FR889910A - Perfectionnements aux réveille-matin - Google Patents

Perfectionnements aux réveille-matin

Info

Publication number
FR889910A
FR889910A FR889910DA FR889910A FR 889910 A FR889910 A FR 889910A FR 889910D A FR889910D A FR 889910DA FR 889910 A FR889910 A FR 889910A
Authority
FR
France
Prior art keywords
enhancements
alarm clock
alarm
clock
clock enhancements
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
Emile Chauvin
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 FR889910A publication Critical patent/FR889910A/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
    • G04B23/10—Alarm clocks with presignal; with repeated signal; with changeable intensity of sound

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • General Physics & Mathematics (AREA)
FR889910D 1942-09-16 1942-09-16 Perfectionnements aux réveille-matin Expired FR889910A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR889910T 1942-09-16

Publications (1)

Publication Number Publication Date
FR889910A true FR889910A (fr) 1944-01-24

Family

ID=9377372

Family Applications (1)

Application Number Title Priority Date Filing Date
FR889910D Expired FR889910A (fr) 1942-09-16 1942-09-16 Perfectionnements aux réveille-matin

Country Status (1)

Country Link
FR (1) FR889910A (fr)

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