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:
Dec. 24, 1985
Filed:
Dec. 28, 1983
Applicant:
Inventor:
Mitsuhiro Tokuhara, Chigasaki, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01D / ;
U.S. Cl.
CPC ...
346160 ; 346107 ; 350174 ; 350337 ; 350345 ; 350388 ; 350401 ;
Abstract
A printer head comprising a light source device, and an optical modulator element for switching the light projected from the light source device, a device for splitting the light projected from the light source device into two polarized light components to form respectively a first light path and a second light path, a device for converting the polarized light of the second light path into light having the same polarization as the light component of the first light path, and a device for directing light of the first light path and/or the second light path to the optical modulator element.