Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
159 words
A vehicular protective system for preventing unauthorized operation of an automotive vehicle having an electrical system including a plurality of components and an ignition system having a plurality of components and started by an ignition key, said vehicular protective system comprising an ultrasonic transmitter combined with the ignition key and manually operable to produce and transmit an ultrasonic signal; and an ultrasonic receiver having an electronic switch electrically connected to at least one of the components of the electrical system of a vehicle and between said one of said components and another one of the components of said electrical system, said switch being open upon the failure of said receiver to receive the signal transmitted by said transmitter thereby preventing the operation of said electrical system and the operation of the vehicle, said receiver closing said switch upon receiving the signal transmitted by said transmitter thereby permitting the operation of said electrical system and the operation of said vehicle.
Claim 2
Dependent Claim
159 words
A vehicular protective system for preventing unauthorized operation of an automotive vehicle having an electrical system including a plurality of components and an ignition system having a plurality of components and started by an ignition key, said vehicular protective system comprising an ultrasonic transmitter combined with the ignition key and manually operable to produce and transmit an ultrasonic signal; and an ultrasonic receiver having an electronic switch electrically connected to at least one of the components of the electrical system of a vehicle and between said one of said components and another one of the components of said electrical system, said switch being open upon the failure of said receiver to receive the signal transmitted by said transmitter thereby preventing the operation of said electrical system and the operation of the vehicle, said receiver closing said switch upon receiving the signal transmitted by said transmitter thereby permitting the operation of said electrical system and the operation of said vehicle.
Claim 3
Dependent Claim
38 words
A vehicular protective system as claimed in claim 1, further comprising a sealed housing housing said one of said components and said ultrasonic receiver to prevent tampering with said one of said components and with said ultrasonic receiver.
Claim 4
Dependent Claim
63 words
A vehicular protective system as claimed in claim 1, wherein said components include a starter, a starter relay, an alternator and an ignition system, and further comprising a plurality of ultrasonic receivers each having an electronic switch electrically connected to a corresponding one of said components and between said one of said components and another one of the components of said electrical system.
Claim 5
Dependent Claim
22 words
A vehicular protective system as claimed in claim 1, wherein said transmitter produces and transmits an ultrasonic signal of a predetermined frequency.
Claim 6
Dependent Claim
46 words
A vehicular protective system as claimed in claim 1, wherein the transmitter combined with the ignition key comprises a housing dimensioned to be held between two fingers of a hand of a user, said housing housing said transmitter, and said ignition key extending from the housing.
Claim 7
Dependent Claim
32 words
A vehicular protective system as claimed in claim 3, further comprising a plurality of sealed housings each housing a corresponding one of said components and the corresponding one of said ultrasonic receivers.
Claim 8
Dependent Claim
31 words
A vehicular protective system as claimed in claim 6, wherein the components of said ignition system include an ignition switch operated by an ignition key, an ignition coil and a distributor.
Claim 9
Dependent Claim
19 words
A vehicular protective system as claimed in claim 7, wherein said ignition system further comprises an electronic ignition unit.