System and method for programming and transmitting macros for controlling audio/video devices
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United States of America Patent
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-
Sep 2, 2003
Grant Date -
N/A
app pub date -
Apr 1, 1999
filing date -
Apr 1, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A system for programming/controlling various audio/video devices coupled to one another via a bus structure, through the use of a single macro key utilizes an addressing structure. Each various audio/video device includes memory and a processor/controller for the memory and bus management. The memory is divided into master data memory and slave data memory depending on the role of the audio/video device. Data transfer over the bus only contains dummy numbers that are used as macro command addresses, with the macro data itself processed and stored in the various audio/video device. This eliminates the need to store the different commands of the various audio/video devices in the device chosen to initiate the macro. For each macro, one audio/video device is the master device while the remaining audio/video devices are slaves.
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