FR2224873A1 - Fabrication of silica coated diffusion lamps - low cost coating with low light absorption - Google Patents
Fabrication of silica coated diffusion lamps - low cost coating with low light absorptionInfo
- Publication number
- FR2224873A1 FR2224873A1 FR7410298A FR7410298A FR2224873A1 FR 2224873 A1 FR2224873 A1 FR 2224873A1 FR 7410298 A FR7410298 A FR 7410298A FR 7410298 A FR7410298 A FR 7410298A FR 2224873 A1 FR2224873 A1 FR 2224873A1
- Authority
- FR
- France
- Prior art keywords
- light
- lamp
- red
- blue
- particles
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/28—Envelopes; Vessels
- H01K1/32—Envelopes; Vessels provided with coatings on the walls; Vessels or coatings thereon characterised by the material thereof
Landscapes
- Vessels And Coating Films For Discharge Lamps (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US34834773A | 1973-04-05 | 1973-04-05 | |
US42649373A | 1973-12-20 | 1973-12-20 | |
US426494A US3909649A (en) | 1973-04-05 | 1973-12-20 | Electric lamp with light-diffusing coating |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2224873A1 true FR2224873A1 (en) | 1974-10-31 |
FR2224873B3 FR2224873B3 (fr) | 1977-01-07 |
Family
ID=27407826
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7410298A Granted FR2224873A1 (en) | 1973-04-05 | 1974-03-26 | Fabrication of silica coated diffusion lamps - low cost coating with low light absorption |
Country Status (3)
Country | Link |
---|---|
AR (1) | AR204318A1 (fr) |
BR (1) | BR7402759D0 (fr) |
FR (1) | FR2224873A1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4099080A (en) * | 1977-03-31 | 1978-07-04 | Westinghouse Electric Corp. | Incandescent lamp with improved coating and method |
-
1974
- 1974-01-01 AR AR25313274A patent/AR204318A1/es active
- 1974-03-26 FR FR7410298A patent/FR2224873A1/fr active Granted
- 1974-04-05 BR BR275974A patent/BR7402759D0/pt unknown
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4099080A (en) * | 1977-03-31 | 1978-07-04 | Westinghouse Electric Corp. | Incandescent lamp with improved coating and method |
Also Published As
Publication number | Publication date |
---|---|
FR2224873B3 (fr) | 1977-01-07 |
BR7402759D0 (pt) | 1974-11-05 |
AR204318A1 (es) | 1975-12-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |