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:
Jun. 02, 1998
Filed:
Dec. 27, 1995
Applicant:
Inventor:
Kirk Dow Sanders, San Jose, CA (US);
Assignee:
Siemens Business Communication Systems, Inc., Santa Clara, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04M / ; H04M / ; H04M / ;
U.S. Cl.
CPC ...
379 22 ; 379 10 ; 379 15 ; 379 29 ;
Abstract
An integrated circuit is provided for a trunk interface which can test a trunk interface card. Switching circuitry couples tip and ring leads to signal detection circuitry which detects the typical ring and lead signal information. During testing, a test signal is generated which causes the detection circuitry to be coupled to sets of simulated ring and tip test signals which can test the functionality of the integrated circuit and the signal detection circuitry.
Sanders, Kirk. (1998). Analog self-test circuitry for a trunk interface (U.S. Patent No. 5761273). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5761273
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile