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. 13, 1987
Filed:
Mar. 14, 1986
Applicant:
Inventor:
Donald L Head, Springboro, OH (US);
Assignee:
The Mead Corporation, Dayton, OH (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01D / ; G02F / ; H04N / ;
U.S. Cl.
CPC ...
346-11 ; 250578 ; 346108 ; 346160 ; 3503 / ; 350356 ; 350393 ; 358213 ; 358298 ; 358302 ; 358303 ; 358 75 ;
Abstract
Gray scale recording apparatus using an electro-optical light gate. The light gate comprises a series of side-by-side active electrode groups for controlling the recorded gray levels of corresponding side-by-side picture elements on a recording member. Each active electrode group comprises a plurality of switchable electrodes configured for at least partially encompassing a common interior point at successively greater distances.