A TDM quasi-duplex system
US4949335A · kind A · utility
19Cited by
13References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 23, 1989 |
| Grant date | Aug 14, 1990 |
| Priority date | — |
| Expiry date | Jan 23, 2009 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B1/54
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
An improved quasi-duplex time division multiplexed (TDM) communication system provides for transmission by a talker until an interrupt command for role reversal is transmitted by a listener. Preferably, the time allocated for voice transmission is greater than the time allocated for command transmission. In this manner, the primary feature of full-duplex communications is provided simply while conserving spectrum.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.