CH612819B - Dispositif de controle de la haute frequence de la base de temps d'une piece d'horlogerie a cristal de quartz. - Google Patents
Dispositif de controle de la haute frequence de la base de temps d'une piece d'horlogerie a cristal de quartz.Info
- Publication number
- CH612819B CH612819B CH191072A CH191072A CH612819B CH 612819 B CH612819 B CH 612819B CH 191072 A CH191072 A CH 191072A CH 191072 A CH191072 A CH 191072A CH 612819 B CH612819 B CH 612819B
- Authority
- CH
- Switzerland
- Prior art keywords
- quartz crystal
- monitoring
- high frequency
- time base
- watch part
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G04—HOROLOGY
- G04D—APPARATUS OR TOOLS SPECIALLY DESIGNED FOR MAKING OR MAINTAINING CLOCKS OR WATCHES
- G04D7/00—Measuring, counting, calibrating, testing or regulating apparatus
- G04D7/12—Timing devices for clocks or watches for comparing the rate of the oscillating member with a standard
-
- G—PHYSICS
- G04—HOROLOGY
- G04F—TIME-INTERVAL MEASURING
- G04F10/00—Apparatus for measuring unknown time intervals by electric means
- G04F10/04—Apparatus for measuring unknown time intervals by electric means by counting pulses or half-cycles of an ac
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Electric Clocks (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
- Laminated Bodies (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Oscillators With Electromechanical Resonators (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP521871 | 1971-02-10 |
Publications (2)
Publication Number | Publication Date |
---|---|
CH612819B true CH612819B (fr) | |
CH612819GA3 CH612819GA3 (fr) | 1979-08-31 |
Family
ID=11605038
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH191072A CH612819B (fr) | 1971-02-10 | 1972-02-10 | Dispositif de controle de la haute frequence de la base de temps d'une piece d'horlogerie a cristal de quartz. |
Country Status (5)
Country | Link |
---|---|
US (1) | US3864957A (fr) |
CH (1) | CH612819B (fr) |
FR (1) | FR2124549B1 (fr) |
GB (1) | GB1352082A (fr) |
HK (1) | HK40776A (fr) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5188257A (en) * | 1975-01-31 | 1976-08-02 | Denshidokeino kankyuchoseisochi | |
CH624540B (fr) * | 1978-11-24 | Ebauches Sa | Dispositif de mesure de la marche d'une piece d'horlogerie electronique. | |
EP2458458B1 (fr) * | 2010-11-26 | 2017-11-15 | The Swatch Group Research and Development Ltd. | Procédé de mesure de la précision d'une montre mécanique |
EP2872952A1 (fr) * | 2012-07-13 | 2015-05-20 | Sicpa Holding SA | Procédé d'authentification d'un compteur de temps |
TW201415023A (zh) | 2012-07-13 | 2014-04-16 | Sicpa Holding Sa | 用於鑑定計時器真僞的方法 |
AR091742A1 (es) | 2012-07-13 | 2015-02-25 | Sicpa Holding Sa | Metodo para autenticar un reloj |
US20150053006A1 (en) * | 2013-08-23 | 2015-02-26 | Sicpa Holding Sa | Method and system for authenticating using a quartz oscillator |
CN107479357A (zh) * | 2017-08-14 | 2017-12-15 | 江苏大利邦精密制造有限公司 | 一种钟表智能测试仪 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2377349A (en) * | 1943-07-24 | 1945-06-05 | Bell Telephone Labor Inc | Vibration analyzer |
CH289121A (fr) * | 1951-04-05 | 1953-02-28 | Electronic S A | Dispositif de contrôle de la marche d'une montre. |
CH1143562A4 (fr) * | 1962-09-29 | 1963-12-31 | ||
US3345862A (en) * | 1964-01-21 | 1967-10-10 | Robert G Rowe | Resonance vibration apparatus for testing articles |
US3370456A (en) * | 1966-02-18 | 1968-02-27 | Portescan Le Porte Echanpement | Timepiece testing apparatus |
US3540207A (en) * | 1968-09-20 | 1970-11-17 | Timex Corp | Electronic watch counting circuit |
-
1972
- 1972-01-17 GB GB213272A patent/GB1352082A/en not_active Expired
- 1972-02-08 FR FR7204092A patent/FR2124549B1/fr not_active Expired
- 1972-02-09 US US224722A patent/US3864957A/en not_active Expired - Lifetime
- 1972-02-10 CH CH191072A patent/CH612819B/fr unknown
-
1976
- 1976-06-30 HK HK407/76*UA patent/HK40776A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
CH612819GA3 (fr) | 1979-08-31 |
DE2206341A1 (de) | 1972-08-17 |
DE2206341B2 (de) | 1977-02-03 |
HK40776A (en) | 1976-07-09 |
US3864957A (en) | 1975-02-11 |
FR2124549B1 (fr) | 1977-01-14 |
GB1352082A (en) | 1974-05-15 |
FR2124549A1 (fr) | 1972-09-22 |
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