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Plane diaphragms

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  • H04R7/04
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HELECTRICITY H04Electric communication H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS DEAF-AID SETS PUBLIC ADDRESS SYSTEMS H04R7/00Diaphragms for electromechanical transducers Cones

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H04R7/04Plane diaphragms
Industries

Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    PANEL AUDIO LOUDSPEAKERS INCLUDING MECHANICALLY GROUNDED MAGNETIC C...
    • Publication number 20240163602
    • Publication date May 16, 2024
    • Google LLC
    • Andrew Phillis
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    MEMS MICROPHONE
    • Publication number 20240155296
    • Publication date May 9, 2024
    • AAC ACOUSTIC TECHNOLOGIES (SHENZHEN) CO., LTD
    • Zhuanzhuan Zhao
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    HIGH-ACOUSTIC-RESISTANCE PISTON MOTION LOUDSPEAKER
    • Publication number 20240137704
    • Publication date Apr 25, 2024
    • Beijing Institute of Technology
    • Huikai XIE
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    FLAT PANEL TYPE VIBRATION DRIVER
    • Publication number 20240137703
    • Publication date Apr 25, 2024
    • Dong-Man KIM
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    CAPACITIVE MICROPHONE SENSOR DESIGN AND FABRICATION METHOD FOR ACHI...
    • Publication number 20240137711
    • Publication date Apr 25, 2024
    • Innogrity Pte Ltd
    • KATHIRGAMASUNDARAM SOORIAKUMAR
    • B81 - MICRO-STRUCTURAL TECHNOLOGY
  • Information Patent Application

    SUSPENSION FOR MOVING MAGNET ACTUATOR
    • Publication number 20240129672
    • Publication date Apr 18, 2024
    • Google LLC
    • Jason David Walker
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Speaker Apparatus
    • Publication number 20240114276
    • Publication date Apr 4, 2024
    • Nokia Technologies Oy
    • Thorsten Behles
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    VIBRATING DIAPHRAGM OF SOUND-PRODUCING APPARATUS AND SOUND-PRODUCIN...
    • Publication number 20240114291
    • Publication date Apr 4, 2024
    • Goertek Inc.
    • WEIFENG PENG
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    MEMS OPTICAL MICROPHONE
    • Publication number 20240107239
    • Publication date Mar 28, 2024
    • AAC ACOUSTIC TECHNOLOGIES (SHENZHEN) CO., LTD
    • Taimoor Ali
    • B81 - MICRO-STRUCTURAL TECHNOLOGY
  • Information Patent Application

    ELECTRO-ACOUSTIC TRANSDUCER
    • Publication number 20240098410
    • Publication date Mar 21, 2024
    • ams Sensors Singapore Pte. Ltd.
    • Laurent NEVOU
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    DISPLAY APPARATUS
    • Publication number 20240098403
    • Publication date Mar 21, 2024
    • LG Display Co., Ltd.
    • Sungtae LEE
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    DOUBLE-SIDED LOUDSPEAKER
    • Publication number 20240089666
    • Publication date Mar 14, 2024
    • FORTUNE GRAND TECHNOLOGY INC.
    • PING-YU LEE
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    APPARATUS FOR OUTPUTTING SOUND
    • Publication number 20240080597
    • Publication date Mar 7, 2024
    • LG Display Co., Ltd.
    • Taehyung Kim
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Coaxial Speaker
    • Publication number 20240073585
    • Publication date Feb 29, 2024
    • AAC Microtech (Changzhou) Co., Ltd.
    • Zhang Ren
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    DIPOLE LOUDSPEAKER FOR PRODUCING SOUND AT BASS FREQUENCIES
    • Publication number 20240073592
    • Publication date Feb 29, 2024
    • PSS BELGIUM N.V.
    • David Corynen
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Coaxial Speaker
    • Publication number 20240073617
    • Publication date Feb 29, 2024
    • AAC Microtech (Changzhou) Co., Ltd.
    • Zhang Ren
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Sound device
    • Publication number 20240073587
    • Publication date Feb 29, 2024
    • AAC Microtech (Changzhou) Co., Ltd.
    • Yang Shi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Moving-Magnet Motor
    • Publication number 20240064467
    • Publication date Feb 22, 2024
    • Apple Inc.
    • Onur I. Ilkorur
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    IMPROVED VOICE COIL FOR AN ELECTRODYNAMIC ACTUATOR WITH STACKED CON...
    • Publication number 20240064468
    • Publication date Feb 22, 2024
    • Sound Solutions International (Zhenjiang) Co., Ltd.
    • Hong-Bi Dong Nguyen
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    TRANSDUCER AND METHOD FOR MANUFACTURING SAME
    • Publication number 20240064473
    • Publication date Feb 22, 2024
    • ROHM CO., LTD.
    • Tatsuya SUZUKI
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SOUND AND VIBRATION SENSOR
    • Publication number 20240064474
    • Publication date Feb 22, 2024
    • Sonion Nederland BV
    • Peter Christiaan POST
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SPEAKER MAGNETIC CIRCUIT AND SPEAKER DRIVER
    • Publication number 20240056740
    • Publication date Feb 15, 2024
    • FOSTER ELECTRIC COMPANY, LIMITED
    • Yusuke Muta
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SPEAKER BOX
    • Publication number 20240056728
    • Publication date Feb 15, 2024
    • AAC Technologies Pte. Ltd.
    • Yao Hui
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SPEAKER MODULE AND ELECTRONIC DEVICE
    • Publication number 20240048913
    • Publication date Feb 8, 2024
    • Goertek Inc.
    • Xiaodong CAI
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    LINEAR MOTOR MAGNET ASSEMBLY AND LOUDSPEAKER UNIT
    • Publication number 20240048915
    • Publication date Feb 8, 2024
    • Mayht Holding B.V.
    • Timothy Ruben Scheek
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    PRESSURE WAVE GENERATING ELEMENT AND METHOD FOR PRODUCING THE SAME
    • Publication number 20240048917
    • Publication date Feb 8, 2024
    • Murata Manufacturing Co., Ltd.
    • Kohei FUKAMACHI
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    GRAIN BOUNDARY DIFFUSION FOR HIGH COERCIVITY MAGNETS FOR LOUDSPEAKERS
    • Publication number 20240048911
    • Publication date Feb 8, 2024
    • Bose Corporation
    • Stephen J. Maguire
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    LINEAR MOTOR MAGNET ASSEMBLY AND LOUDSPEAKER UNIT
    • Publication number 20240048914
    • Publication date Feb 8, 2024
    • Mayht Holding B.V.
    • Timothy Ruben Scheek
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    ACTUATOR MODULE WITH IMPROVED DAMAGE RESISTANCE
    • Publication number 20240040320
    • Publication date Feb 1, 2024
    • Google LLC
    • Neil John Harris
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    MOVEABLE ELEMENT FOR A TRANSDUCER, TRANSDUCER, IN-EAR DEVICE AND ME...
    • Publication number 20240022858
    • Publication date Jan 18, 2024
    • Sonion Nederland BV
    • Dion Ivo DE ROO
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE