FR521719A - Alarm clock - Google Patents

Alarm clock

Info

Publication number
FR521719A
FR521719A FR521719A FR521719DA FR521719A FR 521719 A FR521719 A FR 521719A FR 521719 A FR521719 A FR 521719A FR 521719D A FR521719D A FR 521719DA FR 521719 A FR521719 A FR 521719A
Authority
FR
France
Prior art keywords
alarm clock
alarm
clock
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
FR521719A
Other languages
French (fr)
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.)
CIE IND DE MECANIQUE HORLOGERE
Original Assignee
CIE IND DE MECANIQUE HORLOGERE
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 CIE IND DE MECANIQUE HORLOGERE filed Critical CIE IND DE MECANIQUE HORLOGERE
Application granted granted Critical
Publication of FR521719A publication Critical patent/FR521719A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G04HOROLOGY
    • G04BMECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B23/00Arrangements producing acoustic signals at preselected times
    • G04B23/02Alarm clocks
    • G04B23/028Sounding bodies; boxes used as sounding cases; fixation on or in the case

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • General Physics & Mathematics (AREA)
FR521719A 1919-09-06 1920-08-03 Alarm clock Expired FR521719A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH521719X 1919-09-06

Publications (1)

Publication Number Publication Date
FR521719A true FR521719A (en) 1921-07-19

Family

ID=4518005

Family Applications (1)

Application Number Title Priority Date Filing Date
FR521719A Expired FR521719A (en) 1919-09-06 1920-08-03 Alarm clock

Country Status (1)

Country Link
FR (1) FR521719A (en)

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