EP1716462A1 - Chronograph watch with reverse display - Google Patents
Chronograph watch with reverse displayInfo
- Publication number
- EP1716462A1 EP1716462A1 EP05707944A EP05707944A EP1716462A1 EP 1716462 A1 EP1716462 A1 EP 1716462A1 EP 05707944 A EP05707944 A EP 05707944A EP 05707944 A EP05707944 A EP 05707944A EP 1716462 A1 EP1716462 A1 EP 1716462A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- retrograde
- chronograph
- mode
- watch according
- hand
- 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.)
- Withdrawn
Links
Classifications
-
- G—PHYSICS
- G04—HOROLOGY
- G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
- G04C3/00—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
-
- G—PHYSICS
- G04—HOROLOGY
- G04F—TIME-INTERVAL MEASURING
- G04F8/00—Apparatus for measuring unknown time intervals by electromechanical means
- G04F8/006—Apparatus for measuring unknown time intervals by electromechanical means running only during the time interval to be measured, e.g. stop-watch
-
- G—PHYSICS
- G04—HOROLOGY
- G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
- G04C3/00—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
- G04C3/14—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means incorporating a stepping motor
- G04C3/146—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means incorporating a stepping motor incorporating two or more stepping motors or rotors
-
- G—PHYSICS
- G04—HOROLOGY
- G04F—TIME-INTERVAL MEASURING
- G04F8/00—Apparatus for measuring unknown time intervals by electromechanical means
- G04F8/08—Means used apart from the time-piece for starting or stopping same
-
- G—PHYSICS
- G04—HOROLOGY
- G04G—ELECTRONIC TIME-PIECES
- G04G9/00—Visual time or date indication means
Definitions
- the present invention relates to a chronograph watch and a movement for a chronograph watch.
- the present invention relates in particular to a chronograph watch characterized by a new principle for displaying the counted duration.
- Chronograph watches can operate in at least two different modes.
- An operating mode allows you to display the current time while the other mode allows you to measure and indicate the precise duration of a phenomenon.
- Some electronic quartz chronographs allow counting times with a resolution of a tenth or even a hundredth of a second.
- the space available on the dial to display the chronograph indications is limited. For this reason, the display of the chronograph indications, in particular the display of tenths and hundredths, results from a compromise that is rarely satisfactory.
- the three hands in the center respectively indicate the current hour, minute and second while the hands below the dial are not used
- chronograph mode the hours, minutes and seconds of the counted time are generally indicated by the small hands below the dial, while tenths of a second can be indicated by the large central second hand.
- Other allocations of the hands in chronograph mode are also known. Reading the time counted by this type of chronograph is slow and not very intuitive. On the one hand, significant variations in duration are indicated only by minimal displacements of a small off-center needle.
- the indications of hours, minutes and seconds are displayed by a first set of hands in time display mode and by a different set of hands in chronograph mode; The user must therefore first understand which hand is assigned to which indication in each mode.
- the circulating sub-dials are of a small diameter which does not allow the placement of very legible indexes. It is counter-intuitive to use small off-center hands to display large durations, and to use the large hands in the center for fractions of this duration. Finally, the hands in the center must be driven in chronograph mode at much higher angular speeds than those used when displaying the time; flexible drive motors are therefore required to drive these needles, while the current consumption caused by this rapid movement of large needles is significant.
- Retrograde display we mean in this text a display by means of a needle which can return to the initial position only by means of an angular displacement in the opposite direction rotation used during measurement. Retrograde displays have a graduation along an open curve, for example along a circle segment, which allows the use of larger indexes. However, in this case also, hour or minute indications are carried by a central hand in time display mode and by a different retrograde hand in chronograph mode. The interpretation of the data displayed is therefore complex.
- US5166912 describes a chronograph watch comprising a retrograde second tenths second hand in the center.
- the needle points to a closed 360 ° graduation.
- the center layout is less than optimal; the tenths of a second hand risks being hidden by the hour or minute hands Furthermore, the multiplication of hands around the same axis makes reading not very intuitive; the user should know which hand indicates which unit. This solution is therefore most suitable for displaying tenths of a second of the counter.
- EP1024416 describes a mechanical chronograph watch making it possible to display fractions of a second by means of a retrograde hand on a small scale open at 12 o'clock
- the watch described indicates only the fifths of a second.
- EP1211579 relates to a movement comprising small non-retrograde hands allowing, in one mode, to display tenths of the chrono.
- EP1085384 describes another movement comprising small non-retrograde hands also making it possible to display tenths of the chrono.
- EP130150 describes an electronic chronograph watch making it possible to display hundredths of a second by means of a non-retrograde hand in the center.
