FR955032A - - Google Patents
Info
- Publication number
- FR955032A FR955032A FR955032DA FR955032A FR 955032 A FR955032 A FR 955032A FR 955032D A FR955032D A FR 955032DA FR 955032 A FR955032 A FR 955032A
- 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
- G04C21/20—Producing acoustic time signals by electrical means producing the signals at adjustable fixed times by closing a contact to ring an electromechanical alarm
- G04C21/26—Producing acoustic time signals by electrical means producing the signals at adjustable fixed times by closing a contact to ring an electromechanical alarm put into action by the vibrations caused by the operation of a mechanical alarm work
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR955032A true FR955032A (xx) | 1950-01-07 |
Family
ID=1557844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR955032D Expired FR955032A (xx) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR955032A (xx) |
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0
- FR FR955032D patent/FR955032A/fr not_active Expired