FR644005A - éclairage par diffusion pour pendulettes, réveils, etc. - Google Patents
éclairage par diffusion pour pendulettes, réveils, etc.Info
- Publication number
- FR644005A FR644005A FR644005DA FR644005A FR 644005 A FR644005 A FR 644005A FR 644005D A FR644005D A FR 644005DA FR 644005 A FR644005 A FR 644005A
- Authority
- FR
- France
- Prior art keywords
- clocks
- alarm
- diffusion lighting
- lighting
- diffusion
- 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
- 238000009792 diffusion process Methods 0.000 title 1
Classifications
-
- 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
- G04B19/00—Indicating the time by visual means
- G04B19/30—Illumination of dials or hands
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR644005T | 1927-11-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR644005A true FR644005A (fr) | 1928-10-01 |
Family
ID=8999845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR644005D Expired FR644005A (fr) | 1927-11-09 | 1927-11-09 | éclairage par diffusion pour pendulettes, réveils, etc. |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR644005A (fr) |
-
1927
- 1927-11-09 FR FR644005D patent/FR644005A/fr not_active Expired
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