Video store and forward on demand apparatus and method
US5285272A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 26, 1991 |
| Grant date | Feb 8, 1994 |
| Priority date | — |
| Expiry date | Feb 26, 2011 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N7/20
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A two-stage television signal distribution system, useful for distribution where the first stage of the television distribution occurs over satellite, has a distribution control center for encoding system control information in the vertical blanking interval of a television signal to be broadcast over a first transmission medium to at least one receive station, each receive station being provided with a plurality of video cassette recorders for storing incoming television signals under control of the system control information contained in the television signal. The system further includes a second transmission medium having multiple television channel capacity for transmitting television signals from a receive station to a plurality of terminations (i.e. the audience) where the television signals carried on the second transmission medium include television signals previously stored at the receiving station and may also include the television signal carried on the first transmission medium.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.