whereby duration of pulse or interval between two pulses is variable

Introduced: September 1968

Last revised: January 2006

Full Title

Details of selecting apparatus or arrangements > Electrical details > Signalling arrangements; Manipulation of signalling currents > whereby duration of pulse or interval between two pulses is variable

Classification Context

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

1 direct subcode

Child Classifications

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H04Q 1/42 involving the position of a pulse in a cycle