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:
Apr. 16, 1991
Filed:
Jun. 29, 1989
Applicant:
Inventors:
Toshifumi Asakawa, Yamato, JP;
Haruo Nakayama, Kawanishi, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
250551 ; 25022711 ;
Abstract
An optical signal processing apparatus includes a plurality of plates disposed in parallel at spatial intervals and light LSIs mounted on each of the plates. The transfer of signals in the direction parallel to the surfaces of the plates is performed by lead wires electrically interconnecting the light LSIs. The transfer of signals in the direction normal to the surfaces is performed by the light emitted and received by the light LSIs.
Asakawa, Toshifumi. (1991). Multi-plate optical signal processing apparatus with inter-plate optical (U.S. Patent No. 5008554). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5008554
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