GB2298758B - Loudspeaker systems and enclosures - Google Patents

Loudspeaker systems and enclosures

Info

Publication number
GB2298758B
GB2298758B GB9504760A GB9504760A GB2298758B GB 2298758 B GB2298758 B GB 2298758B GB 9504760 A GB9504760 A GB 9504760A GB 9504760 A GB9504760 A GB 9504760A GB 2298758 B GB2298758 B GB 2298758B
Authority
GB
United Kingdom
Prior art keywords
enclosures
loudspeaker systems
loudspeaker
systems
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
GB9504760A
Other versions
GB9504760D0 (en
GB2298758A (en
Inventor
Che Hung Chan
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.)
PRIMA DEV Ltd
Original Assignee
PRIMA DEV 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 PRIMA DEV Ltd filed Critical PRIMA DEV Ltd
Priority to GB9504760A priority Critical patent/GB2298758B/en
Publication of GB9504760D0 publication Critical patent/GB9504760D0/en
Publication of GB2298758A publication Critical patent/GB2298758A/en
Application granted granted Critical
Publication of GB2298758B publication Critical patent/GB2298758B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • H04R1/2853—Enclosures comprising vibrating or resonating arrangements using an acoustic labyrinth or a transmission line
    • H04R1/2857—Enclosures comprising vibrating or resonating arrangements using an acoustic labyrinth or a transmission line 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 
    • H04R1/26—Spatial arrangements of separate transducers responsive to two or more frequency ranges

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)
GB9504760A 1995-03-09 1995-03-09 Loudspeaker systems and enclosures Expired - Fee Related GB2298758B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9504760A GB2298758B (en) 1995-03-09 1995-03-09 Loudspeaker systems and enclosures

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9504760A GB2298758B (en) 1995-03-09 1995-03-09 Loudspeaker systems and enclosures

Publications (3)

Publication Number Publication Date
GB9504760D0 GB9504760D0 (en) 1995-04-26
GB2298758A GB2298758A (en) 1996-09-11
GB2298758B true GB2298758B (en) 1999-05-26

Family

ID=10770917

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9504760A Expired - Fee Related GB2298758B (en) 1995-03-09 1995-03-09 Loudspeaker systems and enclosures

Country Status (1)

Country Link
GB (1) GB2298758B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8103035B2 (en) * 2006-12-22 2012-01-24 Bose Corporation Portable audio system having waveguide structure
EP3326384A4 (en) * 2015-07-21 2019-03-06 Novel Acoustics Ltd Loudspeaker and method of its manufacture
EP3469808A4 (en) 2016-01-05 2020-03-25 Novel Acoustics Ltd Headphone or earphone device
RU2718126C1 (en) * 2019-05-30 2020-03-30 Общество с ограниченной ответственностью "Научно-производственная фирма "МИКРОЭПМ" Acoustic system

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB310490A (en) * 1928-04-28 1929-07-04 Ateliers De Montage Et D Ebeni Improvements relating to sound reproducing apparatus or loud speakers
GB547922A (en) * 1940-07-17 1942-09-17 Standard Telephones Cables Ltd Sound absorbing apparatus
GB921213A (en) * 1958-04-03 1963-03-13 John Somerset Murray Improvements in and relating to loudspeaker enclosures
GB1446846A (en) * 1972-11-10 1976-08-18 Latimer Sayer L Sound reproducing apparatus
US3978941A (en) * 1975-06-06 1976-09-07 Curt August Siebert Speaker enclosure
US3993162A (en) * 1975-06-20 1976-11-23 Kenneth Juuti Acoustic speaker system
GB1479477A (en) * 1973-08-04 1977-07-13 Tsukamoto K High-fidelity moving-coil loudspeaker
US4128738A (en) * 1976-09-28 1978-12-05 Gallery Thomas W Compact transmission line loudspeaker system
US4655315A (en) * 1985-07-17 1987-04-07 Saville Robert W Speaker system
EP0613317A1 (en) * 1993-02-24 1994-08-31 Matsushita Electric Industrial Co., Ltd. Speaker system

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB310490A (en) * 1928-04-28 1929-07-04 Ateliers De Montage Et D Ebeni Improvements relating to sound reproducing apparatus or loud speakers
GB547922A (en) * 1940-07-17 1942-09-17 Standard Telephones Cables Ltd Sound absorbing apparatus
GB921213A (en) * 1958-04-03 1963-03-13 John Somerset Murray Improvements in and relating to loudspeaker enclosures
GB1446846A (en) * 1972-11-10 1976-08-18 Latimer Sayer L Sound reproducing apparatus
GB1479477A (en) * 1973-08-04 1977-07-13 Tsukamoto K High-fidelity moving-coil loudspeaker
US3978941A (en) * 1975-06-06 1976-09-07 Curt August Siebert Speaker enclosure
US3993162A (en) * 1975-06-20 1976-11-23 Kenneth Juuti Acoustic speaker system
US4128738A (en) * 1976-09-28 1978-12-05 Gallery Thomas W Compact transmission line loudspeaker system
US4655315A (en) * 1985-07-17 1987-04-07 Saville Robert W Speaker system
EP0613317A1 (en) * 1993-02-24 1994-08-31 Matsushita Electric Industrial Co., Ltd. Speaker system

Also Published As

Publication number Publication date
GB9504760D0 (en) 1995-04-26
GB2298758A (en) 1996-09-11

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Legal Events

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

Effective date: 20030309