GB2585762B - Biasing magnet - Google Patents

Biasing magnet Download PDF

Info

Publication number
GB2585762B
GB2585762B GB2009771.3A GB202009771A GB2585762B GB 2585762 B GB2585762 B GB 2585762B GB 202009771 A GB202009771 A GB 202009771A GB 2585762 B GB2585762 B GB 2585762B
Authority
GB
United Kingdom
Prior art keywords
biasing magnet
biasing
magnet
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
GB2009771.3A
Other versions
GB202009771D0 (en
GB2585762A (en
Inventor
Mikalauskas Egidijus
Mark Newlove Richard
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Amina Technologies Ltd
Original Assignee
Amina Technologies Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Amina Technologies Ltd filed Critical Amina Technologies Ltd
Priority to GB2009771.3A priority Critical patent/GB2585762B/en
Publication of GB202009771D0 publication Critical patent/GB202009771D0/en
Publication of GB2585762A publication Critical patent/GB2585762A/en
Priority to CN202180045418.2A priority patent/CN115735364A/en
Priority to PCT/GB2021/051094 priority patent/WO2021260339A1/en
Application granted granted Critical
Publication of GB2585762B publication Critical patent/GB2585762B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/04—Plane diaphragms
    • H04R7/045—Plane diaphragms using the distributed mode principle, i.e. whereby the acoustic radiation is emanated from uniformly distributed free bending wave vibration induced in a stiff panel and not from pistonic motion
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/06—Loudspeakers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
    • H04R2201/02—Details casings, cabinets or mounting therein for transducers covered by H04R1/02 but not provided for in any of its subgroups
    • H04R2201/021—Transducers or their casings adapted for mounting in or to a wall or ceiling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H04R9/025—Magnetic circuit

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
GB2009771.3A 2020-06-26 2020-06-26 Biasing magnet Active GB2585762B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB2009771.3A GB2585762B (en) 2020-06-26 2020-06-26 Biasing magnet
CN202180045418.2A CN115735364A (en) 2020-06-26 2021-05-06 Bias magnet
PCT/GB2021/051094 WO2021260339A1 (en) 2020-06-26 2021-05-06 Biasing magnet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2009771.3A GB2585762B (en) 2020-06-26 2020-06-26 Biasing magnet

Publications (3)

Publication Number Publication Date
GB202009771D0 GB202009771D0 (en) 2020-08-12
GB2585762A GB2585762A (en) 2021-01-20
GB2585762B true GB2585762B (en) 2022-02-23

Family

ID=71949634

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2009771.3A Active GB2585762B (en) 2020-06-26 2020-06-26 Biasing magnet

Country Status (3)

Country Link
CN (1) CN115735364A (en)
GB (1) GB2585762B (en)
WO (1) WO2021260339A1 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012169924A (en) * 2011-02-15 2012-09-06 Shinko:Kk Speaker structure and speaker device
US20140185859A1 (en) * 2012-12-31 2014-07-03 Apple Inc. Magnetically biased electromagnet for audio applications

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002112387A (en) * 2000-09-28 2002-04-12 Matsushita Electric Ind Co Ltd Speaker and speaker system
DE60139589D1 (en) * 2000-09-28 2009-10-01 Panasonic Corp Electromagnetic transducer and portable communication device
US9154883B2 (en) * 2011-09-06 2015-10-06 Apple Inc. Low rise speaker assembly having a dual voice coil driver
CA3078670C (en) * 2017-10-25 2022-08-30 Ps Audio Design Oy Transducer arrangement

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012169924A (en) * 2011-02-15 2012-09-06 Shinko:Kk Speaker structure and speaker device
US20140185859A1 (en) * 2012-12-31 2014-07-03 Apple Inc. Magnetically biased electromagnet for audio applications

Also Published As

Publication number Publication date
WO2021260339A1 (en) 2021-12-30
GB202009771D0 (en) 2020-08-12
GB2585762A (en) 2021-01-20
CN115735364A (en) 2023-03-03

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