Immobiliser system with controllable inhibiting means
First Claim
Patent Images
1. An immobiliser system for a vehicle, comprising:
- a native transmitter-receiver unit integrated into the vehicle, said native transmitter-receiver unit including a native antenna and being configured so as to enable a wireless communication with a transponder associated with a switch key, anda locking device for allowing or preventing the wireless communication between the native transmitter-receiver unit and the transponder, said locking device comprising;
an entirely passive locking antenna arranged in the vicinity of the native antenna;
a control unit configured to control the entirely passive locking antenna in an enabled state, wherein the entirely passive locking antenna does not interfere with the wireless communication between the native transmitter-receiver unit and the transponder, or in a locking state, wherein the entirely passive locking antenna does interfere with said wireless communication; and
the entirely passive locking antenna comprising a coil having two terminal ends, the control unit comprising a controlled switch connecting said terminal ends and a driving means for controlling the controlled switch in an open state or in a close state.
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Abstract
An immobilizer system for a vehicle and an immobilizer set including an immobilizer system and a switch key equipped with a transponder is provided. The immobilizer system includes:
- a native transmitter-receiver unit integrated into the vehicle, the native transmitter-receiver unit including a native antenna and being configured so as to enable a wireless communication with a transponder associated with a switch key, and
- a locking device for allowing or preventing the wireless communication between the native transmitter-receiver unit and the transponder, the locking device including:
- a locking antenna arranged in the vicinity of the native antenna, and
- a control unit configured to control the locking antenna in an enabled state, wherein the locking antenna does not interfere with the wireless communication between the native transmitter-receiver unit and the transponder, or in a locking state, wherein the locking antenna does interfere with the wireless communication.
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13 Claims
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1. An immobiliser system for a vehicle, comprising:
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a native transmitter-receiver unit integrated into the vehicle, said native transmitter-receiver unit including a native antenna and being configured so as to enable a wireless communication with a transponder associated with a switch key, and a locking device for allowing or preventing the wireless communication between the native transmitter-receiver unit and the transponder, said locking device comprising; an entirely passive locking antenna arranged in the vicinity of the native antenna; a control unit configured to control the entirely passive locking antenna in an enabled state, wherein the entirely passive locking antenna does not interfere with the wireless communication between the native transmitter-receiver unit and the transponder, or in a locking state, wherein the entirely passive locking antenna does interfere with said wireless communication; and the entirely passive locking antenna comprising a coil having two terminal ends, the control unit comprising a controlled switch connecting said terminal ends and a driving means for controlling the controlled switch in an open state or in a close state. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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Specification