Signature

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Signatures are the encoding format that the taggers use to communicate. Signatures are created by activating and deactivating the basic infrared signal for specific lengths of time. The patents specify a +/-10% tolerance for all timings.

  • Pre Sync - Active - 3ms
  • Pre Sync Pause - Inactive - 6ms
  • Sync - Active
  • Data bits (in order from most to least significant)
    • Pause - Inactive - 2ms
    • Data Bit - Active
      • 1ms - 0
      • 2ms - 1
    • [..]
  • Special Format Pause - Inactive
    • 56ms - Tag signature
    • 80ms - Checksum signature
    • 25ms - All others