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Programmable transmitter and receiver including digital radio frequency memory

  • US 7,116,242 B2
  • Filed: 11/27/2002
  • Issued: 10/03/2006
  • Est. Priority Date: 11/27/2002
  • Status: Expired due to Fees
First Claim
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1. A vehicular programmable transceiver system comprising:

  • a programmable transceiver; and

    a digital radio frequency memory (DRFM) having at least one register, wherein the DRFM samples a carrier frequency signal of a radio frequency input signal, received by the transceiver while the transceiver is in a programming mode, in response to a clock signal which is enabled upon detection of a valid baseband data signal in the radio frequency input signal, holds the sampled carrier frequency signal in the at least one register, and shifts the sampled and held carrier frequency signal from the at least one register to the transceiver for the transceiver to transmit as part of a radio frequency output signal while the transceiver is in a transmit mode.

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