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FR834890A - Improvements to devices giving time indications - Google Patents

Improvements to devices giving time indications

Info

Publication number
FR834890A
FR834890A FR834890DA FR834890A FR 834890 A FR834890 A FR 834890A FR 834890D A FR834890D A FR 834890DA FR 834890 A FR834890 A FR 834890A
Authority
FR
France
Prior art keywords
time indications
giving time
devices giving
devices
indications
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
French (fr)
Inventor
Bror Arvid Daniel Nygren
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 FR834890A publication Critical patent/FR834890A/en
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
    • G04B19/24—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars
    • G04B19/243—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator
    • G04B19/24346—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator band-shaped
    • G04B19/2436—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement
    • G04B19/24373—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement driven or released stepwise by an energy source which is released at determined moments by the clockwork movement

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR834890D 1938-03-07 1938-03-07 Improvements to devices giving time indications Expired FR834890A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR834890T 1938-03-07

Publications (1)

Publication Number Publication Date
FR834890A true FR834890A (en) 1938-12-05

Family

ID=9297388

Family Applications (1)

Application Number Title Priority Date Filing Date
FR834890D Expired FR834890A (en) 1938-03-07 1938-03-07 Improvements to devices giving time indications

Country Status (1)

Country Link
FR (1) FR834890A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2952967A (en) * 1957-02-04 1960-09-20 Nussle Guillaume Wrist-watch
US3024590A (en) * 1960-02-01 1962-03-13 James T Wynne Time indicating device
US3597918A (en) * 1969-10-06 1971-08-10 Gen Time Corp Digitally indicating clock-timer

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2952967A (en) * 1957-02-04 1960-09-20 Nussle Guillaume Wrist-watch
US3024590A (en) * 1960-02-01 1962-03-13 James T Wynne Time indicating device
US3597918A (en) * 1969-10-06 1971-08-10 Gen Time Corp Digitally indicating clock-timer

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