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:
Aug. 31, 1993
Filed:
Sep. 13, 1991
Applicant:
Inventor:
Tran Thong, Beaverton, OR (US);
Assignee:
Tektronix, Inc., Wilsonville, OR (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G / ;
U.S. Cl.
CPC ...
340701 ; 340703 ; 340722 ;
Abstract
The present invention provides a method of displaying characteristics of a signal, where minimum amplitude of the signal during an interval is graphed versus time, maximum amplitude of the signal during the interval is graphed versus time, and the color or greyness of the area between the minimum amplitude graph and the maximum amplitude graph represents the average frequency during the interval of the amplitude measurements.