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:
Aug. 26, 1986
Filed:
Jul. 19, 1982
Kazuyuki Umebayashi, Tokyo, JP;
Nobuyasu Suzumura, Tokyo, JP;
Aisin Seiki Kabushikikaisha, , JP;
Abstract
Communication of electric signals between a control board mounted on a steering wheel but held in stationary state irrespective of a rotation of the steering wheel and an electric controller disposed at a position remote from a steering mechanism. The control board is supported by a steering drive shaft through a toothed wheel mechanism, so that it remains stationary regardless of a rotation of the shaft. The control board and the electric controller are electrically coupled to each other through a combination of slip rings and brushes, a pair of coils, or two pairs of coils. The control board and the electric controller include each an FSK modulation circuit, an FSK demodulation circuit and a microprocessor for controlling transmission or reception of the electric signals. Key inputs on the control board are encoded by the control board and then transmitted to the electric controller. The electric controller decodes the received code and then renders operation instructions to load-vehicle equipments.