发明授权
US5633630A Watchdog circuit of vehicle tracking system 失效
车辆跟踪系统的看门狗电路

Watchdog circuit of vehicle tracking system
摘要:
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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