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Security guarantee method and system

  • US 6,747,564 B1
  • Filed: 06/28/2000
  • Issued: 06/08/2004
  • Est. Priority Date: 06/29/1999
  • Status: Expired due to Fees
First Claim
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1. A security system for permitting only an authorized person to conduct a security object action extending to a plurality of security zones, comprising:

  • a portable device issued for said authorized person, and storing verification information capable of verifying authenticity of said portable device and inherent information as information inherent to said authorized person of said portable device;

    security zone security means for verifying authenticity of said portable device by using said verification information stored in said portable device carried by a person intending to enter a security zone, permitting admission of said person carrying said portable device, authenticity of which is so verified, into said security zone, and rejecting admission of said person carrying said portable device, authenticity of which is not verified, into said security zone;

    storage means;

    inherent information read means for reading said inherent information stored in said portable device from said portable device, authenticity of which is verified by said security zone security means, and storing said inherent information to said storage means;

    inherent information input means for accepting, when a person having said portable device of verified authenticity intends to conduct said security object action in a first zone, the input of inherent information by said person;

    security object action security means for permitting said security object action of said person as being the authentic person in said first zone when said inherent information accepted by said information input means coincides with said inherent information stored in said storage means, and rejecting said security object action of said person when said inherent information accepted by said information input means does not coincide with said inherent information stored in said storage means; and

    leaving management means for gaining access to said portable device carried by said person leaving said first security zone, stipulating said inherent information stored in said storage means, and erasing said stipulated inherent information from said storage means.

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