EP0670532A1 - Uhr mit Wettervorhersage - Google Patents

Uhr mit Wettervorhersage Download PDF

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Publication number
EP0670532A1
EP0670532A1 EP95102314A EP95102314A EP0670532A1 EP 0670532 A1 EP0670532 A1 EP 0670532A1 EP 95102314 A EP95102314 A EP 95102314A EP 95102314 A EP95102314 A EP 95102314A EP 0670532 A1 EP0670532 A1 EP 0670532A1
Authority
EP
European Patent Office
Prior art keywords
sensor
pressure
variation
forecast
watch
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.)
Granted
Application number
EP95102314A
Other languages
English (en)
French (fr)
Other versions
EP0670532B1 (de
Inventor
Jean-Jacques Born
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Asulab AG
Original Assignee
Asulab AG
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 Asulab AG filed Critical Asulab AG
Publication of EP0670532A1 publication Critical patent/EP0670532A1/de
Application granted granted Critical
Publication of EP0670532B1 publication Critical patent/EP0670532B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • GPHYSICS
    • G04HOROLOGY
    • G04BMECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B45/00Time pieces of which the indicating means or cases provoke special effects, e.g. aesthetic effects
    • GPHYSICS
    • G04HOROLOGY
    • G04GELECTRONIC TIME-PIECES
    • G04G21/00Input or output devices integrated in time-pieces
    • G04G21/02Detectors of external physical values, e.g. temperature
    • GPHYSICS
    • G04HOROLOGY
    • G04BMECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B47/00Time-pieces combined with other articles which do not interfere with the running or the time-keeping of the time-piece
    • G04B47/06Time-pieces combined with other articles which do not interfere with the running or the time-keeping of the time-piece with attached measuring instruments, e.g. pedometer, barometer, thermometer or compass
    • G04B47/066Time-pieces combined with other articles which do not interfere with the running or the time-keeping of the time-piece with attached measuring instruments, e.g. pedometer, barometer, thermometer or compass with a pressure sensor
    • GPHYSICS
    • G04HOROLOGY
    • G04CELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C3/00Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
    • G04C3/14Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means incorporating a stepping motor
    • G04C3/146Electromechanical 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

