NO129070B - - Google Patents

Download PDF

Info

Publication number
NO129070B
NO129070B NO00784/73A NO78473A NO129070B NO 129070 B NO129070 B NO 129070B NO 00784/73 A NO00784/73 A NO 00784/73A NO 78473 A NO78473 A NO 78473A NO 129070 B NO129070 B NO 129070B
Authority
NO
Norway
Prior art keywords
rudder
speaker
loudspeaker
box
speaker element
Prior art date
Application number
NO00784/73A
Other languages
English (en)
Norwegian (no)
Inventor
B Tykesson
Original Assignee
Bostedt J
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 Bostedt J filed Critical Bostedt J
Publication of NO129070B publication Critical patent/NO129070B/no

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
    • H04R1/2869Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself
    • H04R1/2876Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself by means of damping material, e.g. as cladding
    • H04R1/288Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself by means of damping material, e.g. as cladding 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 
    • H04R1/24Structural combinations of separate transducers or of two parts of the same transducer and responsive respectively 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
    • H04R3/00Circuits for transducers, loudspeakers or microphones
    • H04R3/12Circuits for transducers, loudspeakers or microphones for distributing signals to two or more loudspeakers

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)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
NO00784/73A 1972-02-29 1973-02-27 NO129070B (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE02475/72A SE358800B (enrdf_load_html_response) 1972-02-29 1972-02-29

Publications (1)

Publication Number Publication Date
NO129070B true NO129070B (enrdf_load_html_response) 1974-02-18

Family

ID=20260024

Family Applications (1)

Application Number Title Priority Date Filing Date
NO00784/73A NO129070B (enrdf_load_html_response) 1972-02-29 1973-02-27

Country Status (6)

Country Link
US (1) US3768589A (enrdf_load_html_response)
DE (1) DE2303799B2 (enrdf_load_html_response)
GB (1) GB1390002A (enrdf_load_html_response)
NL (1) NL7302776A (enrdf_load_html_response)
NO (1) NO129070B (enrdf_load_html_response)
SE (1) SE358800B (enrdf_load_html_response)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3882962A (en) * 1973-10-03 1975-05-13 Warren Ripple Loudspeaker equipment
DE2548095C2 (de) * 1975-10-28 1985-05-09 Manfred Dipl.-Ing. 7250 Leonberg Zippel Lautsprechereinheit
DE2618352A1 (de) * 1975-10-28 1977-11-17 Manfred Dipl Ing Zippel Lautsprechereinheit
US4501934A (en) * 1983-07-18 1985-02-26 W2 Vehicle Design And Development Loudspeaker system
USD319446S (en) 1989-03-18 1991-08-27 Yamaha Corporation Loudspeaker
US5286928A (en) * 1993-04-12 1994-02-15 Borland Nathan J Tunable speaker tube
GB2290672A (en) * 1995-09-08 1996-01-03 B & W Loudspeakers Loudspeaker systems
DE19710967C1 (de) * 1997-03-17 1998-10-22 Karl Heinz Koeppen Breitbandlautsprecher
US6771787B1 (en) * 1998-09-03 2004-08-03 Bose Corporation Waveguide electroacoustical transducing
US8295526B2 (en) * 2008-02-21 2012-10-23 Bose Corporation Low frequency enclosure for video display devices
US8351629B2 (en) * 2008-02-21 2013-01-08 Robert Preston Parker Waveguide electroacoustical transducing
US8351630B2 (en) * 2008-05-02 2013-01-08 Bose Corporation Passive directional acoustical radiating
US8265310B2 (en) * 2010-03-03 2012-09-11 Bose Corporation Multi-element directional acoustic arrays
US8553894B2 (en) 2010-08-12 2013-10-08 Bose Corporation Active and passive directional acoustic radiating
US9451355B1 (en) 2015-03-31 2016-09-20 Bose Corporation Directional acoustic device
US10057701B2 (en) 2015-03-31 2018-08-21 Bose Corporation Method of manufacturing a loudspeaker
US11128941B1 (en) * 2018-11-20 2021-09-21 Edward G. Blemel Method for passive dissipation of deconstructive harmonics during audio amplification and reproduction

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB653263A (en) * 1947-10-30 1951-05-09 C M C Switchmatic Ltd Improvements in mountings for loudspeakers
US2775309A (en) * 1954-03-15 1956-12-25 Acoustic Res Inc Sound translating devices
DE1074651B (de) * 1956-03-08 1960-02-04 Deutsche Post Betnebslaboratorium fur Rundfunk und Fernsehen Ber Im Adlershof Anordnung zur Er zielung der Erweiterung des Frequenz bereiches in Richtung der tieferen Frc quenzen bei akustischen Strahlern
US3393766A (en) * 1966-05-18 1968-07-23 American District Telegraph Co Speaker system

Also Published As

Publication number Publication date
DE2303799A1 (de) 1973-09-13
US3768589A (en) 1973-10-30
GB1390002A (en) 1975-04-09
DE2303799B2 (de) 1975-05-07
NL7302776A (enrdf_load_html_response) 1973-08-31
SE358800B (enrdf_load_html_response) 1973-08-06

Similar Documents

Publication Publication Date Title
NO129070B (enrdf_load_html_response)
US3816672A (en) Sound reproduction system
US3047090A (en) Tuned acoustical device
US3138667A (en) Loudspeaker system
US6411721B1 (en) Audio speaker with harmonic enclosure
US4790408A (en) Coiled exponential bass/midrange horn loudspeakers
US2224919A (en) Loud-speaker
US3329235A (en) Loudspeaker system
US4593784A (en) Loudspeaker enclosure
US3165587A (en) Multiple-loudspeaker system
US3944757A (en) High-fidelity moving-coil loudspeaker
US4206831A (en) Loudspeaker coupler
US3927261A (en) Multiple driver dynamic loud speaker
US4210223A (en) Low frequency folded exponential horn loudspeaker apparatus with bifurcated sound path
US2731101A (en) Loud speaker
US20120121118A1 (en) Slotted waveguide for loudspeakers
US2765864A (en) Acoustic horn assembly
US2986229A (en) Loudspeaker enclosures
US2001089A (en) Horn
GB765183A (en) Improvements in or relating to loudspeakers
US4126204A (en) Speaker system
US2013695A (en) Acoustic disseminator
US3131783A (en) Loud-speaker enclosure
JPH06261385A (ja) 指向性スピーカ装置
US2979150A (en) High fidelity loud speaker cabinet