Method of controlling a multiplicity of units of video apparatus
US5001473A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 30, 1990 |
| Grant date | Mar 19, 1991 |
| Priority date | — |
| Expiry date | Apr 30, 2010 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N5/222
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Several video cassette recorders are among studio video equipments operated from a control unit at a control desk as a cluster of studio video equipments interconnected by a coaxial line constituting a digital data bus. The video cassette recorders have simple addresses and the control unit has a multiplicity of addresses which are all recognizable at the video cassette equipment as an address for the control unit. In starting an operation a return address is selected at the control unit and stored therein so as to exclude normal responses or notifications from the recorders directed to that address, while that address is supplied to a selected video recorder as the source address of an initial communication to the selected video recorder. That address is stored in the selected video recorder as the address for response to the control unit. The control unit can, without stopping the operation of the first selected video recorder in playback assign and store another return address and communicate it to another video recorder which is to be put into operation to record the playback from the first video recorder. Since the control unit is exclusively connected to the second video reco…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.