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:
Oct. 30, 1990
Filed:
Apr. 06, 1989
Applicant:
Inventors:
Kenjiro Ishii, Osaka, JP;
Fumio Fukumoto, Osaka, JP;
Koichi Nagata, Osaka, JP;
Akira Shibata, Tokyo, JP;
Assignee:
Minolta Camera Kabushiki Kaisha, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B / ;
U.S. Cl.
CPC ...
355 40 ; 355 41 ; 355 54 ;
Abstract
A method and apparatus for additionally photographing information for retrieval during the photographing of an original image on a microfilm is disclosed. A slit light from a light source is projected on the microfilm while the microfilm is being transported. The length of the information for retrieval to be additionally photographed on the microfilm can be freely set by controlling the period of the projection of the light on the microfilm. One displaying device is adapted to project light in the pattern of one numeral on the microfilm while the microfilm is at rest.