SE358800B - - Google Patents

Info

Publication number
SE358800B
SE358800B SE02475/72A SE247572A SE358800B SE 358800 B SE358800 B SE 358800B SE 02475/72 A SE02475/72 A SE 02475/72A SE 247572 A SE247572 A SE 247572A SE 358800 B SE358800 B SE 358800B
Authority
SE
Sweden
Application number
SE02475/72A
Inventor
L Nilsson
B Tykeson
Original Assignee
Bostedt J
B Tykeson
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, B Tykeson filed Critical Bostedt J
Priority to SE02475/72A priority Critical patent/SE358800B/xx
Priority to US00240726A priority patent/US3768589A/en
Priority to GB326273A priority patent/GB1390002A/en
Priority to DE2303799A priority patent/DE2303799B2/de
Priority to NO00784/73A priority patent/NO129070B/no
Priority to NL7302776A priority patent/NL7302776A/xx
Publication of SE358800B publication Critical patent/SE358800B/xx

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
    • H04R1/2869—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself
    • H04R1/2876—Reduction 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
    • H04R1/288—Reduction 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
    • 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 
    • H04R1/24—Structural combinations of separate transducers or of two parts of the same transducer and responsive respectively to two or more frequency ranges
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/12—Circuits 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)
SE02475/72A 1972-02-29 1972-02-29 SE358800B (enrdf_load_html_response)

Priority Applications (6)

Application Number Priority Date Filing Date Title
SE02475/72A SE358800B (enrdf_load_html_response) 1972-02-29 1972-02-29
US00240726A US3768589A (en) 1972-02-29 1972-04-03 Loudspeaker
GB326273A GB1390002A (en) 1972-02-29 1973-01-22 Loudspeakers
DE2303799A DE2303799B2 (de) 1972-02-29 1973-01-26 Lautsprecher
NO00784/73A NO129070B (enrdf_load_html_response) 1972-02-29 1973-02-27
NL7302776A NL7302776A (enrdf_load_html_response) 1972-02-29 1973-02-28

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
SE358800B true SE358800B (enrdf_load_html_response) 1973-08-06

Family

ID=20260024

Family Applications (1)

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

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
US10057701B2 (en) 2015-03-31 2018-08-21 Bose Corporation Method of manufacturing a loudspeaker
US9451355B1 (en) 2015-03-31 2016-09-20 Bose Corporation Directional acoustic device
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
US3768589A (en) 1973-10-30
GB1390002A (en) 1975-04-09
NL7302776A (enrdf_load_html_response) 1973-08-31
DE2303799A1 (de) 1973-09-13
DE2303799B2 (de) 1975-05-07
NO129070B (enrdf_load_html_response) 1974-02-18

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