Transmission failure diagnosis apparatus
US5142526A · kind A · utility
Assignees
Inventors
Key dates
| Filing date | Feb 15, 1990 |
| Grant date | Aug 25, 1992 |
| Priority date | — |
| Expiry date | Feb 15, 2010 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L12/40006
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A transmission failure diagnosis apparatus for use in a multiplex transmission system which sends and receives data by time division communication among a plurality of nodes connected by a common transmission path. This transmission failure diagnosis apparatus comprises a reception circuit, connected in the transmission path, for receiving a transmission signal on the transmission path, an amplitude detection circuit for detecting the signal amplitude of a transmission signal received by this reception circuit, and a judgment circuit for judging failures in the system on the basis of the amplitude of the transmission signal detected by the amplitude detection circuit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.