GB1338084A - Magnetic escapement - Google Patents

Magnetic escapement

Info

Publication number
GB1338084A
GB1338084A GB5088970A GB5088970A GB1338084A GB 1338084 A GB1338084 A GB 1338084A GB 5088970 A GB5088970 A GB 5088970A GB 5088970 A GB5088970 A GB 5088970A GB 1338084 A GB1338084 A GB 1338084A
Authority
GB
United Kingdom
Prior art keywords
escape wheel
oscillator
rotor
fixed
driving
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
GB5088970A
Other languages
English (en)
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.)
Panasonic Electric Works Co Ltd
Original Assignee
Matsushita Electric Works Ltd
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
Priority claimed from JP10869769U external-priority patent/JPS5011413Y1/ja
Priority claimed from JP44093753A external-priority patent/JPS492927B1/ja
Application filed by Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Publication of GB1338084A publication Critical patent/GB1338084A/en
Expired 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
    • G04C3/08—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a mechanical oscillator other than a pendulum or balance, e.g. by a tuning fork, e.g. electrostatically
    • G04C3/10—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a mechanical oscillator other than a pendulum or balance, e.g. by a tuning fork, e.g. electrostatically driven by electromagnetic means
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C5/00—Electric or magnetic means for converting oscillatory to rotary motion in time-pieces, i.e. electric or magnetic escapements
    • G04C5/005—Magnetic or electromagnetic means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/15—Intermittent grip type mechanical movement
    • Y10T74/1502—Escapement

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
  • Electromechanical Clocks (AREA)
  • Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)
GB5088970A 1969-11-15 1970-10-27 Magnetic escapement Expired GB1338084A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP10869769U JPS5011413Y1 (enrdf_load_stackoverflow) 1969-11-15 1969-11-15
JP9233969 1969-11-18
JP44093753A JPS492927B1 (enrdf_load_stackoverflow) 1969-11-21 1969-11-21

Publications (1)

Publication Number Publication Date
GB1338084A true GB1338084A (en) 1973-11-21

Family

ID=27307007

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5088970A Expired GB1338084A (en) 1969-11-15 1970-10-27 Magnetic escapement

Country Status (4)

Country Link
US (1) US3660737A (enrdf_load_stackoverflow)
DE (1) DE2052941C3 (enrdf_load_stackoverflow)
FR (1) FR2067320B1 (enrdf_load_stackoverflow)
GB (1) GB1338084A (enrdf_load_stackoverflow)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2311445C3 (de) * 1973-03-08 1985-03-14 Vdo Adolf Schindling Ag, 6000 Frankfurt Elektrische Uhr mit Einphasenschrittmotor
US4332199A (en) * 1980-06-09 1982-06-01 The United States Of America As Represented By The Secretary Of The Navy Electromagnetic arming rate regulator
US5025428A (en) * 1990-12-17 1991-06-18 Wit Jarochowski Electromagnetic escapement for mechanically driven watch or clock
JP2003530560A (ja) * 2000-04-11 2003-10-14 デトラ・ソシエテ・アノニム 計時器用の脱進機構

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2946183A (en) * 1955-06-14 1960-07-26 Horstmann Magnetics Ltd Self-starting magnetic escapement mechanisms
US3208287A (en) * 1961-10-21 1965-09-28 Jeco Kk Magnetic escapement
US3137122A (en) * 1962-01-04 1964-06-16 Amphenol Borg Electronics Corp Resilient means for driving escape wheel
FR1366980A (fr) * 1963-06-10 1964-07-17 Diehl Fa Amplificateur de commande à transistor, en particulier pour l'application à des commandes d'entraînement d'horloges à réglage automatique
US3303705A (en) * 1964-03-19 1967-02-14 Bulova Watch Co Inc Attitude compensated electromechanical oscillator
GB1195432A (en) * 1967-05-15 1970-06-17 Horstmann Magnetics Ltd Electromechanical Oscillators

Also Published As

Publication number Publication date
DE2052941B2 (de) 1973-07-12
FR2067320A1 (enrdf_load_stackoverflow) 1971-08-20
US3660737A (en) 1972-05-02
DE2052941A1 (de) 1971-06-09
DE2052941C3 (de) 1974-02-07
FR2067320B1 (enrdf_load_stackoverflow) 1974-03-01

Similar Documents

Publication Publication Date Title
US2971323A (en) Electronically-controlled timepiece
US3134220A (en) Electric clock
GB1453902A (en) Stepper motor driving circuit arrangement for an electronic timepiece
GB1338084A (en) Magnetic escapement
US2968756A (en) Motor
US3635013A (en) Biassed oscillator arrangement
GB746465A (en) Improved electromagnetic impulse device for driving clocks
US2988868A (en) Electronic time-measuring arrangement
GB1308551A (en) Device for converting oscillatory movement into rotary movement
GB1313769A (en) Synchronous transistor motor
US3336537A (en) Voltage and temperature compensation for oscillators using forward poled diodes
US3014168A (en) Electronically controlled clock
US3209529A (en) Electronically controlled stop-watch
US3813871A (en) Clock utilizing a magnetic escapement mechanism
US3892066A (en) Synchronized watch movement
GB1378031A (en) Electronic maintenance circuit for an oscillating type motor element
US3114092A (en) Electronic driving means for timepieces
US3471762A (en) Constant speed motor including a mechanical oscillatory system mounted upon the rotor
US3351833A (en) Compensated transistorized electric clock circuit
US3584454A (en) Clock oscillator regulator
US2359656A (en) Magnetic motion-controlling mechanism
US3824780A (en) System for regulating rotary speed of a shaft
JPS6225736Y2 (enrdf_load_stackoverflow)
GB852812A (en) Improvements in or relating to a clock magnetic escapement device
GB1312128A (en) Electrical circuit for the contactless drive of a periodically moved

Legal Events

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