EP0101410A3 - Montre électro-mécanique munie d'un écran magnétique - Google Patents

Montre électro-mécanique munie d'un écran magnétique Download PDF

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Publication number
EP0101410A3
EP0101410A3 EP83810327A EP83810327A EP0101410A3 EP 0101410 A3 EP0101410 A3 EP 0101410A3 EP 83810327 A EP83810327 A EP 83810327A EP 83810327 A EP83810327 A EP 83810327A EP 0101410 A3 EP0101410 A3 EP 0101410A3
Authority
EP
European Patent Office
Prior art keywords
electro
plate
magnetic shield
mechanical clock
screen
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Withdrawn
Application number
EP83810327A
Other languages
German (de)
English (en)
Other versions
EP0101410A2 (fr
Inventor
Jean-Claude Schaffner
Jacques Mueller
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.)
ETA SA Manufacture Horlogere Suisse
Original Assignee
Eta SA Fabriques dEbauches
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 Eta SA Fabriques dEbauches filed Critical Eta SA Fabriques dEbauches
Publication of EP0101410A2 publication Critical patent/EP0101410A2/fr
Publication of EP0101410A3 publication Critical patent/EP0101410A3/fr
Withdrawn legal-status Critical Current

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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
    • G04C3/008—Mounting, assembling of components
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)

Abstract

Montre électro-mécanique comportant une structure qui comprend une platine (10) et une carrure (12), un moteur pas à pas (18) monté sur la platine et constitué d'un rotor (24), d'un stator (20), d'une bobine (22) et d'un noyau (23) dont l'axe est sensiblement dans le plan de la platine, et un écran magnétique (32).
Cet écran est constitué par une bande incurvée, de matériau magnétique doux, qui est disposée à la hauteur du moteur, dans la partie périphérique de la structure la plus proche du moteur. Les deux portions terminales de l'écran s'étendent au moins jusqu'au niveau des extrémités respec­ tives de la bobine.
EP83810327A 1982-08-16 1983-07-19 Montre électro-mécanique munie d'un écran magnétique Withdrawn EP0101410A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH4890/82 1982-08-16
CH489082 1982-08-16

Publications (2)

Publication Number Publication Date
EP0101410A2 EP0101410A2 (fr) 1984-02-22
EP0101410A3 true EP0101410A3 (fr) 1984-03-28

Family

ID=4284320

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83810327A Withdrawn EP0101410A3 (fr) 1982-08-16 1983-07-19 Montre électro-mécanique munie d'un écran magnétique

Country Status (2)

Country Link
EP (1) EP0101410A3 (fr)
JP (1) JPS5981580A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002042791A1 (fr) * 2000-11-24 2002-05-30 Koninklijke Philips Electronics N.V. Procede permettant d'obtenir des images irm par sous-echantillonnage dans un appareil irm a champ vertical
JP4618120B2 (ja) * 2005-12-22 2011-01-26 セイコーエプソン株式会社 アンテナ内蔵式電子時計
JP4535185B2 (ja) * 2008-09-26 2010-09-01 カシオ計算機株式会社 電波腕時計

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2645158A1 (de) * 1975-10-08 1977-04-21 Seiko Instr & Electronics Uhrgehaeuse
JPS5510532A (en) * 1978-07-08 1980-01-25 Citizen Watch Co Ltd Antimagnetic structure for crystal watch
DE2918373A1 (de) * 1979-05-07 1980-11-13 Zimmermann Walter Vorrichtung zur abschirmung von empfindlichen anzeigeinstrumenten
US4317188A (en) * 1977-02-17 1982-02-23 Kabushiki Kaisha Suwa Seikosha Magnetic shielding plate for a step motor in an electronic wristwatch

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2645158A1 (de) * 1975-10-08 1977-04-21 Seiko Instr & Electronics Uhrgehaeuse
US4317188A (en) * 1977-02-17 1982-02-23 Kabushiki Kaisha Suwa Seikosha Magnetic shielding plate for a step motor in an electronic wristwatch
JPS5510532A (en) * 1978-07-08 1980-01-25 Citizen Watch Co Ltd Antimagnetic structure for crystal watch
DE2918373A1 (de) * 1979-05-07 1980-11-13 Zimmermann Walter Vorrichtung zur abschirmung von empfindlichen anzeigeinstrumenten

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENTS ABSTRACTS OF JAPAN, vol. 4, no. 39 (P-4) (521), 28 mars 1980 & JP-A-55 010 532 (CITIZEN TOKEI K.K.) (25-01-1980) *

Also Published As

Publication number Publication date
JPS5981580A (ja) 1984-05-11
EP0101410A2 (fr) 1984-02-22

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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PUAL Search report despatched

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AK Designated contracting states

Designated state(s): DE FR GB

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STAA Information on the status of an ep patent application or granted ep patent

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18D Application deemed to be withdrawn

Effective date: 19841129

RIN1 Information on inventor provided before grant (corrected)

Inventor name: SCHAFFNER, JEAN-CLAUDE

Inventor name: MUELLER, JACQUES