EP0101410A3 - Electro-mechanical clock equipped with a magnetic shield - Google Patents

Electro-mechanical clock equipped with a magnetic shield Download PDF

Info

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Withdrawn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)
French (fr)
Other versions
EP0101410A2 (en
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 Manufacture Horlogere Suisse SA
Original Assignee
ETA Manufacture Horlogere Suisse 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 ETA Manufacture Horlogere Suisse SA filed Critical ETA Manufacture Horlogere Suisse SA
Publication of EP0101410A2 publication Critical patent/EP0101410A2/en
Publication of EP0101410A3 publication Critical patent/EP0101410A3/en
Withdrawn legal-status Critical Current

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
    • 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). Electro-mechanical watch comprising a structure which includes a plate (10) and a middle part (12), a step motor step (18) mounted on the plate and consisting of a rotor (24), a stator (20), a coil (22) and a core (23) of which the axis is substantially in the plane of the plate, and a screen magnetic (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. This screen consists of a curved strip, of soft magnetic material, which is arranged at the height of the motor, in the peripheral part of the most close to the engine. The two terminal portions of the screen extend at least to the level of the ends respec reels.

EP83810327A 1982-08-16 1983-07-19 Electro-mechanical clock equipped with a magnetic shield Withdrawn EP0101410A3 (en)

Applications Claiming Priority (2)

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

Publications (2)

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

Family

ID=4284320

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83810327A Withdrawn EP0101410A3 (en) 1982-08-16 1983-07-19 Electro-mechanical clock equipped with a magnetic shield

Country Status (2)

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

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1256011B1 (en) * 2000-11-24 2007-03-21 Koninklijke Philips Electronics N.V. Method for obtaining mri images using sub-sampling in a vertical field mri apparatus
JP4618120B2 (en) * 2005-12-22 2011-01-26 セイコーエプソン株式会社 Electronic clock with built-in antenna
JP4535185B2 (en) * 2008-09-26 2010-09-01 カシオ計算機株式会社 Radio wave watch

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2645158A1 (en) * 1975-10-08 1977-04-21 Seiko Instr & Electronics CLOCK CASE
JPS5510532A (en) * 1978-07-08 1980-01-25 Citizen Watch Co Ltd Antimagnetic structure for crystal watch
DE2918373A1 (en) * 1979-05-07 1980-11-13 Zimmermann Walter Magnetic watch screening combining shock and dirt proofing - using annulus connected to closed front and rear discs and fixed to removable segments
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 (en) * 1975-10-08 1977-04-21 Seiko Instr & Electronics CLOCK CASE
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 (en) * 1979-05-07 1980-11-13 Zimmermann Walter Magnetic watch screening combining shock and dirt proofing - using annulus connected to closed front and rear discs and fixed to removable segments

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
EP0101410A2 (en) 1984-02-22
JPS5981580A (en) 1984-05-11

Similar Documents

Publication Publication Date Title
EP0353285A1 (en) Field assembly insulator.
IT8119338A0 (en) END CAP FOR GAS TURBO ENGINE ROTOR BLADE AND METHOD FOR ITS REPLACEMENT.
FR2559318B1 (en) ELECTRIC MOTOR WITH A VIBRATION DAMPING ELEMENT ON THE MOTOR SHAFT
FR2569940B1 (en) MOTOR MOWER COMPRISING AN ORIENTABLE OPERATING ELEMENT
IT1182630B (en) CRANKSHAFT IN PARTICULAR FOR SMALL PETROL ENGINES
DE3685852D1 (en) TURBINE ENGINE WITH INDUCED PRE-ROTATION AT THE COMPRESSOR INLET.
FR2523209B1 (en) BLADE DAMPER AND BLADE DAMPING ASSEMBLY IN A ROTOR
FR2685937B1 (en) FUEL PUMP WITH TURBINE FINS AND ELECTRIC MOTOR.
EP0101410A3 (en) Electro-mechanical clock equipped with a magnetic shield
GB2143901B (en) Internal combustion engine and frame assembly
DE68912492T2 (en) Assembly of a propeller blade by a pin.
GB2127485B (en) I c engine with internal crankcase stiffening bridge having integral oil pump and drive housing
BE860522A (en) METHOD AND DEVICE FOR IMPROVING THE OPERATION OF AN ENGINE EQUIPPED WITH A TURBO COMPRESSOR
FR2532003B1 (en) DIESEL ENGINE WITH EFFECTIVE COMPRESSION RATIO ESSENTIALLY EQUAL TO GEOMETRIC COMPRESSION RATIO
IL64322A (en) Nickel base"single crystal"(single grain)alloy and a turbine engine blade cast therefrom
FR2372537A1 (en) STARTER MOTOR
FR2438768A1 (en) ELASTIC SUPPORT COMPRISING A RING OF ELASTOMERIC MATERIAL
FR2548115B1 (en) WINDSCREEN WIPER HAVING MEANS TO FACILITATE THE ASSEMBLY OF THE WIPER BLADE ON THE WIPER ARM
FR2569243B1 (en) VARIABLE STEP PROPELLER ROTOR, PARTICULARLY FOR A WIND ENGINE
IT1158824B (en) ENGINE HAVING A FIXED SHAFT AND PROCEDURE FOR ASSEMBLING IT
OA07488A (en) Tire casing comprising a body devoid of reinforcement in the sidewalls and at the crown, and a crown reinforcement.
US4701149A (en) Method and apparatus for bicycle noise making system
FR2538049B1 (en) DEVICE FOR ASSEMBLING, IN A REMOVABLE WAY, AN ELEMENT WITH ANOTHER OF WHICH AT LEAST ONE IS PARTIALLY METALLIC
DE3463286D1 (en) Internal-combustion engine with an exhaust-driven supercharger
FR2449235A1 (en) LOW AXIAL AND RADIAL HELICAL SPRING

Legal Events

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

Free format text: ORIGINAL CODE: 0009012

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Designated state(s): DE FR GB

AK Designated contracting states

Designated state(s): DE FR GB

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

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

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