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CH392399A - Magnetic escapement device - Google Patents

Magnetic escapement device

Info

Publication number
CH392399A
CH392399A CH1225762A CH1225762A CH392399A CH 392399 A CH392399 A CH 392399A CH 1225762 A CH1225762 A CH 1225762A CH 1225762 A CH1225762 A CH 1225762A CH 392399 A CH392399 A CH 392399A
Authority
CH
Switzerland
Prior art keywords
escapement device
magnetic escapement
magnetic
escapement
Prior art date
Application number
CH1225762A
Other languages
German (de)
Inventor
Ishikawa Kazuo
Iwaki Koichi
Original Assignee
Nihon Denki Tokei Co 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
Application filed by Nihon Denki Tokei Co Ltd filed Critical Nihon Denki Tokei Co Ltd
Priority to CH1120464A priority Critical patent/CH539293A/en
Publication of CH392399A publication Critical patent/CH392399A/en

Links

Classifications

    • 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
    • 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
    • G04B17/00—Mechanisms for stabilising frequency
    • G04B17/04—Oscillators acting by spring tension
    • G04B17/045—Oscillators acting by spring tension with oscillating blade springs

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Electromechanical Clocks (AREA)
  • Electric Clocks (AREA)
CH1225762A 1961-10-21 1962-10-19 Magnetic escapement device CH392399A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CH1120464A CH539293A (en) 1961-10-21 1962-10-19 Magnetic escapement device for a timepiece

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP5215461 1961-10-21
JP3841061 1961-10-26

Publications (1)

Publication Number Publication Date
CH392399A true CH392399A (en) 1965-01-29

Family

ID=26377658

Family Applications (2)

Application Number Title Priority Date Filing Date
CH1225762A CH392399A (en) 1961-10-21 1962-10-19 Magnetic escapement device
CH1120464A CH539293A (en) 1961-10-21 1962-10-19 Magnetic escapement device for a timepiece

Family Applications After (1)

Application Number Title Priority Date Filing Date
CH1120464A CH539293A (en) 1961-10-21 1962-10-19 Magnetic escapement device for a timepiece

Country Status (3)

Country Link
CH (2) CH392399A (en)
DE (1) DE1673675B1 (en)
GB (1) GB1017765A (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE873822C (en) * 1941-12-16 1953-04-16 Reinhard Straumann Friction-free oscillating spring regulator for clockworks
DE809420C (en) * 1948-06-10 1951-07-30 Cecil Frank Clifford Magnetic lever escapement
IT517679A (en) * 1953-06-19
DE1120384B (en) * 1959-11-13 1961-12-21 Heliowatt Werke Elek Zitaets A Movement, especially for a time switch, with a magnetic escapement

Also Published As

Publication number Publication date
GB1017765A (en) 1966-01-19
CH1120464A4 (en) 1968-07-31
DE1673675B1 (en) 1970-05-27
CH539293A (en) 1973-08-31

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