FR870453A - Réveille-matin synchrone - Google Patents

Réveille-matin synchrone

Info

Publication number
FR870453A
FR870453A FR870453DA FR870453A FR 870453 A FR870453 A FR 870453A FR 870453D A FR870453D A FR 870453DA FR 870453 A FR870453 A FR 870453A
Authority
FR
France
Prior art keywords
alarm clock
synchronous alarm
synchronous
clock
alarm
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
Helmut Junghans
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.)
Gebr Junghans AG
Original Assignee
Gebr Junghans AG
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 Gebr Junghans AG filed Critical Gebr Junghans AG
Application granted granted Critical
Publication of FR870453A publication Critical patent/FR870453A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B23/00—Arrangements producing acoustic signals at preselected times
    • G04B23/02—Alarm clocks
    • G04B23/026—Hammer driving; hammers; devices with several hammers or sounding bodies; vibrators

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • General Physics & Mathematics (AREA)
FR870453D 1939-08-29 1941-02-27 Réveille-matin synchrone Expired FR870453A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE870453X 1939-08-29

Publications (1)

Publication Number Publication Date
FR870453A true FR870453A (fr) 1942-03-12

Family

ID=6806344

Family Applications (1)

Application Number Title Priority Date Filing Date
FR870453D Expired FR870453A (fr) 1939-08-29 1941-02-27 Réveille-matin synchrone

Country Status (1)

Country Link
FR (1) FR870453A (fr)

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