BE781676A - Montre electrique a contact synchronise - Google Patents
Montre electrique a contact synchroniseInfo
- Publication number
- BE781676A BE781676A BE781676A BE781676A BE781676A BE 781676 A BE781676 A BE 781676A BE 781676 A BE781676 A BE 781676A BE 781676 A BE781676 A BE 781676A BE 781676 A BE781676 A BE 781676A
- Authority
- BE
- Belgium
- Prior art keywords
- electric
- synchronized contact
- watch
- contact watch
- synchronized
- Prior art date
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
- G04C3/04—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 balance
- G04C3/06—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 balance using electromagnetic coupling between electric power source and balance
-
- G—PHYSICS
- G04—HOROLOGY
- G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
- G04C11/00—Synchronisation of independently-driven clocks
- G04C11/08—Synchronisation of independently-driven clocks using an electro-magnet or-motor for oscillation correction
- G04C11/081—Synchronisation of independently-driven clocks using an electro-magnet or-motor for oscillation correction using an electro-magnet
- G04C11/084—Synchronisation of independently-driven clocks using an electro-magnet or-motor for oscillation correction using an electro-magnet acting on the balance
-
- G—PHYSICS
- G04—HOROLOGY
- G04F—TIME-INTERVAL MEASURING
- G04F5/00—Apparatus for producing preselected time intervals for use as timing standards
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- Electric Clocks (AREA)
- Electromechanical Clocks (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13123771A | 1971-04-05 | 1971-04-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE781676A true BE781676A (fr) | 1972-10-05 |
Family
ID=22448547
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE781676A BE781676A (fr) | 1971-04-05 | 1972-04-05 | Montre electrique a contact synchronise |
Country Status (13)
Country | Link |
---|---|
US (1) | US3699762A (fr) |
JP (1) | JPS5219976B1 (fr) |
AU (1) | AU452762B2 (fr) |
BE (1) | BE781676A (fr) |
CA (1) | CA957515A (fr) |
CH (2) | CH493572A4 (fr) |
DE (1) | DE2216406B2 (fr) |
FR (1) | FR2132465B1 (fr) |
GB (1) | GB1366251A (fr) |
IT (1) | IT960861B (fr) |
NL (1) | NL7204529A (fr) |
NO (1) | NO133468C (fr) |
SE (1) | SE388949B (fr) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5319944B2 (fr) * | 1971-09-25 | 1978-06-23 | ||
DE2302884C3 (de) * | 1973-01-20 | 1975-06-19 | Bifora-Uhren J. Bidlingmaier Gmbh, 7070 Schwaebisch Gmuend | Kontaktgesteuerte elektrische Kleinuhr |
GB1467248A (en) * | 1973-07-30 | 1977-03-16 | Horstmann Magnetics Ltd | Electric motors |
US3978652A (en) * | 1975-06-19 | 1976-09-07 | Timex Corporation | Formed contact spring for electro-mechanical watches |
JPS5345575A (en) * | 1976-10-06 | 1978-04-24 | Seiko Epson Corp | Electronic wristwatch |
DE3508637C1 (de) * | 1985-03-11 | 1986-06-12 | Joseph Kieninger Uhrenfabrik GmbH, 7209 Aldingen | Grossuhr mit mechanischem Antrieb |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2424833A (en) * | 1944-10-18 | 1947-07-29 | Rca Corp | Frequency comparison and control circuit |
US3309590A (en) * | 1961-03-31 | 1967-03-14 | Reich Robert Walter | Magnetic impelling system for mechanical oscillators |
US3167906A (en) * | 1962-08-31 | 1965-02-02 | Kokusai Electric Co Ltd | Timekeeper corrected by electric time signals |
US3212252A (en) * | 1963-06-04 | 1965-10-19 | Citizen Watch Co Ltd | Vibratory motor and controlled circuit for a small timepiece |
US3292064A (en) * | 1964-03-16 | 1966-12-13 | Gen Electric | Frequency regulated chronometer |
US3282042A (en) * | 1964-09-10 | 1966-11-01 | Bulova Watch Co Inc | Crystal controlled chronometer |
US3407344A (en) * | 1964-09-26 | 1968-10-22 | Shigeru Kakubari | Electronic timekeeper |
US3451210A (en) * | 1966-07-01 | 1969-06-24 | Benrus Corp | System for maintaining oscillations in an electric timing mechanism having an oscillatory element |
-
1971
- 1971-04-05 US US131237A patent/US3699762A/en not_active Expired - Lifetime
-
1972
- 1972-04-04 CH CH493572D patent/CH493572A4/xx unknown
- 1972-04-04 CH CH493572A patent/CH548637A/xx unknown
- 1972-04-04 NO NO1112/72A patent/NO133468C/no unknown
- 1972-04-04 SE SE7204324A patent/SE388949B/xx unknown
- 1972-04-05 BE BE781676A patent/BE781676A/fr unknown
- 1972-04-05 JP JP47033549A patent/JPS5219976B1/ja active Pending
- 1972-04-05 DE DE2216406A patent/DE2216406B2/de not_active Ceased
- 1972-04-05 IT IT89531/72A patent/IT960861B/it active
- 1972-04-05 CA CA138,925A patent/CA957515A/en not_active Expired
- 1972-04-05 FR FR7211967A patent/FR2132465B1/fr not_active Expired
- 1972-04-05 AU AU40794/72A patent/AU452762B2/en not_active Expired
- 1972-04-05 GB GB1573972A patent/GB1366251A/en not_active Expired
- 1972-04-05 NL NL7204529A patent/NL7204529A/xx not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
NO133468C (fr) | 1976-05-05 |
DE2216406B2 (de) | 1974-06-12 |
GB1366251A (en) | 1974-09-11 |
FR2132465B1 (fr) | 1977-01-14 |
FR2132465A1 (fr) | 1972-11-17 |
JPS5219976B1 (fr) | 1977-05-31 |
DE2216406A1 (de) | 1972-10-19 |
SE388949B (sv) | 1976-10-18 |
NO133468B (fr) | 1976-01-26 |
AU452762B2 (en) | 1974-08-23 |
AU4079472A (en) | 1973-10-11 |
US3699762A (en) | 1972-10-24 |
NL7204529A (fr) | 1972-10-09 |
CH493572A4 (fr) | 1973-11-15 |
IT960861B (it) | 1973-11-30 |
CH548637A (fr) | 1974-04-30 |
CA957515A (en) | 1974-11-12 |
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