GB191216528A - Improvements in or relating to Mechanically Operated Diaphragm Horns or Alarms. - Google Patents

Improvements in or relating to Mechanically Operated Diaphragm Horns or Alarms.

Info

Publication number
GB191216528A
GB191216528A GB191216528DA GB191216528A GB 191216528 A GB191216528 A GB 191216528A GB 191216528D A GB191216528D A GB 191216528DA GB 191216528 A GB191216528 A GB 191216528A
Authority
GB
United Kingdom
Prior art keywords
balls
diaphragm
rods
drum
bodies
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
Louis Chollet
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 GB191216528A publication Critical patent/GB191216528A/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
    • G10K9/00—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers
    • G10K9/10—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers driven by mechanical means only

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Reciprocating Pumps (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)

Abstract

16,528. Chollet, L. July 19, 1911, [Convention date]. Diaphragm horns.-In a diaphragm horn or alarm the diaphragm is vibrated by the impact of a number of bodies carried by rods mounted on a rotating drum, the bodies being displaced towards the diaphragm by the flexing of the rods under the action of centrifugal force. In the construction shown, the drum a carries two disks d in which the rods carrying the balls f are mounted. The balls are returned to their initial position by springs g arranged on the rods on both sides of the balls. The Specification as open to inspection under Section 91 (3) (a) comprises also the modifications in which balls or cylindrical bodies are loosely arranged in radial housings in the drum or between, or in, the plates of the drum. This subject-matter does not appear in the Specification as accepted.
GB191216528D 1911-07-19 1911-07-19 Improvements in or relating to Mechanically Operated Diaphragm Horns or Alarms. Expired GB191216528A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR191216528X 1911-07-19

Publications (1)

Publication Number Publication Date
GB191216528A true GB191216528A (en) 1913-05-29

Family

ID=32606740

Family Applications (1)

Application Number Title Priority Date Filing Date
GB191216528D Expired GB191216528A (en) 1911-07-19 1911-07-19 Improvements in or relating to Mechanically Operated Diaphragm Horns or Alarms.

Country Status (1)

Country Link
GB (1) GB191216528A (en)

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