Antitheft apparatus for a vehicle
First Claim
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1. An antitheft apparatus for detecting an unauthorized operation of a vehicle and thereupon functioning to prevent the vehicle from being stolen, said antitheft apparatus comprising:
- antitheft electronic control means responsive to a signal generated upon detection of an unauthorized operation of a vehicle for preventing the vehicle from being stolen;
electronic ignition timing control means for controlling authorized ignition timing of an ignition device for starting the engine of the vehicle; and
said antitheft electronic control means being packaged and integrally formed together with said electronic ignition timing control means for preventing unauthorized tampering with either one of said antitheft electronic control means and said electronic ignition control means.
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Abstract
An electronic control member for preventing the stealing of a vehicle and an electronic control member for controlling ignition timing of an ignition device formed integrally and disposed in one package to thereby provide an antitheft apparatus for a vehicle which is small, economical, and highly capable of preventing theft. The antitheft apparatus for a vehicle includes an immobilizer, an antitheft electronic control member, an ignition device, a sensor, a remote control member and an alarm member.
22 Citations
23 Claims
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1. An antitheft apparatus for detecting an unauthorized operation of a vehicle and thereupon functioning to prevent the vehicle from being stolen, said antitheft apparatus comprising:
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antitheft electronic control means responsive to a signal generated upon detection of an unauthorized operation of a vehicle for preventing the vehicle from being stolen; electronic ignition timing control means for controlling authorized ignition timing of an ignition device for starting the engine of the vehicle; and said antitheft electronic control means being packaged and integrally formed together with said electronic ignition timing control means for preventing unauthorized tampering with either one of said antitheft electronic control means and said electronic ignition control means. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A method for preventing the theft of a vehicle by detecting an unauthorized operation of a vehicle and thereupon functioning to prevent the vehicle from being stolen, said method comprising the following steps:
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providing an antitheft electronic control means for responding to a signal generated upon detection of an unauthorized operation of a vehicle for preventing the vehicle from being stolen; providing an electronic ignition timing control means for controlling authorized ignition timing of an ignition device for starting the engine of the vehicle; and preventing the starting of the engine of the vehicle based on signals supplied from said antitheft electronic control member to said electronic ignition timing control means, said antitheft electronic control means being packaged and integrally formed together with said electronic ignition timing control means for preventing unauthorized tampering of either one of said antitheft electronic control means and said electronic ignition control means. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20, 21, 22, 23)
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Specification