Patents Assigned to James N. Constant
  • Recursive filter
    Patent number: 4228517
    Abstract: A recursive filter characterized by increased efficiency and accuracy and incorporating a step decision circuit which reduces filter noise, error and size. Efficiency is obtained by reducing the requirement for bulk memory and the number of multipliers while accuracy is obtained by reducing error portions of data and coefficient words in the filter.
    Type: Grant
    Filed: December 18, 1978
    Date of Patent: October 14, 1980
    Assignee: James N. Constant
    Inventor: James N. Constant