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. 14, 1999
Filed:
Mar. 17, 1997
Applicant:
Inventor:
Lee A Watkins, Thousand Oaks, CA (US);
Assignee:
Other;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01R / ;
U.S. Cl.
CPC ...
324 66 ; 324628 ; 324539 ;
Abstract
An electrical cable containing two or more twisted pairs of wires and having terminals at one end connected to corresponding wires is tested for possible mis-pairing of an assumed wire pair. At that end of the cable, all terminals except the two for the assumed wire pair are connected to ground. A test signal is then applied to a first terminal for the assumed wire pair, and at the same time a measurement is made of a response signal received at the second terminal for the assumed wire pair. The test signal is a time-varying signal. The strength of the response signal is compared to the test signal to establish whether the assumed pair of wires are in fact wound to each other.