Traffic information radio signal receiver

Details Traffic information radio signal receiver Traffic information radio signal receiver

1980-11-25

1982-06-08

Ng, Jin F.

Telecommunications

Receiver or analog modulated signal frequency converter

Responsive to an input signal of particular predetermined...

340 33, H04B 116

Patent

active

043343201

ABSTRACT:
To simulate presence of a traffic information signal in a traffic information receiver which is muted upon reproduction of tape cassette programs or operated at a predetermined level, a momentary-operating control button is connected to a timing circuit to establish a timing interval which, when exceeded, provides a signal to a traffic information transfer switch to transfer the signals received from the receiver through the traffic information channel to permit setting of the volume level under traffic information conditions as desired and to demonstrate the operability under such conditions; upon release of the button, the system reverts to reproduction of tape or traffic information signals received by the receiver. Traffic information can thus be simulated even though no traffic information is being radiated by the transmitter to which the receiver is tuned.

REFERENCES:
patent: 3949401 (1976-04-01), Hegeler et al.
patent: 4238778 (1980-12-01), Ohsumi
"Traffic-News Decoder for Radios Undercuts Competition at $36" by Anon, Electronics vol. 50, No. 4 2/17/1977.

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