GB757021A - Improvements in or relating to loudspeaker mountings - Google Patents

Improvements in or relating to loudspeaker mountings

Info

Publication number
GB757021A
GB757021A GB22948/52A GB2294852A GB757021A GB 757021 A GB757021 A GB 757021A GB 22948/52 A GB22948/52 A GB 22948/52A GB 2294852 A GB2294852 A GB 2294852A GB 757021 A GB757021 A GB 757021A
Authority
GB
United Kingdom
Prior art keywords
loud
speakers
mountings
loudspeaker
relating
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
GB22948/52A
Inventor
Michael Lawrence Gayford
John Lewis Goodwin
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.)
Kolster Brandes Ltd
Original Assignee
Kolster Brandes Ltd
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 Kolster Brandes Ltd filed Critical Kolster Brandes Ltd
Priority to GB22948/52A priority Critical patent/GB757021A/en
Publication of GB757021A publication Critical patent/GB757021A/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
    • H04R1/36—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 by using a single aperture of dimensions not greater than the shortest operating wavelength

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)

Abstract

757,021. Loud - speakers. KOLSTERBRANDES, Ltd. Sept. 4, 1953 [Sept. 12, 1952], No. 22948/52. Addition to 659,063. Class 40 (4). A number of loud-speakers are mounted on a panel 2 with slots 3 in front of the diaphragms. The arrangement of each loud-speaker in relation to the slot is as described in the parent Specification. The panel 2 may form part of an open or closed box. Alternatively, the arrangement may comprise a num ber of individual loud-speakers piled up one on top of another. Specification 661,887 is referred to.
GB22948/52A 1947-09-10 1952-09-12 Improvements in or relating to loudspeaker mountings Expired GB757021A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB22948/52A GB757021A (en) 1947-09-10 1952-09-12 Improvements in or relating to loudspeaker mountings

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB283814X 1947-09-10
GB22948/52A GB757021A (en) 1947-09-10 1952-09-12 Improvements in or relating to loudspeaker mountings

Publications (1)

Publication Number Publication Date
GB757021A true GB757021A (en) 1956-09-12

Family

ID=26256207

Family Applications (1)

Application Number Title Priority Date Filing Date
GB22948/52A Expired GB757021A (en) 1947-09-10 1952-09-12 Improvements in or relating to loudspeaker mountings

Country Status (1)

Country Link
GB (1) GB757021A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2627886A1 (en) * 1988-02-29 1989-09-01 Heil Christian SOUND WAVE GUIDE CYLINDRICAL
US4870691A (en) * 1987-01-14 1989-09-26 Mindel Gerard S Load and dispersion cell for sound
FR2649572A1 (en) * 1989-07-07 1991-01-11 Thomson Consumer Electronics Sound reproduction device for televisions
US5058169A (en) * 1989-11-01 1991-10-15 Temmer Stephen F Public address system
FR2750823A1 (en) * 1996-07-08 1998-01-09 Piccaluga Pierre METHOD AND APPARATUS FOR REPRODUCING SOUND BY NATURAL FILTERING OF SOUND WAVES

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4870691A (en) * 1987-01-14 1989-09-26 Mindel Gerard S Load and dispersion cell for sound
FR2627886A1 (en) * 1988-02-29 1989-09-01 Heil Christian SOUND WAVE GUIDE CYLINDRICAL
EP0331566A1 (en) * 1988-02-29 1989-09-06 Heil Acoustics Cylindrical acoustic wave guide
US5163167A (en) * 1988-02-29 1992-11-10 Heil Acoustics Sound wave guide
FR2649572A1 (en) * 1989-07-07 1991-01-11 Thomson Consumer Electronics Sound reproduction device for televisions
US5058169A (en) * 1989-11-01 1991-10-15 Temmer Stephen F Public address system
FR2750823A1 (en) * 1996-07-08 1998-01-09 Piccaluga Pierre METHOD AND APPARATUS FOR REPRODUCING SOUND BY NATURAL FILTERING OF SOUND WAVES
WO1998002014A1 (en) * 1996-07-08 1998-01-15 Bonfils, Alan Method and apparatus for reproducing sound by natural filtering of sound waves

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