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deaf-aid sets (462054) 462054
electric communication technique (462054) 462054
electricity (462054) 462054
loudspeakers, microphones, gramophone pick-ups or likeacoustic electromechanical transducers (462054) 462054
public address systems (462054) 462054
physics (111702) 111702
acoustics (54794) 54794
musical instruments (54794) 54794
performing operations (40909) 40909
transporting (40909) 40909
human necessities (37434) 37434
stereophonic systems (30971) 30971
acoustics not otherwise provided for (29909) 29909
methods or devices for protecting against, or for damping,noise or other acoustic waves in general (29909) 29909
sound-producing devices (29909) 29909
telephonic communication (29479) 29479
measuring (29401) 29401
testing (29401) 29401
hygiene (28578) 28578
medical or veterinary science (28578) 28578
basic electric elements (28160) 28160
basic electronic circuitry (27257) 27257
speech analysis or synthesis (23170) 23170
speech or audio coding or decoding (23170) 23170
speech or voice processing (23170) 23170
speech recognition (23170) 23170
calculating (22054) 22054
computing (22054) 22054
counting (22054) 22054
transmission (21031) 21031
electric digital data processing (19775) 19775
general tagging of cross-sectional technologies spanning over several sections of the ipc (16421) 16421
general tagging of new technological developments (16421) 16421
technical subjects covered by former uspc cross-reference art collections [xracs] and digests (16421) 16421
surgery (15900) 15900
diagnosis (15899) 15899
identification (15899) 15899
electric solid state devices not otherwise provided for (14796) 14796
semiconductor devices (14796) 14796
technical subjects covered by former uspc (14313) 14313
control of amplification (13852) 13852
pictorial communication, e.g. television (13779) 13779
for performing mechanical work in general (13140) 13140
generating or transmitting mechanical vibrations in general (13140) 13140
methods or apparatus for generating or transmitting mechanicalvibrations of infrasonic, sonic, or ultrasonic frequency (13140) 13140
vehicles in general (11379) 11379
information storage (11262) 11262
technical subjects covered by former us classification (11251) 11251
information storage based on relative movement between recordcarrier and transducer (10607) 10607
analogous arrangements using other waves (10416) 10416
determining distance or velocity by use of radio waves (10416) 10416
locating or presence-detecting by use of the reflection orreradiation of radio waves (10416) 10416
radio direction-finding (10416) 10416
radio navigation (10416) 10416
vehicles, vehicle fittings, or vehicle parts, not otherwiseprovided for (9497) 9497
heating (9252) 9252
blasting (9251) 9251
lighting (9251) 9251
mechanical engineering (9251) 9251
weapons (9251) 9251
bandages, dressings or absorbent pads (8937) 8937
devices providing patency to, or preventing collapsing of,tubular structures of the body, e.g. stents (8937) 8937
filters implantable into blood vessels (8937) 8937
first-aid kits (8937) 8937
fomentation (8937) 8937
orthopaedic, nursing or contraceptive devices (8937) 8937
prostheses (8937) 8937
treatment or protection of eyes or ears (8937) 8937
conversion or distribution of electric power (8692) 8692
generation (8692) 8692
electric techniques not otherwise provided for (8542) 8542
investigating or analysing materials by determining theirchemical or physical properties (8315) 8315
casings or constructional details of electric apparatus (7387) 7387
manufacture of assemblages of electrical components (7387) 7387
printed circuits (7387) 7387
amplifiers (7038) 7038
microstructural technology (5815) 5815
radiation therapy (5754) 5754
ultrasound therapy (5754) 5754
electrotherapy (5751) 5751
magnetotherapy (5751) 5751
measurement of mechanical vibrations or ultrasonic, sonic orinfrasonic waves (5645) 5645
microstructural devices or systems, e.g. micromechanicaldevices (5494) 5494
wireless communications networks (5444) 5444
signalling (5410) 5410
impedance networks, e.g. resonant circuits (5399) 5399
resonators (5399) 5399
transmission of digital information, e.g. telegraphiccommunication (4977) 4977
broadcast communication (4928) 4928
chemistry (4858) 4858
metallurgy (4858) 4858
electrophonic musical instruments (4526) 4526
advertising (4446) 4446
cryptography (4446) 4446
display (4446) 4446
education (4446) 4446
seals (4446) 4446
optics (4390) 4390
current collectors (4384) 4384
line connectors (4384) 4384
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English (404782) 404782
Chinese (79629) 79629
French (68574) 68574
German (55549) 55549
Korean (16868) 16868
Japanese (16835) 16835
Danish (3300) 3300
Spanish (3029) 3029
Russian (2712) 2712
Portuguese (1615) 1615
Swedish (1315) 1315
Italian (1027) 1027
Dutch (945) 945
Finnish (804) 804
Norwegian (618) 618
Polish (231) 231
Turkish (126) 126
Czech (119) 119
Ukrainian (107) 107
Hungarian (103) 103
Romanian (88) 88
Hebrew (56) 56
Indonesian (54) 54
Bulgarian (50) 50
Greek (37) 37
Slovenian (29) 29
Serbian (26) 26
Estonian (25) 25
Latvian (14) 14
Lithuanian (14) 14
Slovak (14) 14
Croatian (11) 11
Arabic (4) 4
Icelandic (3) 3
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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
10/2019
An electromechanical transducer of the invention comprises a structural unit, an armature, and the first and second elastic units. The structural unit includes... 
