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. 24, 1992
Filed:
Apr. 04, 1991
Applicant:
Inventors:
Ken Matsubara, Osaka, JP;
Tsukasa Yagi, Osaka, JP;
Tomohiko Masuda, Osaka, JP;
Koji Wakamiya, Osaka, JP;
Itaru Saito, Itami, JP;
Kenichi Wada, Takatsuki, JP;
Hirohisa Kitano, Osaka, JP;
Assignee:
Minolta Camera Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01V / ;
U.S. Cl.
CPC ...
250205 ; 358 75 ; 359249 ;
Abstract
A light printer with a light shutter having an array of electro-optical elements is disclosed. The light printer provides with a detection circuit for monitoring temperature and/or time dependent variations regarding the electro-optical elements of the light shutter and a driving voltage control circuit for controlling an optimum driving voltage of the light shutter according to results detected by the detection circuit.