Patent ID: 6456892
Filing Date: 2002-09-24
Classification: G05B,H04L

Abstract:
In a network of electronic devices including a target and a plurality of controllers, a method of controlling said target comprising the steps of:a) a controller requesting information from said target regarding controlling said target; b) said target sending elements of a user interface to said controller, said target maintaining in memory a structured description of said user interface including organizational and non-organizational elements; c) said controller generating said user interface based on said control elements and based on the display capabilities of said controller, said controller also allowing a user to interact with said user interface and sending user event messages to said target in response thereto; d) said target interpreting said user event messages, and in response, altering an operational state of said target and generating a state change message for said plurality of controllers; and e) said plurality of controllers updating their respective user interface based on said state change message from said target, said target thereby maintaining consistency among all of said plurality of controllers.