Switch circuit for setting and signaling a voltage level

Details Switch circuit for setting and signaling a voltage level Switch circuit for setting and signaling a voltage level

1992-10-22

1995-06-27

Wolfe, Willis R.

Pulse or digital communications

Cable systems and components

375295, 128706, 128710, A61B 5044, H04B 346

Patent

active

054286409

ABSTRACT:
A switch circuit is disclosed which both sets the voltage at an output terminal and signals that the voltage has been set. The switch circuit may be implemented with a single-pole single-throw switch. A voltage drop device, connected in parallel with the switch, is used to generate the output voltage levels. The switch circuit is also suitable for enabling and disabling the heartbeat signal generated by a local area network transceiver and for signaling whether the heartbeat signal has been enabled by lighting a light-emitting diode.

REFERENCES:
patent: 3938507 (1976-02-01), Sarnoff et al.
patent: 4221223 (1980-09-01), Linden
patent: 4230127 (1980-10-01), Larson
patent: 5263049 (1993-11-01), Wincn et al.

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