Nothing Special   »   [go: up one dir, main page]

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
WO2016054100A1 (en) 2014-09-30 2016-04-07 Nunntawi Dynamics Llc Loudspeaker with reduced audio coloration caused by reflections from a surface
USRE49437E1 (en) 2014-09-30 2023-02-28 Apple Inc. Audio driver and power supply unit architecture
US10771890B2 (en) 2016-09-23 2020-09-08 Apple Inc. Annular support structure

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

Similar Documents

Publication Publication Date Title
EP2606661A4 (en) Surround sound system
EP2567464A4 (en) Cognitive loudspeaker system
HK1182253A1 (en) Loudspeaker and diaphragm therefor
GB2500159B (en) Audio listening system
GB2516785B (en) Earphone
EP2543198A4 (en) Hearing system
EP2611210A4 (en) Ear speaker
EP2656636A4 (en) Low-profile speaker
EP2461602A4 (en) Earphone
EP2604044A4 (en) Speaker
BR112012017747A2 (en) electrodynamic speaker structure
EP2651071A4 (en) Wireless microphone system
TWM391239U (en) Improved structure for earphone
EP2648421A4 (en) Speaker system
HK1221588A1 (en) Ear microphone
GB201018268D0 (en) Audio routing
HK1164602A1 (en) Loudspeaker
EP2716062A4 (en) Loudspeaker system
AU336717S (en) Headphone
PL2577986T3 (en) Loudspeaker
GB2480226B (en) Active bass loudspeaker system
GB201114353D0 (en) Loudspeaker system
GB201004297D0 (en) An amplifier or loudspeaker stand
GB201002439D0 (en) Loudspeaker
GB2477295B (en) Loudspeaker system

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