NL164423B - Lagedruknatriumdampontladingslamp. - Google Patents
Lagedruknatriumdampontladingslamp.Info
- Publication number
- NL164423B NL164423B NL6918745.A NL6918745A NL164423B NL 164423 B NL164423 B NL 164423B NL 6918745 A NL6918745 A NL 6918745A NL 164423 B NL164423 B NL 164423B
- Authority
- NL
- Netherlands
- Prior art keywords
- low pressure
- discharge lamp
- vapor discharge
- pressure sodium
- sodium vapor
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/70—Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr
- H01J61/74—Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr having a main light-emitting filling of difficult vaporisable metal vapour, e.g. sodium
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/12—Selection of substances for gas fillings; Specified operating pressure or temperature
- H01J61/18—Selection of substances for gas fillings; Specified operating pressure or temperature having a metallic vapour as the principal constituent
- H01J61/22—Selection of substances for gas fillings; Specified operating pressure or temperature having a metallic vapour as the principal constituent vapour of an alkali metal
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/30—Vessels; Containers
- H01J61/33—Special shape of cross-section, e.g. for producing cool spot
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL6918745.A NL164423C (nl) | 1969-12-13 | 1969-12-13 | Lagedruknatriumdampontladingslamp. |
DE2059577A DE2059577C3 (de) | 1969-12-13 | 1970-12-03 | Niederdruck-Natriumdampf-Entladungslampe |
US95435A US3678315A (en) | 1969-12-13 | 1970-12-07 | Low-pressure sodium vapor discharge lamp |
GB58685/70A GB1284789A (en) | 1969-12-13 | 1970-12-10 | Low-pressure sodium vapour discharge lamp |
FR7044470A FR2073525A5 (fr) | 1969-12-13 | 1970-12-10 | Lampe a decharge dans la vapeur de sodium a basse pression |
BE760258A BE760258A (fr) | 1969-12-13 | 1970-12-11 | Lampe a decharge dans la vapeur de sodium a basse pression |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL6918745.A NL164423C (nl) | 1969-12-13 | 1969-12-13 | Lagedruknatriumdampontladingslamp. |
Publications (3)
Publication Number | Publication Date |
---|---|
NL6918745A NL6918745A (nl) | 1971-06-15 |
NL164423B true NL164423B (nl) | 1980-07-15 |
NL164423C NL164423C (nl) | 1980-12-15 |
Family
ID=19808623
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL6918745.A NL164423C (nl) | 1969-12-13 | 1969-12-13 | Lagedruknatriumdampontladingslamp. |
Country Status (6)
Country | Link |
---|---|
US (1) | US3678315A (nl) |
BE (1) | BE760258A (nl) |
DE (1) | DE2059577C3 (nl) |
FR (1) | FR2073525A5 (nl) |
GB (1) | GB1284789A (nl) |
NL (1) | NL164423C (nl) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL7712059A (nl) * | 1977-11-02 | 1979-05-04 | Philips Nv | Lagedruknatriumdampontladingslamp. |
DE10044562A1 (de) * | 2000-09-08 | 2002-03-21 | Philips Corp Intellectual Pty | Niederdruckgasentladungslampe mit quecksilberfreier Gasfüllung |
JP2008537303A (ja) * | 2005-04-20 | 2008-09-11 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | インジウム及びナトリウムのハロゲン化物を含む低圧ガス放電ランプ |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE623133A (nl) * | 1961-10-04 |
-
1969
- 1969-12-13 NL NL6918745.A patent/NL164423C/nl not_active IP Right Cessation
-
1970
- 1970-12-03 DE DE2059577A patent/DE2059577C3/de not_active Expired
- 1970-12-07 US US95435A patent/US3678315A/en not_active Expired - Lifetime
- 1970-12-10 FR FR7044470A patent/FR2073525A5/fr not_active Expired
- 1970-12-10 GB GB58685/70A patent/GB1284789A/en not_active Expired
- 1970-12-11 BE BE760258A patent/BE760258A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
BE760258A (fr) | 1971-06-11 |
US3678315A (en) | 1972-07-18 |
NL164423C (nl) | 1980-12-15 |
DE2059577B2 (de) | 1977-07-28 |
DE2059577A1 (de) | 1971-06-16 |
NL6918745A (nl) | 1971-06-15 |
GB1284789A (en) | 1972-08-09 |
DE2059577C3 (de) | 1978-04-06 |
FR2073525A5 (fr) | 1971-10-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
V1 | Lapsed because of non-payment of the annual fee |