Transducers, loudspeakers, moving coil arrangements

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CPC
H01F7/0289

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Parent Industries

HELECTRICITY H01Electric elements H01FMAGNETS INDUCTANCES TRANSFORMERS SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES H01F7/00Magnets

Current Industry

H01F7/0289Transducers, loudspeakers, moving coil arrangements

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Actuator for an optical device, particularly for tuning the optical...
- Patent number 12,044,840
- Issue date Jul 23, 2024
- NEXTLENS SWITZERLAND AG
- Stephen Smolka
- G02 - OPTICS
Information Patent Grant
Electroacoustic diaphragm, transducer, audio device, and methods ha...
- Patent number 11,805,365
- Issue date Oct 31, 2023
- AUDEZE, LLC
- Dragoslav Colich
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Multilayer magnetic circuit assembly
- Patent number 11,521,772
- Issue date Dec 6, 2022
- Honeywell International Inc.
- Paul W. Dwyer
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Loudspeaker unit with multiple drive units
- Patent number 10,893,367
- Issue date Jan 12, 2021
- Mayht Holding B.V.
- Mattias Jeffrey Scheek
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Vibration generating device
- Patent number 10,847,296
- Issue date Nov 24, 2020
- Alps Alpine Co., Ltd.
- Tomokuni Wauke
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Moving-coil closed-loop auto-focusing camera module with low magnet...
- Patent number 10,725,266
- Issue date Jul 28, 2020
- PowerGate Optical Inc.
- Ying Chun Huang
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Reluctance transducer
- Patent number 10,699,831
- Issue date Jun 30, 2020
- Nederlandse Organisatie voor toegepast-natuurwetenschappelijk onderzoek TNO
- Roger Franciscus Mattheus Maria Hamelinck
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Audio speaker having an electrical path through a magnet assembly
- Patent number 10,595,131
- Issue date Mar 17, 2020
- Apple Inc.
- Nikolas T. Vitt
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electromagnetic sensor
- Patent number 10,459,019
- Issue date Oct 29, 2019
- Hon Hai Precision Industry Co., Ltd.
- Hung-Yu Wu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Magnet and coil assembly
- Patent number 10,194,246
- Issue date Jan 29, 2019
- Correlated Magnetics Research, LLC
- Jason N. Morgan
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Speaker structure
- Patent number 10,057,687
- Issue date Aug 21, 2018
- Goertek, Inc.
- Xiang Guo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Periodic magnetic field generator and actuator equipped with same
- Patent number 9,941,778
- Issue date Apr 10, 2018
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Tsutomu Yoshikawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Permanent magnet suitable for magnetic angle encoder
- Patent number 9,715,959
- Issue date Jul 25, 2017
- MultiDimension Technology Co., Ltd.
- James Geza Deak
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Loudspeaker using contour field hard magnet poles and yoke construc...
- Patent number 9,699,565
- Issue date Jul 4, 2017
- George Francis Cardas
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Compact electromagnetic actuator
- Patent number 9,599,836
- Issue date Mar 21, 2017
- Sunming Technologies (HK) Limited
- Sio Kuan Lam
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Magnetic assembly and electro-acoustic transducer using same
- Patent number 9,386,377
- Issue date Jul 5, 2016
- AAC Technologies Pte. Ltd.
- Bo Xiao
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Magnet arrays
- Patent number 9,287,029
- Issue date Mar 15, 2016
- Audeze LLC
- Dragoslav Colich
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
External-magnet-type magnetic circuit
- Patent number 9,281,110
- Issue date Mar 8, 2016
- Merry Electronics (Suzhou) Co., Ltd.
- Chien Ju Wu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electromagnetic force driving device
- Patent number 9,218,931
- Issue date Dec 22, 2015
- Soonchunyang University Industry Academy Cooperation Foundation
- HeeJoon Lee
