Antitheft device for an automobile

Details Antitheft device for an automobile Antitheft device for an automobile

1990-01-29

1991-08-20

Crosland, Donnie L.

Communications: electrical

Land vehicle alarms or indicators

Of burglary or unauthorized use

340542, 340543, 340528, 307 103, 307 104, 307 105, 361171, 180287, B60R 2510, B60R 2504

Patent

active

050418106

ABSTRACT:
Automobiles such as a cash carrying car, truck, police car and so on, are prevented from being ridden away during loading or unloading cash or goods or being robbed by robbers after having been forcibly stopped on road. When a door of the automobile is opened, a opened-door detection switch operates and a first-control means stores in its memory the switch's action and cuts off an engine start-up circuit. The engine can be restarted when a registered password is entered into the device through a password inputting means, whereby a second-control means stores the signal and enters a resetting signal into the first control means to restore the engine start-up circuit. At the same time, a resetting signal produced by a reset signal generating means is inputted into the second control means which is thereby restored to the initial state.

REFERENCES:
patent: 4064547 (1977-12-01), Zagwyn
patent: 4446380 (1984-05-01), Moriya et al.
patent: 4811013 (1989-03-01), Akutsu
patent: 4888575 (1989-12-01), De Vaulx

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