Signalling by pulses

Introduced: September 1968

Last revised: January 2006

Full Title

Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange > with direct connection for all subscribers, i.e. party-line system > Signalling by pulses

Classification Context

Section:: ELECTRICITY
Class:: ELECTRIC COMMUNICATION TECHNIQUE
Subclass:: SELECTING

1 direct subcode

Child Classifications

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H04Q 5/16 by predetermined number of pulses