GB1427162A - Synchronous motors - Google Patents

Synchronous motors

Info

Publication number
GB1427162A
GB1427162A GB710873A GB710873A GB1427162A GB 1427162 A GB1427162 A GB 1427162A GB 710873 A GB710873 A GB 710873A GB 710873 A GB710873 A GB 710873A GB 1427162 A GB1427162 A GB 1427162A
Authority
GB
United Kingdom
Prior art keywords
feb
drive circuit
divider
crystal
synchronous motors
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.)
Expired
Application number
GB710873A
Other languages
English (en)
Inventor
M Ingenito
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.)
General Time Corp
Original Assignee
General Time Corp
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 General Time Corp filed Critical General Time Corp
Publication of GB1427162A publication Critical patent/GB1427162A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K21/00Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
    • H02K21/12Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
    • H02K21/24Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets axially facing the armatures, e.g. hub-type cycle dynamos
    • GPHYSICS
    • G04HOROLOGY
    • G04CELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C15/00Clocks driven by synchronous motors

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Permanent Magnet Type Synchronous Machine (AREA)
  • Electromechanical Clocks (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
GB710873A 1972-02-17 1973-02-13 Synchronous motors Expired GB1427162A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00227072A US3803433A (en) 1972-02-17 1972-02-17 Permanent magnet rotor synchronous motor

Publications (1)

Publication Number Publication Date
GB1427162A true GB1427162A (en) 1976-03-10

Family

ID=22851638

Family Applications (1)

Application Number Title Priority Date Filing Date
GB710873A Expired GB1427162A (en) 1972-02-17 1973-02-13 Synchronous motors

Country Status (7)

