FR740948A - - Google Patents
Info
- Publication number
- FR740948A FR740948A FR740948DA FR740948A FR 740948 A FR740948 A FR 740948A FR 740948D A FR740948D A FR 740948DA FR 740948 A FR740948 A FR 740948A
- 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
-
- G—PHYSICS
- G04—HOROLOGY
- G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
- G04C21/00—Producing acoustic time signals by electrical means
- G04C21/16—Producing acoustic time signals by electrical means producing the signals at adjustable fixed times
- G04C21/18—Producing acoustic time signals by electrical means producing the signals at adjustable fixed times by mechanically unlocking an electromechanical vibrator, e.g. actuated by the leakage flux of the electric driving means
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR740948A true FR740948A (de) | 1933-02-03 |
Family
ID=1545552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR740948D Expired FR740948A (de) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR740948A (de) |
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0
- FR FR740948D patent/FR740948A/fr not_active Expired