NL7206659A - - Google Patents
Info
- Publication number
- NL7206659A NL7206659A NL7206659A NL7206659A NL7206659A NL 7206659 A NL7206659 A NL 7206659A NL 7206659 A NL7206659 A NL 7206659A NL 7206659 A NL7206659 A NL 7206659A NL 7206659 A NL7206659 A NL 7206659A
- Authority
- NL
- Netherlands
- Prior art keywords
- oscillator
- balance wheel
- pulses
- watch
- time base
- Prior art date
Links
- 239000010453 quartz Substances 0.000 abstract 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 3
- 239000013078 crystal Substances 0.000 abstract 2
- 230000001105 regulatory effect Effects 0.000 abstract 1
Classifications
-
- 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
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electric Clocks (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US14460171A | 1971-05-18 | 1971-05-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7206659A true NL7206659A (enrdf_load_stackoverflow) | 1972-11-21 |
Family
ID=22509309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7206659A NL7206659A (enrdf_load_stackoverflow) | 1971-05-18 | 1972-05-17 |
Country Status (11)
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1450071A (en) * | 1972-10-02 | 1976-09-22 | Citizen Watch Co Lgd | Electronic timepiece |
| FR2202318B1 (enrdf_load_stackoverflow) * | 1972-10-11 | 1976-10-29 | Hatot Leon Ets | |
| US3967442A (en) * | 1973-02-01 | 1976-07-06 | Berney Jean Claude | Electric watch having an electromechanical movement including a correction mechanism for small errors |
| US4106280A (en) * | 1975-03-27 | 1978-08-15 | Hansrichard Schulz | Method and apparatus for synchronizing a mechanical oscillating system to the accuracy of a quartz standard |
| JPS525566A (en) * | 1975-07-02 | 1977-01-17 | Citizen Watch Co Ltd | Electric clock |
| US4068462A (en) * | 1976-05-17 | 1978-01-17 | Fairchild Camera And Instrument Corporation | Frequency adjustment circuit |
| US4401977A (en) * | 1980-01-07 | 1983-08-30 | Mastiff Security Systems Limited | Radio transmitter for repeated bursts of oscillations |
| FR2521741A1 (fr) * | 1982-02-17 | 1983-08-19 | Gorgy Timing | Horloge secondaire a aiguille seconde |
| CH665082GA3 (enrdf_load_stackoverflow) * | 1986-03-26 | 1988-04-29 | ||
| US4799003A (en) * | 1987-05-28 | 1989-01-17 | Tu Xuan M | Mechanical-to-electrical energy converter |
| EP3130966B1 (fr) * | 2015-08-11 | 2018-08-01 | ETA SA Manufacture Horlogère Suisse | Mouvement d'horlogerie mecanique muni d'un systeme de retroaction du mouvement |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS42801Y1 (enrdf_load_stackoverflow) * | 1964-04-21 | 1967-01-18 | ||
| CH490710A (fr) * | 1966-02-10 | 1969-08-15 | Suisse Horlogerie | Pièce d'horlogerie électronique |
| US3451210A (en) * | 1966-07-01 | 1969-06-24 | Benrus Corp | System for maintaining oscillations in an electric timing mechanism having an oscillatory element |
| GB1205753A (en) * | 1966-09-09 | 1970-09-16 | Smiths Industries Ltd | Horological instruments incorporating electrical oscillation generators |
| US3564829A (en) * | 1967-10-19 | 1971-02-23 | Kiyohiro Tsuzuki | Apparatus and method for spinning yarn |
| JPH069145Y2 (ja) * | 1988-07-19 | 1994-03-09 | 鐘淵化学工業株式会社 | 建築物の断熱壁構造 |
-
1971
- 1971-05-18 US US00144601A patent/US3756014A/en not_active Expired - Lifetime
-
1972
- 1972-05-03 CA CA141,212A patent/CA970862A/en not_active Expired
- 1972-05-10 GB GB2196272A patent/GB1344769A/en not_active Expired
- 1972-05-10 DE DE19722222936 patent/DE2222936A1/de active Pending
- 1972-05-12 AU AU42227/72A patent/AU456330B2/en not_active Expired
- 1972-05-16 CH CH723872A patent/CH551038A/xx unknown
- 1972-05-17 IT IT50298/72A patent/IT957908B/it active
- 1972-05-17 JP JP47048279A patent/JPS5226472B1/ja active Pending
- 1972-05-17 NL NL7206659A patent/NL7206659A/xx unknown
- 1972-05-18 FR FR7217918A patent/FR2138117B1/fr not_active Expired
- 1972-05-18 BE BE783649A patent/BE783649A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR2138117A1 (enrdf_load_stackoverflow) | 1972-12-29 |
| US3756014A (en) | 1973-09-04 |
| CH723872A4 (enrdf_load_stackoverflow) | 1973-12-28 |
| FR2138117B1 (enrdf_load_stackoverflow) | 1974-12-27 |
| IT957908B (it) | 1973-10-20 |
| BE783649A (fr) | 1972-09-18 |
| AU456330B2 (en) | 1974-12-12 |
| GB1344769A (en) | 1974-01-23 |
| AU4222772A (en) | 1973-11-15 |
| CA970862A (en) | 1975-07-08 |
| CH551038A (enrdf_load_stackoverflow) | 1974-06-28 |
| JPS5226472B1 (enrdf_load_stackoverflow) | 1977-07-14 |
| DE2222936A1 (de) | 1972-11-30 |
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