Country Link
US (1) US3803433A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS4893908A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA970020A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE2305109A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2172344B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1427162A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IT (1) IT984352B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (48)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3893059A (en) * 1974-03-13 1975-07-01 Veeder Industries Inc Pulse generator with asymmetrical multi-pole magnet
JPS5927988B2 (ja) * 1974-06-14 1984-07-10 株式会社東芝 タ−ンテ−ブル装置
US3912283A (en) * 1974-09-10 1975-10-14 Rca Corp Turntable speed lock system
US4115714A (en) * 1976-03-04 1978-09-19 General Time Corporation Stepping motor
US4186551A (en) * 1976-04-09 1980-02-05 Citizen Watch Co., Ltd. Electronic timepiece structure
DE2621262C2 (de) * 1976-05-13 1982-12-23 Vdo Adolf Schindling Ag, 6000 Frankfurt Einphasenschrittmotor
GB1554161A (en) * 1976-10-21 1979-10-17 Lucas Industries Ltd Cycles
US4079274A (en) * 1976-11-17 1978-03-14 General Time Corporation Damping of noise
EP0004138A1 (en) * 1978-02-23 1979-09-19 Leslie William Hall A pulse operated electric motor
CH630775B (fr) * 1979-04-12 Portescap Moteur pas a pas polyphase pour mouvement d'horlogerie.
US4330727A (en) * 1979-12-27 1982-05-18 Claude Oudet Electric step motor
US4373148A (en) * 1981-02-17 1983-02-08 The United States Of America As Represented By The Secretary Of The Navy Rotating electric machine having a toroidal wound motor winding
US4477745A (en) * 1983-12-15 1984-10-16 Lux Gregory F Disc rotor permanent magnet generator
DE59107118D1 (de) * 1990-10-22 1996-02-01 Gigandet Charles Sa Armbanduhr
US5191255A (en) * 1991-02-19 1993-03-02 Magnetospheric Power Corp. Ltd. Electromagnetic motor
JP2733824B2 (ja) * 1995-04-19 1998-03-30 日本サーボ株式会社 2相式永久磁石回転電機
US6952068B2 (en) * 2000-12-18 2005-10-04 Otis Elevator Company Fabricated components of transverse flux electric motors
US8576036B2 (en) 2010-12-10 2013-11-05 Correlated Magnetics Research, Llc System and method for affecting flux of multi-pole magnetic structures
US8760250B2 (en) 2009-06-02 2014-06-24 Correlated Magnetics Rsearch, LLC. System and method for energy generation
US8779879B2 (en) 2008-04-04 2014-07-15 Correlated Magnetics Research LLC System and method for positioning a multi-pole magnetic structure
US8368495B2 (en) 2008-04-04 2013-02-05 Correlated Magnetics Research LLC System and method for defining magnetic structures
US8717131B2 (en) 2008-04-04 2014-05-06 Correlated Magnetics Research Panel system for covering a glass or plastic surface
US9105380B2 (en) 2008-04-04 2015-08-11 Correlated Magnetics Research, Llc. Magnetic attachment system
US9202616B2 (en) 2009-06-02 2015-12-01 Correlated Magnetics Research, Llc Intelligent magnetic system
US8179219B2 (en) 2008-04-04 2012-05-15 Correlated Magnetics Research, Llc Field emission system and method
US8760251B2 (en) 2010-09-27 2014-06-24 Correlated Magnetics Research, Llc System and method for producing stacked field emission structures
US7800471B2 (en) 2008-04-04 2010-09-21 Cedar Ridge Research, Llc Field emission system and method
US9371923B2 (en) 2008-04-04 2016-06-21 Correlated Magnetics Research, Llc Magnetic valve assembly
US8279032B1 (en) 2011-03-24 2012-10-02 Correlated Magnetics Research, Llc. System for detachment of correlated magnetic structures
US8816805B2 (en) 2008-04-04 2014-08-26 Correlated Magnetics Research, Llc. Magnetic structure production
US8174347B2 (en) 2010-07-12 2012-05-08 Correlated Magnetics Research, Llc Multilevel correlated magnetic system and method for using the same
US8917154B2 (en) 2012-12-10 2014-12-23 Correlated Magnetics Research, Llc. System for concentrating magnetic flux
US8937521B2 (en) 2012-12-10 2015-01-20 Correlated Magnetics Research, Llc. System for concentrating magnetic flux of a multi-pole magnetic structure
US8704626B2 (en) 2010-05-10 2014-04-22 Correlated Magnetics Research, Llc System and method for moving an object
US9257219B2 (en) 2012-08-06 2016-02-09 Correlated Magnetics Research, Llc. System and method for magnetization
US9404776B2 (en) 2009-06-02 2016-08-02 Correlated Magnetics Research, Llc. System and method for tailoring polarity transitions of magnetic structures
US9275783B2 (en) 2012-10-15 2016-03-01 Correlated Magnetics Research, Llc. System and method for demagnetization of a magnetic structure region
US9711268B2 (en) 2009-09-22 2017-07-18 Correlated Magnetics Research, Llc System and method for tailoring magnetic forces
JP5507967B2 (ja) * 2009-11-09 2014-05-28 株式会社日立製作所 回転電機
US8638016B2 (en) * 2010-09-17 2014-01-28 Correlated Magnetics Research, Llc Electromagnetic structure having a core element that extends magnetic coupling around opposing surfaces of a circular magnetic structure
US8702437B2 (en) 2011-03-24 2014-04-22 Correlated Magnetics Research, Llc Electrical adapter system
US9330825B2 (en) 2011-04-12 2016-05-03 Mohammad Sarai Magnetic configurations
US8963380B2 (en) 2011-07-11 2015-02-24 Correlated Magnetics Research LLC. System and method for power generation system
US9219403B2 (en) 2011-09-06 2015-12-22 Correlated Magnetics Research, Llc Magnetic shear force transfer device
US8848973B2 (en) 2011-09-22 2014-09-30 Correlated Magnetics Research LLC System and method for authenticating an optical pattern
WO2013130667A2 (en) 2012-02-28 2013-09-06 Correlated Magnetics Research, Llc. System for detaching a magnetic structure from a ferromagnetic material
US9245677B2 (en) 2012-08-06 2016-01-26 Correlated Magnetics Research, Llc. System for concentrating and controlling magnetic flux of a multi-pole magnetic structure
US9298281B2 (en) 2012-12-27 2016-03-29 Correlated Magnetics Research, Llc. Magnetic vector sensor positioning and communications system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2890400A (en) * 1959-06-09 Rotary system driven by electrical energy
AU3516071A (en) * 1970-11-13 1973-05-03 Mc Graw Edison Co Synchronous motor
CH590516B5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1971-01-19 1977-08-15 Omega Brandt & Freres Sa Louis

Also Published As

Publication number Publication date
JPS4893908A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1973-12-04
FR2172344A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1973-09-28
CA970020A (en) 1975-06-24
US3803433A (en) 1974-04-09
DE2305109A1 (de) 1973-08-23
FR2172344B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1979-10-19
IT984352B (it) 1974-11-20

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee