FR645883A - Mechanically operated warning device - Google Patents

Mechanically operated warning device

Info

Publication number
FR645883A
FR645883A FR645883DA FR645883A FR 645883 A FR645883 A FR 645883A FR 645883D A FR645883D A FR 645883DA FR 645883 A FR645883 A FR 645883A
Authority
FR
France
Prior art keywords
warning device
mechanically operated
operated warning
mechanically
warning
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
Claudius-Henri Chatelet
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 filed Critical
Application granted granted Critical
Publication of FR645883A publication Critical patent/FR645883A/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)
FR645883D 1927-12-19 1927-12-19 Mechanically operated warning device Expired FR645883A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR645883T 1927-12-19

Publications (1)

Publication Number Publication Date
FR645883A true FR645883A (en) 1928-11-03

Family

ID=9001020

Family Applications (1)

Application Number Title Priority Date Filing Date
FR645883D Expired FR645883A (en) 1927-12-19 1927-12-19 Mechanically operated warning device

Country Status (1)

Country Link
FR (1) FR645883A (en)

Similar Documents

Publication Publication Date Title
FR642700A (en) Swimming device
FR679718A (en) Drawing device
FR645883A (en) Mechanically operated warning device
FR36206E (en) Mechanically operated warning device
FR631993A (en) Emulsifying device
FR628151A (en) Remote indicating electro-mechanical device
FR33043E (en) Mechanically operated syringe
FR652959A (en) Kineographic device
FR648972A (en) Movable shutter advertising device
FR675681A (en) Hydraulically actuated safety device
FR643225A (en) Stamping device
FR643808A (en) Emulsifying device
FR651456A (en) Mechanical tillage device
FR627129A (en) Indicator device
FR635582A (en) Sheet turning device
FR630730A (en) Pneumothorax device
FR627046A (en) Loader-digger device
FR660301A (en) Desargileur device
FR617469A (en) Mechanically operated syringe
FR612017A (en) Spray device
FR644324A (en) Cinematographic projection device
FR615564A (en) Mechanical cooling device
FR642908A (en) Mechanical wipers
FR620173A (en) Pneumothorax device
FR628401A (en) Rescue device