Telecommunications – Transmitter – Power control – power supply – or bias voltage supply
Reexamination Certificate
2004-04-21
2009-10-13
Nguyen, Duc (Department: 2618)
Telecommunications
Transmitter
Power control, power supply, or bias voltage supply
C455S041200
Reexamination Certificate
active
07603090
ABSTRACT:
In a circuit (2) for a communication partner appliance (1) designed for contactless communication having two activatable send modes (ABM, PBM), which send modes (ABM, PBM) differ from one another with regard to their energy requirement, a determination stage (15) is provided, which is designed to determine first energy source information (SI1), which first energy source information (SI1) is characteristic of at least one parameter of at least one energy source (11, 12) serving to supply the circuit with electrical energy, and a decision stage (26) is additionally provided, which is designed to form a decision result taking account of the first energy source information (SI1) determined with the determination stage (15), which decision result influences which send mode (ABM, PBM) is to be activated in the circuit (2) of the communication appliance (1).
REFERENCES:
patent: 6462647 (2002-10-01), Roz
patent: 6982747 (2006-01-01), Yamagishi
patent: 2004/0201539 (2004-10-01), Yewen
patent: 1 280 099 (2003-01-01), None
Amtmann Franz
Harnisch Markus
Kunkat Holger
Posch Stefan
Lu Zhiyu
Nguyen Duc
NXP B.V.
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