H - Electricity – 04 – N
Patent
H - Electricity
04
N
350/53, 354/230.
H04N 5/275 (2006.01)
Patent
CA 1140669
Abstract: The present invention relates to a special effects system for use with a television production switching system. The special effects system is comprised of a source of digital input signals representing switch on/off settings of the television production switching system, a source of analog input signals representing analog control settings of the television production switching system and a storage unit for storing the digital input signals and digital equivalents of the analog input signals. An addressable bi-directional analog interface is provided connected between the analog input signal source and the storage unit. The analog interface is comprised of an addressable unit for selecting one of the analog input signals, the unit being responsive to input address commands, and a converter connected to the storage unit for converting the selected ones of the analog input signals to the digital equivalents for storing in the storage unit and also for converting the stored digital equivalents to analog signals. An additional addressable unit is provided for connecting one of the analog output signals to the television production switching system for controlling the operation thereof. The unit is responsive to output address commands.
327607
Grass Valley Group Inc. (the)
Kirby Eades Gale Baker
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