Buffer memory dispersion type video/audio transmission system
US4538176A · kind A · utility
183Cited by
6References
5Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Nov 26, 1979 |
| Grant date | Aug 27, 1985 |
| Priority date | — |
| Expiry date | Nov 26, 1999 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N2007/1739
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A video/audio transmission system for sending video and audio information from video and audio files of a center to a subscriber through a subscriber's junction line is disclosed in which at least one subcenter having a video/audio buffer memory, an exchange and the like is disposed near to the subscriber to reduce the number of repeaters arranged on the subscribers junction line, and in which the video and audio information is transmitted from the center to the sub-center in a time division multiplex fashion to reduce the number of transmission lines between the center and the sub-center.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.