FR419730A - Bell speed warning device - Google Patents

Bell speed warning device

Info

Publication number
FR419730A
FR419730A FR419730DA FR419730A FR 419730 A FR419730 A FR 419730A FR 419730D A FR419730D A FR 419730DA FR 419730 A FR419730 A FR 419730A
Authority
FR
France
Prior art keywords
warning device
speed warning
bell speed
bell
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
Charles Dutordoir
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 FR419730A publication Critical patent/FR419730A/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
    • G10K1/00—Devices in which sound is produced by striking a resonating body, e.g. bells, chimes or gongs
    • G10K1/06—Devices in which sound is produced by striking a resonating body, e.g. bells, chimes or gongs the resonating devices having the shape of a bell, plate, rod, or tube
    • G10K1/07—Devices in which sound is produced by striking a resonating body, e.g. bells, chimes or gongs the resonating devices having the shape of a bell, plate, rod, or tube mechanically operated; Hand bells; Bells for animals
    • G10K1/072—Operating or striking mechanisms therefor
    • G10K1/074—Operating or striking mechanisms therefor with rotary clappers or shells

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
FR419730D 1909-07-26 1910-07-26 Bell speed warning device Expired FR419730A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE419730X 1909-07-26

Publications (1)

Publication Number Publication Date
FR419730A true FR419730A (en) 1911-01-13

Family

ID=1462931

Family Applications (1)

Application Number Title Priority Date Filing Date
FR419730D Expired FR419730A (en) 1909-07-26 1910-07-26 Bell speed warning device

Country Status (1)

Country Link
FR (1) FR419730A (en)

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