Wireless signal loss detection

Details Wireless signal loss detection Wireless signal loss detection

2003-06-03

2010-12-28

Urban, Edward (Department: 2618)

Telecommunications

Transmitter and receiver at separate stations

Short range rf communication

C455S063100, C455S067160, C455S229000, C455S260000, C455S265000, C455S312000

Reexamination Certificate

active

07860460

ABSTRACT:
An apparatus included a receiver for receiving an audio file signal, a decoder for demodulating the audio file signal; and a processor for polling the decoder for a loss of a phase lock in the demodulating of the audio file signal. The processor resets and reinitializes the decoder in response to the loss in the phase lock loop. The receiver includes 90 MHz radio frequency reception circuit. The decoder comprises an eight-to-four modulation EFM decoder. In the preferred embodiment, the decoder outputs a digital audio stream that conforms to a known I2S audio stream format.

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