JPS5023215A - - Google Patents

Info

Publication number
JPS5023215A
JPS5023215A JP49063826A JP6382674A JPS5023215A JP S5023215 A JPS5023215 A JP S5023215A JP 49063826 A JP49063826 A JP 49063826A JP 6382674 A JP6382674 A JP 6382674A JP S5023215 A JPS5023215 A JP S5023215A
Authority
JP
Japan
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.)
Pending
Application number
JP49063826A
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 filed Critical
Publication of JPS5023215A publication Critical patent/JPS5023215A/ja
Pending 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 
    • H04R1/30—Combinations of transducers with horns, e.g. with mechanical matching means, i.e. front-loaded horns
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R5/00—Stereophonic arrangements
    • H04R5/02—Spatial or constructional arrangements of loudspeakers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
JP49063826A 1973-06-05 1974-06-05 Pending JPS5023215A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/367,157 US3980829A (en) 1973-06-05 1973-06-05 Wide angle cylindrical wave loudspeaker extending approximately from floor to ceiling height with a lens

Publications (1)

Publication Number Publication Date
JPS5023215A true JPS5023215A (ja) 1975-03-12

Family

ID=23446126

Family Applications (1)

Application Number Title Priority Date Filing Date
JP49063826A Pending JPS5023215A (ja) 1973-06-05 1974-06-05

Country Status (4)

Country Link
US (1) US3980829A (ja)
JP (1) JPS5023215A (ja)
DE (1) DE2427142A1 (ja)
FR (1) FR2232898B3 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5358135A (en) * 1976-11-04 1978-05-25 Tsuzuki Junichi Tunnel upset work device and tunnel upset work method
JP2020532912A (ja) * 2017-09-04 2020-11-12 アルコンズ オーディオ ビー．ヴィ．Ａｌｃｏｎｓ Ａｕｄｉｏ Ｂ．Ｖ． 波面整形装置を備えたラウドスピーカ

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1086464B (it) * 1977-09-06 1985-05-28 Selmin Sas Metodo e dispositivi per l'irradiazione omnidirezionale di onde acustiche
US4270023A (en) * 1979-05-31 1981-05-26 Beveridge Harold N Cylindrical speaker mechanism
US4267405A (en) * 1979-06-05 1981-05-12 Mcintosh Laboratory, Inc. Stereo speaker system for creating stereo images
DE3407980A1 (de) * 1983-04-20 1984-10-25 Tadashi Tokio/Tokyo Sawafuji Kristallschallerzeuger
FR2627886B1 (fr) * 1988-02-29 1994-05-13 Heil Christian Guide d'onde sonore cylindrique
WO2001047319A2 (de) * 1999-12-22 2001-06-28 Boxart Ag Verfahren und anlage zur aufnahme und wiedergabe von klängen
US20110222722A1 (en) * 2004-05-28 2011-09-15 Lennart Hoglund Loudspeaker with distributed driving of the membrane
SE528998C2 (sv) * 2004-05-28 2007-04-03 Lennart Hoeglund Högtalarsystem
JP2008278145A (ja) * 2007-04-27 2008-11-13 Victor Co Of Japan Ltd スピーカシステム用音波行路長補正構造
EP2311270B1 (en) 2008-08-14 2017-10-04 Harman International Industries, Incorporated Phase plug and acoustic lens for direct radiating loudspeaker
US9571923B2 (en) 2015-01-19 2017-02-14 Harman International Industries, Incorporated Acoustic waveguide
EP3429224A1 (en) 2017-07-14 2019-01-16 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Loudspeaker
US11682378B2 (en) * 2020-12-16 2023-06-20 Signal Essence, LLC Acoustic lens for safety barriers

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2102212A (en) * 1935-09-30 1937-12-14 Rca Corp Sound reproducing apparatus
US1735860A (en) * 1927-04-01 1929-11-19 Acoustic Products Company Flexed sounding board
US1849486A (en) * 1927-04-06 1932-03-15 Rca Corp Multiple unit sound amplifier
US2143175A (en) * 1937-10-23 1939-01-10 Samuel A Waite Sound reproducing system
US2481576A (en) * 1944-07-14 1949-09-13 Hartford Nat Bank & Trust Co Device for stereophonic sound transmission in two channels
US2537141A (en) * 1945-06-15 1951-01-09 Paul W Klipsch Loud-speaker horn
US2636943A (en) * 1951-02-26 1953-04-28 Pierre H Schaeffer Spatial music projecting device
GB744167A (en) * 1952-11-19 1956-02-01 Tannoy Ltd Improvements relating to loudspeakers
US2751996A (en) * 1953-04-29 1956-06-26 Sidney E Levy Horn for loudspeakers
US2941044A (en) * 1954-04-23 1960-06-14 Rca Corp Controlled sound reproduction
GB829214A (en) * 1957-01-11 1960-03-02 Douglas Arthur Lyons Improvements in loud speaker systems
US3070669A (en) * 1957-10-21 1962-12-25 Philips Corp Stereophonic sound recording and reproduction
FR1199441A (fr) * 1958-02-26 1959-12-14 Procédé et dispositifs de restitution de l'espace sonore dans des locaux de faibles ou moyennes dimensions
US3027964A (en) * 1958-06-24 1962-04-03 Ampex Loudspeaker
GB978781A (en) * 1961-04-14 1964-12-23 Gen Electric Co Ltd Improvements in or relating to sound reproducing apparatus
US3162727A (en) * 1961-08-25 1964-12-22 Gen Electric Stereophonic reverberation system
US3179202A (en) * 1963-04-15 1965-04-20 Argos Products Company Inc Enclosure for focusing a loudspeaker sound column
US3308237A (en) * 1963-05-31 1967-03-07 Muter Company Columnar loudspeaker system
US3207257A (en) * 1964-10-14 1965-09-21 Basil L Wilson Adjustable column speaker enclosure
US3389226A (en) * 1964-12-29 1968-06-18 Gen Electric Electrostatic loudspeaker
GB1088756A (en) * 1965-02-01 1967-10-25 Decca Ltd Improvements in or relating to loudspeaker horns
US3582553A (en) * 1967-12-04 1971-06-01 Bose Corp Loudspeaker system
US3668335A (en) * 1969-06-17 1972-06-06 Harold N Beveridge Electrostatic loudspeaker

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5358135A (en) * 1976-11-04 1978-05-25 Tsuzuki Junichi Tunnel upset work device and tunnel upset work method
JP2020532912A (ja) * 2017-09-04 2020-11-12 アルコンズ オーディオ ビー．ヴィ．Ａｌｃｏｎｓ Ａｕｄｉｏ Ｂ．Ｖ． 波面整形装置を備えたラウドスピーカ

Also Published As

Publication number Publication date
US3980829A (en) 1976-09-14
DE2427142A1 (de) 1975-01-02
FR2232898B3 (ja) 1977-04-08
FR2232898A1 (ja) 1975-01-03

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