GB2523143B - Loudspeaker bass reflex system - Google Patents

Loudspeaker bass reflex system Download PDF

Info

Publication number
GB2523143B
GB2523143B GB1402581.1A GB201402581A GB2523143B GB 2523143 B GB2523143 B GB 2523143B GB 201402581 A GB201402581 A GB 201402581A GB 2523143 B GB2523143 B GB 2523143B
Authority
GB
United Kingdom
Prior art keywords
bass reflex
reflex system
loudspeaker bass
loudspeaker
reflex
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
GB1402581.1A
Other versions
GB201402581D0 (en
GB2523143A (en
Inventor
Oclee-Brown Jack
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.)
GP Acoustics UK Ltd
Original Assignee
GP Acoustics UK 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 GP Acoustics UK Ltd filed Critical GP Acoustics UK Ltd
Priority to GB1402581.1A priority Critical patent/GB2523143B/en
Publication of GB201402581D0 publication Critical patent/GB201402581D0/en
Priority to EP15157053.8A priority patent/EP2963944B1/en
Publication of GB2523143A publication Critical patent/GB2523143A/en
Priority to HK16101292.5A priority patent/HK1213719A1/en
Application granted granted Critical
Publication of GB2523143B publication Critical patent/GB2523143B/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
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
    • H04R1/2807—Enclosures comprising vibrating or resonating arrangements
    • H04R1/2815—Enclosures comprising vibrating or resonating arrangements of the bass reflex type
    • H04R1/2823—Vents, i.e. ports, e.g. shape thereof or tuning thereof with damping material
    • H04R1/2826—Vents, i.e. ports, e.g. shape thereof or tuning thereof with damping material for loudspeaker transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
    • H04R1/2807—Enclosures comprising vibrating or resonating arrangements
    • H04R1/2815—Enclosures comprising vibrating or resonating arrangements of the bass reflex type

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
GB1402581.1A 2014-02-14 2014-02-14 Loudspeaker bass reflex system Active GB2523143B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB1402581.1A GB2523143B (en) 2014-02-14 2014-02-14 Loudspeaker bass reflex system
EP15157053.8A EP2963944B1 (en) 2014-02-14 2015-02-27 Acoustic insert for a loudspeaker bass reflex system
HK16101292.5A HK1213719A1 (en) 2014-02-14 2016-02-04 Loudspeaker bass reflex system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1402581.1A GB2523143B (en) 2014-02-14 2014-02-14 Loudspeaker bass reflex system

Publications (3)

Publication Number Publication Date
GB201402581D0 GB201402581D0 (en) 2014-04-02
GB2523143A GB2523143A (en) 2015-08-19
GB2523143B true GB2523143B (en) 2021-04-28

Family

ID=50440131

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1402581.1A Active GB2523143B (en) 2014-02-14 2014-02-14 Loudspeaker bass reflex system

Country Status (3)

Country Link
EP (1) EP2963944B1 (en)
GB (1) GB2523143B (en)
HK (1) HK1213719A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2719636C1 (en) * 2016-04-29 2020-04-21 Бурместер Аудиосистем ГмбХ Blow-out pipe for loudspeaker
CN110383860B (en) * 2017-02-23 2021-12-07 索诺亚公司 Module, removal tool, hearing device and method for separating module from housing
WO2018206090A1 (en) 2017-05-09 2018-11-15 Arcelik Anonim Sirketi System for bass audio compensation using mechanical means

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4135600A (en) * 1976-01-19 1979-01-23 Trio Kabushiki Kaisha Loudspeaker system
GB2045578A (en) * 1978-08-11 1980-10-29 Rudzitis A A Speaker device
US4997057A (en) * 1988-03-25 1991-03-05 Yamaha Corporation Method and apparatus of expanding acoustic reproduction range
US5173575A (en) * 1988-03-25 1992-12-22 Yamaha Corporation Acoustic apparatus
US5286928A (en) * 1993-04-12 1994-02-15 Borland Nathan J Tunable speaker tube
WO1999005887A1 (en) * 1997-07-26 1999-02-04 Koninklijke Philips Electronics N.V. Loudspeaker system having a bass-reflex port
WO2012080879A1 (en) * 2010-12-15 2012-06-21 Koninklijke Philips Electronics N.V. A loudspeaker

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4135600A (en) * 1976-01-19 1979-01-23 Trio Kabushiki Kaisha Loudspeaker system
GB2045578A (en) * 1978-08-11 1980-10-29 Rudzitis A A Speaker device
US4997057A (en) * 1988-03-25 1991-03-05 Yamaha Corporation Method and apparatus of expanding acoustic reproduction range
US5173575A (en) * 1988-03-25 1992-12-22 Yamaha Corporation Acoustic apparatus
US5286928A (en) * 1993-04-12 1994-02-15 Borland Nathan J Tunable speaker tube
WO1999005887A1 (en) * 1997-07-26 1999-02-04 Koninklijke Philips Electronics N.V. Loudspeaker system having a bass-reflex port
WO2012080879A1 (en) * 2010-12-15 2012-06-21 Koninklijke Philips Electronics N.V. A loudspeaker

Also Published As

Publication number Publication date
EP2963944A2 (en) 2016-01-06
EP2963944A3 (en) 2018-01-10
GB201402581D0 (en) 2014-04-02
HK1213719A1 (en) 2016-07-08
GB2523143A (en) 2015-08-19
EP2963944B1 (en) 2021-03-31

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