H | Sektion H — Elektrotechnik | ELECTRICITY | |||||
![]() | H04 | Elektrische Nachrichtentechnik | ELECTRIC COMMUNICATION TECHNIQUE | ||||
![]() ![]() | H04W | Drahtlose Kommunikationsnetze (Rundfunkübertragung H04H; Kommunikationssysteme, die drahtlose Verbindungen für nichtselektive Kommunikation verwenden, z.B. drahtlose Nebensprechanlagen H04M 1/72) [2009.01] | WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M 1/72) [2009.01] | ||||
![]() ![]() ![]() | H04W 52/00 | Energiekontrolle [2009.01] | Power management [2009.01] | ||||
![]() ![]() ![]() | H04W 52/04 |
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![]() ![]() | H04W 52/54 |
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![]() ![]() | H04W 52/58 |
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