GB191508424A - Improvements in or relating to Speaking Tubes. - Google Patents

Improvements in or relating to Speaking Tubes.

Info

Publication number
GB191508424A
GB191508424A GB191508424DA GB191508424A GB 191508424 A GB191508424 A GB 191508424A GB 191508424D A GB191508424D A GB 191508424DA GB 191508424 A GB191508424 A GB 191508424A
Authority
GB
United Kingdom
Prior art keywords
valve
relating
mouth
fitted
tube
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
William Berryman
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
Publication of GB191508424A publication Critical patent/GB191508424A/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)
  • Lighters Containing Fuel (AREA)

Abstract

8424. Berryman, W. June 7. Speaking-tubes.-The mouth or ear piece m fitted with a valve adapted to close the pipe when the tube is not in use. In the construction shown m Fig. 1, the mouthpiece b is fitted with a hinged valve c provided with a weighted handle g adapted normally to close the valve. Instead of a weight a spring may be employed. The mouth may be closed by a hinged lid h having a suitable fastening k. Apertures may be provided for the escape of water &c. The hinge is preferably external to the tube.
GB191508424D 1915-06-07 1915-06-07 Improvements in or relating to Speaking Tubes. Expired GB191508424A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB191508424T 1915-06-07

Publications (1)

Publication Number Publication Date
GB191508424A true GB191508424A (en) 1916-03-09

Family

ID=32675130

Family Applications (1)

Application Number Title Priority Date Filing Date
GB191508424D Expired GB191508424A (en) 1915-06-07 1915-06-07 Improvements in or relating to Speaking Tubes.

Country Status (1)

Country Link
GB (1) GB191508424A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017014812A1 (en) * 2015-07-17 2017-01-26 Keith Kropf Underwater voice communication devices and associated methods
US9949022B2 (en) 2014-09-29 2018-04-17 Keith Kropf Underwater communication systems, underwater speakers, underwater microphone assemblies and methods
US10032446B2 (en) 2014-09-29 2018-07-24 Keith Kropf Underwater voice communication devices and associated methods

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9949022B2 (en) 2014-09-29 2018-04-17 Keith Kropf Underwater communication systems, underwater speakers, underwater microphone assemblies and methods
US10032446B2 (en) 2014-09-29 2018-07-24 Keith Kropf Underwater voice communication devices and associated methods
WO2017014812A1 (en) * 2015-07-17 2017-01-26 Keith Kropf Underwater voice communication devices and associated methods

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