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:
Feb. 14, 1989
Filed:
Mar. 31, 1988
Applicant:
Inventors:
Tatsuo Katsura, Ibaraki, JP;
Hideatsu Maeda, Ibaraki, JP;
Tsukasa Sakai, Ibaraki, JP;
Keishiro Tsuda, Ibaraki, JP;
Assignees:
Agency of Industrial Science & Technology, Tokyo, JP;
Ministry of International Trade & Industry, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
2502 / ; 356-8 ;
Abstract
A photosensor uses as a photosensitive part thereof a purple membrane film which contains bacteriorhodopsin isolated from a highly halophilic bacterium and which generates a photoelectromotive force corresponding to the intensity of light absorbed, and uses as an amplifying part an FET.