- CH61025 describes a chronograph watch comprising a retrograde minute hand. This watch does not display fractions of a second.
- WO02 / 093273 relates to a chronograph watch comprising a retrograde seconds display and a window for displaying the hours and minutes in digital form. This watch also does not allow fractions of a second to be displayed.
- US5959941 describes an electronic chronograph watch, comprising a retrograde chrono second hand. This watch also does not display fractional seconds.
- An object of the present invention is therefore to propose a chronograph watch characterized by a new principle for displaying the counted duration.
- An object of the present invention is in particular to improve the readability of the indications of the chronograph, in particular tenths or even hundredths of a second, thus allowing the user to read and access the information sought more quickly.
- Another aim is to increase the resolution of the displayed durations, without affecting readability.
- Another object of the present invention is to limit the current consumption caused by the movement of the hands in chronograph mode.
- Another aim is to propose an alternative, and preferably more intuitive, solution to the problem of indicating rediscounted by a chronograph.
- a watch comprising the characteristics of the main claim, in particular a chronograph watch comprising a first retrograde hand (23) to indicate the tenths of a second of the chronograph and a second retrograde hand (24) to indicate the hundredths of a second of the chronograph.
- This solution has the advantage of using at least one particular additional hand to indicate the fraction of a second of the chronograph. It is thus possible to keep the hands in the center to display for example the hours, minutes and seconds counted by the chronograph. The display is thus more intuitive.
- fractional seconds are indicated by retrograde hands which can be off-center and of small dimensions, and which can move slightly at the end of a measurement only.
- the power consumption caused by the display of fractions of a second is thus minimized.
- FIG. 1 illustrates by way of example a chronograph watch comprising a retrograde display according to the invention.
- Figure 2 is a state diagram which illustrates lestrana 'tions between three modesde possible operation of the chronograph watch of the invention.
- FIG. 3 schematically illustrates the axial positions of the push-button crown of the chronograph watch of the invention.
- 4 schematically illustrates the two poa 'axial tions of a first pushbutton of the chronograph watch of the invention.
- FIG. 5 schematically illustrates the two axial positions of a second push button of the chronograph watch of the invention.
- FIG. 6 is a flow diagram which illustrates the operation in chronograph mode of the watch of the invention.
- FIG. 1 illustrates by way of example a chronograph watch 1 according to an embodiment of the invention.
- the illustrated watch comprises a strap 12 and a box 10 comprising an electronic movement not illustrated for driving hands 20 to 24 above a dial 11.
- a push-button crown C and two push-buttons A, B on one side of the box allow order the chronograph, set the watch, and order additional functions
- Hands 20 to 24 include: » A conventional hour hand 20 in the center, driven to circle the dial in 12 hours in time display mode and chronograph mode.
- a large conventional seconds hand21 in the center driven to circle the dial in 60 seconds in time display mode and chronograph mode.
- a retrograde hand 23 rotating around an axis 230 at about 7:30 am, and the end of which points to a double scale 113 along a segment of a circle open.
- the retrograde hand 23 indicates the tens of the date from 0 to 3; its 5th position is therefore incremented by one after the 9th, 19th and 29th of each month. After the 28, 29, 30 or 31, depending on the number of days of the month, the needle returns to the initial poa ' tion 0.
- the retrograde hand 23 indicates the tenths of a second from 0 to 9 of the time counted by the chronograph.
- the end of the needle points towards the scale corresponding to the end of the measurement, for example at the end of the counting or in time display
- the graduation 113 is preferably regular along a circle segment between 90 and 180 °, for example a circle segment of 162 °.
- the needle 23 is incremented by turning clockwise di and reset in the opposite direction.
- a retrograde needle 24 rotating around an axis 240 at about 5.30 am, the end of which points to a
- the retrograde hand 24 indicates the units of the date from 0 to 9; its position is therefore incremented by one at midnight each day. After 28, 29, 30 or 31, depending on the number of days
- the retrograde hand 24 indicates the hundredths of a second from 0 to 9 of the time counted by the chronograph.
- the end of the needle points towards the graduation corresponding to the end of the measurement, for example at the end of the count or in split time display, then brought back to its initial position 0 following the reset of the counter.
- the graduation 114 is preferably regular along a circle segment between 90 and 180 °, for example a circle segment of 162 °.
- the graduation 114 is preferably arranged symmetrically to the graduation 113 with respect to an axis of symmetry 6 hours to 12 hours
- the hand 24 is therefore incremented by turning clockwise d2 and reset counterclockwise.
- the watch illustrated in FIG. 1 therefore indicates that it is 10 hours, 10 minutes, 0 seconds and that the date is 25 if the world is in time display mode.
