Apparatus for a security system of a vehicle

• US 9,721,404 B2
• Filed: 12/10/2015
• Issued: 08/01/2017
• Est. Priority Date: 12/10/2014
• Status: Active Grant

• Current Assignee: Huf Hulsbeck & Furst GmbH & Co. KG
• Original Assignee: Huf Hulsbeck & Furst GmbH & Co. KG
• Inventors: Mller, Ulrich
• Primary Examiner(s): Kim, Kevin
• Application Number:
  US14/964,597
• Publication Number:
  US 20160171803A1
• Time in Patent Office: 600 Days
• Field of Search: 340 56, 340 561, 340 572
• CPC Class Codes: B60L 2270/147 electro magnetic [EMI]
• CPC Class Codes: B60L 53/126 Methods for pairing a vehicle and a charging station, e.g. establishing a one-to-one relation between a wireless power transmitter and a wireless power receiver
• CPC Class Codes: B60L 53/65 involving identification of vehicles or their battery types
• CPC Class Codes: B60R 25/2072 with means for preventing jamming or interference of a remote switch control signal
• CPC Class Codes: G07C 2009/00769 with data transmission performed by wireless means
• CPC Class Codes: G07C 9/20 involving the use of a pass
• CPC Class Codes: Y02T 10/70 Energy storage systems for electromobility, e.g. batteries
• CPC Class Codes: Y02T 10/7072 Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
• CPC Class Codes: Y02T 90/12 Electric charging stations
• CPC Class Codes: Y02T 90/14 Plug-in electric vehicles
• CPC Class Codes: Y02T 90/16 Information or communication technologies improving the operation of electric vehicles
• CPC Class Codes: Y02T 90/167 Systems integrating technologies related to power network operation and communication or information technologies for supporting the interoperability of electric or hybrid vehicles, i.e. smartgrids as interface for battery charging of electric vehicles [EV] or hybrid vehicles [HEV]
• CPC Class Codes: Y04S 30/14 Details associated with the interoperability, e.g. vehicle recognition, authentication, identification or billing

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.

Claims

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.1a), 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.1b), 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.1a), 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.1a), 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 (100) can be prevented.

15. A security system, in particular a passive access system for a vehicle (1), having a mobile identification transmitter (100) and an apparatus (10), wherein the apparatus (10) has a communication device (20) for communication with the 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) can be prevented;

wherein the communication device (20) can be used to control a first communication unit (21) or a second communication unit (22) transmitting the radio signal (F), in dependence on the charging process (L).

16. The security system according to claim 15, wherein the security system can be operated according to a method (200) 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).

17. A vehicle (1), in particular an electric vehicle (1), having an apparatus (10) for a security system of the 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 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) 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).

18. The vehicle (1) according to claim 17, wherein a charging device (6) is provided for carrying out the inductive charging process (L) of the vehicle (1) with the charging frequency (L.1), wherein the charging device (6) in particular has a secondary charging unit (6.1), and energy can be transferred by induction from a primary charging unit (8) in particular during the charging process (L).

19. The vehicle (1) according to claim 17, wherein the vehicle (1) can be operated according to a method (200) 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).