Recherchebereich

Symbol Version, Sprache

Ergebnisbereich

Suchanfrage: Es wurde noch keine Recherche ausgeführt.

Symbol IPC-Stellen auswählen Titel
A
Hierarchie anzeigen
HUMAN NECESSITIES
B
Hierarchie anzeigen
PERFORMING OPERATIONSTRANSPORTING
C
Hierarchie anzeigen
CHEMISTRYMETALLURGY
D
Hierarchie anzeigen
TEXTILESPAPER
E
Hierarchie anzeigen
FIXED CONSTRUCTIONS
F
Hierarchie anzeigen
MECHANICAL ENGINEERINGLIGHTINGHEATINGWEAPONSBLASTING
G
Hierarchie anzeigen
PHYSICS
H
Hierarchie anzeigen
ELECTRICITY
H01
Hierarchie anzeigen
ELECTRIC ELEMENTS
H02
Hierarchie anzeigen
GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
H03
Hierarchie anzeigen
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]
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 (producing sounds with frequency not determined by supply frequency G10K) [6]
H04R 1/00
Hierarchie anzeigen
Details of transducers (diaphragms H04R 7/00; characterised by the nature of the transducer, see the relevant group of main groups H04R 9/00-H04R 23/00; mountings specially adapted for telephone equipment H04M 1/02) [1, 2006.01]
H04R 1/02
Hierarchie anzeigen
CasingsCabinetsMountings therein (H04R 1/28 takes precedence) [1, 2006.01]
H04R 1/04
Hierarchie anzeigen
. . Structural association of microphone with electric circuitry therefor (in deaf-aid sets H04R 25/00) [1, 2006.01]
H04R 1/06
Hierarchie anzeigen
Arranging circuit leadsRelieving strain on circuit leads [1, 2006.01]
H04R 1/08
Hierarchie anzeigen
MouthpiecesAttachments therefor [1, 2006.01]
H04R 1/10
Hierarchie anzeigen
EarpiecesAttachments therefor [1, 2006.01]
H04R 1/12
Hierarchie anzeigen
Sanitary or hygienic devices for mouthpieces or earpieces, e.g. for protecting against infection [1, 2006.01]
H04R 1/14
Hierarchie anzeigen
Throat mountings for microphones [1, 2006.01]
H04R 1/16
Hierarchie anzeigen
Mounting or connecting stylus to transducer with or without damping means [1, 2006.01]
H04R 1/18
Hierarchie anzeigen
. . Holders for styliMounting holders on transducers [1, 2006.01]
H04R 1/20
Hierarchie anzeigen
Arrangements for obtaining desired frequency or directional characteristics (for stereophonic purposes H04R 5/00) [1, 2006.01]
H04R 1/22
Hierarchie anzeigen
. . for obtaining desired frequency characteristic only [1, 2006.01]
H04R 1/24
Hierarchie anzeigen
. . . Structural combinations of separate transducers or of parts of the same transducer and responsive respectively to two or more frequency ranges [1, 2006.01]
H04R 1/26
Hierarchie anzeigen
. . . Spatial arrangement of separate transducers responsive to two or more frequency ranges [1, 2006.01]
H04R 1/28
Hierarchie anzeigen
. . . Transducer mountings or enclosures designed for specific frequency responseTransducer enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means [1, 2006.01]
H04R 1/30
Hierarchie anzeigen
. . . Combinations of transducers with horns, e.g. with mechanical matching means [1, 2006.01]
H04R 1/32
Hierarchie anzeigen
. . for obtaining desired directional characteristic only [1, 2006.01]
H04R 1/34
Hierarchie anzeigen
. . . by using a single transducer with sound reflecting, diffracting, directing or guiding means [1, 2006.01]
H04R 1/36
Hierarchie anzeigen
. . . . by using a single aperture of dimensions not greater than the shortest operating wavelength [1, 2006.01]
H04R 1/38
Hierarchie anzeigen
. . . . in which sound waves act upon both sides of a diaphragm and incorporating acoustic phase-shifting means, e.g. pressure-gradient microphone [1, 2006.01]
H04R 1/40
Hierarchie anzeigen
. . . by combining a number of identical transducers [1, 2006.01]
H04R 1/42
Hierarchie anzeigen
Combinations of transducers with fluid-pressure or other non-electrical amplifying means [1, 2006.01]
H04R 1/44
Hierarchie anzeigen
Special adaptations for subaqueous use, e.g. for hydrophone [1, 2006.01]
H04R 1/46
Hierarchie anzeigen
Special adaptations for use as contact microphones, e.g. on musical instrument, on stethoscope (throat mountings H04R 1/14) [1, 2006.01]
H04R 3/00
Hierarchie anzeigen
Circuits for transducers (arrangements for producing a reverberation or echo sound G10K 15/08; amplifiers H03F) [1, 2006.01]
H04R 5/00
Hierarchie anzeigen
Stereophonic arrangements (stereophonic pick-ups H04R 9/16, H04R 11/12, H04R 17/08, H04R 19/10) [1, 2006.01]
H04R 7/00
Hierarchie anzeigen
Diaphragms for electromechanical transducersCones [1, 2006.01]
H04R 9/00
Hierarchie anzeigen
Transducers of moving-coil, moving-strip, or moving-wire type [1, 2006.01]
H04R 11/00
Hierarchie anzeigen
Transducers of moving-armature or moving-core type [1, 2006.01]
H04R 13/00
Hierarchie anzeigen
Transducers having an acoustic diaphragm of magnetisable material directly co-acting with electromagnet [1, 2006.01]
H04R 15/00
Hierarchie anzeigen
Magnetostrictive transducers [1, 2006.01]
H04R 17/00
Hierarchie anzeigen
Piezoelectric transducersElectrostrictive transducers [1, 2006.01]
H04R 19/00
Hierarchie anzeigen
Electrostatic transducers [1, 2006.01]
H04R 21/00
Hierarchie anzeigen
Variable-resistance transducers (gaseous-resistance transducers H04R 23/00; magneto-resistive transducers H04R 23/00) [1, 2006.01]
H04R 23/00
Hierarchie anzeigen
Transducers other than those covered by groups H04R 9/00-H04R 21/00 [1, 2006.01]
H04R 25/00
Hierarchie anzeigen
Deaf-aid sets [1, 2006.01]
H04R 27/00
Hierarchie anzeigen
Public address systems (circuits for preventing acoustic reaction H04R 3/02) [1, 2006.01]
H04R 29/00
Hierarchie anzeigen
Monitoring arrangementsTesting arrangements [1, 2006.01]
H04R 31/00
Hierarchie anzeigen
Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor [1, 2006.01]
H04S
Hierarchie anzeigen
STEREOPHONIC SYSTEMS [3]
H04W
Hierarchie anzeigen
WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M 1/72) [2009.01]
H05
Hierarchie anzeigen
ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
H10
Hierarchie anzeigen
SEMICONDUCTOR DEVICESELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR [2023.01]
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 ]