A microcomputer is not stopped to be monitored even in a state in which a wrong standby signal is detected. A watchdog circuit 34 outputs a starting signal to a microcomputer 30. An output signal Q of a determination circuit 36 is reset by this starting signal. If the determination circuit does not detect...http://www.google.de/patents/US6490699?utm_source=gb-gplus-sharePatent US6490699 - Computer monitor device