The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 13, 1981
Filed:
Nov. 13, 1978
Applicant:
Inventor:
Charles T Kao, Richardson, TX (US);
Assignee:
Recognition Equipment Incorporated, Irving, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06K / ;
U.S. Cl.
CPC ...
3401 / ;
Abstract
A MICR waveform analyzer for reading E-13B magnetic ink characters including a digital phase lock loop to locate the character, a Normalizer to compress data and equalize ink strength dynamic range, and a waveform amplitude analyzer to identify the magnetically read character is described.