- the watch is in stopped chronograph mode, it indicates a duration of 10 hours, 10 minutes, 0 seconds, 25 hundredths
- the date is indicated more conventionally in one or more counters in time display mode as well as in chronograph mode.
- Hands 23 and 24 can then be used to display other indications in time display mode, for example a power reserve, an indication measured by an additional physical sensor, etc.
- the five hands 20 to 24 are preferably driven by five independent stepping motors.
- the three needles at the center 20 to 22 are driven by a single stepping motor which directly drives the seconds hand 21 and, through cogs, the 22 minute hand and the 20 hour hand.
- the three needles 20 to 22, arranged in the center concentrically are driven at the same angular speed in time display mode and in chronograph mode. It is thus possible to optimize each motor driving these needles for a single speed, and therefore to reduce the cost of these motors, their size and their consumption compared to motors intended to operate at different angular speeds. It is also not imperative to '' use bidirectional motors for these functions In this case, the return at 12 o'clock of the central three hands will always be carried out clockwise.
- the retrograde hands 23 and 24 are on the other hand driven by bidirectional stepping motors, that is to say motors capable of turning in the direct direction d1 respectively d2 or in the retrograde direction according to the control pulses supplied
- the direct direction d1 of the motor which drives the needle 23 is counterclockwise while the direct direction d2 of the motor of the needle 24 is clockwise.
- the retrograde direction is the opposite direction to the direct direction for each of the two motors
- the two motors can be optimized to reduce consumption in the usual direct direction and to increase the speed in the retrograde direction, where a rapid return to the initial position is advantageous.
- the hands 23 and 24 return to their respective initial positions by applying to the corresponding motor a number of retrograde pulses equal to the number of direct pulses used to move them to their current angular position, which minimizes consumption.
- the reset of the retrograde hands 23 respectively 24 is carried out by sending a number of retrograde pulses greater than the minimum required, the initial position then being determined by the mechanical stops 231 respectively 241. It will be noted that the display of the meter durations is particularly readable and intuitive, since the hours, minutes and strings of the chronograph are indicated by the hands assigned to these same tasks in time display mode.
- retrograde displays may in reality be placed in some places on the dial, for example at 9 o'clock and at 3 o'clock, or even on the two upper quarters of the dial, that is to say at 10:30 and 1:30 , or even at noon or at 6 o'clock or at the center for example.
- retrograde displays with radii and / or ring or curve segments of variable angular width can be used. It is also possible within the framework of the invention to use several concentric retrograde needles, and / or needles retrograde to the center.
- FIG. 2 is a state diagram which illustrates the transitions between three possible modes of operation of the chronograph watch 1 of the invention, comprising three control members including two push buttons A and B and a push crown C.
- the watch is located in state 100 to display the current time with the hands 20, 21, 22 and the two dates of the date with the retrograde hands 23 and 24.
- the watch switches to chronograph mode.
- the chronograph is firstly reset (step 102) to put the two retrograde hands 23 and 24 in the initial position at 0 or in another particular position.
- the hands at center 20 to 22 go at 12 o'clock.
- the state of the electronic counters (not shown) which mesurée count the measured time is reset to zero.
- the watch 1 After this initialization phase 102, the watch 1 then switches to chronograph mode during step 103.
- the chronograph mode is illustrated in detail in FIG. 6 and will be discussed below.
- Watch 1 then returns to display mode of the hour 100 when a new press on the onne urone C is detected during step 104. Other events can be used to perform the tranation 104.
- the watch goes from the state time display 100 in the time setting state when the lauronne C is pulled outwards in position C + 1.
- the time displayed by the hands in center 20-22 can then be corrected by turning the urn in one direction, while the date displayed by the retrograde hands 23, 24 can be corrected by turning the urn C in the other direction.
- steps of step 106 ⁇ steps of step 106.
- the watch goes from the time display state 100 to the state of synchronization of the hands 109 when the two pushers A and B are pressed simultaneously for at least a predetermined duration, for example during at least two se Cendes
- This mode allows the hour, minute and hand hands to be reset to 12 o'clock In particular, it ensures that the hour hand points exactly to 12 o'clock when the minute hand is at noon, and that the The minute hand also points at 12 o'clock when the seconds hand is at noon.
- the needles 20, 21 and 22 can be moved independently of one another by means of push buttons A and B, for example.
- the watch then returns to the time display mode, for example by briefly pressing the C.uron C.
- Figure 3 schematically illustrates the three axial positions C ⁇ -
- push button A is used to start and stop the counter in chronograph mode.
- the push button B notably makes it possible to temporarily interrupt the counter to display an intermediate time in chronograph mode.
