Recherchebereich

Symbol Version, Sprache

Ergebnisbereich

Suchanfrage: Es wurde noch keine Recherche ausgeführt.

Symbol IPC-Stellen auswählen Titel
A
Hierarchie anzeigen
SECTION A — HUMAN NECESSITIES
B
Hierarchie anzeigen
SECTION B — PERFORMING OPERATIONSTRANSPORTING
C
Hierarchie anzeigen
SECTION C — CHEMISTRYMETALLURGY
D
Hierarchie anzeigen
SECTION D — TEXTILESPAPER
E
Hierarchie anzeigen
SECTION E — FIXED CONSTRUCTIONS
F
Hierarchie anzeigen
SECTION F — MECHANICAL ENGINEERINGLIGHTINGHEATINGWEAPONSBLASTING
G
Hierarchie anzeigen
SECTION G — PHYSICS
H
Hierarchie anzeigen
SECTION H — ELECTRICITY
H01
Hierarchie anzeigen
BASIC ELECTRIC ELEMENTS
H02
Hierarchie anzeigen
GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
H03
Hierarchie anzeigen
BASIC ELECTRONIC CIRCUITRY
H04
Hierarchie anzeigen
ELECTRIC COMMUNICATION TECHNIQUE
H04B
Hierarchie anzeigen
TRANSMISSION [4]
H04H
Hierarchie anzeigen
BROADCAST COMMUNICATION (multiplex communication H04J; pictorial communication aspects of broadcast systems H04N)
H04J
Hierarchie anzeigen
MULTIPLEX COMMUNICATION (peculiar to transmission of digital information H04L 5/00; systems for the simultaneous or sequential transmission of more than one television signal H04N 7/08; in exchanges H04Q 11/00)
H04K
Hierarchie anzeigen
SECRET COMMUNICATIONJAMMING OF COMMUNICATION
H04L
Hierarchie anzeigen
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) [4]
H04L 1/00
Hierarchie anzeigen
Arrangements for detecting or preventing errors in the information received
H04L 1/02
Hierarchie anzeigen
by diversity reception
H04L 1/04
Hierarchie anzeigen
. . using frequency diversity
H04L 1/06
Hierarchie anzeigen
. . using space diversity
H04L 1/08
Hierarchie anzeigen
by repeating transmission, e.g. Verdan system
H04L 1/12
Hierarchie anzeigen
by using return channel
H04L 1/14
Hierarchie anzeigen
. . in which the signals are sent back to the transmitter to be checked
H04L 1/16
Hierarchie anzeigen
. . in which the return channel carries supervisory signals, e.g. repetition request signals
H04L 1/18
Hierarchie anzeigen
. . . Automatic repetition systems, e.g. van Duuren system
H04L 1/20
Hierarchie anzeigen
using signal-quality detector [3]
H04L 1/22
Hierarchie anzeigen
using redundant apparatus to increase reliability [3]
H04L 1/24
Hierarchie anzeigen
Testing correct operation [3]
H04L 5/00
Hierarchie anzeigen
Arrangements affording multiple use of the transmission path
H04L 7/00
Hierarchie anzeigen
Arrangements for synchronising receiver with transmitter
H04L 9/00
Hierarchie anzeigen
Arrangements for secret or secure communication
H04L 12/00
Hierarchie anzeigen
Data switching networks (interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units G06F 13/00) [5]
H04L 13/00
Hierarchie anzeigen
Details of the apparatus or circuits covered by groups H04L 15/00 or H04L 17/00
H04L 15/00
Hierarchie anzeigen
Apparatus or local circuits for transmitting or receiving dot-and-dash codes, e.g. Morse code (teaching apparatus therefor G09B; telegraph tapping keys H01H 21/86)
H04L 17/00
Hierarchie anzeigen
Apparatus or local circuits for transmitting or receiving codes wherein each character is represented by the same number of equal-length code elements, e.g. Baudot code
H04L 19/00
Hierarchie anzeigen
Apparatus or local circuits for step-by-step systems
H04L 21/00
Hierarchie anzeigen
Apparatus or local circuits for mosaic printer telegraph systems
H04L 23/00
Hierarchie anzeigen
Apparatus or local circuits for systems other than those covered by groups H04L 15/00-H04L 21/00
H04L 25/00
Hierarchie anzeigen
Baseband systems
H04L 27/00
Hierarchie anzeigen
Modulated-carrier systems
H04L 29/00
Hierarchie anzeigen
Arrangements, apparatus, circuits or systems, not covered by a single one of groups H04L 1/00-H04L 27/00 [5]
H04M
Hierarchie anzeigen
TELEPHONIC COMMUNICATION (circuits for controlling other apparatus via a telephone cable and not involving telephone switching apparatus G08)
H04N
Hierarchie anzeigen
PICTORIAL COMMUNICATION, e.g. TELEVISION [4]
H04Q
Hierarchie anzeigen
SELECTING (switches, relays, selectors H01H;  wireless communication networks H04W) [1, 2009.01]
H04R
Hierarchie anzeigen
LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERSDEAF-AID SETSPUBLIC ADDRESS SYSTEMS (generating mechanical vibrations in general B06B; transducers for measuring particular variables G01; transducers in clocks G04; producing sounds with frequency not determined by supply frequency G10K; transducers in recording or reproducing heads G11B; transducers in motors H02) [6]
H04S
Hierarchie anzeigen
STEREOPHONIC SYSTEMS (information storage on discs or tapes G11B; broadcast systems for the distribution of stereophonic information H04H 20/88; multiplex systems in general H04J) [3]
H04W
Hierarchie anzeigen
WIRELESS COMMUNICATION NETWORKS [2009.01]
H05
Hierarchie anzeigen
ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
H99
Hierarchie anzeigen
SUBJECT MATTER NOT OTHERWISE PROVIDED FOR IN THIS SECTION [2006.01]

Zu vergleichende IPC-Stelle: Es wurden im Verzeichnis noch keine IPC-Stellen für die Vergleichsansicht vorgemerkt. [Version , Sprache ]