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Electronic identification system having remote automatic response capability and automatic identification method thereof

  • US 5,475,377 A
  • Filed: 06/24/1993
  • Issued: 12/12/1995
  • Est. Priority Date: 10/31/1991
  • Status: Expired due to Fees
First Claim
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1. An electronic identification system having remote automatic response capability, comprising:

  • at least one portable electronic apparatus to receive a call signal and to detect a specific code in the call signal and determining whether the specific code matches one of a plurality of specific codes registered in a first memory, said portable electronic apparatus reading a corresponding user access code from the first memory when the specific code matches one of said plurality of specific codes and transmitting an identification signal containing the user access code; and

    at least one automatic identification control apparatus to detect said portable electronic apparatus in possession of a user within a detection area and to read a specific code from a second memory, said automatic identification control apparatus transmitting said call signal containing the specific code upon detection of said portable electronic apparatus, said automatic identification system detecting the user access code contained in said identification signal which is transmitted from said portable electronic apparatus in response to the call signal and operating a piece of equipment if said user access code matches one of a plurality of user access codes registered in the second memory.

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