Apparatus for automatically identifying point-to-point cable interconnections among a plurality of components which are also linked via a broadcast control channel
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United States of America Patent
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Feb 13, 1996
Issued Date -
N/A
app pub date -
Dec 20, 1994
filing date -
May 3, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A system of domestic video apparatuses (10,12,14 etc.) are interconnected by video cables (64,66,68) and also by a serial data bus (D2B,16) having distributed control intelligence (20,22). Within each apparatus, signal generator and/or detector functions are defined, which can be activated and controlled via the bus (16). The video cable connections (64,66,68) between various plugs (26-1,2,3, 52-1,2,3, etc.) of the apparatuses (10,12,14) are identified automatically by interrupting signal transmission from all apparatuses involved then allowing a single transmission from an input to the connections and detecting the where the signal is output. By repeating the process with other all connections may be traced. The automatic identification of cable connections occurs without requiring additional conductors for cable detection signals.
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