- FIG. 6 is a flow diagram which illustrates the operation in chronograph mode 103 of the watch of the invention.
- the user arrives in chronograph mode from the time display mode 100 by briefly pressing the push-button C, as described above in relation to FIG. 2.
- the 5 hands are in their initial position and point toward zero, and the chronograph waits at the end of step 200 for the user to start a duration counting by pressing push-button A, or to return to the display of the current time by pressing the ⁇ push-button C (transition not shown).
- step 201 the chronograph is started and one or plua 'eurs ⁇ mpteursuploadssdans movement are incremented each ⁇ ntange of se ⁇ nde (step 202).
- the hands of the seconds 21, the minutes 22 and the hours 20 are moved during the measurement in order to indicate the state of the counter; the retrograde hands 23 and 24 remain stationary, however
- the incrementation of the counter is interrupted.
- the needle at the center 20, 21, 22 are immediately immobilized, while the retro-styled hands 23 and 24 move to point towards the positions ⁇ corresponding to the tenth respectively to the tenth of a second reached by the meter (step 210).
- the user can then read the counted time (tempstotal) very comfortably using the 5 hands 20-24.
- the center needles 20, 21, 22 are immediately immobilized while the retrograde hands 23 and 24 move to point towards the positions ⁇ corresponding to the tenth respectively to the tenth of a second reached by the counter at the time of pressure (step 205).
- the incrementation of the electronic counter is continued during the next step.
- step 206 If, from this intermediate time display position 205, the user presses the push button A (step 206), the chronograph is stopped. The incrementation of the counter is then interrupted during the step 208, and the watch rejoins the state 210 of display of tempstotal.
- the chronograph then returns to state 202 to indicate the duration counted and continue the counting duration.
- step 211 presses the chronograph to return to step 201 to start the counting of a new non-consecutive duration; the et meter and the hands then indicate the total duration ⁇ counted over tous of all the previous measurement cycles.
- Pressing push button B (step 212), on the other hand, enables the chronograph to be reset to zero and all the hands to be returned to their initial position, without leaving the chronograph mode, namely returning to step 200.
- the watch preferably has a quartz movement of 30 millimeters in diameter.
- the indications displayed by the retrograde hands in time display mode, or in other additional modes, can preferably be personalized after the manufacture of the movement, for example by programming, to ensure the greatest versatility.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Unknown Time Intervals (AREA)
- Electromechanical Clocks (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH00239/04A CH704948B1 (en) | 2004-02-17 | 2004-02-17 | Watch electromechanical chronograph retrograde. |
PCT/EP2005/050489 WO2005091086A1 (en) | 2004-02-17 | 2005-02-04 | Chronograph watch with reverse display |
Publications (1)
Publication Number | Publication Date |
---|---|
EP1716462A1 true EP1716462A1 (en) | 2006-11-02 |
Family
ID=34960501
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05707944A Withdrawn EP1716462A1 (en) | 2004-02-17 | 2005-02-04 | Chronograph watch with reverse display |
Country Status (9)
Country | Link |
---|---|
US (1) | US7596057B2 (en) |
EP (1) | EP1716462A1 (en) |
JP (1) | JP2007522478A (en) |
KR (1) | KR100932631B1 (en) |
CN (1) | CN1914566A (en) |
CH (1) | CH704948B1 (en) |
RU (1) | RU2361257C2 (en) |
TW (1) | TW200537263A (en) |
WO (1) | WO2005091086A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU223748U1 (en) * | 2023-10-09 | 2024-03-01 | Егор Артурович Федоров | Clock mechanism with counter-clockwise and counter-clockwise seconds movement |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4970816B2 (en) * | 2006-03-23 | 2012-07-11 | シチズンホールディングス株式会社 | Analog electronic clock with time measurement function |
JP4329832B2 (en) * | 2007-03-16 | 2009-09-09 | ヤマハ株式会社 | Wearable electronic device |
