HSektion H — ElektrotechnikELECTRICITY
disable hierarchy mode: H04H04Elektrische NachrichtentechnikELECTRIC COMMUNICATION TECHNIQUE
disable hierarchy mode: H04QLink to definition of IPC symbol: H04QH04QWähltechnik (Schalter, Relais, Wähler H01H; drahtlose Nachrichtenübertragungsnetzwerke H04W) [1, 2009.01]SELECTING (switches, relays, selectors H01H;  wireless communication networks H04W) [1, 2009.01]
disable hierarchy mode: H04Q 11/00Link to definition of IPC symbol: H04Q 11/00Link to Depatisnet beginner's search with IPC symbol: H04Q 11/00H04Q 11/00Wählanordnungen für Multiplexsysteme (Multiplexsysteme H04J) [1, 2006.01]Selecting arrangements for multiplex systems (multiplex systems H04J) [1, 2006.01]
disable hierarchy mode: H04Q 11/04Link to Depatisnet beginner's search with IPC symbol: H04Q 11/04H04Q 11/04
. für Zeitmultiplex [1, 2006.01]
. for time-division multiplexing [1, 2006.01]
disable hierarchy mode: H04Q 11/08Link to Depatisnet beginner's search with IPC symbol: H04Q 11/08H04Q 11/08
. . nur im Zeitbereich arbeitendes Koppelfeld [5, 2006.01]
. . Time only switching [5, 2006.01]