Mobile Telecommunications Terminal Comprising Rfid Functions and Associated Method

• US 20080100419A1
• Filed: 08/02/2005
• Published: 05/01/2008
• Est. Priority Date: 10/13/2004
• Status: Active Grant

• Current Assignee: Unify Patente GmbH & Co. KG (Atos SE)
• Original Assignee: Siemens Enterprise Communications GmbH and Co KG (Mitel Networks Corporation)
• Inventors: Jatschka, Thomas, Zimmermann, Gernot, Pohl, Alfred, Tschofen, Robert
• Granted Patent: US 8,140,053 B2
• Time in Patent Office: Days
• US Class Current: 340/10.1
• CPC Class Codes: G06K 19/0723 the record carrier comprising an arrangement for non-contact communication, e.g. wireless communication circuits on transponder cards, non-contact smart cards or RFIDs

Abstract

A mobile telecommunications terminal comprising RFID functions, in addition to an associated method are provided. In one aspect, the terminal comprises a telecommunications interface, a user interface and a data processing unit. A modification made with the aid of an RFID transponder circuit to be controlled via of RFID data records that are stored in an RFID memory unit in such a way that a flexible RFID transponder emulation is achieved at minimal cost.

Claims

1-15. -15. (canceled)

16. A mobile telecommunications terminal with RFID functionality, comprising:

a telecommunications interface for implementing wireless communication with a communications network;

a user interface;

a data processing unit for controlling the telecommunications interface, the user interface, and basic functions of the mobile telecommunications terminal;

an RFID transponder circuit directly connected to the data processing unit; and

an RFID memory unit accessible by the data processing unit, the RFID memory unit for storing;

an activation signal recognition algorithm for recognizing an RFID activation signal,

a RFID parameter data, and

an RFID password data transmission algorithm for transmitting the RFID parameter data,

wherein the data processing unit activates the RFID transponder circuit by using the activation signal recognition algorithm and the RFID password data transmission algorithm such that the RFID parameter data is sent as a function of the RFID activation signal.

17. The mobile telecommunications terminal as claimed in claim 16, wherein the RFID transponder circuit comprises a coupling coil, a bandpass filter, a rectifier, and a switching element.

18. The mobile telecommunications terminal as claimed in claim 17, further comprising:

a first lead of the coupling coil connected to ground;

a second lead of the coupling coil connected via the rectifier and the bandpass filter to an RFID input of the data processing unit for capturing the RFID activation signal;

an RFID output of the data processing unit connected to an input of the switching element;

a first lead of the switching element connected to ground; and

a second lead of the switching element connected to the second lead of the coupling coil,

wherein the data processing unit, after receiving the RFID activation signal at the RFID input, outputs the RFID parameter data at the RFID output.

19. The mobile telecommunications terminal as claimed in claim 17, wherein the bandpass filter is implemented via a capacitor, which is connected to ground with via a first lead and connected to the RFID input of the data processing unit via a second lead.

20. The mobile telecommunications terminal as claimed in claim 17, wherein the rectifier is implemented via a diode, which is connected between the RFID input and a second lead of the coupling coil.

21. The mobile telecommunications terminal as claimed in claim 17, wherein the RFID transponder circuit comprises a tuning element for tuning the coupling coil.

22. The mobile telecommunications terminal as claimed in claim 21, wherein the tuning element is connected to an RFID tuning output of the data processing unit and is activated by same.

23. The mobile telecommunications terminal as claimed in claim 21, wherein the tuning element comprises an electrically controllable tuning capacitor.

24. The mobile telecommunications terminal as claimed in claim 16, wherein the activation signal recognition algorithm, the RFID parameter data, and the RFID password data transmission algorithm are loadable via the telecommunications interface and the communications network as a function of a user input.

25. The mobile telecommunications terminal as claimed in claim 24, wherein the loadable RFID algorithms and RFID parameter data represent secure algorithms and data.

26. The mobile telecommunications terminal as claimed in claim 24, wherein the loadable RFID algorithms and RFID parameter data are updatable and in the RFID memory unit.

27. The mobile telecommunications terminal as claimed in claim 24, wherein the loadable RFID algorithms and RFID parameter data are deletable and in the RFID memory unit.

28. A method for controlling a communications system with a mobile telecommunications terminal, the system including:

an RFID reader unit for sending an RFID activation signal and for reading the RFID parameter data of the mobile telecommunications terminal,

a communications network connected to the mobile telecommunications terminal, and

a service provider unit connected to the communications network and manages the RFID reader unit,

the method comprising;

providing a telecommunications terminal, comprising;

a telecommunications interface for implementing wireless communication with a communications network,

a user interface,

a data processing unit for controlling the telecommunications interface, the user interface, and basic functions of the mobile telecommunications terminal,

an RFID transponder circuit directly connected to the data processing unit, and

an RFID memory unit accessible by the data processing unit,

receiving by the mobile telecommunications terminal a transmission from the service, the received transmission including an activation signal recognition algorithm for recognizing an RFID activation signal, an RFID parameter data transmission algorithm for transmitting the RFID parameter data, and an RFID parameter data;

storing the activation signal recognition algorithm, the RFID parameter data, and FRID password data transmission algorithm in the RFID memory unit

wherein the data processing unit activates the RFID transponder circuit by using the activation signal recognition algorithm and the RFID password data transmission algorithm such that the RFID parameter data is sent to the RFID reader unit as a function of the RFID activation signal.

29. The method as claimed in claim 28, wherein a charging process occurs in response to the transmitting of the RFID algorithms and the RFID parameter data.

30. The method as claimed in claim 29, wherein the RFID transponder circuit identifies a user and wherein the charging process is via the telecommunications interface.

31. The method as claimed in claim 28, wherein the transmission is secure in order to prevent unauthorized access.

32. The method as claimed in claim 28, wherein the service provider unit is connected to the RFID reader unit and verifies the sent RFID parameter data via the telecommunications interface and the communications network.