FR1136615A - Light item - Google Patents
Light itemInfo
- Publication number
- FR1136615A FR1136615A FR1136615DA FR1136615A FR 1136615 A FR1136615 A FR 1136615A FR 1136615D A FR1136615D A FR 1136615DA FR 1136615 A FR1136615 A FR 1136615A
- Authority
- FR
- France
- Prior art keywords
- light item
- item
- light
- 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
- G04B19/30—Illumination of dials or hands
- G04B19/32—Illumination of dials or hands by luminescent substances
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
- F21V9/30—Elements containing photoluminescent material distinct from or spaced from the light source
- F21V9/32—Elements containing photoluminescent material distinct from or spaced from the light source characterised by the arrangement of the photoluminescent material
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH1136615X | 1955-03-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1136615A true FR1136615A (en) | 1957-05-16 |
Family
ID=4559466
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1136615D Expired FR1136615A (en) | 1955-03-11 | 1955-11-29 | Light item |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1136615A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2472340B1 (en) * | 2011-01-03 | 2021-03-03 | Patek Philippe SA Genève | Timepiece component and method for manufacturing same |
-
1955
- 1955-11-29 FR FR1136615D patent/FR1136615A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2472340B1 (en) * | 2011-01-03 | 2021-03-03 | Patek Philippe SA Genève | Timepiece component and method for manufacturing same |
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