ELECTRIC COMMUNICATION TECHNIQUE | DYNAMO-ELECTRIC MACHINES | PUBLIC ADDRESS SYSTEMS | CONVERSION OR DISTRIBUTION OF ELECTRIC POWER | LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS | GENERATION | ELECTRICITY | DEAF-AID SETS
Patent
02/2019
A controller for an electromechanical transducer is provided. The controller comprises driving means operable to actuate a mechanical output of the transducer;... 
ELECTRIC COMMUNICATION TECHNIQUE | PUBLIC ADDRESS SYSTEMS | LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS | ELECTRICITY | DEAF-AID SETS
Patent
06/2019
A microphone is provided that restrains backlash relative to the microphone stand with a simple structure. A microphone is inserted in a connector-supporting... 
ELECTRIC COMMUNICATION TECHNIQUE | PUBLIC ADDRESS SYSTEMS | LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS | ELECTRICITY | DEAF-AID SETS
Patent
10/2019
This invention relates to acoustic transducers with stationary and moving coils, and methods for operating the acoustic transducers. Time varying signals are... 
ELECTRIC COMMUNICATION TECHNIQUE | PUBLIC ADDRESS SYSTEMS | LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS | ELECTRICITY | DEAF-AID SETS
Patent
05/2019
The present invention increases the acoustic pressure of sound obtained from a transducer or the amplitude of an electrical signal obtained from a transducer.... 
ELECTRIC COMMUNICATION TECHNIQUE | PUBLIC ADDRESS SYSTEMS | LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS | ELECTRICITY | DEAF-AID SETS
Patent
10/2019
An electroacoustic transducer includes a dynamic speaker that generates a first acoustic sound, and a piezoelectric speaker that generates a second acoustic... 
ELECTRIC COMMUNICATION TECHNIQUE | PUBLIC ADDRESS SYSTEMS | LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS | ELECTRICITY | DEAF-AID SETS
Patent
by CHEN HU and WANG KAI
02/2019
The utility model provides a MEMS (Micro -electromechanical system) microphone, including the casing of acceping the chamber has and set up in sound inlet... 
ELECTRIC COMMUNICATION TECHNIQUE | PUBLIC ADDRESS SYSTEMS | LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS | ELECTRICITY | DEAF-AID SETS
Patent
08/2019
This application relates to methods and apparatus for digital microphones. Disclosed is a digital microphone apparatus (300) for outputting a digital output... 
ELECTRIC COMMUNICATION TECHNIQUE | PUBLIC ADDRESS SYSTEMS | LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS | ELECTRICITY | DEAF-AID SETS
Patent
09/2019
According to the present invention, there is provided an electroacoustic transducer, comprising: a first electrode; a second electrode; a piezoelectric... 
ELECTRIC COMMUNICATION TECHNIQUE | PUBLIC ADDRESS SYSTEMS | LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS | ELECTRICITY | DEAF-AID SETS
Patent
09/2019
An acoustic transducer includes a first acoustic module and a second acoustic module. The first acoustic module includes a first motor, a first rod driven by... 
ELECTRIC COMMUNICATION TECHNIQUE | PUBLIC ADDRESS SYSTEMS | LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS | ELECTRICITY | DEAF-AID SETS
Patent
03/2019
The embodiments of the invention disclose microphones. A microphone comprises a base, a microphone chip, an ASIC chip and a protection shell. The microphone... 
ELECTRIC COMMUNICATION TECHNIQUE | PUBLIC ADDRESS SYSTEMS | LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS | ELECTRICITY | DEAF-AID SETS
Patent
08/2019
An acoustic transducer with an acoustic element that emits or receives front-side acoustic radiation from its front side, and emits or receives rear-side... 
ELECTRIC COMMUNICATION TECHNIQUE | PUBLIC ADDRESS SYSTEMS | LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS | ELECTRICITY | DEAF-AID SETS
Patent
08/2019
The present disclosure provides a transducer device including a driver and an audio system. The driver includes a diaphragm, a magnet, and a voice coil. The... 
ELECTRIC COMMUNICATION TECHNIQUE | PUBLIC ADDRESS SYSTEMS | LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS | ELECTRICITY | DEAF-AID SETS
Patent
01/2019
A microphone comprises: a vibration member having a plate shape and formed so as to have elasticity and cause bending due to sound waves; a case having a... 
ELECTRIC COMMUNICATION TECHNIQUE | PUBLIC ADDRESS SYSTEMS | LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS | ELECTRICITY | DEAF-AID SETS
Patent
09/2019
A condenser microphone, including at least one diaphragm, at least one electrode assigned to the diaphragm, comprising at least one ring-shaped insulator... 
ELECTRIC COMMUNICATION TECHNIQUE | PUBLIC ADDRESS SYSTEMS | LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS | ELECTRICITY | DEAF-AID SETS
Patent
08/2017
An electromechanical transducer of the invention comprises a structural unit, an armature, and the first and second elastic units. The structural unit includes... 
ELECTRIC COMMUNICATION TECHNIQUE | PUBLIC ADDRESS SYSTEMS | LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS | ELECTRICITY | DEAF-AID SETS
Patent
10/2019
The electroacoustic transducer includes: a first sheet including a sheet-like piezoelectric material and having a curved shape; and a second sheet having... 
ELECTRIC COMMUNICATION TECHNIQUE | PUBLIC ADDRESS SYSTEMS | LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS | ELECTRICITY | DEAF-AID SETS
Patent
09/2019
A microphone module includes a first MEMS microphone and a second MEMS microphone, wherein the first MEMS microphone includes a first modulator, and wherein... 
ELECTRIC COMMUNICATION TECHNIQUE | PUBLIC ADDRESS SYSTEMS | LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS | ELECTRICITY | DEAF-AID SETS
Patent
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