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GB215071A - Improvements in or relating to apparatus for collecting or transmitting sound - Google Patents

Improvements in or relating to apparatus for collecting or transmitting sound

Info

Publication number
GB215071A
GB215071A GB279723A GB279723A GB215071A GB 215071 A GB215071 A GB 215071A GB 279723 A GB279723 A GB 279723A GB 279723 A GB279723 A GB 279723A GB 215071 A GB215071 A GB 215071A
Authority
GB
United Kingdom
Prior art keywords
relating
collecting
sound
transmitting sound
horn
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
GB279723A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB279723A priority Critical patent/GB215071A/en
Publication of GB215071A publication Critical patent/GB215071A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K13/00—Cones, diaphragms, or the like, for emitting or receiving sound in general

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Crushing And Pulverization Processes (AREA)

Abstract

215,071. Clutsam, r. Jan. 30, 1923. Drawings to Specification. Sound-box cases; horns, arranging and supporting. - The lower section of a. phonograph &c., horn, subdivided into tapering passageways, may be formed integral with the casing of the device with which it is to be employed, whilst, according to the Provisional Specification, the back wall of the sound-box may have a number of perforations, spaced a part and all enclosed within the end of tihe horn.
GB279723A 1923-01-30 1923-01-30 Improvements in or relating to apparatus for collecting or transmitting sound Expired GB215071A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB279723A GB215071A (en) 1923-01-30 1923-01-30 Improvements in or relating to apparatus for collecting or transmitting sound

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB279723A GB215071A (en) 1923-01-30 1923-01-30 Improvements in or relating to apparatus for collecting or transmitting sound

Publications (1)

Publication Number Publication Date
GB215071A true GB215071A (en) 1924-04-30

Family

ID=9746091

Family Applications (1)

Application Number Title Priority Date Filing Date
GB279723A Expired GB215071A (en) 1923-01-30 1923-01-30 Improvements in or relating to apparatus for collecting or transmitting sound

Country Status (1)

Country Link
GB (1) GB215071A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4685532A (en) * 1986-02-21 1987-08-11 Electro-Voice, Inc. Constant directivity loudspeaker horn
GB2342550A (en) * 1998-10-03 2000-04-12 George Peter John Fish Stand up horn

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4685532A (en) * 1986-02-21 1987-08-11 Electro-Voice, Inc. Constant directivity loudspeaker horn
GB2342550A (en) * 1998-10-03 2000-04-12 George Peter John Fish Stand up horn

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