Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Analysis of complex waves
Reexamination Certificate
2005-09-06
2005-09-06
Deb, Anjan (Department: 2858)
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
Analysis of complex waves
C375S224000, C375S219000, C455S067140, C455S088000, C455S550100
Reexamination Certificate
active
06940263
ABSTRACT:
The invention relates to a method and an arrangement implementing the method for testing a transmitter part and receiver part in a transceiver. A signal in the transmitter part is mixed with a mixing signal for generating a signal to be connected to the receiver part, which generated signal is connected to the receiver part and the connected signal is compared with the transmitter part signal to test the transceiver. The mixing signal is generated by connecting a signal generated by means of a signal generator used in the operation of the transmitter part and/or receiver part to at least two signal branches, dividing the signal in the signal branches into at least two signals of different frequencies in the different signal branches, and generating a mixing signal from the signals of different frequencies.
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Deb Anjan
Natalini Jeff
Nokia Corporation
Squire Sanders & Dempsey L.L.P.
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