Definitions

  • the present invention relates to a timepiece, and in particular a watch, comprising a pressure sensor and capable of indicating any variation in atmospheric pressure.
  • Document EP-A-0 345 929 describes a "multimode" watch comprising such a sensor.
  • This watch also comprises a first analog display indicating the time and a second digital liquid crystal display capable of indicating the measured atmospheric pressure.
  • this second display can indicate the pressure variation between two consecutive measurements.
  • this indication is made by a small arrow which indicates only if the pressure has increased (arrow directed upwards), if the pressure has decreased (arrow directed downwards) or if the pressure has not changed (both arrows together).
  • This arrangement gives no forecast of meteorological weather.
  • the reading and the aesthetics of such a watch indicating at the same time several pieces of information on several displays do not seem optimal.
  • American patent US-A-4 257 112 describes a timepiece, and inter alia a watch, which comprises a sensor reacting to atmospheric pressure and making it possible to give a barometric indication to the wearer.
  • An arrow system is also used here to display the barometric trend on a digital liquid crystal display device. This system can indicate five different trend conditions and is therefore more extensive than the above-mentioned European document indication system, but the indications are still not as clear as possible.
  • said watch does not give any indication relating to the forecast of the weather.
  • the object of the present invention is to remedy these drawbacks by proposing an analog timepiece which can indicate any variation in atmospheric pressure, this timepiece comprising at least two hands capable of providing time information, a timepiece movement for driving said hands. , and a pressure sensor for measuring the variation in atmospheric pressure, this part being characterized in that one of said hands can indicate said measured pressure variation, while another of these needles can simultaneously indicate a forecast of the weather meteorological according to said variation.
  • the weather forecast can be calibrated so that this indication conforms to the meteorological weather observed, that is to say so that the wearer of such a timepiece can correct the forecast indication if it does not seem to him to be correct.
  • FIG. 1 schematically represents a timepiece according to the invention.
  • Timepiece 1 which, in the example shown is a wristwatch, includes an analog time display formed by an hour hand 2 and a minute hand 3.
  • watch 1 can also include other hands, for example a second hand (not shown).
  • the capacity of this analog display is not limited to the supply of the current time, but may extend to other time information in which the date, day, month, year, etc. are included.
  • Watch 1 further comprises a clockwork movement 12 of conventional design ( Figures 5 and 6) connected to a crown 4 ( Figure 1), via an unreferenced rod. By pressing crown 4, the displayed time can be adjusted. This can be done in a conventional manner by pulling outward the crown 4 which then actuates the stem and by turning the stem-crown assembly.
  • the dial 5 of the watch 1 not only carries the various indications of the usual watches, such as for example the hours, minutes and / or seconds marks, and the like, but it also carries a display 6 for the indication of the variation of a pressure, here atmospheric pressure.
  • Watch 1 includes a bezel 7 which is mounted on the middle of the watch in a known manner, and on which various indications of meteorological time can be displayed. Said scope can be mounted in a fixed or mobile manner as will be explained below.
  • watch 1 comprises a pressure sensor, this being a quartz sensor referenced 13.
  • This patent describes a pressure measurement sensor using a pressure-sensitive element.
  • This sensitive element comprises a tuning fork made of piezoelectric material, for example quartz, which delivers pressure information in the form of a frequency.
  • Said tuning fork is provided with electrodes to vibrate its arms. Indeed, in the case where such a tuning fork is excited in bending, that is to say in the case where its arms vibrate, the variation of the natural frequency of the resonator is a function of the pressure. So the frequency of this resonator varies as a function of atmospheric pressure if the resonator is exposed to ambient air.
  • Watch 1 comprises, in a known manner, a watch glass or crystal 9 adjusted in a middle-bezel 10 of a case of watch 1 to protect the hands 2 and 3 and the dial 5.
  • the middle-bezel 10 therefore supports the glass 9 and its bezel, and a base 18, to protect the movement 12 of the watch.
  • the movement 12 is arranged on a casing circle 22 which is itself placed on an internal bottom 16.
  • the back of the watch according to the invention consists of a double back, that is to say in a first internal bottom 16 which is housed and maintained in the middle part-glasses 10 and in a second external pierced bottom 18 which is secured to the outside of this middle glasses. Between the first internal bottom 16 and the middle part-bezel 10 is a seal 14.
  • the second external bottom 18 is drilled, to let through, by several small passages 19, the ambient air being offered for measurement.
  • a housing 26 in which is placed the pressure sensor 13 and its housing 11 conforming to the sensor housing described in said patent EP-B-0 099 330.
  • the housing is held in place and protected by an epoxy resin 17.
  • the sensor 13 comprises means (not shown) for vibrating its arms and for collecting the natural frequency of oscillation of said tuning fork under the effect of the pressure of the ambient air.
  • This sensor 13 also comprises means, not shown, for converting the variations of said frequency into an indication of pressure, as has been explained above with reference to European patent EP-B-0 099 330. These conversion means can also convert said pressure variation to a forecast of the weather, as mentioned above.
  • Said conversion means are therefore electrically linked to the electronic control of said movement, for example by a contact tab 24 for correspondingly driving the hands of watch 1 and indicating the variation in atmospheric pressure as well as the forecast of meteorological weather as a function of this variation.
  • the internal bottom 16 is provided in its lower surface with an opening 15 formed under the pressure sensor 13 which allows the ambient air received from outside the box to enter, via the external bottom 18.
  • the sensor is sensitive to the molecular mass of the gas to be measured, here this gas therefore being the ambient air.
  • a variable volume chamber is created by the housing 11 of the pressure sensor 13, the opening 15 in the internal bottom 16 and the membrane seal 20.
  • This volume encloses a gas whose pressure is identical, due to the mobility of the membrane seal 20, at the external ambient pressure.
  • Said housing 16b is placed lower than the lower surface of the first bottom 16 and is formed by a circular collar 23 which extends towards the outer bottom 18. On the collar 23 is fixed a membrane support 21.
  • FIG. 6 represents a second embodiment of the watch according to the invention.
  • this watch is of a construction similar to that of the first embodiment, except as regards the pressure sensor and the first internal case 16 which contains it.
  • the pressure sensor is either a capacitive sensor or a piezoresistive sensor.
  • the operation of such sensors being known to those skilled in the art, it will not be described in detail below.
  • the capacitive sensor referenced in FIG. 6 by the reference 13a is formed by two electrodes delimiting a dielectric volume.
  • the first electrode is formed of a flexible plate allowing the external pressure to vary the dielectric volume, and therefore the capacity, and the second electrode is of a conventional construction.
  • the second electrode is of a conventional construction.
  • this type of sensor it is possible to be in direct contact with the ambient air. It is thus possible to produce the first internal bottom 16a thinner than the bottom 16 of the first embodiment, the membrane seal being able to be removed. It suffices here to attach the sensor to said first bottom 16a and to surround it with a material 31, for example a silicone gel, to ensure sealing.
  • the electrodes are each linked by connection wires 29 to the conversion means 30 to convert the received information (analog) to useful information (digital), these means being comparable to the conversion means of the quartz sensor.
  • These means 30 can consist of an integrated circuit which is preferably placed as close of the sensor as possible so that the connection wires remain very short. Thus, capacitive influences of the wires are avoided, which is important in the case where the information signal is very weak. To protect the connection wires and the conversion means 30 to ensure sealing, this arrangement can be surrounded by a material such as gel 31.
  • the conversion means 30 are then electrically linked to the movement 12, for example via connection wires linked to a pad 33 surrounded by a protective resin 32 (for example an epoxy resin) and a contact tab, similar to the first mode of embodiment described above, which is subject to movement 12 and rests on stud 33.
  • a protective resin 32 for example an epoxy resin
  • the operation of the watch is as follows.
  • a hand in this example the hour hand 2 indicates in collaboration with the display 6 the pressure variation measured by the pressure sensor 13, 13a.
  • the minute hand 3 indicates the forecast of meteorological time for the current day as a function of the variation of this measured pressure.
  • the hour hand 2 can inversely indicate the forecast of time as a function of the pressure variation which can be indicated by the minute hand 3; one of these indications which, according to yet another embodiment, can be displayed by the second hand (not shown in FIGS. 1 and 2), or even by an additional hand.
  • the display 6 indicating the pressure variation comprises five different levels of barometric pressure trend, that is to say a first for a large drop in pressure (-), a second for a small drop (-), a third for a stable pressure (o), a fourth for a low increase (+) and a fifth for a strong increase (++).
