CH673371GA3 - - Google Patents

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Publication number
CH673371GA3
CH673371GA3 CH377188A CH377188A CH673371GA3 CH 673371G A3 CH673371G A3 CH 673371GA3 CH 377188 A CH377188 A CH 377188A CH 377188 A CH377188 A CH 377188A CH 673371G A3 CH673371G A3 CH 673371GA3
Authority
CH
Switzerland
Prior art keywords
date
crown
watch
wheel
indicator
Prior art date
Application number
CH377188A
Other languages
French (fr)
Other versions
CH673371B5 (en
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
Priority to CH3771/88A priority Critical patent/CH673371B5/fr
Priority to DE8989118479T priority patent/DE68901844T2/en
Priority to EP89118479A priority patent/EP0363821B1/en
Priority to US07/417,892 priority patent/US4974242A/en
Priority to JP1270565A priority patent/JP2852769B2/en
Publication of CH673371GA3 publication Critical patent/CH673371GA3/fr
Publication of CH673371B5 publication Critical patent/CH673371B5/fr
Priority to HK191796A priority patent/HK191796A/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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • Electromechanical Clocks (AREA)
  • Electric Clocks (AREA)

Abstract

A calendar watch includes a central date indicator (4). The indicator is united with a crown wheel (9) comprising teeth (11) forming a circular crown (12) arranged to be perpendicular to a face (13) of said wheel. The teeth (12) are driven by a finger (14) rotating in a plane intersecting said crown in its height. The finger is united with a date driving wheel (15). The invention permits easy transformation of a watch having its date display in a dial aperture to a watch having a date indicator rotating about the center of the movement.
CH3771/88A 1988-10-10 1988-10-10 CH673371B5 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
CH3771/88A CH673371B5 (en) 1988-10-10 1988-10-10
DE8989118479T DE68901844T2 (en) 1988-10-10 1989-10-05 CALENDAR CLOCK WITH A CENTRAL DATE DISPLAY.
EP89118479A EP0363821B1 (en) 1988-10-10 1989-10-05 Calendar watch with a central date display
US07/417,892 US4974242A (en) 1988-10-10 1989-10-06 Calendar watch having a centrally pivoted date indicator
JP1270565A JP2852769B2 (en) 1988-10-10 1989-10-11 Calendar clock
HK191796A HK191796A (en) 1988-10-10 1996-10-17 Calendar watch with a central date display

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH3771/88A CH673371B5 (en) 1988-10-10 1988-10-10

Publications (2)

Publication Number Publication Date
CH673371GA3 true CH673371GA3 (en) 1990-03-15
CH673371B5 CH673371B5 (en) 1990-09-14

Family

ID=4263137

Family Applications (1)

Application Number Title Priority Date Filing Date
CH3771/88A CH673371B5 (en) 1988-10-10 1988-10-10

Country Status (6)

Country Link
US (1) US4974242A (en)
EP (1) EP0363821B1 (en)
JP (1) JP2852769B2 (en)
CH (1) CH673371B5 (en)
DE (1) DE68901844T2 (en)
HK (1) HK191796A (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0312186U (en) * 1989-06-22 1991-02-07
CH681128B5 (en) * 1990-10-02 1993-07-30 Ebauchesfabrik Eta Ag
CH686106B5 (en) * 1993-03-23 1996-07-15 Ebauchesfabrik Eta Ag Chronograph watch with date indicator.
CH684815B5 (en) * 1993-07-15 1995-07-14 Longines Montres Comp D Mechanism annual calendar timepiece.
SG96702A1 (en) * 2001-11-13 2003-06-16 Glashuetter Uhrenbetrieb Gmbh Device for winding and setting the time of a timepiece such as a date-watch including a date disc
US8842499B2 (en) * 2011-11-18 2014-09-23 DS Zodiac, Inc. Devices for quantifying the passage of time
US20130128705A1 (en) * 2011-11-18 2013-05-23 John David Jones Devices for quantifying the passage of time
US9740172B2 (en) 2015-01-30 2017-08-22 Seiko Epson Corporation Timepiece
CH715809A1 (en) * 2019-02-01 2020-08-14 Mft D'horlogerie Audemars Piguet Sa Timepiece comprising a variable pitch display.

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH315A (en) * 1889-01-07 1889-03-08 Arnold Korff Device for automatic, electrical disengagement, respectively. Notification of thread breaks on warping machines, resp. Hand shear frame
GB168382A (en) * 1920-05-27 1921-08-29 James Johnson Improvements in calendar clocks
FR1031926A (en) * 1950-02-16 1953-06-29 Rolex Montres Calendar timepiece
EP0165455A1 (en) * 1984-05-18 1985-12-27 Omega SA Calendar time piece

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH31566A (en) * 1904-06-11 1905-04-15 Fritz Blumer Device to facilitate the detection of broken chain threads for looms with chain guard sinkers
CH35166A (en) * 1905-12-16 1906-07-15 Emil Mueller Magazine holder with billboard
JPS484926Y1 (en) * 1969-07-23 1973-02-07
US3628322A (en) * 1970-04-30 1971-12-21 Samuel E Mcduffee Biblical timepiece
CH573137B5 (en) * 1973-06-05 1976-02-27 Ebauchesfabrik Eta Ag
US3859783A (en) * 1974-04-08 1975-01-14 Timex Corp Day-date calendar mechanism
US4443112A (en) * 1982-09-29 1984-04-17 Timex Corporation Planetary gear for date mechanism in a wristwatch
JPS63115781U (en) * 1987-01-22 1988-07-26

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH315A (en) * 1889-01-07 1889-03-08 Arnold Korff Device for automatic, electrical disengagement, respectively. Notification of thread breaks on warping machines, resp. Hand shear frame
GB168382A (en) * 1920-05-27 1921-08-29 James Johnson Improvements in calendar clocks
FR1031926A (en) * 1950-02-16 1953-06-29 Rolex Montres Calendar timepiece
EP0165455A1 (en) * 1984-05-18 1985-12-27 Omega SA Calendar time piece

Also Published As

Publication number Publication date
JP2852769B2 (en) 1999-02-03
DE68901844D1 (en) 1992-07-23
HK191796A (en) 1996-10-25
JPH02156188A (en) 1990-06-15
CH673371B5 (en) 1990-09-14
DE68901844T2 (en) 1993-01-14
EP0363821B1 (en) 1992-06-17
US4974242A (en) 1990-11-27
EP0363821A1 (en) 1990-04-18

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Legal Events

Date Code Title Description
PL Patent ceased