NL33743C - - Google Patents
Info
- Publication number
- NL33743C NL33743C NL33743DA NL33743C NL 33743 C NL33743 C NL 33743C NL 33743D A NL33743D A NL 33743DA NL 33743 C NL33743 C NL 33743C
- Authority
- NL
- Netherlands
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
- H01J61/52—Cooling arrangements; Heating arrangements; Means for circulating gas or vapour within the discharge space
- H01J61/523—Heating or cooling particular parts of the lamp
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE518948T | 1930-01-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL33743C true NL33743C (en:Method) |
Family
ID=34085408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL33743D NL33743C (en:Method) | 1930-01-12 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US1930132A (en:Method) |
| AT (1) | AT124034B (en:Method) |
| CH (1) | CH148905A (en:Method) |
| DE (1) | DE518948C (en:Method) |
| FR (1) | FR703530A (en:Method) |
| GB (1) | GB363092A (en:Method) |
| NL (1) | NL33743C (en:Method) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2621296A (en) * | 1944-09-02 | 1952-12-09 | Robert W Thompson | Ion source |
| GB835183A (en) * | 1957-05-07 | 1960-05-18 | Philips Electrical Ind Ltd | Improvements in or relating to low-pressure mercury vapour discharge tubes |
| US3482141A (en) * | 1967-12-07 | 1969-12-02 | Henry Greber | Gas discharge lamp with a movable baffle adjacent one electrode |
| US3531687A (en) * | 1968-10-17 | 1970-09-29 | Henry Greber | Gas discharge tube with a movable baffle between the electrodes |
| US4278910A (en) * | 1979-08-06 | 1981-07-14 | Gte Products Corporation | High pressure arc discharge lamp having concave shaped outer jacket |
| US4508993A (en) * | 1981-11-25 | 1985-04-02 | General Electric Company | Fluorescent lamp without ballast |
| US7619350B2 (en) * | 2006-08-29 | 2009-11-17 | Osram Sylvania Inc. | Arc discharge vessel having arc centering structure and lamp containing same |
-
0
- NL NL33743D patent/NL33743C/xx active
-
1930
- 1930-01-12 DE DE1930518948D patent/DE518948C/de not_active Expired
- 1930-10-06 AT AT124034D patent/AT124034B/de active
- 1930-10-07 CH CH148905D patent/CH148905A/de unknown
- 1930-10-09 FR FR703530D patent/FR703530A/fr not_active Expired
- 1930-11-17 GB GB34541/30A patent/GB363092A/en not_active Expired
- 1930-12-16 US US502741A patent/US1930132A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| AT124034B (de) | 1931-08-10 |
| CH148905A (de) | 1931-08-15 |
| DE518948C (de) | 1931-02-21 |
| FR703530A (fr) | 1931-05-01 |
| US1930132A (en) | 1933-10-10 |
| GB363092A (en) | 1931-12-17 |