  • a function of the variation in atmospheric pressure measured by the pressure sensor 13, 13a which is actuated by the movement 12 to which the pressure variation information has been supplied and which forms the indicator of this variation (here the needle hours) will be positioned next to the corresponding mark on display 6 of the dial.
  • the minute hand 3 forming the weather time indicator will receive forecast information from the conversion means 30 and will indicate, in collaboration with the forecast display 8, the weather forecast which best matches to the pressure variation measured.
  • display 8 of the weather forecast includes four different forecasts, represented symbolically to indicate rain, overcast, some cloudy and the sun. Since the hands can provide an analog range display, they can also indicate intermediate conditions; it is therefore not provided only a few fixed conditions, but a whole range between these conditions.
  • the display 8 with several indications of a forecast of the weather; in general we can say that a strong increase in pressure (indicated by "++” on the dial) corresponds to an improvement in time, a large decrease (indicated by "-”) corresponds to a deterioration in time, and that 'a stable pressure (indicated by "o") corresponds to a situation where the weather does not change.
  • the weather forecast display can be on the dial instead of on the bezel 7.
  • the wearer of the watch 1 moves in such a way that its movement influences the measurement - for example if between two consecutive measurements the place where the height at which the wearer is found has greatly changed - the forecast time will no longer be correct.
  • the wearer can correct this forecast so that it corresponds to the meteorological conditions observed on the day of the measurement.
  • This is made possible in a first example (see FIG. 3a) by the fact that the bezel 7 is mounted on the middle of the watch in a rotating manner.
  • the wearer can correct the forecast indication by turning the bezel 7 comprising the display 8 of the meteorological precision until the hand indicates the correct estimated forecast.
  • FIG. 3b shows a second embodiment allowing such a correction.
  • the bezel 7 is fixedly mounted on the middle part and the display 8 of the weather forecast is on the dial 5.
  • the wearer can move the indicator, namely the hand 3 itself, the display 8 being fixed, on the position which he considers to be correct.
  • this movement can be done by turning the crown 4 when the watch indicates the pressure variation, in the same way as the movement of the hand for setting the time.
  • the wearer can calibrate the watch 1 as well as his pressure sensor at any time and he can obtain total independence of the indications with respect to the place where one is.
  • the display is, as already mentioned, analog and is driven by, for example, a bidirectional stepper motor engaged with the hands. It can also include two motors which drive, in the embodiment shown, the minute hand 3 and the hour hand 2 respectively. In the case of a single motor, it is of course necessary to have a system clutch, to break the kinematic link between the two needles at least during the measurement display phase. Such an arrangement is known to those skilled in the art and will not be explained in detail here.
  • the pressure variation measured will therefore cause the actuation of a number of steps of the motor causing the needle which indicates this variation.
  • the weather forecast is a function of this pressure variation expressed by the formula K. ⁇ p.
  • the other hand which indicates the weather forecast here hand 3 will be driven by this motor with a number of steps N corresponding to K. ⁇ p, K being a constant determined experimentally, and ⁇ p being the measured variation.
  • Figure 4 is an example of a barometric reading taken over a period of two weeks.
  • the atmospheric pressure fluctuations which influence the weather are those which have a period more or less equal to 24h.
  • This parameter is used in the watch according to the invention for the measurement of the barometric trend: this is determined by a comparison, made over a time interval wide enough to allow a correct measurement, here this interval is 24 hours.
  • ⁇ P j, j-1 which is the difference in atmospheric pressure between 2 successive measurements, respectively on day “d” and on day “j-1”. It is therefore possible, for example, to carry out an automatic measurement cycle, once every 24 hours. This measurement should preferably be carried out overnight, for example at 2:00 am, to have more stable measurement conditions.
  • the wearer himself can perform a measurement, for example by pushing on the crown 4.
  • a measurement with an interval of less than 24 hours, for example 6 hours is also possible. This is to give more direct information to the user.
  • the minimum time interval between two measurements should be fixed (for example 3 to 4 hours), otherwise there is a risk of interference between the measurements and therefore an unreliable result.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)
  • Electromechanical Clocks (AREA)
EP95102314A 1994-03-04 1995-02-20 Uhr mit Wettervorhersage Expired - Lifetime EP0670532B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH64394 1994-03-04
CH64394A CH685659B5 (fr) 1994-03-04 1994-03-04 Montre indiquant une prevision meteorologique.
CH643/94 1994-03-04

