FR2153482B1 - - Google Patents
Info
- Publication number
- FR2153482B1 FR2153482B1 FR7234274A FR7234274A FR2153482B1 FR 2153482 B1 FR2153482 B1 FR 2153482B1 FR 7234274 A FR7234274 A FR 7234274A FR 7234274 A FR7234274 A FR 7234274A FR 2153482 B1 FR2153482 B1 FR 2153482B1
- Authority
- FR
- France
- Prior art keywords
- resonator
- oscillation
- induction coil
- pulse train
- alternation
- 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
Links
- 230000006698 induction Effects 0.000 abstract 2
- 238000012423 maintenance Methods 0.000 abstract 2
- 230000010355 oscillation Effects 0.000 abstract 2
- 230000005540 biological transmission Effects 0.000 abstract 1
- 230000010358 mechanical oscillation Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 230000001846 repelling effect Effects 0.000 abstract 1
- 230000000284 resting effect Effects 0.000 abstract 1
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
- G04C3/065—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 the balance controlling gear-train by means of static switches, e.g. transistor circuits
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
- Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
- Electric Clocks (AREA)
- Oscillators With Electromechanical Resonators (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1397571A CH612317GA3 (OSRAM) | 1971-09-24 | 1971-09-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2153482A1 FR2153482A1 (OSRAM) | 1973-05-04 |
| FR2153482B1 true FR2153482B1 (OSRAM) | 1976-03-12 |
Family
ID=4396883
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7234274A Expired FR2153482B1 (OSRAM) | 1971-09-24 | 1972-09-22 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3805179A (OSRAM) |
| JP (1) | JPS4850758A (OSRAM) |
| CH (1) | CH612317GA3 (OSRAM) |
| FR (1) | FR2153482B1 (OSRAM) |
| GB (1) | GB1371583A (OSRAM) |
| IT (1) | IT1007527B (OSRAM) |
| SU (1) | SU431693A3 (OSRAM) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2309291A1 (de) * | 1973-02-24 | 1974-08-29 | Itt Ind Gmbh Deutsche | Verfahren zum synchronisieren mechanischer schwinger von gebrauchsuhren |
| CN116799485B (zh) * | 2023-06-09 | 2024-02-20 | 武汉理工大学 | 一种超低频天线系统 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL202874A (OSRAM) * | 1954-12-16 | |||
| GB1205753A (en) * | 1966-09-09 | 1970-09-16 | Smiths Industries Ltd | Horological instruments incorporating electrical oscillation generators |
-
1971
- 1971-09-24 CH CH1397571A patent/CH612317GA3/xx unknown
-
1972
- 1972-09-15 IT IT29215/72A patent/IT1007527B/it active
- 1972-09-22 FR FR7234274A patent/FR2153482B1/fr not_active Expired
- 1972-09-22 JP JP47094660A patent/JPS4850758A/ja active Pending
- 1972-09-22 SU SU1832845A patent/SU431693A3/ru active
- 1972-09-25 GB GB4416772A patent/GB1371583A/en not_active Expired
- 1972-09-25 US US00292166A patent/US3805179A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS4850758A (OSRAM) | 1973-07-17 |
| FR2153482A1 (OSRAM) | 1973-05-04 |
| SU431693A3 (OSRAM) | 1974-06-05 |
| DE2245644B2 (de) | 1976-04-15 |
| DE2245644A1 (de) | 1973-03-29 |
| IT1007527B (it) | 1976-10-30 |
| US3805179A (en) | 1974-04-16 |
| GB1371583A (en) | 1974-10-23 |
| CH612317GA3 (OSRAM) | 1979-07-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |