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:
Feb. 19, 2002
Filed:
Sep. 11, 1998
Applicant:
Inventors:
David C. Goldthorp, Reiffton, PA (US);
Thomas Dang, Laureldale, PA (US);
Glen A. Johnson, Reading, PA (US);
Assignee:
Agere Systems Inc., Miami Lakes, FL (US);
Primary Examiner:
Int. Cl.
CPC ...
G01R 1/300 ;
U.S. Cl.
CPC ...
G01R 1/300 ;
Abstract
The invention relates to a circuit for testing digital logic circuitry to determine the rise and fall time associated with a particular circuit. The circuit is tested by sending a test signal to the input of the circuit and measuring the area under a waveform taken at the output of the circuit.