Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
DIFF Subgroup
H04Q 9/16

by predetermined number of pulses

Introduced: September 1968

Full Title

Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom > Calling by using pulses > by predetermined number of pulses

No child classifications to compare. This is a leaf node in both IPC and CPC.