NL7908253A - Koplamp met afgeschermde lampcapsule. - Google Patents
Koplamp met afgeschermde lampcapsule. Download PDFInfo
- Publication number
- NL7908253A NL7908253A NL7908253A NL7908253A NL7908253A NL 7908253 A NL7908253 A NL 7908253A NL 7908253 A NL7908253 A NL 7908253A NL 7908253 A NL7908253 A NL 7908253A NL 7908253 A NL7908253 A NL 7908253A
- Authority
- NL
- Netherlands
- Prior art keywords
- capsule
- coating
- beam filament
- filament
- headlamp
- Prior art date
Links
- 239000002775 capsule Substances 0.000 title claims description 31
- 239000011248 coating agent Substances 0.000 claims description 18
- 238000000576 coating method Methods 0.000 claims description 18
- 229910052736 halogen Inorganic materials 0.000 claims description 5
- 238000005286 illumination Methods 0.000 claims description 5
- 230000001678 irradiating effect Effects 0.000 claims description 4
- 230000005855 radiation Effects 0.000 claims description 2
- 238000005253 cladding Methods 0.000 claims 1
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 239000011521 glass Substances 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- -1 tungsten halogen Chemical class 0.000 description 1
- 235000021419 vinegar Nutrition 0.000 description 1
- 239000000052 vinegar Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K9/00—Lamps having two or more incandescent bodies separately heated
- H01K9/08—Lamps having two or more incandescent bodies separately heated to provide selectively different light effects, e.g. for automobile headlamp
Landscapes
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US96037578A | 1978-11-13 | 1978-11-13 | |
| US96037578 | 1978-11-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7908253A true NL7908253A (nl) | 1980-05-16 |
Family
ID=25503091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7908253A NL7908253A (nl) | 1978-11-13 | 1979-11-12 | Koplamp met afgeschermde lampcapsule. |
Country Status (6)
| Country | Link |
|---|---|
| BE (1) | BE879923A (fr) |
| DE (1) | DE2945242A1 (fr) |
| FR (1) | FR2441795A1 (fr) |
| GB (1) | GB2035681A (fr) |
| IT (1) | IT1124940B (fr) |
| NL (1) | NL7908253A (fr) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3153741A (en) * | 1960-07-08 | 1964-10-20 | Gen Motors Corp | Vehicle headlamp filament shield |
| US3784861A (en) * | 1971-02-25 | 1974-01-08 | Philips Corp | Lamp with opaque screen |
| DE2321709C3 (de) * | 1973-04-28 | 1975-10-16 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Elektrische Strahlerlampe, insbesondere für den Einsatz als Fahrzeugscheinwerfer, und Verfahren zu ihrer Herstellung |
| IT1026581B (it) * | 1974-11-27 | 1978-10-20 | Philips Spa | Ricevitore per sistema di trasmissione di segnali ad impulsi binari comprendente un circuito per la correzione automatica dei disturbi nellivello di corrente continua |
-
1979
- 1979-11-09 DE DE19792945242 patent/DE2945242A1/de active Granted
- 1979-11-09 BE BE2/58196A patent/BE879923A/fr not_active IP Right Cessation
- 1979-11-09 IT IT27154/79A patent/IT1124940B/it active
- 1979-11-12 NL NL7908253A patent/NL7908253A/nl not_active Application Discontinuation
- 1979-11-12 FR FR7927822A patent/FR2441795A1/fr active Granted
- 1979-11-12 GB GB7939115A patent/GB2035681A/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| BE879923A (fr) | 1980-03-03 |
| FR2441795A1 (fr) | 1980-06-13 |
| IT1124940B (it) | 1986-05-14 |
| DE2945242A1 (de) | 1980-05-22 |
| IT7927154A0 (it) | 1979-11-09 |
| GB2035681A (en) | 1980-06-18 |
| DE2945242C2 (fr) | 1989-01-12 |
| FR2441795B3 (fr) | 1981-08-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A85 | Still pending on 85-01-01 | ||
| BA | A request for search or an international-type search has been filed | ||
| BB | A search report has been drawn up | ||
| BC | A request for examination has been filed | ||
| BV | The patent application has lapsed |