Patent · US Active

System and method for terminating sealing current

US7773744B1 · kind B1 · utility

5Cited by

7References

28Claims

0Family size

Assignee

Adtran, Inc. · US

Inventor

Daniel M. Joffe · North Plainfield, US

Key dates

Filing date	Nov 4, 2004
Grant date	Aug 10, 2010
Priority date	—
Expiry date	Oct 15, 2028

Classification

Technology area (CPC H)Electricity
CPC primaryH04Q2213/1332
WIPO fieldTelecommunications
WIPO sectorElectrical engineering

Abstract

A sealing current system for a subscriber line that comprises a power source coupled to a first end of the subscriber line configured to apply a voltage to the subscriber line. The sealing current termination circuit coupled to a second end of the subscriber line configured to limit a current in the subscriber line, the current produced by the applied voltage.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.