RF transmission—reception device

Communications: electrical – Condition responsive indicating system – Specific condition

Reexamination Certificate

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Details

C340S539160, C340S010100, C455S127100, C455S572000

Reexamination Certificate

active

07057513

ABSTRACT:
This invention relates to an RF transmission-reception device an antenna, a transmission part that includes a power amplifier that outputs an RF signal with modulated power to the antenna, a reception part, a digital processing and interface module, in which the input signal is picked up at the reception part by taking a current sample at the power supply regulator to generate an image current of the current amplitude output by the antenna to the power amplifier.

REFERENCES:
patent: 5929776 (1999-07-01), Warble et al.
patent: 6049292 (2000-04-01), Einfeldt et al.
patent: 6259301 (2001-07-01), Gailus et al.
patent: 6266545 (2001-07-01), Backman et al.
patent: 6281758 (2001-08-01), Elsayed et al.
patent: 6300881 (2001-10-01), Yee et al.
patent: 2002/0008611 (2002-01-01), Wuidart

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