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FR843237A - Perfectionnements aux pendules ou réveils - Google Patents

Perfectionnements aux pendules ou réveils

Info

Publication number
FR843237A
FR843237A FR843237DA FR843237A FR 843237 A FR843237 A FR 843237A FR 843237D A FR843237D A FR 843237DA FR 843237 A FR843237 A FR 843237A
Authority
FR
France
Prior art keywords
clocks
alarm
alarm clocks
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
Samuel Kauffmann
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 FR843237A publication Critical patent/FR843237A/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
    • G04B19/00—Indicating the time by visual means
    • G04B19/30—Illumination of dials or hands

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR843237D 1938-09-09 1938-09-09 Perfectionnements aux pendules ou réveils Expired FR843237A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR843237T 1938-09-09

Publications (1)

Publication Number Publication Date
FR843237A true FR843237A (fr) 1939-06-28

Family

ID=9311799

Family Applications (1)

Application Number Title Priority Date Filing Date
FR843237D Expired FR843237A (fr) 1938-09-09 1938-09-09 Perfectionnements aux pendules ou réveils

Country Status (1)

Country Link
FR (1) FR843237A (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3349235A (en) * 1966-12-13 1967-10-24 Gen Time Corp Dial illuminating system for clocks
US3386238A (en) * 1966-03-15 1968-06-04 Gen Time Corp Control mechanism for alarm clock
DE1548140B1 (de) * 1966-02-21 1970-03-26 Gen Time Corp Weckeruhr

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1548140B1 (de) * 1966-02-21 1970-03-26 Gen Time Corp Weckeruhr
US3386238A (en) * 1966-03-15 1968-06-04 Gen Time Corp Control mechanism for alarm clock
US3349235A (en) * 1966-12-13 1967-10-24 Gen Time Corp Dial illuminating system for clocks

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