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:
Jun. 26, 1984
Filed:
Mar. 24, 1981
Norimasa Kishi, Yokosuka, JP;
Kiyoshi Sasanuma, Yokosuka, JP;
Yasuhisa Takeuchi, Yokosuka, JP;
Shinichi Kato, Fujisawa, JP;
Nissan Motor Company, Ltd., Kanagawa, JP;
Abstract
An optical signal transmission system for an automotive vehicle by which a number of electric signals generated from switches arranged on the steering wheel are transferred to other controllers optically and digitally for control the necessary vehicle operating conditions with high reliability, without producing electrical noise even while steering wheel is being turned. The optical signal transmission system of the present invention comprises optical transmission devices including an electricity-to-light converting means, a light-transmitting ring, a light-to-electricity converting means, in addition to a digital circuit including an encoder, decoder, etc.