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:
Jul. 24, 2012
Filed:
Apr. 23, 2009
Applicant:
Michael S. Hagen, Vancouver, WA (US);
Inventor:
Michael S. Hagen, Vancouver, WA (US);
Assignee:
Tektronix, Inc., Beaverton, OR (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G01R 19/00 (2006.01); G01R 31/00 (2006.01); G01P 21/00 (2006.01); G01D 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A test and measurement instrument including a plurality of channels, each channel configured to receive a corresponding input signal. Each channel includes a comparator configured to compare the input signal to a threshold for the channel; an edge detector configured to detect an edge of an output signal of the comparator; and a threshold controller configured to adjust the threshold for the channel in response to the edge detector.