Apparatus for a security system of a vehicle

Patent metadata

Field	Value
Publication number	US-9721404-B2
Application number	US-201514964597-A
Country	US
Kind code	B2
Filing date	Dec 10, 2015
Priority date	Dec 10, 2014
Publication date	Aug 1, 2017
Grant date	Aug 1, 2017

Abstract

The invention relates to an apparatus ( 10 ) for a security system of a vehicle ( 1 ), in particular for a keyless activation of a locking mechanism of the vehicle ( 1 ), having a communication device ( 20 ) for communication with a mobile identification transmitter ( 100 ) by means of a radio signal (F) with a radio frequency (F. 1 ), wherein an inductive charging process (L) can be carried out in the region of the vehicle ( 1 ) with a charging frequency (L. 1 ), in particular for electrically charging an energy storage device.
According to the invention the radio frequency (F. 1 ) differs from the charging frequency (L. 1 ) such that an interference in the communication with the mobile identification transmitter ( 100 ) can be prevented.

First claim

What is claimed is:

1. An apparatus ( 10 ) for a security system of a vehicle ( 1 ) for a keyless activation of a locking mechanism of the vehicle ( 1 ), having a communication device ( 20 ) for communication with a mobile identification transmitter ( 100 ) by means of a radio signal (F) with a radio frequency (F. 1 ), wherein an inductive charging process (L) can be carried out in the region of the vehicle ( 1 ) with a charging frequency (L. 1 ) for electrically charging an energy storage device, wherein, the radio frequency (F. 1 ) differs from the charging frequency (L. 1 ) such that an interference in the communication with the mobile identification transmitter ( 100 ) can be prevented; wherein the communication device ( 20 ) can be used to control a first communication unit ( 21 ) or a second communication unit ( 22 ) for transmitting the radio signal (F), in dependence on the charging process (L).

2. The apparatus ( 10 ) according to claim 1 , wherein the first communication unit ( 21 ) is configured for transmitting the radio signal (F) with a first radio frequency (F. 1 a ), in particular clearly outside of a charging frequency range (L. 2 ); wherein the second communication unit ( 22 ) is configured for transmitting the radio signal (F) with a second radio frequency (F. 1 b ), in particular within the charging frequency range (L. 2 ).

3. The apparatus ( 10 ) according to claim 1 , wherein, a monitoring device ( 40 ) is provided for monitoring the charging process (L), wherein the monitoring device ( 40 ) can detect an activated and/or deactivated charging process (L).

4. The apparatus ( 10 ) according to claim 1 , wherein the first communication unit ( 21 ) having an ultra-wideband communication interface ( 21 . 1 ) and/or a Bluetooth communication interface ( 21 . 1 ) and/or an HF communication interface ( 21 . 2 ); wherein the second communication unit ( 22 ) having an LF communication interface ( 22 . 1 ).

5. The apparatus ( 10 ) according to claim 1 , wherein the radio frequency (F. 1 ), in particular a first radio frequency (F. 1 a ), differs significantly from the charging frequency (L. 1 ) and in particular is a frequency that is at least 10 times, 100 times and/or 1000 times higher than the charging frequency (L. 1 ).

6. The apparatus ( 10 ) according to claim 1 , wherein the radio frequency (F. 1 ), in particular a first radio frequency (F. 1 a ), lies in the frequency range from 200 KHz to 10 GHz, in particular in the frequency range from 3 MHz to 3 GHZ and/or the charging frequency (L. 1 ) lies in the charging frequency range (L. 2 ) from 1 KHz to 500kHz, in particular 50KHz to 200kHz.

7. An apparatus ( 10 ) for a security system of a vehicle ( 1 ) for a keyless activation of a locking mechanism of the vehicle ( 1 ), having a communication device ( 20 ) for communication with a mobile identification transmitter ( 100 ) by means of a radio signal (F) with a radio frequency (F. 1 ), wherein an inductive charging process (L) can be carried out in the region of the vehicle ( 1 ) with a charging frequency (L. 1 ) for electrically charging an energy storage device, wherein , the radio frequency (F. 1 ) differs from the charging frequency (L. 1 ) such that an interference in the communication with the mobile identification transmitter ( 100 ) can be prevented;
wherein a sensor device ( 30 ) is provided for detecting the proximity of an object ( 4 ),in particular of an operator of the mobile identification transmitter ( 100 ), wherein in particular in the event of a positive detection of the proximity and of an activated charging process (L), the first communication on unit ( 21 ) can be controlled by the communication device ( 20 ).

