PRIVACY AND SEIZURE CONTROL CIRCUIT FOR A REMOTE STATION DICTATING SYSTEM

Each one of a plurality of remote dictating stations in a recording system includes a first semiconductor switch which is biased to become conductive ("on") when it is connected to a first bias source in a central record/playback unit by the closing of a cradle switch when the dictator pho...

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Bibliographische Detailangaben

1. Verfasser:	MATZ B,US
Format:	Patent
Sprache:	eng
Schlagworte:	ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY TELEPHONIC COMMUNICATION
Online-Zugang:	Volltext bestellen
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