Communications: electrical – Continuously variable indicating – With meter reading
Patent
1990-04-30
1991-03-19
Yusko, Donald J.
Communications: electrical
Continuously variable indicating
With meter reading
34082508, 34082522, 358185, H04Q 900
Patent
active
050014730
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 recorder when the recording is complete, the termination of the operation is performed by stopping the second video recorder and then reassigning the first return address in the control unit so as to assign the control unit to the first video recorder, and then stopping the first video recorder.
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Ritter Uwe
Sturm Rainer
BTS Broadcast Television Systems GmbH
Holloway III Edwin C.
Yusko Donald J.
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