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:
Sep. 10, 1991
Filed:
Nov. 22, 1989
Applicant:
Inventors:
Itsuo Takanashi, Kamakura, JP;
Shintaro Nakagaki, Fujisawa, JP;
Hirohiko Shinonaga, Yokohama, JP;
Tsutou Asakura, Yokohama, JP;
Masato Furuya, Yokosuka, JP;
Hiromichi Tai, Yokosuka, JP;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02F / ;
U.S. Cl.
CPC ...
359 72 ;
Abstract
An apparatus for reading out a charge latent image from a recording medium includes a photo-modulation member exposed to an electric field from the recording medium and exposed to reading light. The photo-modulation member varies a condition of the reading light in accordance with the electric field. A photoconductive member is disposed between the recording medium and the photo-modulation member. Control light is applied to the photoconductive member. The control light has an intensity which varies with respect to time.