GB2463529B - Sub-bass compression loudspeaker system - Google Patents

Sub-bass compression loudspeaker system

Info

Publication number
GB2463529B
GB2463529B GB0817337.9A GB0817337A GB2463529B GB 2463529 B GB2463529 B GB 2463529B GB 0817337 A GB0817337 A GB 0817337A GB 2463529 B GB2463529 B GB 2463529B
Authority
GB
United Kingdom
Prior art keywords
sub
loudspeaker system
bass
compression loudspeaker
bass compression
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
GB0817337.9A
Other versions
GB2463529A (en
GB0817337D0 (en
Inventor
Randall Decourcy Hewitt
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB0817337.9A priority Critical patent/GB2463529B/en
Publication of GB0817337D0 publication Critical patent/GB0817337D0/en
Publication of GB2463529A publication Critical patent/GB2463529A/en
Application granted granted Critical
Publication of GB2463529B publication Critical patent/GB2463529B/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
    • H04R1/2838—Enclosures comprising vibrating or resonating arrangements of the bandpass type
    • H04R1/2842—Enclosures comprising vibrating or resonating arrangements of the bandpass type 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
    • H04R1/2869—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself
    • H04R1/2876—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself by means of damping material, e.g. as cladding
    • H04R1/288—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself by means of damping material, e.g. as cladding 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
    • H04R1/2869—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself
    • H04R1/2884—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself by means of the enclosure structure, i.e. strengthening or shape of the enclosure
    • H04R1/2888—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself by means of the enclosure structure, i.e. strengthening or shape of the enclosure 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
    • 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
    • H04R2201/029—Manufacturing aspects of enclosures transducers

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)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
GB0817337.9A 2008-09-23 2008-09-23 Sub-bass compression loudspeaker system Active GB2463529B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0817337.9A GB2463529B (en) 2008-09-23 2008-09-23 Sub-bass compression loudspeaker system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0817337.9A GB2463529B (en) 2008-09-23 2008-09-23 Sub-bass compression loudspeaker system

Publications (3)

Publication Number Publication Date
GB0817337D0 GB0817337D0 (en) 2008-10-29
GB2463529A GB2463529A (en) 2010-03-24
GB2463529B true GB2463529B (en) 2013-01-02

Family

ID=39951997

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0817337.9A Active GB2463529B (en) 2008-09-23 2008-09-23 Sub-bass compression loudspeaker system

Country Status (1)

Country Link
GB (1) GB2463529B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2480226B (en) * 2010-02-17 2014-03-12 Randall Decourcy Hewitt Active bass loudspeaker system
US9154869B2 (en) 2012-01-04 2015-10-06 Apple Inc. Speaker with a large volume chamber and a smaller volume chamber
US9173018B2 (en) 2012-06-27 2015-10-27 Bose Corporation Acoustic filter
US10299032B2 (en) 2017-09-11 2019-05-21 Apple Inc. Front port resonator for a speaker assembly
US11490190B1 (en) 2021-05-07 2022-11-01 Apple Inc. Speaker with multiple resonators
US11451902B1 (en) 2021-05-07 2022-09-20 Apple Inc. Speaker with vented resonator
WO2024091215A1 (en) * 2022-10-24 2024-05-02 Google Llc Compression driver wide band microspeaker

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3239028A (en) * 1963-11-01 1966-03-08 Willard A Murray Sound reproduction system
US4679651A (en) * 1982-12-02 1987-07-14 Peeters Robert D Loudspeaker enclosure
EP1370110A1 (en) * 2002-06-07 2003-12-10 Fujitsu Ten Limited Speaker device
US20050129258A1 (en) * 2001-02-09 2005-06-16 Fincham Lawrence R. Narrow profile speaker configurations and systems
US20050259841A1 (en) * 2003-03-31 2005-11-24 Caron Gerald F Narrow opening electroacoustical transducing
EP1615462A2 (en) * 2004-07-09 2006-01-11 Pioneer Corporation Speaker device
US20060013430A1 (en) * 1999-11-19 2006-01-19 Virtual Bass Technologies, Inc. System and method to enhance reproduction of sub-bass frequencies

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3239028A (en) * 1963-11-01 1966-03-08 Willard A Murray Sound reproduction system
US4679651A (en) * 1982-12-02 1987-07-14 Peeters Robert D Loudspeaker enclosure
US20060013430A1 (en) * 1999-11-19 2006-01-19 Virtual Bass Technologies, Inc. System and method to enhance reproduction of sub-bass frequencies
US20050129258A1 (en) * 2001-02-09 2005-06-16 Fincham Lawrence R. Narrow profile speaker configurations and systems
EP1370110A1 (en) * 2002-06-07 2003-12-10 Fujitsu Ten Limited Speaker device
US20050259841A1 (en) * 2003-03-31 2005-11-24 Caron Gerald F Narrow opening electroacoustical transducing
EP1615462A2 (en) * 2004-07-09 2006-01-11 Pioneer Corporation Speaker device

Also Published As

Publication number Publication date
GB2463529A (en) 2010-03-24
GB0817337D0 (en) 2008-10-29

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20141127 AND 20141203

746 Register noted 'licences of right' (sect. 46/1977)

Effective date: 20150226