Communications: electrical – Selective – Having indication or alarm
Patent
1981-08-14
1984-03-20
Trafton, David L.
Communications: electrical
Selective
Having indication or alarm
250551, 340 56, 340672, 340686, 34082562, B60Q 100
Patent
active
044384254
ABSTRACT:
A multiple signal transmitting apparatus for automobiles includes a plurality of switches mounted on the steering wheel of an automobile, a multiplexing circuit mounted on the steering wheel for multiplexing the output signals of the switches, at least one light-emitting device mounted on a moving part rotatable together with the steering wheel so as to be arranged on a circumference lying in a plane perpendicular to the central axis of rotation of the steering wheel and concentric with the central axis of rotation to generate a light signal in response to the multiplexed output signal of the multiplexing circuit, at least one light-sensitive device mounted on the surface of the steering wheel bearing portion facing the light-emitting device to receive the light signal from the light-emitting device and generate an output signal, and a decoder circuit mounted on the body portion of the automobile to decode the output signal of the light-sensitive device to generate signals corresponding to the output signals of the switches.
REFERENCES:
patent: 3544743 (1970-12-01), Takei et al.
patent: 4190318 (1980-02-01), Upton, Jr.
patent: 4264891 (1981-04-01), Bergmann et al.
patent: 4275379 (1981-06-01), Nakano et al.
patent: 4321474 (1982-03-01), Tanaka et al.
patent: 4323877 (1982-04-01), Morita et al.
Kondo Nobuo
Okada Kazukiyo
Okuda Yutaka
Tsuchida Takashi
Nippondenso Co. Ltd.
Nowicki Joseph
Trafton David L.
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