NL53679C - - Google Patents
Info
- Publication number
- NL53679C NL53679C NL72666A NL72666A NL53679C NL 53679 C NL53679 C NL 53679C NL 72666 A NL72666 A NL 72666A NL 72666 A NL72666 A NL 72666A NL 53679 C NL53679 C NL 53679C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J5/00—Details relating to vessels or to leading-in conductors common to two or more basic types of discharge tubes or lamps
- H01J5/32—Seals for leading-in conductors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/82—Lamps with high-pressure unconstricted discharge having a cold pressure > 400 Torr
- H01J61/822—High-pressure mercury lamps
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEN37372D DE711871C (en) | 1934-11-06 | 1934-11-06 | Artificially cooled, closed high-pressure mercury vapor discharge tubes serving to emit rays |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL53679C true NL53679C (en) | 1942-12-15 |
Family
ID=33037646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL72666A NL53679C (en) | 1934-11-06 | 1935-02-26 |
Country Status (7)
| Country | Link |
|---|---|
| AT (1) | AT153368B (en) |
| CH (1) | CH187533A (en) |
| DE (1) | DE711871C (en) |
| DK (1) | DK57199C (en) |
| FR (1) | FR786388A (en) |
| GB (1) | GB431450A (en) |
| NL (1) | NL53679C (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE756326C (en) * | 1937-02-20 | 1952-11-17 | Ulrich W Doering | Electric discharge lamp with basic inert gas filling |
| DE754219C (en) * | 1938-04-24 | 1954-03-15 | Quarzlampen G M B H | High-pressure metal vapor lamp, in particular high-pressure mercury lamp, with fixed, non-activated heating electrodes |
| DE875687C (en) * | 1938-10-05 | 1953-05-04 | Electricitaets Ges Sanitas M B | Arrangement for operating a high-pressure mercury vapor lamp with a basic gas filling, non-activated incandescent cathodes heated by the discharge and an elongated arc |
| DE740922C (en) * | 1939-03-21 | 1943-10-30 | Patra Patent Treuhand | Arrangement for operating a water-cooled high-pressure mercury discharge lamp |
| US3363133A (en) * | 1966-02-28 | 1968-01-09 | Sylvania Electric Prod | Electric discharge device having polycrystalline alumina end caps |
| NL182439C (en) * | 1978-05-23 | 1988-03-01 | Philips Nv | SHORT-ARCH DISCHARGE LAMP. |
| US4581557A (en) * | 1979-01-02 | 1986-04-08 | General Electric Company | Stabilized high intensity discharge lamp |
| GB2069228B (en) * | 1979-01-02 | 1983-02-23 | Gen Electric | Stabilised high intensity discharge lamp |
-
1934
- 1934-11-06 DE DEN37372D patent/DE711871C/en not_active Expired
-
1935
- 1935-02-26 GB GB619235A patent/GB431450A/en not_active Expired
- 1935-02-26 NL NL72666A patent/NL53679C/xx active
- 1935-02-27 AT AT153368D patent/AT153368B/en active
- 1935-02-27 FR FR786388D patent/FR786388A/en not_active Expired
- 1935-02-27 CH CH187533D patent/CH187533A/en unknown
- 1935-02-28 DK DK57199D patent/DK57199C/en active
Also Published As
| Publication number | Publication date |
|---|---|
| DK57199C (en) | 1940-01-29 |
| CH187533A (en) | 1936-11-15 |
| AT153368B (en) | 1938-05-10 |
| DE711871C (en) | 1941-10-08 |
| GB431450A (en) | 1935-07-08 |
| FR786388A (en) | 1935-09-02 |