354214 ; 354217 ; 250559 ; 226 45 ;
Abstract
A camera capable of functioning in accordance with informations received from a roll of film, and is provided with circuitry for generating first and second electric signals each changing in response to respective passages of the sprocket holes with a time lag provided between the changes in the first and second electric signals, with the sprocket hole signal indicative of the passage of sprocket holes being formed in response to the first and second electric signa