Bus driver including control circuit for overvoltage protection

Details Bus driver including control circuit for overvoltage protection Bus driver including control circuit for overvoltage protection

2007-09-12

2010-02-23

Nguyen, Danny (Department: 2836)

Electricity: electrical systems and devices

Safety and protection of systems and devices

With specific voltage responsive fault sensor

C361S111000

Reexamination Certificate

active

07667939

ABSTRACT:
A bus driver device is provided with a bus driver circuit connected to a bus line and a overvoltage protection section connected between the bus line and a power supply line. The overvoltage protection section has an overvoltage protection function for the bus line. Further, the bus driver device is provided with a switching circuit for on/off-controlling the overvoltage protection function based on a voltage of the bus line and a voltage of the power supply wiring.

REFERENCES:
patent: 5642059 (1997-06-01), Scoones
patent: 6265926 (2001-07-01), Wong
patent: 6320735 (2001-11-01), Anderson
patent: 6639774 (2003-10-01), Stroebele et al.
patent: 6970336 (2005-11-01), Stockinger et al.
patent: 2002-532961 (2003-10-01), None

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