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FR1042845A - Pendulum - Google Patents

Pendulum

Info

Publication number
FR1042845A
FR1042845A FR1042845DA FR1042845A FR 1042845 A FR1042845 A FR 1042845A FR 1042845D A FR1042845D A FR 1042845DA FR 1042845 A FR1042845 A FR 1042845A
Authority
FR
France
Prior art keywords
pendulum
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
Alfred Riechers
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 FR1042845A publication Critical patent/FR1042845A/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)
FR1042845D 1950-04-05 1951-04-03 Pendulum Expired FR1042845A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1042845X 1950-04-05

Publications (1)

Publication Number Publication Date
FR1042845A true FR1042845A (en) 1953-11-04

Family

ID=7716602

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1042845D Expired FR1042845A (en) 1950-04-05 1951-04-03 Pendulum

Country Status (1)

Country Link
FR (1) FR1042845A (en)

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