TREA

Transducers having an acoustic diaphragm of magnetisable material directly co-acting with electromagnet

Follow

Industry

  • CPC
  • H04R13/00
This industry / category may be too specific. Please go to a parent level for more data

Parent Industries

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

Current Industry

H04R13/00Transducers having an acoustic diaphragm of magnetisable material directly co-acting with electromagnet

Sub Industries

H04R13/02Telephone receivers
Industries

Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    ACOUSTIC TRANSDUCER WITH TRANSVERSALLY ORIENTED MAGNETS
    • Publication number 20230388715
    • Publication date Nov 30, 2023
    • PS AUDIO DESIGN OY
    • Petri SORONEN
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Waterproof Microspeaker
    • Publication number 20230353944
    • Publication date Nov 2, 2023
    • EM-TECH. Co., Ltd.
    • Gang Tae Kim
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    LOUDSPEAKER
    • Publication number 20230117408
    • Publication date Apr 20, 2023
    • PSS BELGIUM N.V.
    • Fabian Vuine
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    ELECTROMAGNETIC MICROSPEAKER, ITS COIL MODULE, SPEAKER/COIL MODULE...
    • Publication number 20220340409
    • Publication date Oct 27, 2022
    • iPro Technology Inc.
    • Yu Min FU
    • B81 - MICRO-STRUCTURAL TECHNOLOGY
  • Information Patent Application

    RECEIVER
    • Publication number 20220078568
    • Publication date Mar 10, 2022
    • SUZHOU SENSORFUN ELECTRONICS CO., LTD
    • Jianguang WEN
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SEALED ACOUSTIC SPEAKER AND MEDICAL DEVICE INCLUDING SAME
    • Publication number 20220014829
    • Publication date Jan 13, 2022
    • Medtronic, Inc.
    • Nathan L. Olson
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    HYBRID SPEAKER AND CONVERTER
    • Publication number 20210281946
    • Publication date Sep 9, 2021
    • Sony Interactive Entertainment Inc.
    • Takeo Matsukawa
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    BRIDGE-EDGE-TYPE HIGH-RESOLUTION ELECTROMAGNETIC SPEAKER
    • Publication number 20200389736
    • Publication date Dec 10, 2020
    • Soojin YU
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    BRIDGE-EDGE-TYPE HIGH-RESOLUTION ELECTROMAGNETIC SPEAKER
    • Publication number 20200389735
    • Publication date Dec 10, 2020
    • Soojin YU
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    HYBRID SPEAKER AND CONVERTER
    • Publication number 20200267473
    • Publication date Aug 20, 2020
    • Sony Interactive Entertainment Inc.
    • Takeo Matsukawa
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    APPARATUS WITH SURFACE TO BE DISPLACED
    • Publication number 20200169815
    • Publication date May 28, 2020
    • PS AUDIO DESIGN OY
    • Vesa Kajanus
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    ELECTROMAGNET MEMBRANE PUMP/TRANSDUCER SYSTEM AND METHODS TO MAKE A...
    • Publication number 20200088184
    • Publication date Mar 19, 2020
    • CLEAN ENERGY LABS, LLC
    • Joseph F. Pinkerton
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    APPARATUS FOR GENERATING VIBRATION
    • Publication number 20190289399
    • Publication date Sep 19, 2019
    • PS AUDIO DESIGN OY
    • Vesa Kajanus
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    ELECTROACOUSTIC DRIVER AND RELATED LOUDSPEAKER/SOUNDER
    • Publication number 20190268700
    • Publication date Aug 29, 2019
    • Eaton Intelligent Power Limited
    • David Andrew Coates
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    COMPRESSION DRIVER WITH SIDE-FIRING COMPRESSION CHAMBER
    • Publication number 20190149911
    • Publication date May 16, 2019
    • HARMAN INTERNATIONAL INDUSTRIES, INCORPORATED
    • Alexander Voishvillo
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    APPARATUS FOR GENERATING VIBRATION
    • Publication number 20190028809
    • Publication date Jan 24, 2019
    • PS AUDIO DESIGN OY
    • Vesa Kajanus
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    PHASE PLUG FOR COMPRESSION DRIVER HAVING IMPROVED ASSEMBLY
    • Publication number 20180234758
    • Publication date Aug 16, 2018
    • ELETTROMEDIA srl
    • Pietro Pantaleone
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    PLANAR MAGNETIC LOUDSPEAKER AIRFLOW SYSTEM
    • Publication number 20180020292
    • Publication date Jan 18, 2018
    • MrSpeakers, LLC
    • Daniel William Clark
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    EARPHONE
    • Publication number 20170230741
    • Publication date Aug 10, 2017
    • TOMOHIRO MATSUO
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    ACOUSTIC TRANSDUCER
    • Publication number 20160127839
    • Publication date May 5, 2016
    • HARMAN BECKER GEPKOCSIRENDSZER GYARTO KORLATOLT FELELOSSEGU TARSASAG
    • John B. French
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    HANDSET MICROPHONE
    • Publication number 20140376750
    • Publication date Dec 25, 2014
    • KABUSHIKI KAISHA AUDIO-TECHNICA
    • Hiroshi Akino
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    MAGNET-LESS LOUDSPEAKER
    • Publication number 20130188822
    • Publication date Jul 25, 2013
    • Lu-Cheng Chen
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    INFLATABLE EAR PIECE WITH PRESSURE RELIEF VALVE
    • Publication number 20130136285
    • Publication date May 30, 2013
    • SIEMENS MEDICAL INSTRUMENTS PTE. LTD.
    • FRANK NAUMANN
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    VIBRATION TRANSDUCER AND ACTUATOR
    • Publication number 20130106205
    • Publication date May 2, 2013
    • Marvin L. Clamme
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Moving-Magnet Electromagnetic Device with Planar Coil
    • Publication number 20120294474
    • Publication date Nov 22, 2012
    • Zonghan Wu
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    ACOUSTIC TRANSDUCER
    • Publication number 20120257782
    • Publication date Oct 11, 2012
    • SENTIENT MAGNETICS, INC.
    • John B. French
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Magnetic Diaphragm and Manufacturing Method thereof
    • Publication number 20110194723
    • Publication date Aug 11, 2011
    • MERRY ELECTRONICS CO., LTD.
    • Ching-Lan Lin
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Electromagnetic vibrator and producing method thereof
    • Publication number 20110169349
    • Publication date Jul 14, 2011
    • Hsin-min Huang
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    MICRO MAGNETIC DEVICE WITH MAGNETIC SPRING
    • Publication number 20100124352
    • Publication date May 20, 2010
    • Seagate Technology LLC
    • Insik Jin
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    ACOUSTIC TRANSDUCER
    • Publication number 20090190794
    • Publication date Jul 30, 2009
    • John B. French
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE