GB508458A - Improvements in or relating to loudspeaker installations - Google Patents

Improvements in or relating to loudspeaker installations

Info

Publication number
GB508458A
GB508458A GB32641/38A GB3264138A GB508458A GB 508458 A GB508458 A GB 508458A GB 32641/38 A GB32641/38 A GB 32641/38A GB 3264138 A GB3264138 A GB 3264138A GB 508458 A GB508458 A GB 508458A
Authority
GB
United Kingdom
Prior art keywords
loud
speaker
sound
horizontal
axis
Prior art date
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.)
Expired
Application number
GB32641/38A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Telefunken AG
Original Assignee
Telefunken AG
Telefunken Gesellschaft fuer Drahtlose Telegraphie mbH
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 Telefunken AG, Telefunken Gesellschaft fuer Drahtlose Telegraphie mbH filed Critical Telefunken AG
Publication of GB508458A publication Critical patent/GB508458A/en
Expired 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
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/34—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
    • H04R1/345—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means for loudspeakers

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
GB32641/38A 1937-11-10 1938-11-10 Improvements in or relating to loudspeaker installations Expired GB508458A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE207880X 1937-11-10

Publications (1)

Publication Number Publication Date
GB508458A true GB508458A (en) 1939-06-30

Family

ID=5793936

Family Applications (1)

Application Number Title Priority Date Filing Date
GB32641/38A Expired GB508458A (en) 1937-11-10 1938-11-10 Improvements in or relating to loudspeaker installations

Country Status (5)

Country Link
US (1) US2210477A (forum.php)
BE (1) BE430974A (forum.php)
CH (1) CH207880A (forum.php)
GB (1) GB508458A (forum.php)
NL (1) NL52281C (forum.php)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2195218A (en) * 1986-09-13 1988-03-30 Sharp Kk Loudspeaker diffuser
US5173942A (en) * 1986-09-13 1992-12-22 Sharp Kabushiki Kaisha Audio system operable in directional and non-directional modes

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2689016A (en) * 1953-04-14 1954-09-14 Henry C Lang Sound reproducing system
US3043912A (en) * 1957-07-10 1962-07-10 Laney William J De Intercom for automobiles
US3065816A (en) * 1958-03-10 1962-11-27 Rangertone Electronics Corp Stereophonic sound distributor
US3080012A (en) * 1958-09-26 1963-03-05 Columbia Broadcasting Syst Inc Stereophonic loudspeaker arrays
US3045064A (en) * 1959-06-01 1962-07-17 Margaret H Sellers Apparatus for transmitting sound from a baseball field
NL267133A (forum.php) * 1960-07-15
US3557324A (en) * 1967-04-28 1971-01-19 Yoshiro Nakamatsu Television receiver having means for causing sound to emanate from picture plane
US3679023A (en) * 1968-08-06 1972-07-25 John C Rankin Loudspeaker enclosure
US3642091A (en) * 1968-10-09 1972-02-15 Pioneer Electronic Corp Underground acoustic device
US3590941A (en) * 1969-10-10 1971-07-06 Arvin Ind Inc Speaker enclosure
US3674108A (en) * 1970-10-29 1972-07-04 David L Beatty Outdoor speaker enclosure
US3964571A (en) * 1975-04-01 1976-06-22 Peter Garland Snell Acoustic system
US4949386A (en) * 1988-05-23 1990-08-14 Hill Amel L Speaker system
US5033577A (en) * 1988-12-06 1991-07-23 Bose Corporation Room sound reproducing
US8873788B1 (en) * 2010-08-30 2014-10-28 Jeffery James Coombs In-ground audio sub woofer and method of installation
US10240796B1 (en) * 2016-05-20 2019-03-26 Beckwell Companies, LLC Fire pit insert assembly
US10499128B2 (en) * 2018-04-20 2019-12-03 Sonos, Inc. Playback devices having waveguides with drainage features
KR102507425B1 (ko) * 2018-10-23 2023-03-09 현대자동차주식회사 차량용 스피커장치
JP7186373B2 (ja) * 2019-09-13 2022-12-09 パナソニックＩｐマネジメント株式会社 音響レンズ及びスピーカシステム

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2195218A (en) * 1986-09-13 1988-03-30 Sharp Kk Loudspeaker diffuser
GB2195218B (en) * 1986-09-13 1990-02-21 Sharp Kk Speaker unit
US5173942A (en) * 1986-09-13 1992-12-22 Sharp Kabushiki Kaisha Audio system operable in directional and non-directional modes

Also Published As

Publication number Publication date
NL52281C (forum.php)
BE430974A (forum.php)
CH207880A (de) 1939-12-15
US2210477A (en) 1940-08-06

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