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deaf-aid sets (462872) 462872
electric communication technique (462872) 462872
electricity (462872) 462872
loudspeakers, microphones, gramophone pick-ups or likeacoustic electromechanical transducers (462872) 462872
public address systems (462872) 462872
physics (111742) 111742
acoustics (54851) 54851
musical instruments (54851) 54851
performing operations (40883) 40883
transporting (40883) 40883
human necessities (37469) 37469
stereophonic systems (30905) 30905
acoustics not otherwise provided for (29985) 29985
methods or devices for protecting against, or for damping,noise or other acoustic waves in general (29985) 29985
sound-producing devices (29985) 29985
telephonic communication (29466) 29466
measuring (29430) 29430
testing (29430) 29430
hygiene (28606) 28606
medical or veterinary science (28606) 28606
basic electric elements (28128) 28128
basic electronic circuitry (27283) 27283
speech analysis or synthesis (23148) 23148
speech or audio coding or decoding (23148) 23148
speech or voice processing (23148) 23148
speech recognition (23148) 23148
calculating (22016) 22016
computing (22016) 22016
counting (22016) 22016
transmission (21027) 21027
electric digital data processing (19743) 19743
general tagging of cross-sectional technologies spanning over several sections of the ipc (16224) 16224
general tagging of new technological developments (16224) 16224
technical subjects covered by former uspc cross-reference art collections [xracs] and digests (16224) 16224
surgery (15920) 15920
diagnosis (15918) 15918
identification (15918) 15918
electric solid state devices not otherwise provided for (14791) 14791
semiconductor devices (14791) 14791
technical subjects covered by former uspc (14122) 14122
control of amplification (13873) 13873
pictorial communication, e.g. television (13736) 13736
for performing mechanical work in general (13147) 13147
generating or transmitting mechanical vibrations in general (13147) 13147
methods or apparatus for generating or transmitting mechanicalvibrations of infrasonic, sonic, or ultrasonic frequency (13147) 13147
vehicles in general (11375) 11375
information storage (11226) 11226
technical subjects covered by former us classification (11121) 11121
information storage based on relative movement between recordcarrier and transducer (10571) 10571
analogous arrangements using other waves (10431) 10431
determining distance or velocity by use of radio waves (10431) 10431
locating or presence-detecting by use of the reflection orreradiation of radio waves (10431) 10431
radio direction-finding (10431) 10431
radio navigation (10431) 10431
vehicles, vehicle fittings, or vehicle parts, not otherwiseprovided for (9500) 9500
heating (9268) 9268
blasting (9267) 9267
lighting (9267) 9267
mechanical engineering (9267) 9267
weapons (9267) 9267
bandages, dressings or absorbent pads (8945) 8945
devices providing patency to, or preventing collapsing of,tubular structures of the body, e.g. stents (8945) 8945
filters implantable into blood vessels (8945) 8945
first-aid kits (8945) 8945
fomentation (8945) 8945
orthopaedic, nursing or contraceptive devices (8945) 8945
prostheses (8945) 8945
treatment or protection of eyes or ears (8945) 8945
conversion or distribution of electric power (8709) 8709
generation (8709) 8709
electric techniques not otherwise provided for (8554) 8554
investigating or analysing materials by determining theirchemical or physical properties (8339) 8339
casings or constructional details of electric apparatus (7398) 7398
manufacture of assemblages of electrical components (7398) 7398
printed circuits (7398) 7398
amplifiers (7039) 7039
microstructural technology (5826) 5826
radiation therapy (5752) 5752
ultrasound therapy (5752) 5752
electrotherapy (5749) 5749
magnetotherapy (5749) 5749
