FR924755A - Avertisseur périodique à durée réglable - Google Patents

Avertisseur périodique à durée réglable

Info

Publication number
FR924755A
FR924755A FR924755DA FR924755A FR 924755 A FR924755 A FR 924755A FR 924755D A FR924755D A FR 924755DA FR 924755 A FR924755 A FR 924755A
Authority
FR
France
Prior art keywords
adjustable duration
periodic alarm
periodic
alarm
duration
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)
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.)
PREC ELECTRO MAGNETIQUE
Original Assignee
PREC ELECTRO MAGNETIQUE
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 PREC ELECTRO MAGNETIQUE filed Critical PREC ELECTRO MAGNETIQUE
Application granted granted Critical
Publication of FR924755A publication Critical patent/FR924755A/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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR924755D 1946-03-05 1946-03-05 Avertisseur périodique à durée réglable Expired FR924755A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR924755T 1946-03-05

Publications (1)

Publication Number Publication Date
FR924755A true FR924755A (fr) 1947-08-14

Family

ID=9439566

Family Applications (1)

Application Number Title Priority Date Filing Date
FR924755D Expired FR924755A (fr) 1946-03-05 1946-03-05 Avertisseur périodique à durée réglable

Country Status (1)

Country Link
FR (1) FR924755A (fr)

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