CH632376B - - Google Patents

Info

Publication number
CH632376B
CH632376B CH170378A CH170378A CH632376B CH 632376 B CH632376 B CH 632376B CH 170378 A CH170378 A CH 170378A CH 170378 A CH170378 A CH 170378A CH 632376 B CH632376 B CH 632376B
Authority
CH
Switzerland
Prior art keywords
magnetic
core
coil
elongated
stator
Prior art date
Application number
CH170378A
Other languages
English (en)
Other versions
CH632376GA3 (fr
Inventor
Kenichi Ushikoshi
Original Assignee
Suwa Seikosha Kk
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 of CH632376B publication Critical patent/CH632376B/fr
Application filed by Suwa Seikosha Kk filed Critical Suwa Seikosha Kk
Publication of CH632376GA3 publication Critical patent/CH632376GA3/fr

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K37/00—Motors with rotor rotating step by step and without interrupter or commutator driven by the rotor, e.g. stepping motors
    • H02K37/10—Motors with rotor rotating step by step and without interrupter or commutator driven by the rotor, e.g. stepping motors of permanent magnet type
    • H02K37/12—Motors with rotor rotating step by step and without interrupter or commutator driven by the rotor, e.g. stepping motors of permanent magnet type with stationary armatures and rotating magnets
    • H02K37/14—Motors with rotor rotating step by step and without interrupter or commutator driven by the rotor, e.g. stepping motors of permanent magnet type with stationary armatures and rotating magnets with magnets rotating within the armatures
    • H02K37/16—Motors with rotor rotating step by step and without interrupter or commutator driven by the rotor, e.g. stepping motors of permanent magnet type with stationary armatures and rotating magnets with magnets rotating within the armatures having horseshoe armature cores
    • 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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/01—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for shielding from electromagnetic fields, i.e. structural association with shields
    • H02K11/014—Shields associated with stationary parts, e.g. stator cores
    • H02K11/0141—Shields associated with casings, enclosures or brackets

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Electromechanical Clocks (AREA)
CH170378A 1977-02-17 1978-02-16 CH632376GA3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1648677A JPS53102080A (en) 1977-02-17 1977-02-17 Magnetisum resistant structure of thin type crystal watch

Publications (2)

Publication Number Publication Date
CH632376B true CH632376B (fr)
CH632376GA3 CH632376GA3 (fr) 1982-10-15

Family

ID=11917602

Family Applications (1)

Application Number Title Priority Date Filing Date
CH170378A CH632376GA3 (fr) 1977-02-17 1978-02-16

Country Status (3)

Country Link
US (1) US4317188A (fr)
JP (1) JPS53102080A (fr)
CH (1) CH632376GA3 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0101410A3 (fr) * 1982-08-16 1984-03-28 Eta SA Fabriques d'Ebauches Montre électro-mécanique munie d'un écran magnétique
JPH01148887U (fr) * 1988-04-05 1989-10-16
CH675047GA3 (en) * 1988-10-19 1990-08-31 Stepping motor for clock - includes additional pole piece to attenuate interaction between external magnetic field and rotor
JP2003043166A (ja) * 2001-07-30 2003-02-13 Seiko Epson Corp 時 計
US6942379B2 (en) * 2002-05-03 2005-09-13 John Hardy Clock assembly having an adjustable configuration
KR101464419B1 (ko) * 2009-12-14 2014-11-21 신닛테츠스미킨 카부시키카이샤 유도 가열 시스템 및 유도 가열 장치의 제어 방법
JP2012150094A (ja) * 2010-12-29 2012-08-09 Seiko Instruments Inc アナログ電子時計
JP6973572B2 (ja) * 2015-09-07 2021-12-01 カシオ計算機株式会社 電子時計
JP6724315B2 (ja) * 2015-09-07 2020-07-15 カシオ計算機株式会社 電子時計
JP6886902B2 (ja) * 2017-09-08 2021-06-16 シチズン時計株式会社 電子時計のムーブメント及び電子時計

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1871345A (en) * 1931-03-25 1932-08-09 Rigante Giuseppe Coil unit
US2579318A (en) * 1950-12-28 1951-12-18 Gen Electric Rotor for dynamoelectric machine
US2964901A (en) * 1958-03-06 1960-12-20 Ebauches Sa Lever escapement for timepieces
US3414483A (en) * 1966-01-27 1968-12-03 Lockman F V Selected film velocity distillation
JPS546223B2 (fr) * 1973-10-16 1979-03-26
JPS5174663A (fr) * 1974-12-23 1976-06-28 Seiko Instr & Electronics
JPS5240174U (fr) * 1975-09-12 1977-03-22
JPS604145Y2 (ja) * 1975-12-26 1985-02-05 セイコーインスツルメンツ株式会社 電子時計の磁気遮蔽板固定装置

Also Published As

Publication number Publication date
JPS53102080A (en) 1978-09-06
JPS6214796B2 (fr) 1987-04-03
US4317188A (en) 1982-02-23
CH632376GA3 (fr) 1982-10-15

Similar Documents

Publication Publication Date Title
DE2961885D1 (en) Magnet coil arrangement for producing linear magnetic field gradients
DE2962644D1 (en) Magnet coil arrangement for producing a homogeneous magnetic field
HK65680A (en) Electrical stepping motor
CH632376B (fr)
GB1504669A (en) Motor for an electronic timepiece
JPS5219259A (en) Magnetic pole* coil assemblage
FR2427727B1 (fr)
JPS53103794A (en) Nuclear magnetic resonance spectrometer using resonance signal gate circuit
US4006374A (en) Electric micro motor for a timepiece
JPS5540927A (en) Electronic wrist watch
BE865987A (fr) Circuit magnetique d'un electro-aimant comportant une armature munie d'un aimant permanent
GB1314622A (en) Speed sensing device
JPS55122465A (en) Permanent-magnet generator for engine
JPS5354962A (en) Method of manufacturing magnetron permanent magnet
JPS5440620A (en) Multi-element magnetic head device
JPS538047A (en) Method of fabricating magnetron sintered permanent magnet
ES457516A1 (es) Conjunto de rotor para maquina dinamoelectrica.
JPS5337850A (en) Exclusive and perfect shielding of electric field between electric and magnetic field generated by coils
JPS53126970A (en) Method of shielding completely only electric field out of electric and magnetic fields produced by ferrite core coil
JPS5426468A (en) Direct current magnetization system of wound magnetic core by radial magnetic field
JPS57170611A (en) Lumped constant type circulator and isolator
JPS5323012A (en) Pulse motor for electronic wrist watch
FR2292412A7 (fr) Perfectionnement aux vibreurs electromagnetiques a circuit d'entretien electronique
CH613820A5 (en) Magnetic amplifier with an iron core and a coil circuit
JPS52109905A (en) Pick-up cartridge