EP3644132A1 - Armbanduhr mit schlagwerk oder musik, die mit mindestens einer schallabstrahlmembran ausgestattet ist, und herstellungsverfahren dieser membran - Google Patents

Armbanduhr mit schlagwerk oder musik, die mit mindestens einer schallabstrahlmembran ausgestattet ist, und herstellungsverfahren dieser membran Download PDF

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Publication number
EP3644132A1
EP3644132A1 EP18202869.6A EP18202869A EP3644132A1 EP 3644132 A1 EP3644132 A1 EP 3644132A1 EP 18202869 A EP18202869 A EP 18202869A EP 3644132 A1 EP3644132 A1 EP 3644132A1
Authority
EP
European Patent Office
Prior art keywords
membrane
watch
border
bezel
annular
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
EP18202869.6A
Other languages
English (en)
French (fr)
Other versions
EP3644132B1 (de
Inventor
Jérôme Favre
Mehdi Denden
Alain Delizée
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.)
Blancpain SA
Original Assignee
Blancpain 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 Blancpain SA filed Critical Blancpain SA
Priority to EP18202869.6A priority Critical patent/EP3644132B1/de
Priority to JP2019184901A priority patent/JP6783367B2/ja
Priority to US16/598,258 priority patent/US11640142B2/en
Priority to CN201911014845.5A priority patent/CN111103783B/zh
Publication of EP3644132A1 publication Critical patent/EP3644132A1/de
Application granted granted Critical
Publication of EP3644132B1 publication Critical patent/EP3644132B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • G04B21/00—Indicating the time by acoustic means
    • G04B21/02—Regular striking mechanisms giving the full hour, half hour or quarter hour
    • G04B21/08—Sounding bodies; Whistles; Musical apparatus
    • 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
    • G04B21/00—Indicating the time by acoustic means
    • 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
    • G04B21/00—Indicating the time by acoustic means
    • G04B21/02—Regular striking mechanisms giving the full hour, half hour or quarter hour
    • G04B21/06—Details of striking mechanisms, e.g. hammer, fan governor
    • 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
    • G04B23/00—Arrangements producing acoustic signals at preselected times
    • G04B23/02—Alarm clocks
    • G04B23/028—Sounding bodies; boxes used as sounding cases; fixation on or in the case
    • 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
    • G04B37/0075—Cases with means to enhance sound transmission
    • 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

Definitions

  • the invention therefore aims to overcome the drawbacks of the prior art by providing a striking or musical watch provided with at least one acoustic radiation membrane arranged to produce a rich sound with better acoustic radiation from vibrations to low frequency via the membrane linked to a crystal or a bezel linked to a crystal from the watch case.
  • the invention relates to a striking or musical watch cited above, which comprises the characteristics defined in independent claim 1.
  • the membrane can be manufactured by an electroforming process. It can be produced with a thickness of less than 80 ⁇ m, for example up to 37 ⁇ m, which makes it possible to lower the radiation frequency up to 500 Hz while allowing good acoustic radiation up to frequencies around 8 to 10 kHz. By working at such a low frequency, this makes it possible to obtain a warmer, stronger sound, because the more there are radiated modes and the more the human ear interprets this as a loud sound, and more distinguishable when generating a music.
  • the membrane can be made of a metallic material, such as 5N gold.
  • a particular manufacturing step is defined in dependent claim 16.
  • Membrane 2 is of annular shape with an arcuate or curved part, which is directed towards the side of the watch crystal 5 in an active zone 11 of the membrane 2 in a direction Z perpendicular to the plane of the watch.
  • the arched portion is a portion of a circle in a cross section as shown, which is extended by a straight portion, defining a frustoconical portion, up to connection with the first border 23.
  • the second border 20 of the membrane 2 is fixed by a fixing ring 10, which is driven for example on an external cylindrical wall at the bottom of the telescope 3.
  • An internal annular groove can be provided in the fixing ring for guiding an internal fold of the second edge 20 of the membrane 2.
  • the bezel 3 also includes an upper edge, where the watch crystal 5 fixed by the seal 12 rests on an inner upper wall of the bezel 3.
  • a lower and inner edge of the bezel 3 is above the dial 6 without touching it to allow mobility of the telescope 3 with the glass 5 maintained by the membrane 2.
  • a space between 70 and 100 ⁇ m is provided between the bezel 3 and the dial 6 or between the bezel 3 and the complementary bezel 13 to allow mobility to the membrane 2 and bezel assembly 3.
  • the bezel 3 linked to the crystal 5 or the crystal 5 is movable relative to the middle part 4 via the membrane 2 during the vibration of the membrane 2 following a sound generated by the striking mechanism of the watch in the watch case.
  • the bezel 3 connected to the membrane 2 vibrates to the same modes of vibration as the membrane 2, which are significantly lower than the modes of vibration of a conventional covering.
  • the thickness of the spring-type membrane 2 is therefore reduced to reduce the frequency f 0 of the first vibration mode by reducing the stiffness k of the membrane 2.
  • the excitation of the membrane 2 is therefore done by a transmission of transverse waves generated by the vibration of one or more stamps 9 arranged below the dial in this first embodiment.
  • provision may be made for having a sapphire crystal 5 with a thickness of 2 mm and a diameter of the order of 37.8 mm with a bezel 3 made of metal, such as gold so as to have a mass of the order of 13 grams.
  • the bezel 3 is of annular shape with an inside diameter of the order of 36 mm and an outside diameter of the order of 41.9 mm, and a thickness of the order of 3.55 mm.
  • the membrane 2, which can be electro-formed as explained below with reference to figures 4a to 4e may be preferably made of 5N gold to match the desired resonant frequency, because also a large part of the covering elements are made of gold.
  • the active zone 11 of the membrane may be a space between the telescope 3 and the complementary telescope 13 of 1.2 mm wide by 2 mm high in the Z direction.
  • the figure 3 shows a partial cross-sectional view of a striking or musical watch having a membrane at the level of the crystal and the middle of the watch case according to a second embodiment of the invention.
  • the only difference from this second embodiment resides in the second border 20 of the membrane 2.
  • This second border comprises a heel 20 used to start the manufacture of the membrane by electroforming.
  • this heel which is an annular gold ring for example, can be directly driven onto an external cylindrical wall at the bottom of the bezel 3.
  • this makes it possible to obtain a membrane 2 with one-piece fixing heel 20.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Acoustics & Sound (AREA)
  • Electric Clocks (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
EP18202869.6A 2018-10-26 2018-10-26 Armbanduhr mit schlagwerk oder musik, die mit mindestens einer schallabstrahlmembran ausgestattet ist, und herstellungsverfahren dieser membran Active EP3644132B1 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP18202869.6A EP3644132B1 (de) 2018-10-26 2018-10-26 Armbanduhr mit schlagwerk oder musik, die mit mindestens einer schallabstrahlmembran ausgestattet ist, und herstellungsverfahren dieser membran
JP2019184901A JP6783367B2 (ja) 2018-10-26 2019-10-08 少なくとも１つの音響放射膜を備えるストライク携行式時計又はミュージカル携行式時計、及び音響放射膜を製造する方法
US16/598,258 US11640142B2 (en) 2018-10-26 2019-10-10 Striking or musical watch provided with at least one acoustic radiating membrane and method for manufacturing the membrane
CN201911014845.5A CN111103783B (zh) 2018-10-26 2019-10-24 设有至少一个声辐射膜的报时或音乐手表及制造膜的方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP18202869.6A EP3644132B1 (de) 2018-10-26 2018-10-26 Armbanduhr mit schlagwerk oder musik, die mit mindestens einer schallabstrahlmembran ausgestattet ist, und herstellungsverfahren dieser membran

Publications (2)

Publication Number Publication Date
EP3644132A1 true EP3644132A1 (de) 2020-04-29
EP3644132B1 EP3644132B1 (de) 2022-06-08

Family

ID=64051414

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18202869.6A Active EP3644132B1 (de) 2018-10-26 2018-10-26 Armbanduhr mit schlagwerk oder musik, die mit mindestens einer schallabstrahlmembran ausgestattet ist, und herstellungsverfahren dieser membran

Country Status (4)

Country Link
US (1) US11640142B2 (de)
EP (1) EP3644132B1 (de)
JP (1) JP6783367B2 (de)
CN (1) CN111103783B (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4113219A1 (de) * 2021-06-29 2023-01-04 Montres Breguet S.A. Verfahren zur frequenzabstimmung einer plattengruppe einer armbanduhr und armbanduhr mit dieser abgestimmten plattengruppe

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0028429A1 (de) 1979-11-02 1981-05-13 Eta A.G. Ebauches-Fabrik Uhr mit elektroakustischer Signalvorrichtung
US5932360A (en) * 1997-06-06 1999-08-03 Servometer Corporation Hollow shell with internal baffle
EP2409200B1 (de) 2009-03-19 2014-04-23 Rolex S.A. Armbanduhrgehäuse
CH708111B1 (fr) * 2008-04-28 2014-12-15 Richemont Int Sa Mouvement de montre comportant un dispositif sonore.

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5717341Y2 (de) 1977-06-21 1982-04-12
JPS6142151Y2 (de) 1979-03-27 1986-11-29
DE69300119T2 (de) * 1993-05-28 1995-10-19 Walca Sa Uhr mit wasserdichtem drehbarem Glas oder wasserdichter drehbarer Glasreifeinheit.
JPH08179061A (ja) 1994-12-20 1996-07-12 Citizen Watch Co Ltd 音響装置の収納構造
US5640133A (en) * 1995-06-23 1997-06-17 Cornell Research Foundation, Inc. Capacitance based tunable micromechanical resonators
DE29721955U1 (de) * 1997-12-12 1999-04-15 Junghans Uhren Gmbh, 78713 Schramberg Armbanduhr mit einer Weckeinrichtung
WO2005083451A1 (en) * 2004-02-27 2005-09-09 Bae Systems Plc Accelerometer
CH699146B1 (fr) 2004-10-08 2010-01-29 Artisans Boitiers Sa Dispositif de commande pour montre.
JP4857886B2 (ja) 2005-06-24 2012-01-18 セイコーエプソン株式会社 圧電アクチュエータの耐衝撃装置、これを備えた電子機器
CH702839B1 (fr) 2010-03-16 2019-12-30 Montres Breguet Sa Montre à sonnerie munie d’une membrane acoustique.
EP2461219B1 (de) * 2010-12-02 2020-10-14 Montres Breguet SA Schallabstrahlungsmembran für eine Spieluhr oder eine Armbanduhr mit Schlagwerk
CH704673A2 (fr) * 2011-03-22 2012-09-28 Montres Breguet Sa Membrane amovible de rayonnement acoustique pour une montre musicale ou à sonnerie, et montre la comprenant.
EP2881807B1 (de) * 2013-12-09 2019-11-27 Montres Breguet SA Schallabstrahlungsmembran für eine Armbanduhr mit Spieluhr
EP3009895B1 (de) * 2014-10-15 2017-06-28 Montres Breguet SA Armbanduhr mit Spieluhr oder Schlagwerk, die mit einer Schallabstrahlungsanordnung ausgestattet ist
EP3220210B1 (de) * 2016-03-15 2020-05-06 Montres Breguet S.A. Uhr mit schlagwerk oder musik und resonanz-uhrglasfassung
EP3696618A1 (de) * 2019-02-14 2020-08-19 Montres Breguet S.A. Armbanduhr mit schlagwerk oder spieluhr mit anordnung zum leiten von schallwellen

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0028429A1 (de) 1979-11-02 1981-05-13 Eta A.G. Ebauches-Fabrik Uhr mit elektroakustischer Signalvorrichtung
US5932360A (en) * 1997-06-06 1999-08-03 Servometer Corporation Hollow shell with internal baffle
CH708111B1 (fr) * 2008-04-28 2014-12-15 Richemont Int Sa Mouvement de montre comportant un dispositif sonore.
EP2409200B1 (de) 2009-03-19 2014-04-23 Rolex S.A. Armbanduhrgehäuse
EP2738625B1 (de) 2009-03-19 2015-08-12 Rolex Sa Uhrgehäuse umfassend einen Metallfaltenbalg

Also Published As

Publication number Publication date
CN111103783B (zh) 2021-06-08
US20200133202A1 (en) 2020-04-30
US11640142B2 (en) 2023-05-02
CN111103783A (zh) 2020-05-05
JP2020076749A (ja) 2020-05-21
EP3644132B1 (de) 2022-06-08
JP6783367B2 (ja) 2020-11-11

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