BE874659A - Lampe a decharge a basse pression - Google Patents
Lampe a decharge a basse pressionInfo
- Publication number
- BE874659A BE874659A BE0/193876A BE193876A BE874659A BE 874659 A BE874659 A BE 874659A BE 0/193876 A BE0/193876 A BE 0/193876A BE 193876 A BE193876 A BE 193876A BE 874659 A BE874659 A BE 874659A
- Authority
- BE
- Belgium
- Prior art keywords
- low pressure
- discharge lamp
- pressure discharge
- lamp
- low
- 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
- H01J61/10—Shields, screens, or guides for influencing the discharge
- H01J61/103—Shields, screens or guides arranged to extend the discharge path
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7802511A NL7802511A (nl) | 1978-03-08 | 1978-03-08 | Lagedrukontladingslamp. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE874659A true BE874659A (fr) | 1979-09-06 |
Family
ID=19830459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE0/193876A BE874659A (fr) | 1978-03-08 | 1979-03-06 | Lampe a decharge a basse pression |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US4237400A (fr) |
| JP (1) | JPS54124575A (fr) |
| BE (1) | BE874659A (fr) |
| CA (1) | CA1118479A (fr) |
| DE (1) | DE2908174A1 (fr) |
| FR (1) | FR2419584A1 (fr) |
| GB (1) | GB2016204B (fr) |
| IT (1) | IT1111898B (fr) |
| NL (1) | NL7802511A (fr) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5661755A (en) * | 1979-10-24 | 1981-05-27 | Stanley Electric Co Ltd | Fluorescent lamp |
| GB2195047B (en) * | 1986-08-13 | 1991-04-17 | Canon Kk | Flash device for camera |
| DE19519518A1 (de) * | 1995-06-01 | 1996-12-05 | Walter Holzer | Gasentladungsgefäß für Niederdruckentladungslampen |
| US5998940A (en) * | 1998-09-21 | 1999-12-07 | Matsushita Electric Industrial Co., Ltd. | High-pressure discharge lamp with reduced bad influence by acoustical standing wave |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR926499A (fr) * | 1946-04-13 | 1947-10-02 | Lampe électrique à décharge, destinée à l'éclairage et/ou à l'irradiation | |
| US3849689A (en) * | 1973-07-02 | 1974-11-19 | Gen Electric | Sequential discharge fluorescent lamp |
| JPS52113584A (en) * | 1976-03-19 | 1977-09-22 | Matsushita Electronics Corp | Lamp and its production method |
-
1978
- 1978-03-08 NL NL7802511A patent/NL7802511A/xx not_active Application Discontinuation
-
1979
- 1979-02-21 US US06/013,587 patent/US4237400A/en not_active Expired - Lifetime
- 1979-03-01 CA CA000322571A patent/CA1118479A/fr not_active Expired
- 1979-03-02 DE DE19792908174 patent/DE2908174A1/de not_active Withdrawn
- 1979-03-05 JP JP2547179A patent/JPS54124575A/ja active Pending
- 1979-03-05 GB GB7907619A patent/GB2016204B/en not_active Expired
- 1979-03-05 FR FR7905636A patent/FR2419584A1/fr active Granted
- 1979-03-05 IT IT20754/79A patent/IT1111898B/it active
- 1979-03-06 BE BE0/193876A patent/BE874659A/fr not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| JPS54124575A (en) | 1979-09-27 |
| US4237400A (en) | 1980-12-02 |
| DE2908174A1 (de) | 1979-09-13 |
| IT1111898B (it) | 1986-01-13 |
| FR2419584A1 (fr) | 1979-10-05 |
| FR2419584B1 (fr) | 1983-12-30 |
| NL7802511A (nl) | 1979-09-11 |
| GB2016204A (en) | 1979-09-19 |
| GB2016204B (en) | 1982-03-17 |
| IT7920754A0 (it) | 1979-03-05 |
| CA1118479A (fr) | 1982-02-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RE | Patent lapsed |
Owner name: N.V. PHILIPS' GLOEILAMPENFABRIEKEN Effective date: 19860331 |