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Data transmission system and wearable communication device

  • US 20040155790A1
  • Filed: 01/16/2004
  • Published: 08/12/2004
  • Est. Priority Date: 01/24/2003
  • Status: Abandoned Application
First Claim
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1. A data transmission system comprising:

  • a first electronic apparatus to transmit a synchronous signal at given intervals;

    a second electronic apparatus which has reception periods synchronous with the respective synchronous signals, and which receives the synchronous signal for each of the reception periods.

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