Patent · US Expired

Device for in-service monitoring of communication transmission equipment

US5274367A · kind A · utility

4Cited by

12References

9Claims

0Family size

Assignees

U.S. Philips Corporation · US
Siemens Aktiengesellschaft · DE

Inventors

Karl Herrmann · Lenzkirch, DE
Ferdinand Narjes · Munich, DE
Erhard Steiner · Eichenau, DE
Guenter Weimert · Munich, DE

Key dates

Filing date	Oct 22, 1990
Grant date	Dec 28, 1993
Priority date	—
Expiry date	Oct 22, 2010

Classification

Technology area (CPC H)Electricity
CPC primaryH04B17/406
WIPO fieldTelecommunications
WIPO sectorElectrical engineering

Abstract

In a device for error locating and/or in-service monitoring for communication transmission equipment comprising a call unit (7, 8) that exchanges information with processor units (6) and wherein the processor units (6) are provided with addresses, a data bus (9, 9A...9H) that connects the telemetry channels of a plurality of transmission links (4; 4a...4g; 4AB...4EG) to one another is provided at at least one location (A...H).

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