WO2015062839A3 - Hijri calendar - Google Patents

Hijri calendar Download PDF

Info

Publication number
WO2015062839A3
WO2015062839A3 PCT/EP2014/071719 EP2014071719W WO2015062839A3 WO 2015062839 A3 WO2015062839 A3 WO 2015062839A3 EP 2014071719 W EP2014071719 W EP 2014071719W WO 2015062839 A3 WO2015062839 A3 WO 2015062839A3
Authority
WO
WIPO (PCT)
Prior art keywords
month
months
day
cam
date indicator
Prior art date
Application number
PCT/EP2014/071719
Other languages
French (fr)
Other versions
WO2015062839A2 (en
Inventor
Alice BRAUCHART
Michel Parmigiani
Olivier EGGENSCHWILER
Original Assignee
Parmigiani Fleurier SA
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 Parmigiani Fleurier SA filed Critical Parmigiani Fleurier SA
Publication of WO2015062839A2 publication Critical patent/WO2015062839A2/en
Publication of WO2015062839A3 publication Critical patent/WO2015062839A3/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
    • G04B19/24—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars
    • G04B19/241—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars the date is indicated by one or more hands
    • 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

Abstract

A hijri calendar for a clockwork movement comprising: - a date indicator with 30 positions; - a first date driving mechanism intended to use a wheel (4) of the movement to drive the date indicator by a single step at the end of each day; - a second mechanism correcting the length of the months arranged to cooperate with said first date driving mechanism in order to drive the date indicator by two successive steps at the end of 29-day months, said second mechanism correcting the length of the months comprising a month cam (12) having six bosses (60) and six hollows (62), each hollow (62) defining a position of the month cam (12) corresponding to a 29-day month and each boss (60) defining a position of the month cam (12) corresponding to a 30-day month; - a third locking mechanism cooperating with said other two mechanisms and intended to temporarily neutralise the action of said second mechanism correcting the length of the months at the end of the twelve months of the leap years, defined by a 30-year correction cycle. The third locking mechanism is arranged so as, during the last month of said leap years, to lock the months cam (12) in a position corresponding to a 30-day month, such that the date indicator displays 30 on the last day of the twelfth and final month of said leap years.
PCT/EP2014/071719 2013-10-31 2014-10-10 Hijri calendar WO2015062839A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH1834/13 2013-10-31
CH01834/13A CH708853B1 (en) 2013-10-31 2013-10-31 Hijri calendar for watch movement.

Publications (2)

Publication Number Publication Date
WO2015062839A2 WO2015062839A2 (en) 2015-05-07
WO2015062839A3 true WO2015062839A3 (en) 2015-08-27

Family

ID=50101663

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2014/071719 WO2015062839A2 (en) 2013-10-31 2014-10-10 Hijri calendar

Country Status (2)

Country Link
CH (1) CH708853B1 (en)
WO (1) WO2015062839A2 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3173878B1 (en) * 2015-11-26 2021-05-26 Rolex Sa Timepiece calendar system
EP3173877B1 (en) 2015-11-26 2019-10-16 Rolex Sa Timepiece calendar system
EP3173876B1 (en) 2015-11-26 2020-09-02 Rolex Sa Timepiece calendar system
EP3705950B1 (en) * 2019-03-07 2021-11-17 Patek Philippe SA Genève Driving mechanism for timepiece
CH717492A1 (en) 2020-06-03 2021-12-15 Parmigiani Michel Hijri calendar.
EP3923084A1 (en) * 2020-06-12 2021-12-15 ETA SA Manufacture Horlogère Suisse Anti-correction system of an indicator for a timepiece
WO2024040277A1 (en) * 2022-08-22 2024-02-29 Von Oemis E.U. Device for counting and calculating

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0606576A1 (en) * 1993-01-13 1994-07-20 Michel Parmigiani Moslem calendar
EP1801670A1 (en) * 2005-12-23 2007-06-27 The Swatch Group Research and Development Ltd. Mechanism to display values in variable cycles, notably in a lunisolar calendar
WO2007129933A1 (en) * 2006-05-06 2007-11-15 Konstantin Yuryevich Chaykin Muslim calendar (variants) and method for determining date thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0606576A1 (en) * 1993-01-13 1994-07-20 Michel Parmigiani Moslem calendar
EP1801670A1 (en) * 2005-12-23 2007-06-27 The Swatch Group Research and Development Ltd. Mechanism to display values in variable cycles, notably in a lunisolar calendar
WO2007129933A1 (en) * 2006-05-06 2007-11-15 Konstantin Yuryevich Chaykin Muslim calendar (variants) and method for determining date thereof

Also Published As

Publication number Publication date
CH708853B1 (en) 2017-11-30
CH708853A1 (en) 2015-05-15
WO2015062839A2 (en) 2015-05-07

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