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CH273741A - Alarm clock. - Google Patents

Alarm clock.

Info

Publication number
CH273741A
CH273741A CH273741DA CH273741A CH 273741 A CH273741 A CH 273741A CH 273741D A CH273741D A CH 273741DA CH 273741 A CH273741 A CH 273741A
Authority
CH
Switzerland
Prior art keywords
alarm clock
alarm
clock
Prior art date
Application number
Other languages
French (fr)
Inventor
Graef Jean-Pierre
Original Assignee
Graef Jean Pierre
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 Graef Jean Pierre filed Critical Graef Jean Pierre
Publication of CH273741A publication Critical patent/CH273741A/en

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
    • G04B23/12—Alarm watches to be worn in pockets or on the wrist

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • General Physics & Mathematics (AREA)
CH273741D 1948-11-15 1948-11-15 Alarm clock. CH273741A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH273741T 1948-11-15

Publications (1)

Publication Number Publication Date
CH273741A true CH273741A (en) 1951-02-28

Family

ID=4479400

Family Applications (1)

Application Number Title Priority Date Filing Date
CH273741D CH273741A (en) 1948-11-15 1948-11-15 Alarm clock.

Country Status (1)

Country Link
CH (1) CH273741A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1104900B (en) * 1953-11-23 1961-04-13 Helmut Junghans Dr Ing Wrist watch movement
US3086352A (en) * 1959-09-30 1963-04-23 Samuel Jack Kaufman Alarm wrist-watch

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1104900B (en) * 1953-11-23 1961-04-13 Helmut Junghans Dr Ing Wrist watch movement
US3086352A (en) * 1959-09-30 1963-04-23 Samuel Jack Kaufman Alarm wrist-watch

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