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electromagnetic force driving device
- Patent number 9,214,266
- Issue date Dec 15, 2015
- Soonchunyang University Industry Academy Cooperation Foundation
- HeeJoon Lee
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Magnetically one-side driven planar transducer with improved electr...
- Patent number 8,942,408
- Issue date Jan 27, 2015
- James Joseph Croft
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Loudspeaker magnet assembly with two inner magnets comprising a cen...
- Patent number 8,879,774
- Issue date Nov 4, 2014
- Harman International Industries, Incorporated
- Brendon Stead
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Multi-magnet system and speaker using same
- Patent number 8,649,550
- Issue date Feb 11, 2014
- AAC Acoustic Technologies (Shenzhen) Co., Ltd.
- Lei Shi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Loudspeaker magnet having a channel
- Patent number 8,548,191
- Issue date Oct 1, 2013
- Harman International Industries, Incorporated
- Brendon Stead
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Linear motor with three magnets and a coil carrier having multiple...
- Patent number 8,531,062
- Issue date Sep 10, 2013
- MOTICONT
- Fariborz Aaron Eghbal
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Magnetic circuit
- Patent number 8,355,524
- Issue date Jan 15, 2013
- TDK Corporation
- Shigeo Saitou
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Adjustable magnetic target
- Patent number 8,264,309
- Issue date Sep 11, 2012
- General Equipment and Manufacturing Company, Inc.
- Robert L. LaFountain
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Magnetic having linear magnetic flux density
- Patent number 8,203,406
- Issue date Jun 19, 2012
- Kyungdong Network Co., Ltd.
- Si-Hwan Kim
- G01 - MEASURING TESTING
Information Patent Grant
Magnetic circuit system
- Patent number 8,183,720
- Issue date May 22, 2012
- AAC Acoustic Technologies (Shenzhen) Co. Ltd.
- Xu-Dong Yan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Electrical device and manufacture method for the same
- Patent number 7,812,598
- Issue date Oct 12, 2010
- Denso Corporation
- Atsushi Yasuda
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
SPEAKER MODULE AND ELECTRONIC DEVICE INCLUDING THE SAME
- Publication number 20240236535
- Publication date Jul 11, 2024
- Samsung Electronics Co., Ltd.
- Seongkwan YANG
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SPEAKER MODULE AND ELECTRONIC DEVICE INCLUDING THE SAME
- Publication number 20240137677
- Publication date Apr 25, 2024
- Samsung Electronics Co., Ltd.
- Seongkwan YANG
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ELECTROACOUSTIC DIAPHRAGM, TRANSDUCER, AUDIO DEVICE, AND METHODS HA...
- Publication number 20220312120
- Publication date Sep 29, 2022
- Audeze, LLC
- Dragoslav Colich
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ACTUATOR FOR AN OPTICAL DEVICE, PARTICULARLY FOR TUNING THE OPTICAL...
- Publication number 20220057628
- Publication date Feb 24, 2022
- OPTOTUNE CONSUMER AG
- Stephen SMOLKA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MOVING-COIL CLOSED-LOOP AUTO-FOCUSING CAMERA MODULE WITH LOW MAGNET...
- Publication number 20200333556
- Publication date Oct 22, 2020
- PowerGate Optical Inc.
- Ying Chun Huang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
RELUCTANCE TRANSDUCER
- Publication number 20170330664
- Publication date Nov 16, 2017
- NEDERLANDSE ORGANISATIE VOOR TOEGEPAST- NATUURWETENSCHAPPELIJK ONDERZOEK TNO
- Roger Franciscus Mattheus Maria Hamelinck
- G01 - MEASURING TESTING
Information Patent Application
Loudspeaker using Contour Field Hard Magnet Poles and Yoke Construc...
- Publication number 20170265006
- Publication date Sep 14, 2017
- Cardas Audio Ltd.
- George Francis Cardas
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
AUDIO SPEAKER HAVING AN ELECTRICAL PATH THROUGH A MAGNET ASSEMBLY
- Publication number 20170085992
- Publication date Mar 23, 2017
- Apple Inc.
- Nikolas T. Vitt
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MAGNETIC ASSEMBLY AND ELECTRO-ACOUSTIC TRANSDUCER USING SAME
- Publication number 20160112804
- Publication date Apr 21, 2016
- AAC Technologies Pte. Ltd.
