FR2120019A3 - - Google Patents
Info
- Publication number
- FR2120019A3 FR2120019A3 FR7146709A FR7146709A FR2120019A3 FR 2120019 A3 FR2120019 A3 FR 2120019A3 FR 7146709 A FR7146709 A FR 7146709A FR 7146709 A FR7146709 A FR 7146709A FR 2120019 A3 FR2120019 A3 FR 2120019A3
- Authority
- FR
- France
- 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.)
- Granted
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
- 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
- G04C3/067—Driving circuits with distinct detecting and driving coils
- G04C3/068—Driving circuits with distinct detecting and driving coils provided with automatic control
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- General Physics & Mathematics (AREA)
- Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
- Dc-Dc Converters (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19702063956 DE2063956A1 (de) | 1970-12-28 | 1970-12-28 | Elektronische Schaltung zum Konstant halten der Schwingungsamphtude eines mechanischen Schwingsystems |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2120019A3 true FR2120019A3 (show.php) | 1972-08-11 |
| FR2120019B3 FR2120019B3 (show.php) | 1974-08-30 |
Family
ID=5792279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7146709A Expired FR2120019B3 (show.php) | 1970-12-28 | 1971-12-27 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3805132A (show.php) |
| DE (1) | DE2063956A1 (show.php) |
| FR (1) | FR2120019B3 (show.php) |
| IT (1) | IT944140B (show.php) |
-
1970
- 1970-12-28 DE DE19702063956 patent/DE2063956A1/de active Pending
-
1971
- 1971-12-20 IT IT32631/71A patent/IT944140B/it active
- 1971-12-22 US US00210965A patent/US3805132A/en not_active Expired - Lifetime
- 1971-12-27 FR FR7146709A patent/FR2120019B3/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2120019B3 (show.php) | 1974-08-30 |
| IT944140B (it) | 1973-04-20 |
| DE2063956A1 (de) | 1972-07-13 |
| US3805132A (en) | 1974-04-16 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |