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EP4390569A1 - Dewar-vorrichtung für eine uhr - Google Patents

Dewar-vorrichtung für eine uhr Download PDF

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Publication number
EP4390569A1
EP4390569A1 EP22216515.1A EP22216515A EP4390569A1 EP 4390569 A1 EP4390569 A1 EP 4390569A1 EP 22216515 A EP22216515 A EP 22216515A EP 4390569 A1 EP4390569 A1 EP 4390569A1
Authority
EP
European Patent Office
Prior art keywords
watch
glass
brightness
dewar
display device
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.)
Pending
Application number
EP22216515.1A
Other languages
English (en)
French (fr)
Inventor
Antoine UMMEL
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.)
Omega SA
Original Assignee
Omega 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 Omega SA filed Critical Omega SA
Priority to EP22216515.1A priority Critical patent/EP4390569A1/de
Priority to JP2023204827A priority patent/JP7674450B2/ja
Priority to US18/540,491 priority patent/US20240210888A1/en
Priority to KR1020230183642A priority patent/KR20240101407A/ko
Priority to CN202311786265.4A priority patent/CN118244611A/zh
Publication of EP4390569A1 publication Critical patent/EP4390569A1/de
Pending legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G17/00—Structural details; Housings
    • G04G17/08—Housings
    • 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
    • G04B43/00—Protecting clockworks by shields or other means against external influences, e.g. magnetic fields
    • G04B43/005—Protection against temperature influences
    • 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
    • G04B19/30—Illumination of dials or 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
    • G04B37/00—Cases
    • G04B37/0008—Cases for pocket watches and wrist watches
    • 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
    • G04B37/00—Cases
    • G04B37/02—Evacuated cases; Cases filled with gas or liquids; Cases containing substances for absorbing or binding moisture or dust
    • 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
    • G04B39/00—Watch crystals; Fastening or sealing of crystals; Clock glasses
    • 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
    • G04B47/00—Time-pieces combined with other articles which do not interfere with the running or the time-keeping of the time-piece
    • G04B47/06—Time-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
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G17/00—Structural details; Housings
    • G04G17/02—Component assemblies
    • G04G17/04—Mounting of electronic components
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G21/00—Input or output devices integrated in time-pieces
    • G04G21/02—Detectors of external physical values, e.g. temperature
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G9/00—Visual time or date indication means
    • G04G9/0017—Visual time or date indication means in which the light emitting display elements may be activated at will or are controlled in accordance with the ambient light

Definitions

  • the invention relates to a Dewar device for mechanical and/or functional components of a watch, the device comprising a system for dynamically adjusting the contrast of a display device such as a dial of a watch arranged in a housing of said Dewar device.
  • An electronic watch conventionally comprises a bracelet and a watch case comprising several electrical or electronic components. It is known in the state of the art that some of these components do not withstand extreme temperatures, and cease to function correctly at these temperatures.
  • the invention relates to a Dewar device for mechanical and/or functional components of a watch, comprising a case provided with an enclosure in which a case of said watch provided can be removably arranged. of a display device capable of displaying information relating to time indications or to functions implemented by the watch, said display device being arranged facing a glass of said case, the Dewar device comprising a dynamic adjustment/adjustment system contrast of the display device of the watch, the system comprising said variable brightness glass and a control unit configured to control the contrast of said display device of the watch.
  • THE figures 1 and 2 represent a watchmaking device of Dewar 1 for mechanical and/or functional components 5 of a watch 10.
  • This watchmaking device of Dewar 1 also called “ isothermal watchmaking device “ or more simply " Dewar device”, comprises a protective case 2 thermal box also called “ insulated box ” or “ Dewar box ”.
  • Such a Dewar device 1 for thermal protection for mechanical and/or functional components 5 of a watch 10 is capable of providing good thermal insulation to mechanical and/or functional components 5 of the watch 10, a box 12 of which must be arranged in a enclosure 4 of this box 2 in order to ensure such thermal insulation for these components 5.
  • this box 2 is formed in particular by the combination of its functional elements 15 with the box 11 of watch 10 in order to achieve suitable thermal insulation for these mechanical and/or functional components 5.
  • These functional elements 15 of the housing 2 forming this said enclosure 4 include a glass 6, an interior peripheral wall 17 of a middle part 9a and a bottom 9b of this housing 2.
  • the watch case 10 is arranged in an enclosure 4 while being kept distant or at a distance from the functional elements 15 of the case 2 forming this said enclosure 4. It will be noted that this interior peripheral wall 17 of the middle part is also that of said enclosure 4.
  • the housing 2 comprises a dynamic adjustment system 3 of the contrast of a display device such as a watch dial 10.
  • a system 3 participates in automatically configuring the contrast of the display device.
  • Such an adjustment of the contrast makes it possible to improve the readability of the information displayed by this display device by taking into account the brightness present in the environment of the Dewar device 1.
  • this system 3 makes it possible to configure a optimal contrast between one or more graphic representations relating to the information or information, and their respective background.
  • this system 3 comprises the glass 6 of the case 2, which is a transparent glass 6 with variable brightness oriented towards the display device of the watch 10, and a control unit 8 connected to this glass 6 which is configured to control/manage this brightness.
  • control unit 8 comprises an electronic circuit comprising a controller provided with hardware resources in particular with at least one processor cooperating with memory elements as well as data and control address buses, and also an energy accumulator otherwise called a battery.
  • This control unit 8 comprises in its memory elements an algorithm for managing the dynamic adjustment of the contrast of the display device of the watch 10. Such an algorithm is executed by the processor of this control unit 8 taking into account in particular data coming from sensors event included in the control unit 8 in order to ensure management of the contrast of this display device.
  • such data can for example provide information relating to events detected by these sensors, said events being likely to contribute/result in/generate a variation in the ambient brightness prevailing in the environment of the Dewar device 1 and which may disrupt/alter the reading of information present on/in the display device.
  • events may include, in a non-limiting and non-exhaustive manner: the detection of a particular level of brightness in the environment of the Dewar device 1, in particular solar radiation, etc.
  • the event sensor comprises in particular and in a non-limiting and non-exhaustive manner a brightness sensor comprising a solar radiation sensor and/or an infrared solar radiation sensor and/or an ultraviolet solar radiation sensor.
  • the event sensor is part of the control unit 8 and is connected to the controller of this unit.
  • the brightness sensor is arranged in the housing 2 and in particular in at least one of the functional elements 15 of this housing 2 so as to be exposed to the light coming from the external environment of the Dewar device 1 and therefore from the housing 2.
  • this brightness sensor can be arranged in the body of the glass 6 of the housing 2 and/or on an internal face 16 of this glass 6.
  • the control unit 8 comprises a substrate such as a flexible PCB on which its electronic circuit is arranged with the exception of the brightness sensor which can be included in the glass 6 or on the internal face of this glass 6 of the housing 2.
  • the construction of this circuit on this substrate can be carried out using methods of three-dimensional printing or even polymer printing processes. It will be noted that this substrate is arranged in the enclosure 4 on one of the functional elements 15 such as the bottom 9b or on the interior peripheral wall 17 of the enclosure 4.
  • the control unit 8 is connected/connected to the glass 6 of the housing 2 via a connecting element 14.
  • a glass 6 is formed a substrate and a transparent brightness/lighting variation element 7 arranged in or on this substrate.
  • This substrate is made of a material like glass such as mineral glass, acrylic glass, optical ceramic or even sapphire glass.
  • a brightness variation element 7 is for example a transparent lighting element, in particular a lighting element with organic electroluminescent diodes known by the acronym OLED (for “ Organic Light Emitting Diodes ” in English). .
  • Such an OLED type lighting element comprises a stack of transparent functional layers comprising layers of organic electroluminescent materials supplied with electricity by transparent electrodes generally in the form of first and second electroconductive layers, of this stack, framing these layers of material(s).
  • Such a lighting element 7 of the OLED type can be provided to emit polychromatic radiation defined at 0° by coordinates (x1, y1) in the CIE XYZ 1931 colorimetric diagram, coordinates therefore given for normal radiation.
  • This transparent lighting element 7 is configured to emit light radiation towards the display device or directed towards the display device.
  • the electroluminescent layers can comprise small molecules, we then speak of SM-OLED (“Small Molecule Organic Light Emitting Diodes” in English), or even include polymers, we speak of PLED (“Polymer Light Emitting Diodes” in English).
  • SM-OLED Small Molecule Organic Light Emitting Diodes” in English
  • PLED Polymer Light Emitting Diodes
  • the brightness variation element 7 is arranged/applied/printed/deposited on a lower surface of the substrate, then forming the internal face 16 of this glass 6.
  • the brightness variation element 7 is included in the body of the substrate forming this glass 6 of the housing 2.
  • this substrate can then be formed of two layers of material transparent such as glass, between which layers, the brightness variation element 7 is arranged.
  • the presence of the brightness variation element 7 in or on the substrate included in the lens 6 does not alter the transmittance properties of this lens 6 of the housing 2.
  • control unit 8 by controlling/controlling the variation of an electrical voltage applied to the first and second electroconductive layers of the brightness variation element 7, makes it possible to vary the lighting/ the light intensity applied to the display device, and in particular the distribution of lighting/light intensity on this display device.
  • control unit 8 is then capable of configuring a contrast of the display device which is adapted to the surrounding brightness, with a view to facilitating the reading of this display device and/or providing reading comfort for the user of this Dewar 1 device.
  • This variation of this lighting generated by the brightness variation element 7, otherwise called variation of light intensity, is carried out between two states.
  • a first state relating to maximum light intensity and a second state relating to zero light intensity.
  • the watch box 12 10 is arranged in the housing 2 of this Dewar device 1 while being distant or kept at a distance 19 or even at a distance 19 from the interior peripheral wall 17 of the enclosure 4 and this, thanks to the reversible fixing device 13 of the housing 2.
  • a fixing device 13 is capable of configuring a spacing 19 between said box 12 and functional elements 15 of the housing 2 forming said enclosure 4.
  • the fixing device 13 helps to reduce or even eliminate any thermal conduction between the interior peripheral wall 17 of the middle part 9a (or enclosure 4) and/or the bottom 9b and/or the glass 6 with the box 12 of watch 10 in particular with an external overall face of this box 12.
  • This external overall face comprises an upper face comprising the crystal 11 of the box 12 of this watch 10, a lower face comprising a bottom of said box 12 and an external peripheral wall of a middle part of this box 12.
  • a watch 10 which can be an electronic watch, for example a quartz watch, or even a mechanical watch or even an electromechanical watch.
  • the mechanical and/or functional components 5 of the watch 10, mentioned above, include in a non-limiting and non-exhaustive manner: a watch movement, display device such as a dial, hands, rings, seals and/or electronic and/or electrical components.
  • display device such as a dial, hands, rings, seals and/or electronic and/or electrical components.
  • electronic and/or electrical components comprise for example a display device, a processor, a memory, an energy storage component, a motor, an integrated circuit and an electronic oscillator, etc.
  • this device 1 therefore comprises the case 2 which includes the middle part 9a on which a bracelet 9c is mounted allowing a user of this device 1 to wear it.
  • This case 2 also includes the glass 6 and the bottom 9b mentioned above.
  • the glass 6 preferably comprises a surface which is substantially greater or strictly greater than a glass 11 of the case 12 of watch 10.
  • the internal face 16 of the glass 6 has a surface which is significantly greater or strictly greater than or equal to that of an upper face of the crystal 11 of the watch 10.
  • the functional elements 15 such as the glass 6, the middle 9a and the bottom 9b of this device 1 together define the enclosure 4 of this case 2 which is capable of receiving the watch box 12 10.
  • These three elements 15 of the case 2, namely the middle part 9a, the crystal 6 and the bottom 9b can be distinct elements which are joined together to construct this enclosure 4.
  • the middle part 9a and the bottom 9b of the case 2 can together form a one-piece part, said one-piece part defining an opening opposite the bottom 9b which is capable of being closed by the glass 6 and this, reversibly and waterproof and airtight.
  • the middle part 9a and the crystal 6 of the watch case 2 10 can together form a one-piece part, said one-piece part defining an opening opposite the glass 6 which is capable of being closed by the bottom 9b and this, also reversible and waterproof and airtight.
  • the middle part 9a and the bottom 9b are preferably made in a non-limiting and non-exhaustive manner from a metallic material, from glass or from thermosetting or thermoplastic polymer resins reinforced with carbon or glass fibers or even from ceramic materials. It will be noted that when the middle part 9a and the bottom 9b are transparent or semi-transparent, for example being made of glass, the interior peripheral wall 17 of the middle part 9a and the interior face 18 of the bottom 9b can be coated with a metallic reflective coating or similar, such as for example a layer of silver.
  • this Dewar device 1 has the same properties and characteristics as a Dewar tube/vase well known in the state of the art. As we have previously mentioned, the properties and characteristics of this device Dewar 1 contributes to giving it good thermal insulation with regard to particularly extreme temperatures which may prevail in the external environment in which such a device 1 can be located.
  • the mechanical and/or functional components 5 of the watch 10 can be non-magnetic and/or that the case 2 of the watch 10 can be made of a material or be covered with a coating making it possible to isolate these components of magnetic fields.
  • the fixing device 13 helps to arrange the box 12 of watch 10 in this case 2 so that the glass 11 of this box 12 of watch 10 is arranged facing the glass 6 of the case 2 so as to so that the information included on the dial and/or the display interface of this watch 10 can be perceived through the transparent glass 6 of the case 2 by the user carrying the Dewar device 1.
  • a Dewar device 1 provides the mechanical and/or functional components 5 of the watch 10 with very good thermal insulation with respect to the external environment by reducing or even preventing heat loss by radiation from the components arranged in the box 12 of watch 10 for a long time.
  • the temperature outside the device 1 reaches extreme values, typically of the order of -125 to +125°C
  • the temperature inside the enclosure 4 remains substantially equal to the temperature present in the box 12 of watch 10 during its arrangement in the case 2, typically of the order of 20 ° C.
  • the temperature present in the box 12 of watch 10 is a temperature which does not hinder the proper functioning of the watch 10.
  • This temperature is maintained over a period which is 2 to 18 times longer than the period during which such a watch box 12 10 would be capable of preserving an operating temperature of its components by being located directly in such an environment where such conditions prevail.
  • particularly extreme temperatures that is to say by being located outside the case 2 of the Dewar device 1.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Electric Clocks (AREA)
EP22216515.1A 2022-12-23 2022-12-23 Dewar-vorrichtung für eine uhr Pending EP4390569A1 (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP22216515.1A EP4390569A1 (de) 2022-12-23 2022-12-23 Dewar-vorrichtung für eine uhr
JP2023204827A JP7674450B2 (ja) 2022-12-23 2023-12-04 時計用デュワー装置
US18/540,491 US20240210888A1 (en) 2022-12-23 2023-12-14 Dewar device for watch
KR1020230183642A KR20240101407A (ko) 2022-12-23 2023-12-15 시계용 듀어 장치
CN202311786265.4A CN118244611A (zh) 2022-12-23 2023-12-22 用于表的杜瓦装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP22216515.1A EP4390569A1 (de) 2022-12-23 2022-12-23 Dewar-vorrichtung für eine uhr

Publications (1)

Publication Number Publication Date
EP4390569A1 true EP4390569A1 (de) 2024-06-26

Family

ID=84602632

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22216515.1A Pending EP4390569A1 (de) 2022-12-23 2022-12-23 Dewar-vorrichtung für eine uhr

Country Status (5)

Country Link
US (1) US20240210888A1 (de)
EP (1) EP4390569A1 (de)
JP (1) JP7674450B2 (de)
KR (1) KR20240101407A (de)
CN (1) CN118244611A (de)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3163360A2 (de) * 2015-09-11 2017-05-03 Lenovo (Singapore) Pte. Ltd. Messgeräte-opakheitskontrolle
CH716914A2 (fr) * 2019-12-09 2021-06-15 Omega Sa Montre comprenant un élément de filtrage optique.
US20220180614A1 (en) * 2019-04-17 2022-06-09 Newtonoid Technologies, L.L.C. Watch Having an Intelligent Display System
EP4012512A1 (de) * 2020-12-09 2022-06-15 Omega SA Gehäuse eines dewargefässes, das ein verbindungselement eines armbanduhrengehäuses umfasst

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5240766U (de) * 1975-09-17 1977-03-23
JPH04316085A (ja) * 1991-04-15 1992-11-06 Casio Comput Co Ltd 表示部保護ガラスを備えた電子機器
JP4316085B2 (ja) 1999-12-28 2009-08-19 株式会社東芝 半導体集積回路装置及び集積回路システム
JP5240766B2 (ja) 2008-09-01 2013-07-17 シンジーテック株式会社 発泡ゴム部材の製造方法
EP3650957B1 (de) * 2018-11-06 2021-06-09 The Swatch Group Research and Development Ltd Gegenstand, der mit einer elektrooptischen anzeigevorrichtung ausgestattet ist
EP4012510B1 (de) * 2020-12-09 2025-02-19 Omega SA Isothermische uhrvorrichtung

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3163360A2 (de) * 2015-09-11 2017-05-03 Lenovo (Singapore) Pte. Ltd. Messgeräte-opakheitskontrolle
US20220180614A1 (en) * 2019-04-17 2022-06-09 Newtonoid Technologies, L.L.C. Watch Having an Intelligent Display System
CH716914A2 (fr) * 2019-12-09 2021-06-15 Omega Sa Montre comprenant un élément de filtrage optique.
EP4012512A1 (de) * 2020-12-09 2022-06-15 Omega SA Gehäuse eines dewargefässes, das ein verbindungselement eines armbanduhrengehäuses umfasst

Also Published As

Publication number Publication date
CN118244611A (zh) 2024-06-25
US20240210888A1 (en) 2024-06-27
JP2024091483A (ja) 2024-07-04
JP7674450B2 (ja) 2025-05-09
KR20240101407A (ko) 2024-07-02

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