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Remote control extension with limited command duration

  • US 9,135,814 B2
  • Filed: 12/12/2006
  • Issued: 09/15/2015
  • Est. Priority Date: 12/22/2005
  • Status: Active Grant
First Claim
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1. A system for remote control of at least an appliance, the system comprising:

  • a remote control device; and

    an extender coupled to the remote control device via a network, wherein the extender is located in a line of sight of a receiver of the appliance, while the remote control device is not in the line of sight of the receiver of the appliance,the remote control device being adaptedfor transmitting messages containing a description of a repeat command to the extender via the network during a period of an expected repeat command of the remote control device having a variable time duration, wherein the expected repeat command of the remote control device corresponds with an effective repeat command generated by the extender based on the description of the repeat command, wherein the effective repeat command generated by the extender is to be transmitted from the extender to the appliance;

    the extender being adaptedfor receiving the messages transmitted from the remote control device via the network, wherein the messages include one or more of a start message, an alive message, and a stop message that describe the repeat command,for transmitting the effective repeat command to the appliance for a limited command duration as long as the extender receives the messages containing the description of the repeat command from the remote control device via the network, andfor finishing the transmission of the effective repeat command to the appliance unequivocally, (i) if an expected message has not been received by the extender from the remote control device via the network within a predetermined time, wherein the expected message comprises one or more of the start message and the alive message and (ii) if one of the messages transmitted from the remote control device via the network to the extender is delayed beyond a predetermined time in case of perturbations on the network.

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