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Repeating radio frequency transmission system for extending the effective operational range of an infrared remote control system

  • US 7,574,141 B2
  • Filed: 12/08/2005
  • Issued: 08/11/2009
  • Est. Priority Date: 04/19/2001
  • Status: Expired due to Fees
First Claim
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1. A method for transmitting an infrared control signal from a remote control to a controlled device, the method comprising:

  • (a) receiving an infrared control signal from a remote control device after a user has activated a remote control command;

    (b) augmenting the IR signal by adding an identifying signal resulting in an augmented electronic signal, the identifying signal identifying a transmitter or a controlled device;

    (c) converting the augmented electronic signal to a radio frequency signal;

    (d) transmitting the radio frequency signal;

    (e) receiving the radio frequency signal;

    (f) wherein a-d are performed during a mode of operational control of the controlled device.

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