[go: up one dir, main page]

FR1408872A - Device for protecting watches against magnetic fields - Google Patents

Device for protecting watches against magnetic fields

Info

Publication number
FR1408872A
FR1408872A FR981110A FR981110A FR1408872A FR 1408872 A FR1408872 A FR 1408872A FR 981110 A FR981110 A FR 981110A FR 981110 A FR981110 A FR 981110A FR 1408872 A FR1408872 A FR 1408872A
Authority
FR
France
Prior art keywords
magnetic fields
against magnetic
watches
protecting
protecting watches
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
FR981110A
Other languages
French (fr)
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.)
LIP SA
Original Assignee
LIP SA
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 LIP SA filed Critical LIP SA
Priority to FR981110A priority Critical patent/FR1408872A/en
Priority to CH718465D priority patent/CH718465A4/en
Application granted granted Critical
Publication of FR1408872A publication Critical patent/FR1408872A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G04B37/00—Cases
    • G04B37/08—Hermetic sealing of openings, joints, passages or slits
    • G04B37/084—Complete encasings for wrist or pocket watches without means for hermetic sealing of winding stem or crown
    • 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
    • G04B43/00—Protecting clockworks by shields or other means against external influences, e.g. magnetic fields

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR981110A 1964-07-08 1964-07-08 Device for protecting watches against magnetic fields Expired FR1408872A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR981110A FR1408872A (en) 1964-07-08 1964-07-08 Device for protecting watches against magnetic fields
CH718465D CH718465A4 (en) 1964-07-08 1965-05-20 Watch case intended to protect the movement against external magnetic fields

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR981110A FR1408872A (en) 1964-07-08 1964-07-08 Device for protecting watches against magnetic fields

Publications (1)

Publication Number Publication Date
FR1408872A true FR1408872A (en) 1965-08-20

Family

ID=8834173

Family Applications (1)

Application Number Title Priority Date Filing Date
FR981110A Expired FR1408872A (en) 1964-07-08 1964-07-08 Device for protecting watches against magnetic fields

Country Status (2)

Country Link
CH (1) CH718465A4 (en)
FR (1) FR1408872A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4188778A (en) * 1978-07-14 1980-02-19 Timex Corporation Caseback with noncircular, multilobed snap-fit surface
EP2287683A1 (en) 2009-08-17 2011-02-23 The Swatch Group Research and Development Ltd. Magnetischer Schutz für eine Spiralfeder einer Uhr
EP2466396A1 (en) 2010-12-15 2012-06-20 The Swatch Group Research and Development Ltd. Magnetic shield for a spiral of a timepiece

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4188778A (en) * 1978-07-14 1980-02-19 Timex Corporation Caseback with noncircular, multilobed snap-fit surface
EP2287683A1 (en) 2009-08-17 2011-02-23 The Swatch Group Research and Development Ltd. Magnetischer Schutz für eine Spiralfeder einer Uhr
EP2466396A1 (en) 2010-12-15 2012-06-20 The Swatch Group Research and Development Ltd. Magnetic shield for a spiral of a timepiece
WO2012080021A1 (en) 2010-12-15 2012-06-21 The Swatch Group Research And Development Ltd Magnetic screening for timepiece hairspring
US9494921B2 (en) 2010-12-15 2016-11-15 The Swatch Group Research And Development Ltd Magnetic shielding for timepiece balance spring
EP2652560B1 (en) * 2010-12-15 2019-11-13 The Swatch Group Research and Development Ltd. Magnetic screening for timepiece hairspring

Also Published As

Publication number Publication date
CH718465A4 (en) 1967-08-31

Similar Documents

Publication Publication Date Title
FR1456329A (en) Coil handling device
FR1408872A (en) Device for protecting watches against magnetic fields
FR1300021A (en) Protection device
CH437634A (en) Protective glasses
FR1461006A (en) Surge protection device
FR1411457A (en) Protective device especially for bicycles
FR1392671A (en) Protection device against overheating of electrical circuits
FR1256489A (en) Short circuit protection device
FR1409807A (en) Surge protection device
FI42230C (en) Neutron protection device
FR1423879A (en) Fall protection device
FR1448807A (en) Distribution panel completely closed, non-magnetic and protected against sparks
FR1371453A (en) Device for measuring magnetic fields
FR83047E (en) Fault current protection device
FR1424135A (en) Magnetic decision device
FR1418042A (en) Ionization gauge protection device
FR91212E (en) Surge protection device
FR89717E (en) Surge protection device
FR1390392A (en) Pipe protection device
FR93682E (en) Surge protection device.
FR1380292A (en) Protection valve
FR1391373A (en) Radiation protection device
FR1301965A (en) Magnetic purifier device
FR1423956A (en) Magnetic breaking device
FR1269661A (en) Burglar protection device