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:
Apr. 13, 2004
Filed:
Apr. 17, 2000
Applicant:
Inventor:
Paul Michael Kingsley, Monument, CO (US);
Assignee:
Agilent Technologies, Inc., Palo Alto, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04Q 7/20 ;
U.S. Cl.
CPC ...
H04Q 7/20 ;
Abstract
An echo plug is plugged into a hands-free jack of a wireless telephone for testing purposes. A test signal is transmitted from a test system to the wireless telephone over a test call. In the echo plug, the test signal is looped back from a speaker connection to a microphone connection of the hands-free jack. The test signal is transmitted from the wireless telephone to the test system over the test call. In other embodiments, an echo plug is used to loop a test signal from a speaker connection of a first wireless telephone to a microphone connection of a second wireless telephone.