NL1037424C2 (en) * | 2009-10-29 | 2011-05-02 | Atte Nicolaas Bakker | CHRONOGRAPH. |
JP5321654B2 (en) * | 2011-08-01 | 2013-10-23 | カシオ計算機株式会社 | Pointer-type electronic watch |
JP6338920B2 (en) * | 2014-04-23 | 2018-06-06 | セイコーエプソン株式会社 | Analog electronic clock |
JP6420965B2 (en) * | 2014-04-23 | 2018-11-07 | セイコーエプソン株式会社 | Time measuring device |
CN103941573A (en) * | 2014-05-20 | 2014-07-23 | 余永健 | Clock |
CH711317A2 (en) | 2015-07-01 | 2017-01-13 | Richemont Int Sa | Chronograph mechanism with retrograde rattrapante. |
JP6661930B2 (en) * | 2015-09-17 | 2020-03-11 | カシオ計算機株式会社 | Electronic clock, control method, and program |
JP6508093B2 (en) * | 2016-03-10 | 2019-05-08 | カシオ計算機株式会社 | Pointer device, electronic watch, method of driving pointer of electronic watch, and pointer driving program of electronic watch |
TWI746663B (en) * | 2016-10-19 | 2021-11-21 | 日商精工電子有限公司 | Timepiece and control method of timepiece |
EP3330809B1 (en) | 2016-12-01 | 2019-10-16 | Omega SA | Watch comprising a date display device |
CN108459489B (en) * | 2017-02-17 | 2021-06-15 | 精工电子有限公司 | Mechanism module, movement, and timepiece |
JP7076194B2 (en) * | 2017-02-17 | 2022-05-27 | セイコーインスツル株式会社 | Mechanism modules, movements and watches |
US10048652B1 (en) * | 2017-05-12 | 2018-08-14 | Tai Wai Luk | Analog timepiece with steps illustrating arrangement |
JP2019148534A (en) * | 2018-02-28 | 2019-09-05 | セイコーエプソン株式会社 | clock |
CN112639629B (en) | 2018-08-28 | 2022-11-29 | 百达翡丽日内瓦公司 | Display device for a timepiece and timepiece comprising such a device |
WO2021162067A1 (en) * | 2020-02-13 | 2021-08-19 | 富雄 柿見 | Calendar |
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CH61025A (en) * | 1912-09-24 | 1913-09-01 | Adrien Aubert | Chronograph-counter watch |
JPS54136875A (en) * | 1978-04-17 | 1979-10-24 | Seiko Epson Corp | Analog electronic watch |
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JP2542939B2 (en) * | 1990-01-16 | 1996-10-09 | セイコー電子工業株式会社 | Analog electronic clock with stopwatch |
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JP3123097B2 (en) * | 1991-03-29 | 2001-01-09 | カシオ計算機株式会社 | Stopwatch device |
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KR940008706A (en) * | 1992-10-05 | 1994-05-16 | 김정의 | Cation generating bedding |
CH686106B5 (en) * | 1993-03-23 | 1996-07-15 | Ebauchesfabrik Eta Ag | Chronograph watch with date indicator. |
JP3602205B2 (en) * | 1995-06-30 | 2004-12-15 | シチズン時計株式会社 | Electronic clock |
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US6896403B1 (en) * | 2002-12-30 | 2005-05-24 | Timex Group B.V. | Mode selecting assembly for a timepiece |
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JP4475630B2 (en) * | 2004-01-27 | 2010-06-09 | セイコーインスツル株式会社 | Timepiece with mainspring winding state display including a deformed segment gear |
-
2004
- 2004-02-17 CH CH00239/04A patent/CH704948B1/en not_active IP Right Cessation
-
2005
- 2005-02-04 KR KR1020067019041A patent/KR100932631B1/en not_active IP Right Cessation
- 2005-02-04 RU RU2006133327/28A patent/RU2361257C2/en not_active IP Right Cessation
- 2005-02-04 JP JP2006553580A patent/JP2007522478A/en not_active Abandoned
- 2005-02-04 CN CNA2005800035866A patent/CN1914566A/en active Pending
- 2005-02-04 EP EP05707944A patent/EP1716462A1/en not_active Withdrawn
- 2005-02-04 WO PCT/EP2005/050489 patent/WO2005091086A1/en active Application Filing
- 2005-02-16 TW TW094104397A patent/TW200537263A/en unknown
-
2006
- 2006-08-17 US US11/505,690 patent/US7596057B2/en not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
See references of WO2005091086A1 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU223748U1 (en) * | 2023-10-09 | 2024-03-01 | Егор Артурович Федоров | Clock mechanism with counter-clockwise and counter-clockwise seconds movement |
Also Published As
Publication number | Publication date |
---|---|
CH704948B1 (en) | 2012-11-30 |
RU2006133327A (en) | 2008-03-27 |
KR100932631B1 (en) | 2009-12-21 |
US20060280037A1 (en) | 2006-12-14 |
JP2007522478A (en) | 2007-08-09 |
CN1914566A (en) | 2007-02-14 |
TW200537263A (en) | 2005-11-16 |
WO2005091086A1 (en) | 2005-09-29 |
RU2361257C2 (en) | 2009-07-10 |
KR20060131895A (en) | 2006-12-20 |
US7596057B2 (en) | 2009-09-29 |
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