Communication method and apparatus
US5555294A · kind A · utility
7Cited by
4References
29Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 7, 1995 |
| Grant date | Sep 10, 1996 |
| Priority date | — |
| Expiry date | Jun 7, 2015 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04Q2213/299
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A communication apparatus capable of transmission and reception simultaneously through a plurality of communication channels of an ISDN basic interface has a communication mode which leaves at least one of the plurality of communication channels free. If this mode has been set, transmission or reception is allowed when this one communication channel among the plurality thereof is made free for the transmission or reception.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.