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Control system for controlling consumer apparatus

  • US 5,650,775 A
  • Filed: 04/04/1995
  • Issued: 07/22/1997
  • Est. Priority Date: 07/06/1989
  • Status: Expired due to Fees
First Claim
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1. A control system for controlling a plurality of consumer devices included in a plurality of destination apparatuses which are coupled together via a transmission bus, a consumer device having one or more control functions, said control system comprising:

  • a source apparatus coupled to said transmission bus and comprising command generating means for generating a command item comprising an operation code followed by one or more command operand codes thereby to selectively address said destination apparatuses, and means for transmitting said command item over said transmission bus, and whereineach said destination apparatus includes means for receiving the command item and in response thereto accessing a local command table of an addressed destination apparatus, said local command table containing a first address category for storing general commands having a uniform meaning for all of said plurality of apparatuses and a second address category mutually exclusive of said first address category and containing group function commands having uniform meaning across a subset of all of said control functions for autonomously carrying out a particular one of the control functions of the addressed destination apparatus.

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