FR495616A - Refinements to the tubes with diaphragm - Google Patents

Refinements to the tubes with diaphragm

Info

Publication number
FR495616A
FR495616A FR495616DA FR495616A FR 495616 A FR495616 A FR 495616A FR 495616D A FR495616D A FR 495616DA FR 495616 A FR495616 A FR 495616A
Authority
FR
France
Prior art keywords
refinements
diaphragm
tubes
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
Other languages
French (fr)
Inventor
Henry Storey
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 FR495616A publication Critical patent/FR495616A/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)
FR495616D 1918-02-21 1919-02-08 Refinements to the tubes with diaphragm Expired FR495616A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB495616X 1918-02-21

Publications (1)

Publication Number Publication Date
FR495616A true FR495616A (en) 1919-10-14

Family

ID=1531137

Family Applications (1)

Application Number Title Priority Date Filing Date
FR495616D Expired FR495616A (en) 1918-02-21 1919-02-08 Refinements to the tubes with diaphragm

Country Status (1)

Country Link
FR (1) FR495616A (en)

Similar Documents

Publication Publication Date Title
FR529843A (en) Reflector refinements
FR494109A (en) Diaphragm regulator
FR495616A (en) Refinements to the tubes with diaphragm
FR527350A (en) Rocket refinements
FR500637A (en) Carburetor improvements
FR504777A (en) Improvements made to carburetors
CH77623A (en) tube
FR488818A (en) Envelope refinements
FR500151A (en) Gargousse refinements
FR500171A (en) Propeller refinements
FR493200A (en) Valve refinements
FR21115E (en) Improvements to metered telephone systems
FR500868A (en) Improvements to air pumps
FR493123A (en) Rattles refinements
FR518619A (en) RÖntgen tube
FR490331A (en) Badger refinements
FR491350A (en) Gasoline lantern refinements
FR506187A (en) Torch refinements
FR495661A (en) Improvements to prepaid telephone systems
FR500638A (en) Carburetor improvements
FR500639A (en) Carburetor improvements
FR521795A (en) Carburetor improvements
FR491584A (en) Carburetor improvements
FR527445A (en) Catalyst improvements
FR530884A (en) Churn improvements