CH631856B5 - Miniature motor for clockwork movement - Google Patents

Miniature motor for clockwork movement Download PDF

Info

Publication number
CH631856B5
CH631856B5 CH1445874A CH1445874A CH631856B5 CH 631856 B5 CH631856 B5 CH 631856B5 CH 1445874 A CH1445874 A CH 1445874A CH 1445874 A CH1445874 A CH 1445874A CH 631856 B5 CH631856 B5 CH 631856B5
Authority
CH
Switzerland
Prior art keywords
rotor
windings
stator
motor
magnetic
Prior art date
Application number
CH1445874A
Other languages
English (en)
French (fr)
Inventor
Harry Da Costa
Victor Walter Foster
Charles Gerald Thornton
Original Assignee
Motorola Inc
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 Motorola Inc filed Critical Motorola Inc
Publication of CH631856B5 publication Critical patent/CH631856B5/fr

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
    • H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
    • H02K21/14—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures
    • 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
    • G04C3/16—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means incorporating an electro-dynamic continuously rotating motor
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
  • Permanent Magnet Type Synchronous Machine (AREA)
CH1445874A 1973-10-29 1974-10-29 Miniature motor for clockwork movement CH631856B5 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US41093273A 1973-10-29 1973-10-29

Publications (1)

Publication Number Publication Date
CH631856B5 true CH631856B5 (en) 1982-09-15

Family

ID=23626846

Family Applications (2)

Application Number Title Priority Date Filing Date
CH1445874D CH1445874A4 (zh) 1973-10-29 1974-10-29
CH1445874A CH631856B5 (en) 1973-10-29 1974-10-29 Miniature motor for clockwork movement

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CH1445874D CH1445874A4 (zh) 1973-10-29 1974-10-29

Country Status (4)

Country Link
JP (2) JPS5074108A (zh)
CH (2) CH1445874A4 (zh)
DE (1) DE2451363C3 (zh)
FR (1) FR2249475B1 (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0222916B1 (en) * 1985-04-29 1993-02-03 Sony Corporation External magnetic field reversing apparatus for photomagnetic disks

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1261242C2 (de) * 1964-06-05 1975-10-02 Fa. Diehl, 8500 Nürnberg Zeigerwerksantrieb fuer eine batteriegespeiste, selbstaendige uhr mit einem kommutatorlosen motor
JPS4914910A (zh) * 1972-05-24 1974-02-08

Also Published As

Publication number Publication date
JPS5074108A (zh) 1975-06-18
CH1445874A4 (zh) 1977-08-15
JPS5721509Y2 (zh) 1982-05-10
DE2451363C3 (de) 1978-09-21
JPS5473919U (zh) 1979-05-25
DE2451363A1 (de) 1975-05-07
DE2451363B2 (de) 1978-01-19
FR2249475B1 (zh) 1980-11-07
FR2249475A1 (zh) 1975-05-23

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Legal Events

Date Code Title Description
PL Patent ceased