NL7809914A - Ontladingslamp met hoge ontladingsintensiteit. - Google Patents
Ontladingslamp met hoge ontladingsintensiteit.Info
- Publication number
- NL7809914A NL7809914A NL7809914A NL7809914A NL7809914A NL 7809914 A NL7809914 A NL 7809914A NL 7809914 A NL7809914 A NL 7809914A NL 7809914 A NL7809914 A NL 7809914A NL 7809914 A NL7809914 A NL 7809914A
- Authority
- NL
- Netherlands
- Prior art keywords
- discharge
- intensity
- lamp
- discharge lamp
- high discharge
- 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
- H01J61/02—Details
- H01J61/04—Electrodes; Screens; Shields
- H01J61/06—Main electrodes
- H01J61/073—Main electrodes for high-pressure discharge lamps
- H01J61/0735—Main electrodes for high-pressure discharge lamps characterised by the material of the electrode
- H01J61/0737—Main electrodes for high-pressure discharge lamps characterised by the material of the electrode characterised by the electron emissive material
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/844,154 US4123685A (en) | 1977-10-21 | 1977-10-21 | HID lamp electrode comprising solid solution of dibarium calcium molybdate and tungstate |
Publications (1)
Publication Number | Publication Date |
---|---|
NL7809914A true NL7809914A (nl) | 1979-04-24 |
Family
ID=25291963
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL7809914A NL7809914A (nl) | 1977-10-21 | 1978-10-02 | Ontladingslamp met hoge ontladingsintensiteit. |
Country Status (5)
Country | Link |
---|---|
US (1) | US4123685A (nl) |
JP (1) | JPS5470668A (nl) |
DE (1) | DE2845333A1 (nl) |
GB (1) | GB1577095A (nl) |
NL (1) | NL7809914A (nl) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4210840A (en) * | 1978-12-12 | 1980-07-01 | Westinghouse Electric Corp. | HID Lamp emission material |
JPS5676156A (en) * | 1979-11-24 | 1981-06-23 | Matsushita Electronics Corp | High-pressure sodium-vapor lamp |
US4487589A (en) * | 1981-06-22 | 1984-12-11 | General Electric Company | Method of preparing electron emissive coatings for electric discharge devices |
US4559473A (en) * | 1982-06-11 | 1985-12-17 | General Electric Company | Electrode structure for high pressure sodium vapor lamps |
US4479074A (en) * | 1982-09-02 | 1984-10-23 | North American Philips Lighting Corp. | High intensity vapor discharge lamp with sintering aids for electrode emission materials |
US4620128A (en) * | 1985-04-29 | 1986-10-28 | General Electric Company | Tungsten laden emission mix of improved stability |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3170081A (en) * | 1962-06-05 | 1965-02-16 | Westinghouse Electric Corp | Discharge lamp electrode |
US3919581A (en) * | 1974-07-12 | 1975-11-11 | Gen Electric | Thoria-yttria emission mixture for discharge lamps |
NL175771B (nl) * | 1975-06-20 | 1984-07-16 | Philips Nv | Hogedrukgasontladingslamp en een werkwijze voor de vervaardiging hiervan. |
-
1977
- 1977-10-21 US US05/844,154 patent/US4123685A/en not_active Expired - Lifetime
-
1978
- 1978-05-24 GB GB21810/78A patent/GB1577095A/en not_active Expired
- 1978-10-02 NL NL7809914A patent/NL7809914A/nl not_active Application Discontinuation
- 1978-10-18 DE DE19782845333 patent/DE2845333A1/de not_active Withdrawn
- 1978-10-20 JP JP12867178A patent/JPS5470668A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
GB1577095A (en) | 1980-10-15 |
JPS5470668A (en) | 1979-06-06 |
US4123685A (en) | 1978-10-31 |
DE2845333A1 (de) | 1979-04-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
BV | The patent application has lapsed |