H04R 1/22

Sub-Class

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Description

Class  H04R : LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS


Subclass 1/22: 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; mounting radio sets or communication systems in helmets A42B 3/3; mountings specially adapted for telephone equipment H04M 1/02) Arrangements for obtaining desired frequency or directional characteristics (for stereophonic purposes H04R 5/00; speech enhancement by processing of the speech signal G10L 21/02) for obtaining desired frequency characteristic only (circuits for combining transducers having different responses H04R 3/00)

Recent Patents

Patent #TitleFiling DateIssue DatePatent Owner
12266334 Sound leakage reduction devices and acoustic output devicesSep 15, 22Apr 01, 25SHENZHEN SHOKZ CO., LTD.
12267641 Electroosmotic flow valve for an electronic deviceNov 04, 22Apr 01, 25Apple Inc.
12261647 Data delivery using acoustic transmissionsOct 25, 23Mar 25, 25Ohio State Innovation Foundation
12250511 Apparatus and method for tuned-frequency-spectrum earpieceJul 23, 24Mar 11, 25JMJ Holdings, LLC
12238470 Earphone without covering an ear canalJun 19, 23Feb 25, 25SHENZHEN SHOKZ CO., LTD.
12231842 Passively assisted loudspeaker enclosureNov 29, 22Feb 18, 25Alps Alpine Co., Ltd.
12223853 Method and system for obtaining acoustical measurementsOct 05, 22Feb 11, 25Harman International Industries, Incorporated
12225347 Sound-producing deviceFeb 07, 23Feb 11, 25SHENZHEN SHOKZ CO., LTD.
12219312 Apparatus and method for MEMS microphone performance via back volumeNov 22, 23Feb 04, 25Harman International Industries, Incorporated
12212921 Apparatus for sound conversion with an acoustic filterAug 04, 22Jan 28, 25Fraunhofer - Gesellschaft zur Foerderung der angewandten Forschung e.V.
12212937 Calibration state variableFeb 05, 24Jan 28, 25Sonos Inc.
12207034 Acoustic deviceMar 04, 24Jan 21, 25SHENZHEN SHOKZ CO., LTD.
12207041 MicrophonesJul 29, 22Jan 21, 25SHENZHEN SHOKZ CO., LTD.
12187991 Apparatus and method for modifying a responsive liquid held in a liquid container having resonant frequencies in the audio frequency rangeNov 08, 19Jan 07, 25Meyer Sound Laboratories Incorporated
12192696 Microphone with interchangeable grilles for acoustically filtering incoming audio signalsAug 30, 22Jan 07, 25Not available
12185044 Sampler for an intelligent cable or cable adapterOct 03, 22Dec 31, 24Prophet Productions, LLC
12168140 Apparatus for neural stimulation and method of useJun 20, 23Dec 17, 24Photigen, Inc.
12160696 Acoustic output apparatusNov 06, 23Dec 03, 24SHENZHEN SHOKZ CO., LTD.
12143765 Vibroacoustic platform systemMar 02, 24Nov 12, 24Not available
12143768 Display device with integrated sound generatorsJun 27, 23Nov 12, 24Samsung Display Co., Ltd.

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Recent Publications

Publication #TitleFiling DatePub DatePatent Owner
2025/0119,682 PASSIVELY ASSISTED LOUDSPEAKER ENCLOSUREDec 19, 24Apr 10, 25Not available
2025/0113,132 THIN PANEL SURFACE MOUNT MICROPHONESep 29, 23Apr 03, 25Harman International Industries, Incorporated
2025/0113,140 MOTION-DRIVEN AUDIO FOR MECHANICAL SYSTEMSOct 01, 24Apr 03, 25Not available
2025/0104,685 PERSONALIZED ESTIMATE OF A TRANSFER FUNCTION FROM AN IN-EAR EARBUD TO SOUND PRESSURE AT AN EAR DRUMJan 09, 24Mar 27, 25Not available
2025/0097,627 LOUDSPEAKER SYSTEM, SIGNAL PROCESSING DEVICE, AND SIGNAL PROCESSING METHODSep 04, 24Mar 20, 25PANASONIC AUTOMOTIVE SYSTEMS CO., LTD.
2025/0080,915 MEMS microphone chipMay 18, 22Mar 06, 25Not available
2025/0071,457 AI Sampler for an Intelligent Cable or Cable AdapterNov 08, 24Feb 27, 25Prophet Productions, LLC
2025/0063,290 AUDIO EQUIPMENTNov 28, 23Feb 20, 25Not available
2025/0056,150 SIGNAL SYNCHRONIZATION CIRCUIT, SIGNAL PROCESSING DEVICE, SIGNAL SYNCHRONIZATION METHOD, AND NON-TRANSITORY RECORDING MEDIUMDec 16, 21Feb 13, 25501 TDK Corporation
2025/0039,591 ACOUSTIC OUTPUT APPARATUSOct 12, 24Jan 30, 25SHENZHEN SHOKZ CO., LTD.
2025/0030,969 ACOUSTIC OUTPUT APPARATUS AND METHODS THEREOFSep 20, 24Jan 23, 25SHENZHEN SHOKZ CO., LTD.
2025/0020,946 SPEAKER MODULE AND ELECTRONIC DEVICESep 27, 24Jan 16, 25Not available
2025/0016,487 ACOUSTIC OUTPUT APPARATUSSep 22, 24Jan 09, 25SHENZHEN SHOKZ CO., LTD.
2025/0008,269 DUAL-DIAPHRAGM SPEAKER AND ELECTRONIC DEVICEJul 20, 22Jan 02, 25Not available
2025/0008,282 METHODS AND APPARATUS TO IMPROVE AUDIO QUALITY BASED ON LOAD IMPEDANCE SENSINGJun 27, 23Jan 02, 25Not available
2024/0430,550 IMAGE CAPTURING APPARATUSFeb 12, 24Dec 26, 24Not available
2024/0416,812 AUDIO SYSTEM ARRANGED IN A LISTENING ENVIRONMENT IN A VEHICLE AND HEADREST FOR A VEHICLEMay 22, 24Dec 19, 24Harman Becker Automotive Systems GmbH
2024/0422,466 OPEN EARPHONEAug 25, 24Dec 19, 24SHENZHEN SHOKZ CO., LTD.
2024/0422,475 ACOUSTIC OUTPUT DEVICESAug 30, 24Dec 19, 24SHENZHEN SHOKZ CO., LTD.
2024/0406,611 ACOUSTIC OUTPUT APPARATUSAug 15, 24Dec 05, 24SHENZHEN SHOKZ CO., LTD.

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