BE708152A - - Google Patents
Info
- Publication number
- BE708152A BE708152A BE708152DA BE708152A BE 708152 A BE708152 A BE 708152A BE 708152D A BE708152D A BE 708152DA BE 708152 A BE708152 A BE 708152A
- 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
- H01J61/98—Lamps with closely spaced electrodes heated to incandescence by light-emitting discharge, e.g. tungsten arc lamp
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/84—Lamps with discharge constricted by high pressure
- H01J61/86—Lamps with discharge constricted by high pressure with discharge additionally constricted by close spacing of electrodes, e.g. for optical projection
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US60262966A | 1966-12-19 | 1966-12-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE708152A true BE708152A (en) | 1968-05-02 |
Family
ID=24412135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE708152D BE708152A (en) | 1966-12-19 | 1967-12-18 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3454810A (en) |
| BE (1) | BE708152A (en) |
| DE (1) | DE1589418A1 (en) |
| GB (1) | GB1158227A (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USRE30315F1 (en) * | 1973-12-17 | 1982-08-03 | Precision base mercury vapor lamp | |
| FR2379758A1 (en) * | 1977-02-04 | 1978-09-01 | Fives Cail Babcock | Film projector with air cooling system - has cylindrical finned body with inner coaxial skin defining cooling passageway for closed loop air flow |
| DE2917745A1 (en) * | 1979-05-02 | 1980-11-13 | Arnold & Richter Kg | Halogen-metal vapour gas discharge lamp - has cap designed to safeguard properly orientated mounting of lamp and is used for daylight searchlight(s) |
| DE2917746A1 (en) * | 1979-05-02 | 1980-11-13 | Arnold & Richter Kg | Halogen-metal vapour gas discharge lamp - has cap with ribs to form cooling body |
| DE3136234C2 (en) * | 1981-09-12 | 1985-03-28 | W.C. Heraeus Gmbh, 6450 Hanau | Discharge lamp with adjusted radiation exit direction |
| US6648709B2 (en) * | 1999-12-28 | 2003-11-18 | Texas Instruments Incorporated | Reflector alignment tool for projection illumination systems |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1400227A (en) * | 1920-02-19 | 1921-12-13 | Judd L Minick | Lamp-focusing device |
| US2545884A (en) * | 1946-01-18 | 1951-03-20 | Gen Electric | High-pressure mercury vapor electric discharge lamp |
-
1966
- 1966-12-19 US US602629A patent/US3454810A/en not_active Expired - Lifetime
-
1967
- 1967-11-24 GB GB53531/67A patent/GB1158227A/en not_active Expired
- 1967-12-12 DE DE19671589418 patent/DE1589418A1/en active Pending
- 1967-12-18 BE BE708152D patent/BE708152A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE1589418A1 (en) | 1970-04-09 |
| US3454810A (en) | 1969-07-08 |
| GB1158227A (en) | 1969-07-16 |