FR494969A - Sonnerie de porte d'entrée, à remontage automatique - Google Patents

Sonnerie de porte d'entrée, à remontage automatique

Info

Publication number
FR494969A
FR494969A FR494969DA FR494969A FR 494969 A FR494969 A FR 494969A FR 494969D A FR494969D A FR 494969DA FR 494969 A FR494969 A FR 494969A
Authority
FR
France
Prior art keywords
winding
self
door bell
bell
door
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
English (en)
Inventor
Frederic Perret
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 FR494969A publication Critical patent/FR494969A/fr
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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
FR494969D 1919-01-21 1919-01-21 Sonnerie de porte d'entrée, à remontage automatique Expired FR494969A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR494969T 1919-01-21

Publications (1)

Publication Number Publication Date
FR494969A true FR494969A (fr) 1919-09-25

Family

ID=1530556

Family Applications (1)

Application Number Title Priority Date Filing Date
FR494969D Expired FR494969A (fr) 1919-01-21 1919-01-21 Sonnerie de porte d'entrée, à remontage automatique

Country Status (1)

Country Link
FR (1) FR494969A (fr)

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