measurement of mechanical vibrations or ultrasonic, sonic orinfrasonic waves (5646) 5646
microstructural devices or systems, e.g. micromechanicaldevices (5503) 5503
wireless communications networks (5425) 5425
signalling (5414) 5414
impedance networks, e.g. resonant circuits (5406) 5406
resonators (5406) 5406
transmission of digital information, e.g. telegraphiccommunication (4927) 4927
broadcast communication (4906) 4906
chemistry (4865) 4865
metallurgy (4865) 4865
electrophonic musical instruments (4524) 4524
advertising (4446) 4446
cryptography (4446) 4446
display (4446) 4446
education (4446) 4446
seals (4446) 4446
optics (4399) 4399
current collectors (4378) 4378
line connectors (4378) 4378
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English (405218) 405218
Chinese (80090) 80090
French (68667) 68667
German (55709) 55709
Korean (16942) 16942
Japanese (16877) 16877
Danish (3306) 3306
Spanish (3029) 3029
Russian (2714) 2714
Portuguese (1614) 1614
Swedish (1315) 1315
Italian (1028) 1028
Dutch (944) 944
Finnish (806) 806
Norwegian (621) 621
Polish (231) 231
Turkish (126) 126
Czech (119) 119
Ukrainian (107) 107
Hungarian (102) 102
Romanian (88) 88
Hebrew (56) 56
Indonesian (54) 54
Bulgarian (50) 50
Greek (37) 37
Slovenian (29) 29
Serbian (26) 26
Estonian (25) 25
Lithuanian (15) 15
Latvian (14) 14
Slovak (14) 14
Croatian (11) 11
Arabic (4) 4
Icelandic (3) 3
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06/2019
The invention concerns a calibration device including a sound recording system including microphones coupled to an audio signal processing device, the... 
ELECTRIC COMMUNICATION TECHNIQUE | PUBLIC ADDRESS SYSTEMS | LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS | ELECTRICITY | DEAF-AID SETS
Patent
09/2019
An apparatus includes a frame and a surround element that couples a diaphragm to the frame such that the diaphragm is movable in a reciprocating manner... 
ELECTRIC COMMUNICATION TECHNIQUE | PUBLIC ADDRESS SYSTEMS | LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS | ELECTRICITY | DEAF-AID SETS
Patent
09/2018
A microphone is provided that prevents or reduces generation of noises caused by vibration from a grip body. A microphone includes a grip body having a shape... 
ELECTRIC COMMUNICATION TECHNIQUE | PUBLIC ADDRESS SYSTEMS | LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS | ELECTRICITY | DEAF-AID SETS
Patent
01/2019
A microphone transducer is provided, the microphone transducer comprising a housing and a transducer assembly supported within the housing and defining an... 
ELECTRIC COMMUNICATION TECHNIQUE | PUBLIC ADDRESS SYSTEMS | LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS | ELECTRICITY | DEAF-AID SETS
Patent
by HAN XUE
01/2019
The invention discloses a microphone, and the microphone comprises a microphone handle and a protective net cover located at the front end of the microphone... 
ELECTRIC COMMUNICATION TECHNIQUE | PUBLIC ADDRESS SYSTEMS | LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS | ELECTRICITY | DEAF-AID SETS
Patent
04/2019
An electroacoustic transducer includes an ultrasonic element that includes a diaphragm and a support frame, a case body that accommodates the ultrasonic... 
ELECTRIC COMMUNICATION TECHNIQUE | PUBLIC ADDRESS SYSTEMS | LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS | ELECTRICITY | DEAF-AID SETS
Patent
10/2019
According to examples, an apparatus may include a chamber having a hole and a microphone unit. The microphone unit may include a first substrate having a first... 
ELECTRIC COMMUNICATION TECHNIQUE | PUBLIC ADDRESS SYSTEMS | LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS | ELECTRICITY | DEAF-AID SETS
Patent
10/2019
A microphone according to an embodiment includes: an ear chip including a cylindrical part with a hollow part formed therein, and a contact part disposed... 
