Multi-drop type bus line system

Wave transmission lines and networks – Plural channel systems – Having branched circuits

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Details

200 511, 333 22R, H03H 738

Patent

active

048825549

ABSTRACT:
A multi-drop type bus line system having a plurality of terminals respectively connected to a common bus line, in which each terminal has a connector interconnecting with the other terminals and the connectors at the respective terminals are interconnected by means of a connection cable. Each connector is provided with a switch which is actuated each time the connection cable is coupled to the connector of the terminal, whereby when the connection cable is coupled to the connector, the switch releases an impedance matching resistor connected between predetermined terminal pins of the connector. Impedance matching is improved and standing waves are reduced.

REFERENCES:
patent: 3525056 (1970-08-01), Qurashi
patent: 3529264 (1970-09-01), Lancaster
patent: 3692966 (1972-09-01), Lancaster
patent: 4429384 (1984-01-01), Kaplinsky
patent: 4507627 (1985-03-01), Ito et al.

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