TREA

Diaphragms for electromechanical transducers Cones

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Industry

  • CPC
  • H04R7/00
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Parent Industries

HELECTRICITY H04Electric communication H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS DEAF-AID SETS PUBLIC ADDRESS SYSTEMS

Current Industry

H04R7/00Diaphragms for electromechanical transducers Cones

Sub Industries

H04R7/02characterised by the construction H04R7/04Plane diaphragms H04R7/045using the distributed mode principle H04R7/06comprising a plurality of sections or layers H04R7/08comprising superposed layers separated by air or other fluid H04R7/10comprising superposed layers in contact H04R7/12Non-planar diaphragms or cones H04R7/122comprising a plurality of sections or layers H04R7/125comprising a plurality of superposed layers in contact H04R7/127dome-shaped H04R7/14corrugated, pleated or ribbed H04R7/16Mounting or tensioning of diaphragms or cones H04R7/18at the periphery H04R7/20Securing diaphragm or cone resiliently to support by flexible material, springs, cords, or strands H04R7/22Clamping rim of diaphragm or cone against seating H04R7/24Tensioning by means acting directly on free portions of diaphragm or cone H04R7/26Damping by means acting directly on free portion of diaphragm or cone
Industries

Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    SPEAKER DEVICE
    • Publication number 20250142252
    • Publication date May 1, 2025
    • MERRY ELECTRONICS (SUZHOU) CO., LTD.
    • LiGuo Rao
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    COAXIAL SPEAKER
    • Publication number 20250142259
    • Publication date May 1, 2025
    • AAC Microtech (Changzhou) Co., Ltd.
    • Zhang Ren
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SPEAKER DEVICE
    • Publication number 20250142261
    • Publication date May 1, 2025
    • MERRY ELECTRONICS (SUZHOU) CO., LTD.
    • LiGuo Rao
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    COAXIAL LOUDSPEAKER
    • Publication number 20250142248
    • Publication date May 1, 2025
    • Tymphany HK Limited
    • George Albert BULLIMORE
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SPEAKER DEVICE
    • Publication number 20250142260
    • Publication date May 1, 2025
    • MERRY ELECTRONICS (SUZHOU) CO., LTD.
    • LiGuo Rao
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Coaxial Speaker
    • Publication number 20250133330
    • Publication date Apr 24, 2025
    • AAC Microtech (Changzhou) Co., Ltd.
    • Zhang Ren
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    ACOUSTIC TRANSDUCER
    • Publication number 20250133319
    • Publication date Apr 24, 2025
    • MMI SEMICONDUCTOR CO., LTD.
    • Ayumu MURAKAMI
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    MAGNET ASSEMBLY FOR ELECTRODYNAMIC LOUDSPEAKER MOTOR, ELECTRODYNAMI...
    • Publication number 20250133348
    • Publication date Apr 24, 2025
    • Centre National de la Recherche Scientifique
    • Lionel CAMBERLEIN
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    DIAPHRAGM, LOUDSPEAKER, AND DIAPHRAGM MANUFACTURING METHOD
    • Publication number 20250133345
    • Publication date Apr 24, 2025
    • Panasonic Automotive Systems Co., Ltd.
    • Tetsushi ITANO
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SPEAKER DEVICE
    • Publication number 20250133347
    • Publication date Apr 24, 2025
    • AAC MICROTECH (CHANGZHOU) CO., LTD.
    • Zhang Ren
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    ACOUSTIC SENSOR AND MANUFACTURING METHOD THEREFOR
    • Publication number 20250133352
    • Publication date Apr 24, 2025
    • AAC TECHNOLOGIES PTE. LTD
    • Chungmin Li
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    RIBBON SPEAKER
    • Publication number 20250133360
    • Publication date Apr 24, 2025
    • SABLE CORPORATION
    • HUI-CHENG CHEN
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SOUND-GENERATING DEVICE
    • Publication number 20250133332
    • Publication date Apr 24, 2025
    • AAC MICROTECH (CHANGZHOU) CO., LTD.
    • Zhang Ren
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    COAXIAL SPEAKER BOX
    • Publication number 20250133331
    • Publication date Apr 24, 2025
    • AAC Microtech (Changzhou) Co., Ltd.
    • Zhang Ren
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Coaxial Speaker
    • Publication number 20250133343
    • Publication date Apr 24, 2025
    • AAC Microtech (Changzhou) Co., Ltd.
    • Zhang Ren
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Diaphragm for Speaker
    • Publication number 20250133344
    • Publication date Apr 24, 2025
    • Glass Acoustic Innovations Co., Ltd.
    • Kwun Kit CHAN
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SPEAKER DEVICE AND STYLUS
    • Publication number 20250133346
    • Publication date Apr 24, 2025
    • AAC MICROTECH (CHANGZHOU) CO., LTD.
    • Zhang Ren
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    SPEAKER DEVICE
    • Publication number 20250126410
    • Publication date Apr 17, 2025
    • AAC MICROTECH (CHANGZHOU) CO., LTD.
    • Zhang Ren
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    COMPOSITE DIAPHRAGM AND SOUND-GENERATING DEVICE
    • Publication number 20250126408
    • Publication date Apr 17, 2025
    • AAC MICROTECH (CHANGZHOU) CO., LTD.
    • Zhongwei Wang
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    MEMS Piezoelectric Speaker
    • Publication number 20250126409
    • Publication date Apr 17, 2025
    • AAC Kaitai Technologies (Wuhan) CO., LTD
    • Yu Shen
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    MULTI-FUNCTIONAL SOUND-GENERATING DEVICE
    • Publication number 20250126414
    • Publication date Apr 17, 2025
    • AAC MICROTECH (CHANGZHOU) CO., LTD.
    • Bo Xiao
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SOUND DEVICE
    • Publication number 20250126413
    • Publication date Apr 17, 2025
    • AAC Microtech (Changzhou) Co., Ltd.
    • Zhang Ren
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Audio Collection System and Method for Sound Capture, Broadcast, An...
    • Publication number 20250124931
    • Publication date Apr 17, 2025
    • Darrell Poirier
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Application

    Two-Part Speaker System
    • Publication number 20250126384
    • Publication date Apr 17, 2025
    • Apple Inc.
    • Neal D. Evans
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SPEAKER DEVICE
    • Publication number 20250126401
    • Publication date Apr 17, 2025
    • AAC MICROTECH (CHANGZHOU) CO., LTD.
    • Zhang Ren
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    ACOUSTIC OUTPUT DEVICE
    • Publication number 20250119680
    • Publication date Apr 10, 2025
    • SHENZHEN SHOKZ CO., LTD.
    • Lei ZHANG
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Offset-Soft Mount For Speaker Induced Force Reduction
    • Publication number 20250119683
    • Publication date Apr 10, 2025
    • Apple Inc.
    • Bao Liu
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    ACOUSTIC DEVICES AND MAGNETIC CIRCUIT ASSEMBLIES THEREOF
    • Publication number 20250119693
    • Publication date Apr 10, 2025
    • SHENZHEN SHOKZ CO., LTD.
    • Liwei WANG
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SPEAKER
    • Publication number 20250113142
    • Publication date Apr 3, 2025
    • AAC TECHNOLOGIES (NANJING) CO., LTD.
    • Yao Hui
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    EYEWEAR COMPRISING A SPEAKER ASSEMBLY
    • Publication number 20250113133
    • Publication date Apr 3, 2025
    • Essilor International
    • Dallas THARRETT
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE