Anti-forge cipher trademark

Anti-forge cipher trademark

  • CN 1,102,494 A
  • Filed: 08/15/1994
  • Published: 05/10/1995
  • Est. Priority Date: 08/15/1994
  • Status: Abandoned Application
First Claim
Patent Images

1. , a kind ofly fully utilizes secret printing, communication and computing machine prior art, can be used for the method that prevents that product from being palmed off, it is characterized in that:

  • its method of operating is;

    (" product " speech can refer to material object to the owner at its every product, the sign that also can refer to a kind of service, go up password of forming by some bit digital or character of seal down together), some positions of this password are the product serial number, some positions are that the owner sets arbitrarily every product, the space encoder of setting section is quite big arbitrarily, make that a password was impossible during non-owner hit from cryptographic notion.The password of every product all is unique (other arbitrary product of getting along well is heavy mutually);

    All product ciphers, the owner leaves and deposits at the end.The printed i.e. sealing of password is through Kaifeng again after commercial link is in final user'"'"'s hand;

    The user gives owner'"'"'s (means such as available phone or mailing) with cipher feedback;

    The owner has depositing if find this password by retrieval at the end, and it was not feeding back before this, then tells the user that his purchase is genuine piece.

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