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. 20, 1993
Filed:
Apr. 07, 1992
Applicant:
Inventor:
Takashi Ujihara, Yamagata, JP;
Assignees:
Tohoku Pioneer Electronic Corp., Tendo, JP;
Pioneer Electronic Corp., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
2502081 ; 257443 ; 257458 ;
Abstract
An insulating substrate having an end opposite to a sheet of subject copy is disposed perpendicularly to the sheet. A plurality of photodetector units are provided on the end of the insulating substrate. Each of the photodetector units has a first electrode film connected to a common electrode disposed on one of the sides of the insulating substrate, a second electrode film connected to one of discrete electrodes disposed on the other side of the insulating substrate, and a photoelectric transducer film interposed between the first and second electrode films.