TREA

using an acoustic labyrinth or a transmission line

Follow

Industry

  • CPC
  • H04R1/2853
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 H04R1/00Details of transducers, loudspeakers or microphones

Current Industry

H04R1/2853using an acoustic labyrinth or a transmission line
Industries

Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    ELECTRONIC DEVICE INCLUDING MICROPHONE AND FLASH MODULE
    • Publication number 20240388828
    • Publication date Nov 21, 2024
    • Samsung Electronics Co., Ltd.
    • Soohyun SEO
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    ACOUSTIC OUTPUT DEVICES
    • Publication number 20240323592
    • Publication date Sep 26, 2024
    • SHENZHEN SHOKZ CO., LTD.
    • Zhen WANG
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SOUND-RECEIVING SYSTEM, AND ELECTRONIC DEVICE
    • Publication number 20230370767
    • Publication date Nov 16, 2023
    • ACER INCORPORATED
    • Kuei-Ting TAI
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    HEADSET
    • Publication number 20230224619
    • Publication date Jul 13, 2023
    • FOSTER ELECTRIC COMPANY, LIMITED
    • Takeshi HANADA
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    ELECTRONIC DEVICE INCLUDING MICROPHONE AND FLASH MODULE
    • Publication number 20230199359
    • Publication date Jun 22, 2023
    • Samsung Electronics Co., Ltd.
    • Soohyun SEO
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    TRANSDUCER ARRANGEMENTS FOR HEAD- AND EARPHONES
    • Publication number 20230061686
    • Publication date Mar 2, 2023
    • Genaro Wolfl
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SPEAKER AND ELECTRONIC DEVICE
    • Publication number 20230048346
    • Publication date Feb 16, 2023
    • VIVO MOBILE COMMUNICATION CO., LTD.
    • Xu CHEN
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    APPARATUS FOR SOUND CONVERSION WITH AN ACOUSTIC FILTER
    • Publication number 20220377454
    • Publication date Nov 24, 2022
    • Fraunhofer-Gesellschaft zur foerderung der Angewandten Forschung e.V.
    • Jan KUELLER
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Application

    ELECTRONIC EQUIPMENT INCLUDING A SOUND-PROOF ACOUSTIC DUCT
    • Publication number 20220272441
    • Publication date Aug 25, 2022
    • SAGEMCOM BROADBAND SAS
    • Arnaud FERREIRA
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    MECHANICAL FREQUENCY UPCONVERTER
    • Publication number 20210144464
    • Publication date May 13, 2021
    • King Abdullah University of Science and Technology
    • Jürgen KOSEL
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    MOTOR VEHICLE HAVING A DEVICE FOR AIRBORNE SOUND ACOUSTIC SENSING O...
    • Publication number 20190366941
    • Publication date Dec 5, 2019
    • ROBERT BOSCH GmbH
    • Michael Fischer
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    LOUDSPEAKER, ACOUSTIC WAVEGUIDE, AND METHOD
    • Publication number 20190306616
    • Publication date Oct 3, 2019
    • SONY CORPORATION
    • Michael Enenkl
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    ELECTRONIC DEVICE
    • Publication number 20180227655
    • Publication date Aug 9, 2018
    • Fujitsu Limited
    • Atsushi Yamaguchi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Acoustic Device
    • Publication number 20180103314
    • Publication date Apr 12, 2018
    • Bose Corporation
    • Roman N. Litovsky
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    MICROPHONE DEVICE
    • Publication number 20180077489
    • Publication date Mar 15, 2018
    • Fortemedia, Inc.
    • Tsung Lung YANG
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Acoustic device for forming a wall of sound underwater
    • Publication number 20180033423
    • Publication date Feb 1, 2018
    • FISH GUIDANCE SYSTEMS LIMITED
    • Jeremy Ross Nedwell
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Application

    PROTECTIVE APPARATUS FOR SOUND-ABSORBING PARTICLES IN SOUNDING APPA...
    • Publication number 20180020273
    • Publication date Jan 18, 2018
    • GOERTEK INC.
    • Zhenjun Li
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    MEMS TRANSDUCER PACKAGE
    • Publication number 20170374441
    • Publication date Dec 28, 2017
    • Cirrus Logic International Semiconductor Ltd.
    • Tsjerk HOEKSTRA
    • B81 - MICRO-STRUCTURAL TECHNOLOGY
  • Information Patent Application

    MEMS TRANSDUCER PACKAGE
    • Publication number 20170374442
    • Publication date Dec 28, 2017
    • Cirrus Logic International Semiconductor Ltd.
    • John Laurence PENNOCK
    • B81 - MICRO-STRUCTURAL TECHNOLOGY
  • Information Patent Application

    In-Ear Earphone
    • Publication number 20170251297
    • Publication date Aug 31, 2017
    • SOUNDCHIP SA
    • Paul Darlington
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Application

    PASSIVE RADIATOR
    • Publication number 20170208389
    • Publication date Jul 20, 2017
    • JL Audio, Inc.
    • Lucio Proni
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Loudspeaker Device Having Foam Insert to Improve Gas Distribution i...
    • Publication number 20170164096
    • Publication date Jun 8, 2017
    • Sound Solutions International Co., Ltd.
    • Josef Herold
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    LOUDSPEAKER SYSTEM WITH PASSIVE RADIATOR
    • Publication number 20170150249
    • Publication date May 25, 2017
    • JL Audio, Inc.
    • Lucio Proni
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    DYNAMIC ACOUSTIC WAVEGUIDE
    • Publication number 20160360312
    • Publication date Dec 8, 2016
    • William Eugene Wheeler
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    MULTIPLE RECEIVER ASSEMBLY AND A METHOD FOR ASSEMBLY THEREOF
    • Publication number 20160323670
    • Publication date Nov 3, 2016
    • Sonion Nederland BV
    • Onno Geschiere
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    HEARING ASSISTANCE SYSTEM
    • Publication number 20160316304
    • Publication date Oct 27, 2016
    • OKAPPI, INC.
    • Peter J. Sprague
    • G02 - OPTICS
  • Information Patent Application

    EARPHONE AND EARPHONE SYSTEM
    • Publication number 20160277837
    • Publication date Sep 22, 2016
    • SHARP KABUSHIKI KAISHA
    • Junsei SATO
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    APPARATUS AND METHOD FOR NON-OCCLUDED ACTIVE NOISE SHAPING
    • Publication number 20160232889
    • Publication date Aug 11, 2016
    • Doppler Labs, Inc.
    • Jeff Baker
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Application

    Phi-Based Enclosure for Speaker Systems
    • Publication number 20140294219
    • Publication date Oct 2, 2014
    • Colorado Energy Research Technologies, LLC
    • Wayne J. Powell
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SOUND CHANNEL FORMED IN A CASE TO REDIRECT SOUND WITH RESPECT TO A...
    • Publication number 20140112512
    • Publication date Apr 24, 2014
    • AFC TRIDENT, INC.
    • Yi-Chieh SU
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE