Anti-theft device having minimal power consumption characteristi

Details Anti-theft device having minimal power consumption characteristi Anti-theft device having minimal power consumption characteristi

1996-09-27

1997-09-23

Mullen, Thomas

Communications: electrical

Land vehicle alarms or indicators

Of burglary or unauthorized use

340428, 307 102, 307 103, 307 105, 180287, B60R 2510

Patent

active

056709340

ABSTRACT:
When a key is inserted into a key cylinder and a key insertion switch switches from an open state to a closed state, a signal is provided to a main relay controller. This main relay controller provides a low level signal to a base of a first transistor to actuate a coil. Therefore, a contact point is closed and power is supplied to an anti-theft controller and an engine controller. Thus, these controllers do not consume power until the key insertion switch is closed and thus, their construction can be made simple since there is no need to operate them in a sleep mode.

REFERENCES:
patent: 4291237 (1981-09-01), Kitano
patent: 4858453 (1989-08-01), Namazue
patent: 4965460 (1990-10-01), Tanaka et al.
patent: 5079435 (1992-01-01), Tanaka
patent: 5481253 (1996-01-01), Phelan et al.
patent: 5555863 (1996-09-01), Kokubu
patent: 5606306 (1997-02-01), Mutoh et al.

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