GB213083A - Improved horn for gramophones, wireless and like apparatus - Google Patents

Improved horn for gramophones, wireless and like apparatus

Info

Publication number
GB213083A
GB213083A GB488323A GB488323A GB213083A GB 213083 A GB213083 A GB 213083A GB 488323 A GB488323 A GB 488323A GB 488323 A GB488323 A GB 488323A GB 213083 A GB213083 A GB 213083A
Authority
GB
United Kingdom
Prior art keywords
horn
wireless
gramophones
sound
loops
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
GB488323A
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.)
PERCIVAL HARRY EALDEN
Original Assignee
PERCIVAL HARRY EALDEN
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 PERCIVAL HARRY EALDEN filed Critical PERCIVAL HARRY EALDEN
Priority to GB488323A priority Critical patent/GB213083A/en
Publication of GB213083A publication Critical patent/GB213083A/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)

Abstract

213,083. Ealden, P. H. Feb. 20, 1923.. Sound magnifying and directing appliances.-In a soundmagnifying horn, particularly for use in a cabinet gramophone or with a wireless set, and having a long spiral sound passage consisting of one or more loops 2, the flared mouth portion 3 extends across the spiral so as to give a compact structure. The loops may pass above or below or both above and below the mouth portion 3. The sound may enter through the end 1 or through the wall of the horn at any distancefrom the end.
GB488323A 1923-02-20 1923-02-20 Improved horn for gramophones, wireless and like apparatus Expired GB213083A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB488323A GB213083A (en) 1923-02-20 1923-02-20 Improved horn for gramophones, wireless and like apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB488323A GB213083A (en) 1923-02-20 1923-02-20 Improved horn for gramophones, wireless and like apparatus

Publications (1)

Publication Number Publication Date
GB213083A true GB213083A (en) 1924-03-27

Family

ID=9785623

Family Applications (1)

Application Number Title Priority Date Filing Date
GB488323A Expired GB213083A (en) 1923-02-20 1923-02-20 Improved horn for gramophones, wireless and like apparatus

Country Status (1)

Country Link
GB (1) GB213083A (en)

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