FR1013453A - Dispositif de transmission de l'heure - Google Patents

Dispositif de transmission de l'heure

Info

Publication number
FR1013453A
FR1013453A FR1013453DA FR1013453A FR 1013453 A FR1013453 A FR 1013453A FR 1013453D A FR1013453D A FR 1013453DA FR 1013453 A FR1013453 A FR 1013453A
Authority
FR
France
Prior art keywords
transmission device
time transmission
time
transmission
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
Fernand Prandi
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 FR1013453A publication Critical patent/FR1013453A/fr
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
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G9/00—Visual time or date indication means
    • G04G9/02—Visual time or date indication means by selecting desired characters out of a number of characters or by selecting indicating elements the position of which represent the time, e.g. by using multiplexing techniques
    • G04G9/04—Visual time or date indication means by selecting desired characters out of a number of characters or by selecting indicating elements the position of which represent the time, e.g. by using multiplexing techniques by controlling light sources, e.g. electroluminescent diodes

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
FR1013453D 1950-03-02 1950-03-02 Dispositif de transmission de l'heure Expired FR1013453A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1013453T 1950-03-02

Publications (1)

Publication Number Publication Date
FR1013453A true FR1013453A (fr) 1952-07-29

Family

ID=9571666

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1013453D Expired FR1013453A (fr) 1950-03-02 1950-03-02 Dispositif de transmission de l'heure

Country Status (1)

Country Link
FR (1) FR1013453A (fr)

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