Publications (2)

Publication Number Publication Date
EP0670532A1 true EP0670532A1 (de) 1995-09-06
EP0670532B1 EP0670532B1 (de) 1999-08-25

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP95102314A Expired - Lifetime EP0670532B1 (de) 1994-03-04 1995-02-20 Uhr mit Wettervorhersage

Country Status (8)

Country Link
US (1) US5500835A (de)
EP (1) EP0670532B1 (de)
JP (1) JPH07260960A (de)
KR (1) KR100347996B1 (de)
CN (1) CN1089913C (de)
CH (1) CH685659B5 (de)
DE (1) DE69511600T2 (de)
TW (1) TW266271B (de)

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EP1136788A1 (de) * 2000-03-22 2001-09-26 Asulab S.A. Tragbares GPS-Gerät, welches einen barometrischen Höhemesser verwendet
EP1930795A1 (de) * 2006-12-08 2008-06-11 HKW Elektronik GmbH Funkuhr mit Wetterdatenanzeige
EP2555061A1 (de) * 2011-08-01 2013-02-06 Casio Computer Co., Ltd. Elektronische Analoguhr
WO2014131562A1 (fr) * 2013-02-27 2014-09-04 Move'n See Dispositif de mesure de pression statique, système de poursuite comprenant un tel dispositif et procédé de poursuite dudit système
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WO2000039644A1 (fr) * 1998-12-23 2000-07-06 Asulab S.A. Montre fournissant une indication barometrique ou altimetrique, et son procede de fabrication
US6754137B1 (en) 1998-12-23 2004-06-22 Asulab S.A. Watch providing barometer or altimeter reading, and method for making same
EP1136788A1 (de) * 2000-03-22 2001-09-26 Asulab S.A. Tragbares GPS-Gerät, welches einen barometrischen Höhemesser verwendet
WO2001071281A1 (fr) * 2000-03-22 2001-09-27 Asulab S.A. Recepteur gps portable utilisant un altimetre barometrique
EP1930795A1 (de) * 2006-12-08 2008-06-11 HKW Elektronik GmbH Funkuhr mit Wetterdatenanzeige
EP2555061A1 (de) * 2011-08-01 2013-02-06 Casio Computer Co., Ltd. Elektronische Analoguhr
US8848491B2 (en) 2011-08-01 2014-09-30 Casio Computer Co., Ltd. Analog electronic timepiece
WO2014131562A1 (fr) * 2013-02-27 2014-09-04 Move'n See Dispositif de mesure de pression statique, système de poursuite comprenant un tel dispositif et procédé de poursuite dudit système
EP2796942A1 (de) * 2013-04-23 2014-10-29 ETA SA Manufacture Horlogère Suisse Befestigungsmethode eines Uhrwerks in einem Gehäuse
WO2014173611A1 (fr) 2013-04-23 2014-10-30 Eta Sa Manufacture Horlogère Suisse Dispositif et méthode de fixation d'un mouvement dans un boîtier
US9329577B2 (en) 2013-04-23 2016-05-03 Eta Sa Manufacture Horlogere Suisse Device and method for fixing a movement inside a case
EP2957965A1 (de) * 2014-06-20 2015-12-23 The Swatch Group Research and Development Ltd. Vorrichtung zum halbdichten Verschließen
WO2015193368A3 (fr) * 2014-06-20 2016-03-17 The Swatch Group Research And Development Ltd Dispositif de fermeture semi-etanche
US10338534B2 (en) 2014-06-20 2019-07-02 The Swatch Group Research And Development Ltd Semi-impermeable closure device
EP4083572A1 (de) * 2021-04-29 2022-11-02 Blancpain SA Dichtungsfuge für tiefenmesser
US12398805B2 (en) 2021-04-29 2025-08-26 Blancpain Sa Depth gauge seal

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CH685659B5 (fr) 1996-03-15
KR950033738A (ko) 1995-12-26
CH685659GA3 (fr) 1995-09-15
CN1089913C (zh) 2002-08-28
JPH07260960A (ja) 1995-10-13
CN1108770A (zh) 1995-09-20
US5500835A (en) 1996-03-19
KR100347996B1 (ko) 2002-11-30
HK1012446A1 (en) 1999-07-30
EP0670532B1 (de) 1999-08-25
TW266271B (de) 1995-12-21
DE69511600D1 (de) 1999-09-30
DE69511600T2 (de) 2000-03-16

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