ELECTRIC COMMUNICATION TECHNIQUE | PUBLIC ADDRESS SYSTEMS | LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS | ELECTRICITY | DEAF-AID SETS
Patent
09/2018
A microphone includes a microphone case having an opening in front of the microphone case accommodating a microphone unit in the opening; a piece of... 
ELECTRIC COMMUNICATION TECHNIQUE | PUBLIC ADDRESS SYSTEMS | LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS | ELECTRICITY | DEAF-AID SETS
Patent
01/2019
The embodiment of the present invention disclose a microphone including a microphone body and at least one rotatable sound head for picking up an audio signal,... 
ELECTRIC COMMUNICATION TECHNIQUE | PUBLIC ADDRESS SYSTEMS | LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS | ELECTRICITY | DEAF-AID SETS
Patent
01/2019
The invention discloses a microphone, wherein the central position of a diaphragm plate is connected to a substrate through an elastic torsion beam to form a... 
ELECTRIC COMMUNICATION TECHNIQUE | PUBLIC ADDRESS SYSTEMS | LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS | ELECTRICITY | DEAF-AID SETS
Patent
06/2019
The invention concerns a calibration device including a sound recording system including microphones coupled to an audio signal processing device, the... 
ELECTRIC COMMUNICATION TECHNIQUE | PUBLIC ADDRESS SYSTEMS | LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS | ELECTRICITY | DEAF-AID SETS
Patent
10/2019
An apparatus including a transducer configured to generate sound, where the transducer comprises a diaphragm. At least one portion of the transducer is... 
ELECTRIC COMMUNICATION TECHNIQUE | PUBLIC ADDRESS SYSTEMS | LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS | ELECTRICITY | DEAF-AID SETS
Patent
08/2017
PROBLEM TO BE SOLVED: To provide an electromechanical transducer capable of obtaining high drive power relative to input power while maintaining satisfactory... 
ELECTRIC COMMUNICATION TECHNIQUE | PUBLIC ADDRESS SYSTEMS | LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS | ELECTRICITY | DEAF-AID SETS
Patent
10/2019
The present invention discloses a loudspeaker driver comprising a magnet system having at least one gap where in each gap a voice coil assembly is arranged for... 
ELECTRIC COMMUNICATION TECHNIQUE | PUBLIC ADDRESS SYSTEMS | LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS | ELECTRICITY | DEAF-AID SETS
Patent
07/2019
Provided is a condenser microphone unit that prevents eccentricity as much as possible and achieves improvement of assembly accuracy. A condenser microphone... 
ELECTRIC COMMUNICATION TECHNIQUE | PUBLIC ADDRESS SYSTEMS | LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS | ELECTRICITY | DEAF-AID SETS
Patent
09/2019
The present invention discloses a MEMS microphone and an electronic apparatus. The MEMS microphone comprises: a pressure sensing element, for sensing pressure... 
ELECTRIC COMMUNICATION TECHNIQUE | PUBLIC ADDRESS SYSTEMS | LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS | ELECTRICITY | DEAF-AID SETS
Patent
08/2019
The invention relates to electroacoustic transducers of electrodynamic type intended for the use in headphones. More particularly, the invention relates to the... 
ELECTRIC COMMUNICATION TECHNIQUE | PUBLIC ADDRESS SYSTEMS | LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS | ELECTRICITY | DEAF-AID SETS
Patent
08/2018
The utility model provides a MEMS (Micro -electromechanical system) microphone, including the packaging structure who is become by shell and PCB plate -type,... 
ELECTRIC COMMUNICATION TECHNIQUE | PUBLIC ADDRESS SYSTEMS | LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS | ELECTRICITY | DEAF-AID SETS
Patent
08/2018
The utility model provides a MEMS (Micro -electromechanical system) microphone, including the packaging structure who is become by shell and PCB plate -type,... 
ELECTRIC COMMUNICATION TECHNIQUE | PUBLIC ADDRESS SYSTEMS | LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS | ELECTRICITY | DEAF-AID SETS
Patent
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