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Light output device, relay and program for controlling the light output device

  • US 7,307,541 B2
  • Filed: 03/07/2003
  • Issued: 12/11/2007
  • Est. Priority Date: 03/08/2002
  • Status: Expired due to Fees
First Claim
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1. A light output device for communicating with another light output device, the light output device comprising:

  • an external information receiver for receiving first external information, wherein the first external information is a first portion of external information transmitted from a source outside of the light output device;

    an external information acquisition unit for acquiring second external information, wherein the second external information is a second portion of the external information and the second external information is different than the first external information;

    a light output unit for outputting light; and

    a light output controller for controlling, based on a relation between information related to a condition of a user of the other light output device included into the first external information and information related to a condition of a user of the light output device included into the second external information, a light output of the light output unit to be in one or more output states selected from among three or more output states.

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