FR949981A - Lampe de chevet indiquant l'heure par projection - Google Patents
Lampe de chevet indiquant l'heure par projectionInfo
- Publication number
- FR949981A FR949981A FR949981DA FR949981A FR 949981 A FR949981 A FR 949981A FR 949981D A FR949981D A FR 949981DA FR 949981 A FR949981 A FR 949981A
- Authority
- FR
- France
- Prior art keywords
- projection
- time
- bedside lamp
- lamp showing
- showing
- 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
- 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
- G04B19/34—Position of the hands projected optically
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR949981T | 1947-03-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR949981A true FR949981A (fr) | 1949-09-14 |
Family
ID=9474827
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR949981D Expired FR949981A (fr) | 1947-03-29 | 1947-03-29 | Lampe de chevet indiquant l'heure par projection |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR949981A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0024937A2 (fr) * | 1979-09-01 | 1981-03-11 | James Goodchild | Horloge à face rectangulaire |
-
1947
- 1947-03-29 FR FR949981D patent/FR949981A/fr not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0024937A2 (fr) * | 1979-09-01 | 1981-03-11 | James Goodchild | Horloge à face rectangulaire |
EP0024937A3 (fr) * | 1979-09-01 | 1981-07-15 | James Goodchild | Horloge à face rectangulaire |
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