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Identification system, physical apparatus, identification apparatus, and identification method of physical apparatus

  • US 9,395,808 B2
  • Filed: 11/12/2013
  • Issued: 07/19/2016
  • Est. Priority Date: 08/26/2013
  • Status: Expired due to Fees
First Claim
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1. An identification system, comprising:

  • a physical apparatus, having a path circuit coupled to an identification detecting pin; and

    an identification apparatus, transmitting a probe signal to the identification detecting pin and receiving a reflected signal through the identification detecting pin, wherein the reflected signal is generated by the probe signal which responds to an impedance characteristic of the path circuit, and the identification apparatus obtains identification information of the physical apparatus according to the impedance characteristic of the path circuit which is responded by the reflected signal,wherein the path circuit comprises at least two trace loads with different impedance characteristics which are electrically connected with each other.

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