GB201208924D0 - High-impedance resonant loudspeaker - Google Patents

High-impedance resonant loudspeaker

Info

Publication number
GB201208924D0
GB201208924D0 GB201208924A GB201208924A GB201208924D0 GB 201208924 D0 GB201208924 D0 GB 201208924D0 GB 201208924 A GB201208924 A GB 201208924A GB 201208924 A GB201208924 A GB 201208924A GB 201208924 D0 GB201208924 D0 GB 201208924D0
Authority
GB
United Kingdom
Prior art keywords
loudspeaker
impedance resonant
resonant loudspeaker
impedance
factor
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.)
Granted
Application number
GB201208924A
Other versions
GB2502282A (en
GB2502282B (en
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to GB201208924A priority Critical patent/GB2502282B/en
Publication of GB201208924D0 publication Critical patent/GB201208924D0/en
Publication of GB2502282A publication Critical patent/GB2502282A/en
Application granted granted Critical
Publication of GB2502282B publication Critical patent/GB2502282B/en
Expired - Fee Related 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
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/18—Resonant transducers, i.e. adapted to produce maximum output at a predetermined frequency

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)

Abstract

The loudspeaker is configured so that: · the ratio r between the value of the impedance Z of the loudspeaker at the resonance frequency f0 and the electrical resistance Re of the loudspeaker is greater than 5, and · the Q factor of the loudspeaker is less than 30.
GB201208924A 2012-05-21 2012-05-21 A small-volume loudspeaker Expired - Fee Related GB2502282B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB201208924A GB2502282B (en) 2012-05-21 2012-05-21 A small-volume loudspeaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB201208924A GB2502282B (en) 2012-05-21 2012-05-21 A small-volume loudspeaker

Publications (3)

Publication Number Publication Date
GB201208924D0 true GB201208924D0 (en) 2012-07-04
GB2502282A GB2502282A (en) 2013-11-27
GB2502282B GB2502282B (en) 2014-06-04

Family

ID=46546420

Family Applications (1)

Application Number Title Priority Date Filing Date
GB201208924A Expired - Fee Related GB2502282B (en) 2012-05-21 2012-05-21 A small-volume loudspeaker

Country Status (1)

Country Link
GB (1) GB2502282B (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0267650A3 (en) * 1986-11-07 1990-04-25 Carver Corporation Loudspeaker apparatus and method
KR101125642B1 (en) * 2003-09-16 2012-03-27 코닌클리케 필립스 일렉트로닉스 엔.브이. High efficiency audio transducer

Also Published As

Publication number Publication date
GB2502282A (en) 2013-11-27
GB2502282B (en) 2014-06-04

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20220521