8. A mobile identification transmitter ( 100 ) for connecting to an apparatus ( 10 ) for a security system of a vehicle ( 1 ) for a keyless activation of a locking mechanism of the vehicle ( 1 ),
wherein the apparatus ( 10 ) has a communication device ( 20 ) for communication with the mobile identification transmitter ( 100 ) by means of a radio signal (F) with a radio frequency (F. 1 ),
wherein an inductive charging process (L) can be carried out in the region of the vehicle ( 1 ) with a charging frequency (L. 1 ) for electrically charging an energy storage device, wherein, the radio frequency (F. 1 ) differs from the charging frequency (L. 1 ) such that an interference in the communication with the mobile identification transmitter ( 100 ) can be prevented;
wherein the communication device ( 20 ) can be used to control a first communication unit ( 21 ) or a second communication unit ( 22 ) for transmitting the radio signal (F), in dependence on the charging process (L).

9. The mobile identification transmitter ( 100 ) according to claim 8 , wherein the mobile identification transmitter ( 100 ) can be operated with an apparatus ( 10 ) having a communication device ( 20 ) for communication with the mobile identification transmitter ( 100 ) by means of the radio signal (F) with the radio frequency (F. 1 ).

10. A method ( 200 ) for operating an apparatus ( 10 ) for a security system of a vehicle ( 1 ) for keyless activation of a locking mechanism of the vehicle ( 1 ),
wherein the apparatus ( 10 ) has a communication device ( 20 ) for communication with a mobile identification transmitter ( 100 ) by means of a radio frequency signal (F) with a radio frequency (F. 1 ),
wherein an inductive charging process (L) can be carried out in the region of the vehicle ( 1 ) with a charging frequency (L. 1 ) for electrically charging an energy storage device, wherein the radio frequency (F. 1 ) differs from the charging frequency (L. 1 ) such that an interference in the communication with the mobile identification transmitter ( 100 ) is prevented;
wherein the communication device ( 20 ) can be used to control a first communication unit ( 21 ) second communication unit ( 22 )for transmitting the radio signal (F), in dependence on the charging process (L).

11. The method ( 200 ) according to claim 10 , wherein the radio signal (F) is a wake-up signal to be received the mobile identification transmitter ( 100 ), wherein on receiving the wake-up signal the mobile identification transmitter ( 100 ) transmits a response signal to the apparatus ( 10 ).

12. The method ( 200 ) according to claim 10 , wherein a charging device ( 6 ) of the vehicle ( 1 ) is operated during an active charging process (L), wherein in particular, due to a current flowing in a primary charging unit ( 8 ), a voltage is generated in a secondary charging unit ( 6 . 1 ) of the charging device ( 6 ) for charging up a rechargeable battery of the vehicle ( 1 ).

13. The method ( 200 ) according to claim 10 , wherein the following steps are carried out for a contactless authentication with the security system of the vehicle ( 1 ):
a) transmission of the radio signal (F) by the communication device ( 20 ),
b) reception of the radio signal (F) by the mobile identification transmitter ( 100 ),
c) transmission of a response signal, in particular with a security code, to the communication device ( 20 ).

14. The method ( 200 ) according to claim 10 , wherein a device ( 10 ) for communication with a mobile identification transmitter ( 100 ) by means of a radio signal (F) with a radio frequency (F. 1 ) is used,
wherein an inductive charging process (L) can be carried out in the region of the vehicle ( 1 ) with a charging frequency (L. 1 ) for electrically charging an energy storage device wherein, the radio frequency (F. 1 ) differs from the charging frequency (L. 1 ) such that an interference in the communication with the mobile identification transmitter ( 1

Assignees

• Huf Huelsbeck & Fuerst Gmbh & Co Kg

Inventors

• Müller Ulrich

Classifications

• B60L53/65

  involving identification of vehicles or their battery types · CPC title

• Y02T10/7072

  Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors · CPC title

• B60R25/2072

  with means for preventing jamming or interference of a remote switch control signal · CPC title

• Y02T90/14

  Plug-in electric vehicles · CPC title

• G07C2009/00769

  with data transmission performed by wireless means · CPC title