×

Fuzzy pattern comparator having automatic update threshold function

  • US 5,272,657 A
  • Filed: 07/26/1991
  • Issued: 12/21/1993
  • Est. Priority Date: 07/26/1991
  • Status: Expired due to Fees
First Claim
Patent Images

1. A pattern comparator comprising:

  • means for simultaneously comparing a serial input signal to at least one pattern data signal, the comparing means simultaneously outputting at least one accumulated distance signal representing an accumulated difference between said serial input signal and said at least one pattern data signal;

    means for determining whether said at least one accumulated distance signal is an optimum value relative to a threshold, said determining means outputting a threshold win signal when said at least one accumulated distance signal is not equal to said threshold; and

    means for storing said threshold, said storing means updating said threshold with said optimum value in response to said threshold win signal and when said at least one accumulated distance signal is an optimum value relative to said threshold.

View all claims
  • 4 Assignments
Timeline View
Assignment View
    ×
    ×