FR987840A - Magnetic escape mechanism for horological instruments such as clocks, alarm clocks, etc. - Google Patents

Magnetic escape mechanism for horological instruments such as clocks, alarm clocks, etc.

Info

Publication number
FR987840A
FR987840A FR987840DA FR987840A FR 987840 A FR987840 A FR 987840A FR 987840D A FR987840D A FR 987840DA FR 987840 A FR987840 A FR 987840A
Authority
FR
France
Prior art keywords
clocks
escape mechanism
alarm
magnetic escape
horological instruments
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
Other languages
French (fr)
Inventor
Cecil Frank Clifford
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.)
Horstmann Clifford Magnetics Ltd
Original Assignee
Horstmann Clifford Magnetics 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 Horstmann Clifford Magnetics Ltd filed Critical Horstmann Clifford Magnetics Ltd
Application granted granted Critical
Publication of FR987840A publication Critical patent/FR987840A/en
Expired legal-status Critical Current

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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
FR987840D 1948-06-10 1949-06-07 Magnetic escape mechanism for horological instruments such as clocks, alarm clocks, etc. Expired FR987840A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB987840X 1948-06-10

Publications (1)

Publication Number Publication Date
FR987840A true FR987840A (en) 1951-08-20

Family

ID=10845409

Family Applications (1)

Application Number Title Priority Date Filing Date
FR987840D Expired FR987840A (en) 1948-06-10 1949-06-07 Magnetic escape mechanism for horological instruments such as clocks, alarm clocks, etc.

Country Status (1)

Country Link
FR (1) FR987840A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2750730A (en) * 1952-03-20 1956-06-19 Ingraham E Co Shock and vibration proof oscillator
FR2132162A1 (en) * 1971-03-30 1972-11-17 Horstmann Magnetics Ltd
EP2887156A1 (en) * 2013-12-23 2015-06-24 The Swatch Group Research and Development Ltd. Regulator device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2750730A (en) * 1952-03-20 1956-06-19 Ingraham E Co Shock and vibration proof oscillator
FR2132162A1 (en) * 1971-03-30 1972-11-17 Horstmann Magnetics Ltd
EP2887156A1 (en) * 2013-12-23 2015-06-24 The Swatch Group Research and Development Ltd. Regulator device
US9389591B2 (en) 2013-12-23 2016-07-12 The Swatch Group Research And Development Ltd Regulating device

Similar Documents

Publication Publication Date Title
FR987840A (en) Magnetic escape mechanism for horological instruments such as clocks, alarm clocks, etc.
CH260123A (en) Timepiece dial.
FR1025649A (en) Mechanism for the rapid control of a contactor-circuit breaker
FR890586A (en) Time dial for clockwork mechanism
FR1252566A (en) Disinfection device, especially for operating room
CH281193A (en) Clockwork bearing.
CH275661A (en) Dispositif de commande pour véhicule à moteur.
FR1044957A (en) Silent escape mechanism for clockwork movement
CH278368A (en) Silent snap-in device.
CH281191A (en) Bearing for watchmaking mobile pivot.
CH281188A (en) Anchor for clockwork movement.
FR1102709A (en) Bearing for clockwork mechanism
CH291958A (en) Alarm device.
CH273741A (en) Alarm clock.
FR1027450A (en) Case for clockwork, control instruments or similar applications
FR998908A (en) Dead second mechanism for clockwork movement
CH296721A (en) Time-setting mechanism.
FR1007380A (en) Alarm clock cut-off mechanism
FR1078257A (en) Waterproof case, especially for watches or precision instruments
FR954275A (en) Improvements to watch movements such as alarm clocks
CH273736A (en) Clockwork movement.
FR979865A (en) Direction indication signs
FR979261A (en) Interchangeable case for wristwatch
FR1049135A (en) Striking mechanism for clocks or alarm clock
CH273742A (en) Universal timepiece.