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DETECTION USING TRANSMISSION NOTIFICATION

  • US 20120098692A1
  • Filed: 06/17/2010
  • Published: 04/26/2012
  • Est. Priority Date: 06/23/2009
  • Status: Active Grant
First Claim
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1. A remote controller arranged for selecting a light source among a plurality of light sources, wherein:

  • the remote controller comprises an omnidirectional transmitter and is arranged to instruct, by means of the omnidirectional transmitter, the light sources to transmit a directional signal comprising a code, which is unique for each light source;

    the remote controller comprises a directional signal receiver, and is arranged to receive the directional signals from the light sources; and

    the remote controller comprises signal comparison circuitry connected with the directional signal receiver, and is arranged to select one of the light sources on basis of the received directional signals, characterized in thatthe remote controller comprises a transmission indicator, which is arranged to generate an indication signal, indicative of a successful omnidirectional transmission, andthe remote controller is arranged to initiate the selection of one of the light sources by means of the indication signal.

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