Local communication bus system and apparatuses for use in such a system
作者： Harm Jan Welmer
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摘要: A number of domestic audio/video apparatuses (10-14) are connected to a serial control bus (D2B, 16). Each apparatus is addressable via the as device and contains functional elements on subdevices. One (14) includes an on-screen display subdevice (41) first (24). Subdevice status messages defined whereby can ask be informed further (e.g. 26), in particular automatically any change without need for continuous polling The used obtain early confirmation signal path being established through system.
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