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:
Dec. 30, 1986
Filed:
Sep. 08, 1983
Applicant:
Inventors:
Hideo Segawa, Tokyo, JP;
Toshiyuki Inokuchi, Yokohama, JP;
Takashi Shibaguchi, Yokohama, JP;
Fumio Asano, Itabashi, JP;
Assignee:
Ricoh Company, Ltd., , JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01D / ;
U.S. Cl.
CPC ...
3461 / ;
Abstract
An optical writing device includes a substrate, an array of pixel electrodes, each of which is provided with a luminescent material, a filament electrode disposed in parallel with the array, an enclosure member for enclosing the pixel and filament electrodes and the array, and driver I.C. chips mounted on the substrate. Such a structure may be made extremely compact in size with low cost.