FR1068992A - New acoustic effect watchmaking device - Google Patents

New acoustic effect watchmaking device

Info

Publication number
FR1068992A
FR1068992A FR1068992DA FR1068992A FR 1068992 A FR1068992 A FR 1068992A FR 1068992D A FR1068992D A FR 1068992DA FR 1068992 A FR1068992 A FR 1068992A
Authority
FR
France
Prior art keywords
acoustic effect
new acoustic
watchmaking device
watchmaking
new
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
Fritz Sauerbrei
Wilhelm Gmelin
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 FR1068992A publication Critical patent/FR1068992A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C21/00—Producing acoustic time signals by electrical means
    • G04C21/04—Indicating the time of the day
    • G04C21/12—Indicating the time of the day by electro-acoustic means

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • General Physics & Mathematics (AREA)
FR1068992D 1952-10-14 1952-10-14 New acoustic effect watchmaking device Expired FR1068992A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1068992T 1952-10-14

Publications (1)

Publication Number Publication Date
FR1068992A true FR1068992A (en) 1954-07-02

Family

ID=9603991

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1068992D Expired FR1068992A (en) 1952-10-14 1952-10-14 New acoustic effect watchmaking device

Country Status (1)

Country Link
FR (1) FR1068992A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3525169A (en) * 1967-10-25 1970-08-25 William Odenwald Creature repeller

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3525169A (en) * 1967-10-25 1970-08-25 William Odenwald Creature repeller

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