BE463973A - - Google Patents
Info
- Publication number
- BE463973A BE463973A BE463973DA BE463973A BE 463973 A BE463973 A BE 463973A BE 463973D A BE463973D A BE 463973DA BE 463973 A BE463973 A BE 463973A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/96—Lamps with light-emitting discharge path and separately-heated incandescent body within a common envelope, e.g. for simulating daylight
-
- 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
-
- 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
- H01J61/32—Special longitudinal shape, e.g. for advertising purposes
- H01J61/327—"Compact"-lamps, i.e. lamps having a folded discharge path
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB25632/44A GB590703A (en) | 1944-12-21 | 1944-12-21 | Improvements in and relating to electric discharge lamps |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE463973A true BE463973A (en:Method) | 1946-04-30 |
Family
ID=10230805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE463973D BE463973A (en:Method) | 1944-12-21 | 1946-03-20 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2501375A (en:Method) |
| BE (1) | BE463973A (en:Method) |
| ES (1) | ES173962A1 (en:Method) |
| FR (1) | FR922051A (en:Method) |
| GB (1) | GB590703A (en:Method) |
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE898622C (de) * | 1949-12-06 | 1953-12-03 | Ulrich W Doering | Elektrische Entladungsroehre mit einer Fuellung von Gasen und/oder Daempfen von niedrigem Druck |
| DE906245C (de) * | 1950-06-22 | 1954-03-11 | Paul Jahn Dipl Ing | Lumineszenzlampe |
| DE838796C (de) * | 1950-07-16 | 1952-05-12 | Siemens Ag | Gasentladungslampe |
| DE1017286B (de) * | 1952-06-17 | 1957-10-10 | Ing Karl Nowak | Gasentladungslampe |
| DE968549C (de) * | 1952-09-15 | 1958-03-06 | Ing Karl Nowak | Gasentladungslampe mit einem sich nahezu ueber die Lampenlaenge erstreckenden Einbaukolben |
| NL238268A (en:Method) * | 1958-04-18 | |||
| US3903447A (en) * | 1971-10-22 | 1975-09-02 | Westinghouse Electric Corp | Single-ended electric discharge lamp having tubular envelope with partition means that provides a helical arc path |
| US3899712A (en) * | 1974-05-01 | 1975-08-12 | Gen Electric | Tapered helical compact fluorescent lamp |
| JPS52113584A (en) * | 1976-03-19 | 1977-09-22 | Matsushita Electronics Corp | Lamp and its production method |
| US4311942A (en) * | 1977-09-21 | 1982-01-19 | Spellman High Voltage Electronics Corp. | Compact fluorescent lamp and method and means for magnetic arc spreading |
| US4187446A (en) * | 1977-09-21 | 1980-02-05 | Leo Gross | Screw-in fluorescent lamp with magnetic arc spreading |
| NL7812539A (nl) * | 1978-02-14 | 1979-08-16 | Philips Nv | Lagedrukkwikdampontladingslamp. |
| NL7906203A (nl) * | 1979-08-15 | 1981-02-17 | Philips Nv | Lagedrukkwikdampontladingslamp. |
| DE69630068T2 (de) * | 1995-03-31 | 2004-06-17 | General Electric Co. | Leuchtstofflampe |
| GB9700426D0 (en) * | 1997-01-10 | 1997-02-26 | Light Years Ahead Ltd | Light sources |
| US6404123B1 (en) * | 1998-08-21 | 2002-06-11 | Corning Incorporated | Channeled glass article for compact fluorescent lighting |
| US20050088076A1 (en) * | 2003-10-27 | 2005-04-28 | Chi-Jung Chu | Fluorescent lamp |
| US20050275351A1 (en) * | 2004-02-10 | 2005-12-15 | Shichao Ge | Gas discharge fluorescent device with lamp support |
| EP2287526B1 (en) * | 2005-07-20 | 2013-09-11 | TBT Asset Management International Limited | Illumination unit with serpentine-shaped cold cathode fluorescent lamp |
| US7973489B2 (en) | 2007-11-02 | 2011-07-05 | Tbt Asset Management International Limited | Lighting system for illumination using cold cathode fluorescent lamps |
| US8492991B2 (en) | 2007-11-02 | 2013-07-23 | Tbt Asset Management International Limited | Lighting fixture system for illumination using cold cathode fluorescent lamps |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1984215A (en) * | 1931-01-16 | 1934-12-11 | Hotchner Fred | Vacuum vessel and illuminating device |
| US1870147A (en) * | 1931-04-02 | 1932-08-02 | Emanuel C Smally | Illuminating device |
| BE433935A (en:Method) * | 1938-05-19 | |||
| US2205672A (en) * | 1938-10-13 | 1940-06-25 | David F Sawyer | Lighting element and fixture therefor |
| US2316348A (en) * | 1940-10-19 | 1943-04-13 | Mahlck Gustave | Lamp |
| US2279635A (en) * | 1941-01-07 | 1942-04-14 | Fred J Mckane | Luminous vapor lamp |
-
1944
- 1944-12-21 ES ES173962A patent/ES173962A1/es not_active Expired
- 1944-12-21 GB GB25632/44A patent/GB590703A/en not_active Expired
-
1946
- 1946-02-13 FR FR922051D patent/FR922051A/fr not_active Expired
- 1946-02-25 US US650066A patent/US2501375A/en not_active Expired - Lifetime
- 1946-03-20 BE BE463973D patent/BE463973A/fr unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB590703A (en) | 1947-07-25 |
| ES173962A1 (es) | 1946-07-16 |
| FR922051A (fr) | 1947-05-28 |
| US2501375A (en) | 1950-03-21 |