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GB2480226B - Active bass loudspeaker system - Google Patents

Active bass loudspeaker system

Info

Publication number
GB2480226B
GB2480226B GB201002656A GB201002656A GB2480226B GB 2480226 B GB2480226 B GB 2480226B GB 201002656 A GB201002656 A GB 201002656A GB 201002656 A GB201002656 A GB 201002656A GB 2480226 B GB2480226 B GB 2480226B
Authority
GB
United Kingdom
Prior art keywords
loudspeaker system
bass loudspeaker
active bass
active
loudspeaker
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.)
Expired - Fee Related
Application number
GB201002656A
Other versions
GB2480226A (en
GB201002656D0 (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 GB201002656A priority Critical patent/GB2480226B/en
Publication of GB201002656D0 publication Critical patent/GB201002656D0/en
Publication of GB2480226A publication Critical patent/GB2480226A/en
Application granted granted Critical
Publication of GB2480226B publication Critical patent/GB2480226B/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
    • 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
    • H04R1/2846—Vents, i.e. ports, e.g. shape thereof or tuning thereof with damping material
    • H04R1/2849—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
    • H04R1/2838—Enclosures comprising vibrating or resonating arrangements of the bandpass type
    • 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
    • H04R1/2846—Vents, i.e. ports, e.g. shape thereof or tuning thereof with damping material

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)
GB201002656A 2010-02-17 2010-02-17 Active bass loudspeaker system Expired - Fee Related GB2480226B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB201002656A GB2480226B (en) 2010-02-17 2010-02-17 Active bass loudspeaker system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB201002656A GB2480226B (en) 2010-02-17 2010-02-17 Active bass loudspeaker system

Publications (3)

Publication Number Publication Date
GB201002656D0 GB201002656D0 (en) 2010-04-07
GB2480226A GB2480226A (en) 2011-11-16
GB2480226B true GB2480226B (en) 2014-03-12

Family

ID=42113926

Family Applications (1)

Application Number Title Priority Date Filing Date
GB201002656A Expired - Fee Related GB2480226B (en) 2010-02-17 2010-02-17 Active bass loudspeaker system

Country Status (1)

Country Link
GB (1) GB2480226B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108810732B (en) 2014-09-30 2020-03-24 苹果公司 Loudspeaker
USRE49437E1 (en) 2014-09-30 2023-02-28 Apple Inc. Audio driver and power supply unit architecture
US10834497B2 (en) 2016-09-23 2020-11-10 Apple Inc. User interface cooling using audio component

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4722418A (en) * 1982-12-02 1988-02-02 Peeters Robert D Loudspeaker enclosure
US20050129258A1 (en) * 2001-02-09 2005-06-16 Fincham Lawrence R. Narrow profile speaker configurations and systems
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
GB2463529A (en) * 2008-09-23 2010-03-24 Randall Decourcy Hewitt Sub Bass Compression Loudspeaker System

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4722418A (en) * 1982-12-02 1988-02-02 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
EP1615462A2 (en) * 2004-07-09 2006-01-11 Pioneer Corporation Speaker device
GB2463529A (en) * 2008-09-23 2010-03-24 Randall Decourcy Hewitt Sub Bass Compression Loudspeaker System

Also Published As

Publication number Publication date
GB2480226A (en) 2011-11-16
GB201002656D0 (en) 2010-04-07

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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: 20150117

PCNP Patent ceased through non-payment of renewal fee

Effective date: 20190217