FR2224920B1 - - Google Patents
Info
- Publication number
- FR2224920B1 FR2224920B1 FR7312603A FR7312603A FR2224920B1 FR 2224920 B1 FR2224920 B1 FR 2224920B1 FR 7312603 A FR7312603 A FR 7312603A FR 7312603 A FR7312603 A FR 7312603A FR 2224920 B1 FR2224920 B1 FR 2224920B1
- 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.)
- Expired
Links
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K33/00—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system
- H02K33/18—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with coil systems moving upon intermittent or reversed energisation thereof by interaction with a fixed field system, e.g. permanent magnets
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- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/06—Means for converting reciprocating motion into rotary motion or vice versa
- H02K7/065—Electromechanical oscillators; Vibrating magnetic drives
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromechanical Clocks (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7312603A FR2224920A1 (en) | 1973-04-09 | 1973-04-09 | Electromagnetic watch movement - permanent magnet and core-free coil drive escapement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7312603A FR2224920A1 (en) | 1973-04-09 | 1973-04-09 | Electromagnetic watch movement - permanent magnet and core-free coil drive escapement |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2224920A1 FR2224920A1 (en) | 1974-10-31 |
| FR2224920B1 true FR2224920B1 (fi) | 1977-02-04 |
Family
ID=9117598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7312603A Granted FR2224920A1 (en) | 1973-04-09 | 1973-04-09 | Electromagnetic watch movement - permanent magnet and core-free coil drive escapement |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2224920A1 (fi) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3618010A1 (de) * | 1986-05-28 | 1987-12-03 | Hengstler Kg | Elektromagnetischer antrieb fuer ein zaehlwerk mit eisenlosen schwingspulen |
| JPS63167658A (ja) * | 1986-12-27 | 1988-07-11 | Toshiba Corp | コイル可動形駆動装置 |
-
1973
- 1973-04-09 FR FR7312603A patent/FR2224920A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2224920A1 (en) | 1974-10-31 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |