FR1030300A - Horloge-minuterie - Google Patents
Horloge-minuterieInfo
- Publication number
- FR1030300A FR1030300A FR1030300DA FR1030300A FR 1030300 A FR1030300 A FR 1030300A FR 1030300D A FR1030300D A FR 1030300DA FR 1030300 A FR1030300 A FR 1030300A
- Authority
- FR
- France
- Prior art keywords
- timer
- clock
- 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
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
- G04C21/30—Producing acoustic time signals by electrical means producing the signals at adjustable fixed times with provision for a number of operations at different times, e.g. ringing the bells in a school
- G04C21/305—Producing acoustic time signals by electrical means producing the signals at adjustable fixed times with provision for a number of operations at different times, e.g. ringing the bells in a school by the hand(s) or handlike members closing the contacts
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1030300T | 1950-12-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR1030300A true FR1030300A (fr) | 1953-06-11 |
Family
ID=9582413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR1030300D Expired FR1030300A (fr) | 1950-12-29 | 1950-12-29 | Horloge-minuterie |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR1030300A (fr) |
-
1950
- 1950-12-29 FR FR1030300D patent/FR1030300A/fr not_active Expired
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