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Wireless key closing device for a motor vehicle, motor vehicle, and method for operating the closing device

A technology of motor vehicles and equipment, which is applied in the direction of anti-theft vehicle accessories, vehicle parts, transportation and packaging, etc.

Inactive Publication Date: 2019-04-26
AUDI AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The remote control key does not work outside this surrounding area

Method used

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  • Wireless key closing device for a motor vehicle, motor vehicle, and method for operating the closing device

Examples

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Embodiment Construction

[0024] The embodiments described below are preferred implementation forms of the present invention. In the exemplary embodiments, the described parts of the embodiment are in each case individual features of the invention which can be considered independently of one another, which in each case also improve the invention independently of one another, and can therefore be used individually or in combinations other than those shown. Combinations are considered to be part of the invention. Furthermore, the embodiments described can also be supplemented by other features of the invention which have already been described.

[0025] The drawing shows a motor vehicle 10 which can be, for example, a motor vehicle, in particular a passenger car or a truck. In addition to the motor vehicle 10 , a theft device 12 and a remote control key 13 are shown in the surroundings 11 of the motor vehicle 10 . Theft device 12 may have a portion 14 proximate the vehicle and a portion 15 proximate th...

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PUM

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Abstract

The invention relates to a closing device (17) for a motor vehicle (10), having: a transmitter (22) which is designed to emit a request signal (26) into an environment (11) of the motor vehicle (10) depending on a predefined trigger event (25); and a receiver (22) which is designed to receive a response signal (27) of a wireless key (13) from the environment (13), within a predefined frequency range and within a predefined time interval (28) after the request signal (26) is emitted; and a control unit (20) which is designed to unlock at least one lock (18) of the closing device (17) if the response signal (27) is received within the time interval (28). According to the invention, an evaluation module (21) is designed to emit an interference signal (30) by means of the transmitter (22) within the time interval (28) after the request signal (26) is emitted if at least one radio frequency lies outside the frequency range.

Description

technical field [0001] The invention relates to a locking device for a motor vehicle, by means of which the motor vehicle can be unlocked using a so-called remote control key. The invention also includes a motor vehicle with the locking device and a method for operating the locking device. Background technique [0002] A locking device that can be unlocked by means of a remote control key can be designed, the transmitter device searches or activates the remote control key in the surroundings of the motor vehicle by means of a request signal, and then authorizes the remote control key based on the response signal of the remote control key. Predetermined data and / or secrets are exchanged via the radio interface via request signals and / or response signals. Due to the limited range of transmission of the request and response signals and the optional positioning of the remote control key, the use of the remote control key is restricted to a predetermined area adjacent to the mot...

Claims

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Application Information

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IPC IPC(8): G07C9/00B60R25/24
CPCB60R25/24G07C2009/00396G07C2009/00555H04K3/28H04K3/42H04K3/43H04K3/45H04K3/65H04K3/825H04K2203/16H04K2203/18H04K2203/22G07C9/00309G07C2009/00769
Inventor T·盖尔F·米勒
Owner AUDI AG
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