Infrared remote signaling system

A hands-free telephone system is disclosed utilizing an infrared transmitter and receiver to permit wireless speech transmission. The transmitter uses frequency modulation imposed on the infrared signal and includes carrier shift signaling arrangements for indicating a low battery condition and tran...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	LESE, GREGORY, HUI, GEORGE P, ANGLIKOWSKI, RONALD E, NASH, DONALD H
Format:	Patent
Sprache:	eng
Schlagworte:	ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY TELEPHONIC COMMUNICATION TRANSMISSION
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