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Light source device

  • US 6,693,397 B2
  • Filed: 07/31/2002
  • Issued: 02/17/2004
  • Est. Priority Date: 08/23/2001
  • Status: Active Grant
First Claim
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1. A light-source device comprising:

  • a lamp unit having a light-source lamp;

    a container part for removably containing the lamp unit;

    a counter for measuring illumination time information of the light-source lamp when the lamp unit is installed in the container part;

    a first antenna for sending the illumination time information measured by the counter to the lamp unit;

    a second antenna, which is provided in the lamp unit, for receiving the illumination time information which is sent from the first antenna; and

    a rewritable memory, which is provided in the lamp unit, for storing the illumination time information received by the second antenna.

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