- Bo Xiao
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MAGNET ARRAYS
- Publication number 20160093429
- Publication date Mar 31, 2016
- Dragoslav Colich
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
RELUCTANCE TRANSDUCER
- Publication number 20150248959
- Publication date Sep 3, 2015
- NEDERLANDSE ORGANISATIE VOOR TOEGEPAST- NATUURWETENSCHAPPELIJK ON-DERZOEK TNO
- Roger Franciscus Mattheus Maria Hamelinck
- G01 - MEASURING TESTING
Information Patent Application
MAGNETICALLY ONE-SIDE DRIVEN PLANAR TRANSDUCER WITH IMPROVED ELECTR...
- Publication number 20150010195
- Publication date Jan 8, 2015
- James Joseph Croft
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SYNTHETIC JET ACTUATOR MOTOR EQUIPPED WITH MEANS FOR MAGNETIC FLUX...
- Publication number 20140252887
- Publication date Sep 11, 2014
- Nuventix, Inc.
- Markus Schwickert
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
LOUDSPEAKER MAGNET ASSEMBLY
- Publication number 20120269378
- Publication date Oct 25, 2012
- HARMAN INTERNATIONAL INDUSTRIES, INCORPORATED
- Brendon Stead
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
LOUDSPEAKER MAGNET HAVING A CHANNEL
- Publication number 20120263336
- Publication date Oct 18, 2012
- HARMAN INTERNATIONAL INDUSTRIES, INCORPORATED
- Brendon Stead
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MULTI-MAGNET SYSTEM AND SPEAKER USING SAME
- Publication number 20120177246
- Publication date Jul 12, 2012
- AMERICAN AUDIO COMPONENTS INC.
- Lei SHI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Adjustable Magnetic Target
- Publication number 20110050373
- Publication date Mar 3, 2011
- General Equipment and Manufacturing Company, Inc., d/b/a TopWorx, Inc.
- Robert L. LaFountain
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MAGNETNIC CIRCUIT SYSTEM
- Publication number 20100301683
- Publication date Dec 2, 2010
- AAC ACOUSTIC TECHNOLOGIES (SHENZHEN) CO., LTD
- Xu-Dong Yan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Magnetic circuit
- Publication number 20100254565
- Publication date Oct 7, 2010
- TDK CORPORATION
- Shigeo Saitou
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Bi-metal coil
- Publication number 20100013345
- Publication date Jan 21, 2010
- Battelle Energy Alliance, LLC
- Eric J. Yarger
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MAGNETIC HAVING LINEAR MAGNETIC FLUX DENSITY
- Publication number 20090243775
- Publication date Oct 1, 2009
- Kyungdong Network Co., Ltd.
- Si-Hwan Kim
- G01 - MEASURING TESTING
Information Patent Application
METHOD OF MANUFACTURING OSCILLATOR DEVICE
- Publication number 20090061537
- Publication date Mar 5, 2009
- Canon Kabushiki Kaisha
- Toshio Tomiyoshi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
DRIVING METHOD FOR MAGNETIC ELEMENT
- Publication number 20080197951
- Publication date Aug 21, 2008
- National Tsing Hua University
- Hsueh-An YANG
- G02 - OPTICS
Information Patent Application
Magnetic circuit
- Publication number 20080180201
- Publication date Jul 31, 2008
- Eiji Sato
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Magnetic circuit and method and apparatus for the manufacture thereof
- Publication number 20080061635
- Publication date Mar 13, 2008
- TDK Corporation
- Shigeo Saitou
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Actuator
- Publication number 20080036563
- Publication date Feb 14, 2008
- SELEX SENSORS AND AIRBORNE SYSTEMS LIMITED
- Ian Muir Craig
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Electrical device and manufacture method for the same
- Publication number 20070290681
- Publication date Dec 20, 2007
- DENSO CORPORATION
- Atsushi Yasuda
- G01 - MEASURING TESTING
Information Patent Application
Method of producing a speaker
- Publication number 20070289120
- Publication date Dec 20, 2007
- PIONEER CORPORATION
- Kawori Kishi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Multiple magnet coil in gap generator
- Publication number 20070052302
- Publication date Mar 8, 2007
- Jeffrey T. Cheung
- B82 - NANO-TECHNOLOGY
Information Patent Application
Annular magnet
- Publication number 20070024405
- Publication date Feb 1, 2007
- SMC Corporation
- Atsushi Terasaki
- G01 - MEASURING TESTING

