Data carrier for processing signal stream according to...

Details Data carrier for processing signal stream according to... Data carrier for processing signal stream according to...

2007-09-18

2007-09-18

Cao, Chun (Department: 2115)

Electrical computers and digital processing systems: support

Computer power control

C713S324000, C340S010340, C340S010400

Reexamination Certificate

active

10486160

ABSTRACT:
In a data carrier (1) and in an integrated circuit (5), a first signal processing circuit (8) with a signal-independent power supply is provided for processing a signal stream (SF1) in accordance with a first transmission protocol, and a second signal processing circuit (9) with a signal-dependent power supply is provided for processing a signal stream (SF2) in accordance with a second transmission protocol, which signal stream (SF2) in accordance with the second transmission protocol comprises a signal characteristic, namely a lead signal (VLS), and a detection circuit (25) is provided, which detection circuit is designed for detecting the lead signal (VLS) and ensuring the supplying of the second signal processing circuit (9) with power from a power source (14) provided for the second signal processing circuit (9) following a recognition of the occurrence of the lead signal (VLS).

REFERENCES:
patent: 4554508 (1985-11-01), Haque
patent: 5519386 (1996-05-01), Tobergte
patent: 6489883 (2002-12-01), Iiyama et al.
patent: 6581844 (2003-06-01), Thueringer et al.
patent: 6980084 (2005-12-01), Yones
patent: 6996726 (2006-02-01), Den Besten et al.
patent: 7137003 (2006-11-01), Krishnan et al.
patent: 0926623 (1999-06-01), None

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