TELEPHONE PROTECTION CIRCUIT

A circuit for protecting sensitive telephone equipment from voltage or current overloads on the TIP or RING line includes a resistor (R3) serially positioned in the line and a triac (THY1) triggered by a voltage differential across the resistor (R3). A pair of fast diodes (D1,D2) is positioned on th...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	HUNG, FRANCIS YUN-TAI, MCGINN, DONALD SCOTT
Format:	Patent
Sprache:	eng
Schlagworte:	CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS GENERATION SELECTING TELEPHONIC COMMUNICATION
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