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deaf-aid sets (482745) 482745
electric communication technique (482745) 482745
electricity (482745) 482745
loudspeakers, microphones, gramophone pick-ups or likeacoustic electromechanical transducers (482745) 482745
public address systems (482745) 482745
physics (109928) 109928
acoustics (53237) 53237
musical instruments (53237) 53237
performing operations (40395) 40395
transporting (40395) 40395
human necessities (36036) 36036
stereophonic systems (29492) 29492
measuring (28927) 28927
testing (28927) 28927
acoustics not otherwise provided for (28538) 28538
methods or devices for protecting against, or for damping,noise or other acoustic waves in general (28538) 28538
sound-producing devices (28538) 28538
telephonic communication (28393) 28393
basic electric elements (27373) 27373
hygiene (27179) 27179
medical or veterinary science (27179) 27179
basic electronic circuitry (26554) 26554
speech analysis or synthesis (22721) 22721
speech or audio coding or decoding (22721) 22721
speech or voice processing (22721) 22721
speech recognition (22721) 22721
calculating (20955) 20955
computing (20955) 20955
counting (20955) 20955
transmission (20141) 20141
electric digital data processing (18651) 18651
surgery (15583) 15583
diagnosis (15582) 15582
identification (15582) 15582
electric solid state devices not otherwise provided for (14333) 14333
semiconductor devices (14333) 14333
pictorial communication, e.g. television (13469) 13469
general tagging of cross-sectional technologies spanning over several sections of the ipc (13428) 13428
general tagging of new technological developments (13428) 13428
technical subjects covered by former uspc cross-reference art collections [xracs] and digests (13428) 13428
control of amplification (13387) 13387
for performing mechanical work in general (12678) 12678
generating or transmitting mechanical vibrations in general (12678) 12678
methods or apparatus for generating or transmitting mechanicalvibrations of infrasonic, sonic, or ultrasonic frequency (12678) 12678
technical subjects covered by former uspc (12276) 12276
vehicles in general (11371) 11371
information storage (10948) 10948
information storage based on relative movement between recordcarrier and transducer (10304) 10304
analogous arrangements using other waves (10245) 10245
determining distance or velocity by use of radio waves (10245) 10245
locating or presence-detecting by use of the reflection orreradiation of radio waves (10245) 10245
radio direction-finding (10245) 10245
radio navigation (10245) 10245
technical subjects covered by former us classification (10059) 10059
vehicles, vehicle fittings, or vehicle parts, not otherwiseprovided for (9556) 9556
heating (9184) 9184
blasting (9183) 9183
lighting (9183) 9183
mechanical engineering (9183) 9183
weapons (9183) 9183
conversion or distribution of electric power (8462) 8462
generation (8462) 8462
bandages, dressings or absorbent pads (8406) 8406
devices providing patency to, or preventing collapsing of,tubular structures of the body, e.g. stents (8406) 8406
filters implantable into blood vessels (8406) 8406
first-aid kits (8406) 8406
fomentation (8406) 8406
orthopaedic, nursing or contraceptive devices (8406) 8406
prostheses (8406) 8406
treatment or protection of eyes or ears (8406) 8406
electric techniques not otherwise provided for (8235) 8235
investigating or analysing materials by determining theirchemical or physical properties (8221) 8221
casings or constructional details of electric apparatus (7269) 7269
manufacture of assemblages of electrical components (7269) 7269
printed circuits (7269) 7269
amplifiers (6956) 6956
microstructural technology (5765) 5765
measurement of mechanical vibrations or ultrasonic, sonic orinfrasonic waves (5473) 5473
microstructural devices or systems, e.g. micromechanicaldevices (5424) 5424
signalling (5309) 5309
impedance networks, e.g. resonant circuits (5269) 5269
resonators (5269) 5269
wireless communications networks (5033) 5033
chemistry (4858) 4858
metallurgy (4858) 4858
broadcast communication (4713) 4713
transmission of digital information, e.g. telegraphiccommunication (4688) 4688
advertising (4447) 4447
cryptography (4447) 4447
display (4447) 4447
education (4447) 4447
seals (4447) 4447
electrophonic musical instruments (4335) 4335
current collectors (4284) 4284
line connectors (4284) 4284
optics (4268) 4268
radiation therapy (4232) 4232
ultrasound therapy (4232) 4232
electrotherapy (4229) 4229
magnetotherapy (4229) 4229
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English (418850) 418850
Chinese (93356) 93356
French (69979) 69979
German (56713) 56713
Japanese (18685) 18685
Korean (18129) 18129
Danish (3434) 3434
Spanish (2978) 2978
Russian (2688) 2688
Portuguese (1598) 1598
Swedish (1318) 1318
Italian (1011) 1011
Dutch (954) 954
Finnish (813) 813
Norwegian (626) 626
Polish (252) 252
Turkish (130) 130
Czech (124) 124
Hungarian (106) 106
Ukrainian (106) 106
Romanian (88) 88
Indonesian (54) 54
Bulgarian (51) 51
Hebrew (51) 51
Greek (38) 38
Slovenian (34) 34
Serbian (27) 27
Estonian (25) 25
Lithuanian (16) 16
Croatian (14) 14
Latvian (14) 14
Slovak (14) 14
Arabic (4) 4
Icelandic (3) 3
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10/2020
An electromechanical transducer includes: a structural portion configured such that two pairs of magnets magnetized in opposite directions, a yoke configured... 
