Watchdog circuit of vehicle tracking system

Details Watchdog circuit of vehicle tracking system Watchdog circuit of vehicle tracking system

1991-12-19

1997-05-27

Swarthout, Brent A.

Communications: electrical

Vehicle position indication

At remote location

375311, 455116, G08G 1123

Patent

active

056336306

ABSTRACT:
Disclosed is a watchdog circuit of a vehicle tracking system for resetting a microcomputer by sensing a transmission time longer than a predetermined time owing to a false operation of a vehicle mounted equipment in case of transmitting a position signal, and for preventing a malfunction of a vehicle tracking system.

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patent: 5081625 (1992-01-01), Rhee et al.
patent: 5155846 (1992-10-01), Mino
patent: 5199007 (1993-03-01), Okano

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