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:
Jul. 04, 1989
Filed:
Nov. 19, 1987
Applicant:
Inventor:
Shuichi Tsushima, Takaidohigashi, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
250578 ; 2502 / ; 357 72 ; 357 30 ;
Abstract
A photoelectric conversion apparatus comprises an insulating and transparent substrate, a plurality of photoelectric conversion elements formed on the substrate in a line, selection switches made up of thin film transistors formed on the substrate for selecting the photoelectric conversion elements, a driving circuit made up of thin film transistors formed on the substrate for driving the selection switches, and a wear-resistant and transparent protecting layer formed at least on the photoelectric conversion elements.