Patent · US Expired

Device for remotely supervising operation of a branched data-transmission network

US4476561A · kind A · utility

4Cited by
4References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 29, 1982
Grant dateOct 9, 1984
Priority date
Expiry dateMar 29, 2002

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04B17/403
  • WIPO fieldTelecommunications
  • WIPO sectorElectrical engineering

Abstract

A rotary switch selects individual incoming transmissions which characterize the actual operation of amplifiers and like components within a data-transmission network. A memory is programmed with data characteristic of incoming transmissions which indicate proper operation of the components actually supervised. As the rotary switch selects an individual transmission, the transmission is interpreted and compared with the data stored in the memory. In the event that a defective component is detected, an alarm sounds and repairs can be quickly made since the individually defective component can be identified automatically.

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