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:
Jan. 29, 1991
Filed:
Aug. 19, 1988
Shuji Inui, Nishikasugai, JP;
Chikahisa Hayashi, Nishikasugai, JP;
Makoto Kanai, Nishikasugai, JP;
Toshinori Takahashi, Nishikasugai, JP;
Toyoda Gosei Co., Ltd., Nishikasugai, JP;
Abstract
The present invention relates to steering wheels of automobiles provided with communication systems employing light transmitters, comprising a steering shaft, a boss plate fixed on the tip of the steering shaft, a ring portion mounted to said boss plate, light emitters and light receivers provided with said boss plate therebetween to perform light communication, the light emitters comprising a plurality of emitting units while the light receivers comprise a plurality of receiving units corresponding to the emitting units of the emitters so as to transmit and receive signals with each other, thereby constituting a communication unit with a pair of emitting and receiving units, and a plurality of through holes formed on the boss plate in correspondence to the light emitting and light receiving units, which are more than the communication units and enable all the light signals of all the units for light communication to pass therethrough.