Random access, multiple station communication system
US4020289A · kind A · utility
17Cited by
6References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 4, 1975 |
| Grant date | Apr 26, 1977 |
| Priority date | — |
| Expiry date | Aug 4, 1995 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04Q11/02
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A plurality of communication stations is interconnected by conductors. Each station includes a transmitter and a receiver as well as control means. The transmitters transmit on any of several frequency bands, each such band being assigned to the receiver of a remote station. A signal generator interconnects the stations and generates intervalled pulse trains upon which the control means of the stations operate to impress coded control pulses. The stations include novel phase locking and phase detecting circuits.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.