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. 26, 1982
Filed:
Jun. 18, 1980
Applicant:
Inventors:
Fumihiro Miyagawa, Yokohama, JP;
Akira Takahashi, Kawasaki, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B / ; G03B / ;
U.S. Cl.
CPC ...
354106 ; 354217 ;
Abstract
A frame number counter is provided which counts a signal produced as a film is being conveyed, the count signal being applied to electrooptical digital display means to initiate the frame number of the film. The data which are displayed by the display means are entered onto a film surface by optical means. The display means is also capable of indicating the date and the time of day in response to an output from an electronic clock. A vibrating sound emitter is provided which becomes operative when the count in the frame number counter reaches a given value. It is also possible to provide a down counting operation of the counter.