BE623937A - - Google Patents

Info

Publication number
BE623937A
BE623937A BE623937DA BE623937A BE 623937 A BE623937 A BE 623937A BE 623937D A BE623937D A BE 623937DA BE 623937 A BE623937 A BE 623937A
Authority
BE
Belgium
Application number
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.)
Publication of BE623937A publication Critical patent/BE623937A/xx
Priority to FR887871A priority Critical patent/FR1322235A/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
    • H04R1/2811Enclosures comprising vibrating or resonating arrangements for loudspeaker transducers
    • 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
    • H04R1/26Spatial arrangements of separate transducers responsive to two or more frequency ranges
    • 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
    • H04R1/2819Enclosures comprising vibrating or resonating arrangements of the bass reflex type for loudspeaker transducers
BE623937D 1962-02-13 BE623937A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR887871A FR1322235A (en) 1962-02-13 1962-02-13 speaker, intended particularly to sound reproduction chain fidelity << >>

Publications (1)

Publication Number Publication Date
BE623937A true BE623937A (en)

Family

ID=8772585

Family Applications (1)

Application Number Title Priority Date Filing Date
BE623937D BE623937A (en) 1962-02-13

Country Status (6)

Country Link
US (1) US3186509A (en)
BE (1) BE623937A (en)
FR (1) FR1322235A (en)
GB (1) GB988456A (en)
LU (1) LU42585A1 (en)
NL (1) NL285007A (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1291790B (en) * 1966-12-24 1969-04-03 Knoedler Gottlob Loudspeaker with one or more loudspeakers
DE2124737A1 (en) * 1970-05-21 1971-12-09 Sony Corp
US3783967A (en) * 1972-02-24 1974-01-08 Us Health Focusing protective enclosure for ultrasonic transducer
US4235301A (en) * 1979-06-04 1980-11-25 Mitchell Robert W Folded column speaker enclosure
GB2149613A (en) * 1983-09-03 1985-06-12 Torquil Hector Rees Macleod Loudspeaker cabinet
JP2783839B2 (en) * 1989-03-29 1998-08-06 三洋電機株式会社 Speaker system
US5111905A (en) * 1989-11-30 1992-05-12 Rogersound Labs, Inc. Speaker enclosure
US5012889A (en) * 1989-11-30 1991-05-07 Rogersound Labs, Inc. Speaker enclosure
GB2273415B (en) * 1992-12-11 1996-05-15 George James Johnston Loudspeaker enclosure
NO301674B1 (en) * 1995-05-24 1997-11-24 Petroleum Geo Services As A method of installing one or more instrumentalities
JPH11220789A (en) 1998-01-30 1999-08-10 Sony Corp Electrical acoustic conversion device
US8256566B1 (en) * 2011-08-19 2012-09-04 Rogersound Labs, LLC Speaker enclosure

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2805729A (en) * 1953-09-15 1957-09-10 Read Oliver Loudspeaker enclosure
US3047090A (en) * 1958-05-07 1962-07-31 Robert G Pruden Tuned acoustical device

Also Published As

Publication number Publication date
LU42585A1 (en) 1962-12-24
FR1322235A (en) 1963-03-29
GB988456A (en) 1965-04-07
US3186509A (en) 1965-06-01
NL285007A (en)

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