Power supply for a chip card

(19)

(11)

EP 2 224 376 A8

(12)	CORRECTED EUROPEAN PATENT APPLICATION
	Note: Bibliography reflects the latest situation

(15)	Correction information:
	Corrected version no 1 (W1 A1)

(48)	Corrigendum issued on:
	03.11.2010 Bulletin 2010/44

(43)	Date of publication:
	01.09.2010 Bulletin 2010/35

(21)	Application number: 09002629.5

(22)	Date of filing: 25.02.2009

(51)

International Patent Classification (IPC):

G06K 19/07^(2006.01)

(84)	Designated Contracting States:
	AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK TR
	Designated Extension States:
	AL BA RS

(71)	Applicant: Vodafone Holding GmbH
	40213 Düsseldorf (DE)

(72)	Inventors:
	Hoeksel, Sebastiaan 6229 VN Maastricht (NL) Koraichi, Najib 6333 CT Schimmert (NL) Waters, Patrick H. Redlynch, Salisbury, SP5 2HN (GB)

(74)	Representative: Jostarndt, Hans-Dieter
	Jostarndt Patentanwalts-AG Brüsseler Ring 51 52074 Aachen 52074 Aachen (DE)

(54)	Power supply for a chip card

(57) The invention relates to a chip card (101) for inserting into a host device (102), the chip card (101) comprising a microcontroller (104), the microcontroller (104) including a processor (108; 109) and a memory unit (112; 113) and the micro-controller (104) being connected to a power terminal (106a) of the chip card (101) for receiving power from a first power supply means (107) of the host device (102). Furthermore, the chip card (101) comprises a second power supply means (114), the second power supply means (114) being configured to at least temporarily supply power to a first component of the microcontroller (104).