CH13243A - Improved date mechanism - Google Patents

Improved date mechanism

Info

Publication number
CH13243A
CH13243A CH13243A CH13243DA CH13243A CH 13243 A CH13243 A CH 13243A CH 13243 A CH13243 A CH 13243A CH 13243D A CH13243D A CH 13243DA CH 13243 A CH13243 A CH 13243A
Authority
CH
Switzerland
Prior art keywords
date mechanism
improved date
improved
date
Prior art date
Application number
CH13243A
Other languages
French (fr)
Inventor
Wilhelm Voland
Original Assignee
Wilhelm Voland
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 Wilhelm Voland filed Critical Wilhelm Voland
Publication of CH13243A publication Critical patent/CH13243A/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
    • G04B19/00—Indicating the time by visual means
    • G04B19/26—Clocks or watches with indicators for tides, for the phases of the moon, or the like
    • G04B19/268—Clocks or watches with indicators for tides, for the phases of the moon, or the like with indicators for the phases of the moon
    • 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
    • G04B19/25353—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement driven or released stepwise by the clockwork movement
    • G04B19/25366—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement driven or released stepwise by the clockwork movement manually corrected at the end of months having less than 31 days

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
CH13243A 1896-11-10 1896-11-10 Improved date mechanism CH13243A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH13243T 1896-11-10

Publications (1)

Publication Number Publication Date
CH13243A true CH13243A (en) 1897-05-15

Family

ID=4207769

Family Applications (1)

Application Number Title Priority Date Filing Date
CH13243A CH13243A (en) 1896-11-10 1896-11-10 Improved date mechanism

Country Status (1)

Country Link
CH (1) CH13243A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4881213A (en) * 1987-09-24 1989-11-14 Eta Sa Fabriques D'ebauches Watch movement having date and phases of the moon indicators

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4881213A (en) * 1987-09-24 1989-11-14 Eta Sa Fabriques D'ebauches Watch movement having date and phases of the moon indicators

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