BE851924A - LOUDSPEAKER SYSTEM - Google Patents

LOUDSPEAKER SYSTEM

Info

Publication number
BE851924A
BE851924A BE175347A BE175347A BE851924A BE 851924 A BE851924 A BE 851924A BE 175347 A BE175347 A BE 175347A BE 175347 A BE175347 A BE 175347A BE 851924 A BE851924 A BE 851924A
Authority
BE
Belgium
Prior art keywords
loudspeaker system
loudspeaker
Prior art date
Application number
BE175347A
Other languages
French (fr)
Original Assignee
Marantz Co
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 Marantz Co filed Critical Marantz Co
Publication of BE851924A publication Critical patent/BE851924A/en

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00Details of transducers, loudspeakers or microphones
    • H04R1/20Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/28Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
    • H04R1/2807Enclosures comprising vibrating or resonating arrangements
    • H04R1/2815Enclosures comprising vibrating or resonating arrangements of the bass reflex type
    • H04R1/2823Vents, i.e. ports, e.g. shape thereof or tuning thereof with damping material
    • H04R1/2826Vents, i.e. ports, e.g. shape thereof or tuning thereof with damping material for loudspeaker transducers
BE175347A 1976-09-27 1977-02-28 LOUDSPEAKER SYSTEM BE851924A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US72737076A 1976-09-27 1976-09-27

Publications (1)

Publication Number Publication Date
BE851924A true BE851924A (en) 1977-08-29

Family

ID=24922379

Family Applications (1)

Application Number Title Priority Date Filing Date
BE175347A BE851924A (en) 1976-09-27 1977-02-28 LOUDSPEAKER SYSTEM

Country Status (13)

Country Link
JP (1) JPS5342722A (en)
AR (1) AR211052A1 (en)
AU (1) AU2277577A (en)
BE (1) BE851924A (en)
BR (1) BR7701164A (en)
DE (1) DE2708872A1 (en)
DK (1) DK89577A (en)
ES (1) ES456320A1 (en)
FR (1) FR2365926A1 (en)
NL (1) NL7702202A (en)
NO (1) NO770712L (en)
PT (1) PT66254B (en)
SE (1) SE7701417L (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2417909A1 (en) * 1978-02-17 1979-09-14 Thaille Jean Louis ACOUSTIC PRESSURE (OR CHARGE) REGULATOR
WO2008025060A1 (en) * 2006-08-29 2008-03-06 Immersion Technology Property Limited Loudspeaker system with adjustable response

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2429535A3 (en) * 1978-06-23 1980-01-18 Thomson Brandt Bass reflex Helmholtz resonator loudspeaker enclosure - has a low frequency cut=off adjustable by packing the enclosure vent with foam, e.g. polyurethane
FR2598875A1 (en) * 1986-05-14 1987-11-20 Cabasse Georges Acoustic enclosure with variable tuning
DE3920041C1 (en) * 1989-06-20 1990-12-06 Amneus Engineering, Vaellingby, Se
EP0403900A3 (en) * 1989-06-20 1992-03-25 Krister Amnéus Electroacoustical loudspeaker device
US6470088B2 (en) 2000-12-27 2002-10-22 Koninklijke Philips Electronics, N.V. Vented loudspeaker enclosure with limited driver radiation
JP4875039B2 (en) * 2008-09-24 2012-02-15 ボーズ・コーポレーション Active noise reduction headset
IT1399292B1 (en) * 2009-11-17 2013-04-11 Sonus Faber S P A PROJECT CLAIM FOR THE RESONANCE ROOMS AGREEMENT IN SPEAKER SYSTEMS.
JP5880039B2 (en) * 2011-12-28 2016-03-08 ヤマハ株式会社 Speaker

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1138781A (en) * 1954-09-03 1957-06-19 Goodmans Ind Ltd Loudspeaker cabinet
US3360073A (en) * 1966-08-08 1967-12-26 Musi Cloud Inc Loud speaker enclosure
US3684051A (en) * 1970-10-08 1972-08-15 Herbert J Hopkins Acoustic duct speaker system
GB1403354A (en) * 1971-05-25 1975-08-28 Gabr S Z M Loudspeaker cabinets

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2417909A1 (en) * 1978-02-17 1979-09-14 Thaille Jean Louis ACOUSTIC PRESSURE (OR CHARGE) REGULATOR
WO2008025060A1 (en) * 2006-08-29 2008-03-06 Immersion Technology Property Limited Loudspeaker system with adjustable response

Also Published As

Publication number Publication date
PT66254A (en) 1977-04-01
DK89577A (en) 1978-03-28
PT66254B (en) 1978-08-07
SE7701417L (en) 1978-03-28
NL7702202A (en) 1978-03-29
FR2365926B1 (en) 1980-02-22
ES456320A1 (en) 1978-02-01
FR2365926A1 (en) 1978-04-21
JPS5342722A (en) 1978-04-18
NO770712L (en) 1978-03-29
DE2708872A1 (en) 1978-03-30
AR211052A1 (en) 1977-10-14
AU2277577A (en) 1978-09-07
BR7701164A (en) 1978-06-06

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