FR312888A - - Google Patents
Info
- Publication number
- FR312888A FR312888A FR312888DA FR312888A FR 312888 A FR312888 A FR 312888A FR 312888D A FR312888D A FR 312888DA FR 312888 A FR312888 A FR 312888A
- 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.)
- Active
Links
Classifications
-
- G—PHYSICS
- G04—HOROLOGY
- G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
- G04C21/00—Producing acoustic time signals by electrical means
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- G—PHYSICS
- G04—HOROLOGY
- G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
- G04B21/00—Indicating the time by acoustic means
- G04B21/005—Periodical acoustic signalling arrangements
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR312888T | 1901-07-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR312888A true FR312888A (ref) |
Family
ID=32922402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR312888D Active FR312888A (ref) | 1901-07-22 | 1901-07-22 |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR312888A (ref) |
-
1901
- 1901-07-22 FR FR312888D patent/FR312888A/fr active Active