DE2448348A1 - Gluehlampe mit hohem wirkungsgrad - Google Patents
Gluehlampe mit hohem wirkungsgradInfo
- Publication number
- DE2448348A1 DE2448348A1 DE19742448348 DE2448348A DE2448348A1 DE 2448348 A1 DE2448348 A1 DE 2448348A1 DE 19742448348 DE19742448348 DE 19742448348 DE 2448348 A DE2448348 A DE 2448348A DE 2448348 A1 DE2448348 A1 DE 2448348A1
- Authority
- DE
- Germany
- Prior art keywords
- coating
- filament
- diameter
- glass bulb
- incandescent lamp
- 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.)
- Ceased
Links
- 238000000576 coating method Methods 0.000 title claims abstract description 27
- 239000011248 coating agent Substances 0.000 title claims abstract description 21
- 230000005855 radiation Effects 0.000 title claims abstract description 18
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229910052721 tungsten Inorganic materials 0.000 claims abstract description 9
- 239000010937 tungsten Substances 0.000 claims abstract description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000011521 glass Substances 0.000 claims description 9
- 238000002310 reflectometry Methods 0.000 claims description 3
- 230000001154 acute effect Effects 0.000 claims 1
- 238000001429 visible spectrum Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 241000207961 Sesamum Species 0.000 description 1
- 235000003434 Sesamum indicum Nutrition 0.000 description 1
- 229910020442 SiO2—TiO2 Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K5/00—Lamps for general lighting
- H01K5/02—Lamps for general lighting with connections made at opposite ends, e.g. tubular lamp with axially arranged filament
Landscapes
- Optical Filters (AREA)
- Resistance Heating (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US41091473A | 1973-10-23 | 1973-10-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2448348A1 true DE2448348A1 (de) | 1975-04-24 |
Family
ID=23626762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19742448348 Ceased DE2448348A1 (de) | 1973-10-23 | 1974-10-10 | Gluehlampe mit hohem wirkungsgrad |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPS5073468A (enExample) |
| CA (1) | CA1013804A (enExample) |
| DE (1) | DE2448348A1 (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1881518A1 (en) * | 2006-07-20 | 2008-01-23 | Flowil International Lighting (Holding) B.V. | Incandescent lamp |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4160929A (en) * | 1977-03-25 | 1979-07-10 | Duro-Test Corporation | Incandescent light source with transparent heat mirror |
| JPS5478877A (en) * | 1977-12-06 | 1979-06-23 | Toshiba Corp | Incandescent lamp |
| CA1177704A (en) * | 1981-07-20 | 1984-11-13 | James D. Rancourt | Optical coatings for high temperature applications |
| JPH06100687B2 (ja) * | 1983-08-22 | 1994-12-12 | 東芝ライテック株式会社 | 管 球 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3188513A (en) * | 1963-04-10 | 1965-06-08 | Gen Electric | Optical filters and lamps embodying the same |
| US3288989A (en) * | 1964-03-20 | 1966-11-29 | George D Cooper | Light unit |
-
1974
- 1974-09-11 CA CA208,934A patent/CA1013804A/en not_active Expired
- 1974-10-10 DE DE19742448348 patent/DE2448348A1/de not_active Ceased
- 1974-10-23 JP JP12156974A patent/JPS5073468A/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3188513A (en) * | 1963-04-10 | 1965-06-08 | Gen Electric | Optical filters and lamps embodying the same |
| US3288989A (en) * | 1964-03-20 | 1966-11-29 | George D Cooper | Light unit |
Non-Patent Citations (1)
| Title |
|---|
| DE-PA W213842h (bekanntgemacht am 17. Dez. 1953) * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1881518A1 (en) * | 2006-07-20 | 2008-01-23 | Flowil International Lighting (Holding) B.V. | Incandescent lamp |
Also Published As
| Publication number | Publication date |
|---|---|
| CA1013804A (en) | 1977-07-12 |
| JPS5073468A (enExample) | 1975-06-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OD | Request for examination | ||
| OGA | New person/name/address of the applicant | ||
| 8128 | New person/name/address of the agent |
Representative=s name: LEMKE, J., DIPL.-ING., PAT.-ANW., 8900 AUGSBURG |
|
| 8131 | Rejection |