GB191010801A - Improvements in Speaking Tubes. - Google Patents

Improvements in Speaking Tubes.

Info

Publication number
GB191010801A
GB191010801A GB191010801DA GB191010801A GB 191010801 A GB191010801 A GB 191010801A GB 191010801D A GB191010801D A GB 191010801DA GB 191010801 A GB191010801 A GB 191010801A
Authority
GB
United Kingdom
Prior art keywords
tube
speaking
tubes
bulb
calling
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
Inventor
Henri Abraham Joseph Penin
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
Application granted granted Critical
Publication of GB191010801A publication Critical patent/GB191010801A/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
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/18—Methods or devices for transmitting, conducting or directing sound
    • G10K11/22—Methods or devices for transmitting, conducting or directing sound for conducting sound through hollow pipes, e.g. speaking tubes

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Toys (AREA)

Abstract

10,801. Penin, H. A. J. March 10, [Convention date]. Speaking-tubes. - The body a of the instrument passes through the bulb b and is surmounted by the mouthpiece d. The calling-tube h is shown inside the tube a and opening into the bulb b, but the calling-tube may enter the tube a at any other point. A reed or whistle h<2> is provided.
GB191010801D 1910-03-10 1910-05-02 Improvements in Speaking Tubes. Expired GB191010801A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR191010801X 1910-03-10

Publications (1)

Publication Number Publication Date
GB191010801A true GB191010801A (en) 1910-09-08

Family

ID=32525722

Family Applications (1)

Application Number Title Priority Date Filing Date
GB191010801D Expired GB191010801A (en) 1910-03-10 1910-05-02 Improvements in Speaking Tubes.

Country Status (1)

Country Link
GB (1) GB191010801A (en)

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