Transducers, loudspeakers, moving coil arrangements

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Actuator for an optical device, particularly for tuning the optical...

Electroacoustic diaphragm, transducer, audio device, and methods ha...

Multilayer magnetic circuit assembly

Loudspeaker unit with multiple drive units

Vibration generating device

Moving-coil closed-loop auto-focusing camera module with low magnet...

Reluctance transducer

Audio speaker having an electrical path through a magnet assembly

Electromagnetic sensor

Magnet and coil assembly

Speaker structure

Periodic magnetic field generator and actuator equipped with same

Permanent magnet suitable for magnetic angle encoder

Loudspeaker using contour field hard magnet poles and yoke construc...

Compact electromagnetic actuator

Magnetic assembly and electro-acoustic transducer using same

Magnet arrays

External-magnet-type magnetic circuit

Electromagnetic force driving device

Electromagnetic force driving device

Magnetically one-side driven planar transducer with improved electr...

Loudspeaker magnet assembly with two inner magnets comprising a cen...

Multi-magnet system and speaker using same

Loudspeaker magnet having a channel

Linear motor with three magnets and a coil carrier having multiple...

Magnetic circuit

Adjustable magnetic target

Magnetic having linear magnetic flux density

Magnetic circuit system

Electrical device and manufacture method for the same

Patents Applicationslast 30 patents

SPEAKER MODULE AND ELECTRONIC DEVICE INCLUDING THE SAME

SPEAKER MODULE AND ELECTRONIC DEVICE INCLUDING THE SAME

ELECTROACOUSTIC DIAPHRAGM, TRANSDUCER, AUDIO DEVICE, AND METHODS HA...

ACTUATOR FOR AN OPTICAL DEVICE, PARTICULARLY FOR TUNING THE OPTICAL...

MOVING-COIL CLOSED-LOOP AUTO-FOCUSING CAMERA MODULE WITH LOW MAGNET...

RELUCTANCE TRANSDUCER

Loudspeaker using Contour Field Hard Magnet Poles and Yoke Construc...

AUDIO SPEAKER HAVING AN ELECTRICAL PATH THROUGH A MAGNET ASSEMBLY

MAGNETIC ASSEMBLY AND ELECTRO-ACOUSTIC TRANSDUCER USING SAME

MAGNET ARRAYS

RELUCTANCE TRANSDUCER

MAGNETICALLY ONE-SIDE DRIVEN PLANAR TRANSDUCER WITH IMPROVED ELECTR...

SYNTHETIC JET ACTUATOR MOTOR EQUIPPED WITH MEANS FOR MAGNETIC FLUX...

LOUDSPEAKER MAGNET ASSEMBLY

LOUDSPEAKER MAGNET HAVING A CHANNEL

MULTI-MAGNET SYSTEM AND SPEAKER USING SAME

Adjustable Magnetic Target

MAGNETNIC CIRCUIT SYSTEM

Magnetic circuit

Bi-metal coil

MAGNETIC HAVING LINEAR MAGNETIC FLUX DENSITY

METHOD OF MANUFACTURING OSCILLATOR DEVICE

DRIVING METHOD FOR MAGNETIC ELEMENT

Magnetic circuit

Magnetic circuit and method and apparatus for the manufacture thereof

Actuator

Electrical device and manufacture method for the same

Method of producing a speaker

Multiple magnet coil in gap generator

Annular magnet