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:
Mar. 03, 1992
Filed:
Feb. 20, 1990
Applicant:
Inventors:
Ken Matsubara, Osaka, JP;
Itaru Saito, Osaka, JP;
Hirohisa Kitano, Osaka, JP;
Kouichi Shingaki, Osaka, JP;
Tomohiko Masuda, Osaka, JP;
Kenichi Wada, Osaka, JP;
Koji Wakamiya, Osaka, JP;
Tsukasa Yagi, Osaka, JP;
Atsushi Fujita, Osaka, JP;
Assignee:
Minolta Camera Kabushiki Kaisha, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01D / ;
U.S. Cl.
CPC ...
346160 ; 346-11 ; 346154 ;
Abstract
A method of driving an electro-optical light shutter for use in a recording apparatus. According to the method, an electric field of a predetermined direction is applied to the light shutter during a recording period and a further electric field having a direction opposite to the predetermined direction is applied to the light shutter during a waiting period.