ELECTRIC COMMUNICATION TECHNIQUE | PUBLIC ADDRESS SYSTEMS | LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS | ELECTRICITY | DEAF-AID SETS
Patent
07/2020
A transducer includes a hollow housing, and a piezoelectric sheet which is disposed on a first portion of an inner wall of the housing, and a block... 
ELECTRIC COMMUNICATION TECHNIQUE | PUBLIC ADDRESS SYSTEMS | LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS | ELECTRICITY | DEAF-AID SETS
Patent
07/2020
본 발명의 다양한 실시 예는 진동자에 관한 것이다. 본 발명의 다양한 실시 예에 따르면, 진동자는 하우징; 상기 하우징 내부에 위치하는 진동판; 상기 진동판의 상면의 중앙에 부착된 제1 마그넷; 상기 제1 마그넷과 대향하며 상기 진동판의 하면의 중앙에 부착된 제2 마그넷; 상기 하우징... 
ELECTRIC COMMUNICATION TECHNIQUE | PUBLIC ADDRESS SYSTEMS | LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS | ELECTRICITY | DEAF-AID SETS
Patent
09/2020
Embodiments of the present invention provide a microphone, including: a metal cover and a printed circuit board PCB of the microphone that is connected... 
ELECTRIC COMMUNICATION TECHNIQUE | PUBLIC ADDRESS SYSTEMS | LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS | ELECTRICITY | DEAF-AID SETS
Patent
Patent
10/2018
An electromechanical transducer includes: a structural portion configured such that two pairs of magnets magnetized in opposite directions, a yoke configured... 
ELECTRIC COMMUNICATION TECHNIQUE | PUBLIC ADDRESS SYSTEMS | LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS | ELECTRICITY | DEAF-AID SETS
Patent
10/2019
A vibratory apparatus including a lever arm apparatus including a living hinge, wherein the vibratory apparatus is configured such that at least a portion of... 
ELECTRIC COMMUNICATION TECHNIQUE | PUBLIC ADDRESS SYSTEMS | LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS | ELECTRICITY | DEAF-AID SETS
Patent
05/2020
The object is to provide a microphone capable of reducing handling noise when compared with conventional microphones, while ensuring performance of holding the microphone... 
ELECTRIC COMMUNICATION TECHNIQUE | PUBLIC ADDRESS SYSTEMS | LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS | ELECTRICITY | DEAF-AID SETS
Patent
Patent
06/2020
The invention relates to audio transducers, such as loudspeaker, microphones and the like, and includes improvements in or relating... 
ELECTRIC COMMUNICATION TECHNIQUE | PUBLIC ADDRESS SYSTEMS | LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS | ELECTRICITY | DEAF-AID SETS
Patent
03/2020
The present application relates to a transducer element (1) which comprises: a movable diaphragm (2, 2a, 2b... 
ELECTRIC COMMUNICATION TECHNIQUE | PUBLIC ADDRESS SYSTEMS | LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS | ELECTRICITY | DEAF-AID SETS
Patent
09/2020
According to the present invention, there is provided an electroacoustic transducer, comprising: a first electrode; a second electrode... 
TRANSMISSION | ELECTRIC COMMUNICATION TECHNIQUE | PUBLIC ADDRESS SYSTEMS | LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS | ELECTRICITY | DEAF-AID SETS
Patent
09/2020
An arrangement for generating vibration according to an electrical input signal includes a first permanent magnet arrangement including a first permanent... 
ELECTRIC COMMUNICATION TECHNIQUE | PUBLIC ADDRESS SYSTEMS | LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS | ELECTRICITY | DEAF-AID SETS
Patent
11/2020
A directional microphone is provided which includes a substrate having a cavity that penetrates therethrough, a resonator array of at least one resonator, and a cover member... 
ELECTRIC COMMUNICATION TECHNIQUE | PUBLIC ADDRESS SYSTEMS | LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS | ELECTRICITY | DEAF-AID SETS
Patent
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