STATIONARY ANALOG FM-RECEIVER FOR RECEIVING ANALOG WIRELESSLY TRANSMITTED FM-AUDIO SIGNALS FROM AT LEAST ONE MOBILE UNIT AND A METHOD OF RECEIVING AN ANALOG FREQUENCY-MODULATED AUDIO SIGNAL FROM A MOBILE ANALOG FM-TRANSMITTER
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United States of America Patent
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Issued Date -
Sep 5, 2013
app pub date -
Jan 29, 2013
filing date -
Jan 31, 2012
priority date (Note) -
Abandoned
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Abstract
There is provided a stationary analog FM-receiver for receiving analog wirelessly transmitted FM-audio signals from at least one mobile unit. The frequency has a frequency demodulator (FDM) for demodulating the received FM-audio signals. The FM-receiver further has a link quality unit (LQE) for determining a link quality for the wireless transmission of the FM-audio signals. The link quality unit (LQE) has a high-pass filter (HP) with a limit frequency for high-pass filtration of an output signal of the frequency demodulator (FDM) and a power determining unit (SE, LBE) for determining the power of the output signal of the high-pass filter (HP). The limit frequency of the high-pass filter (HP) lies in the region of between 20 kHz and 80 kHz, in particular in the region of between 50 kHz and 80 kHz.
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