Immobilizer system-mounting vehicle and member used for the immobilizer system
First Claim
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1. An immobilizer system for installation in a vehicle to prevent unauthorized use of the vehicle, the immobilizer system comprising:
- a receiver attached to the vehicle;
a circuit in the vehicle for storing a first code, the circuit being linked with the receiver;
an operation member, which is independent and separable from the vehicle, wherein the operation member stores a second code, and wherein the operation member activates the circuit to perform a verification process for verifying when the operation member is placed in a predetermined position with respect to the vehicle;
a transmitter accommodated in said operation member for transmitting a signal to the receiver for communication with the receiver regarding a comparison of the second code stored in the operation member with the first code stored in the circuit, wherein operation of the vehicle is permitted only when the first and second codes match; and
an indication portion located on the surface of one of said operation member and the vehicle for indicating the existence of the immobilizer system, wherein the indication portion is capable of being noticed by a vehicle operator.
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Abstract
An operation member containing a transmitter for an immobilizer or receiver for the immobilizer, is indicated to a user so that the user may carefully handle the operation menber. An ignition key (1) has a grip (3) and a key plate (2) protruding from the grip (3). “Immobi” is engraved on the surface of the grip (3) to thereby form a first indication portion (11). “Immobi” is an abbreviation for an English word “immobilize”. Inside the grip (3) is contained a transponder which is an immobilizer transmitter.
35 Citations
19 Claims
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1. An immobilizer system for installation in a vehicle to prevent unauthorized use of the vehicle, the immobilizer system comprising:
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a receiver attached to the vehicle;
a circuit in the vehicle for storing a first code, the circuit being linked with the receiver;
an operation member, which is independent and separable from the vehicle, wherein the operation member stores a second code, and wherein the operation member activates the circuit to perform a verification process for verifying when the operation member is placed in a predetermined position with respect to the vehicle;
a transmitter accommodated in said operation member for transmitting a signal to the receiver for communication with the receiver regarding a comparison of the second code stored in the operation member with the first code stored in the circuit, wherein operation of the vehicle is permitted only when the first and second codes match; and
an indication portion located on the surface of one of said operation member and the vehicle for indicating the existence of the immobilizer system, wherein the indication portion is capable of being noticed by a vehicle operator. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. An immobilizer system for installation in a vehicle to prevent unauthorized use of the vehicle, the immobilizer system comprising:
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a receiver attached to the vehicle;
a circuit connected to the receiver and including a storage device in the vehicle for storing a first code, the circuit being linked with the receiver;
an operation member to be handled by a vehicle operator, wherein the operation member is independent and separable from the vehicle, wherein the operation member stores a second code, and wherein the operation member activates the circuit;
a transmitter accommodated in said operation member for transmitting a signal to the receiver, wherein operation of the vehicle is permitted only when the transmitted signal indicates that the first code stored in the storage device matches the second code stored in the operation member; and
a symbol located on the surface of one of said operation member and the vehicle for indicating the existence of the immobilizer system, wherein the symbol is in a position such that the symbol is likely to be noticed by a vehicle operator when the vehicle operator uses the operation member. - View Dependent Claims (10, 11, 12, 13, 14, 15)
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16. An immobilizer system for installation in a vehicle to prevent unauthorized use of the vehicle, the immobilizer system comprising:
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a receiver attached to the vehicle;
a circuit in the vehicle for storing a first code, the circuit being connected with the receiver for communicating with the receiver;
an operation member to be handled by a vehicle operator and to be engaged with the vehicle prior to operation of the vehicle, wherein the operation member is independent and separable from the vehicle, wherein the operation member stores a second code, and wherein the operation member activates the circuit to perform a verification process for verifying whether the operation member is authorized for use with the vehicle when the operation member is engaged with the vehicle;
a transmitter and an antenna, both embedded in the operation member, for transmitting a signal to the receiver for communication with the receiver regarding a comparison of the second code stored in the operation member with the first code stored in the circuit, wherein operation of the vehicle is permitted only when the first and second codes match; and
a readily noticeable symbol formed on the surface of one of said operation member and the vehicle for indicating the existence of the immobilizer system to a person. - View Dependent Claims (17, 18, 19)
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Specification