FR821582A - Automatic calendar - Google Patents

Automatic calendar

Info

Publication number
FR821582A
FR821582A FR821582DA FR821582A FR 821582 A FR821582 A FR 821582A FR 821582D A FR821582D A FR 821582DA FR 821582 A FR821582 A FR 821582A
Authority
FR
France
Prior art keywords
automatic calendar
calendar
automatic
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
Zdenek Jiskra
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 FR821582A publication Critical patent/FR821582A/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
    • G04B19/247—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 disc-shaped
    • G04B19/253—Driving or releasing mechanisms
    • G04B19/25333—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement
    • G04B19/25373—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
    • G04B19/2538—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 automatically corrected at the end of months having less than 31 days

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR821582D 1936-03-30 1937-03-27 Automatic calendar Expired FR821582A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CS821582X 1936-03-30

Publications (1)

Publication Number Publication Date
FR821582A true FR821582A (en) 1937-12-08

Family

ID=5455812

Family Applications (1)

Application Number Title Priority Date Filing Date
FR821582D Expired FR821582A (en) 1936-03-30 1937-03-27 Automatic calendar

Country Status (1)

Country Link
FR (1) FR821582A (en)

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