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:
Dec. 20, 1977
Filed:
Jun. 10, 1976
Applicant:
Inventor:
Ronald Howard Chapman, Wheaton, IL (US);
Assignee:
Motorola, Inc., Schaumburg, IL (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04Q / ; G06F / ;
U.S. Cl.
CPC ...
3401 / ; 328136 ; 3401 / ; 3401462 ; 3401 / ; 3401 / ; 364514 ;
Abstract
A few cycles of an input signal are correlated, or compared, with a few cycles of the input signal received at a previous interval and the interval is varied when correlation, or a positive comparison, has been obtained with the apparatus providing an output or detection signal after a predetermined number of correlations have occurred.