NL33734C - - Google Patents
Info
- Publication number
- NL33734C NL33734C NL33734DA NL33734C NL 33734 C NL33734 C NL 33734C NL 33734D A NL33734D A NL 33734DA NL 33734 C NL33734 C NL 33734C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
- H01J1/02—Main electrodes
- H01J1/13—Solid thermionic cathodes
- H01J1/15—Cathodes heated directly by an electric current
- H01J1/16—Cathodes heated directly by an electric current characterised by the shape
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J17/00—Gas-filled discharge tubes with solid cathode
- H01J17/02—Details
- H01J17/04—Electrodes; Screens
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US358354A US2082602A (en) | 1929-04-26 | 1929-04-26 | Thermionic cathode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL33734C true NL33734C (xx) |
Family
ID=23409323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL33734D NL33734C (xx) | 1929-04-26 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2082602A (xx) |
| DE (1) | DE615022C (xx) |
| GB (1) | GB355728A (xx) |
| NL (1) | NL33734C (xx) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4473777A (en) * | 1982-09-29 | 1984-09-25 | The Perkin-Elmer Corporation | Electron emitter assembly |
| US5023505A (en) * | 1989-12-20 | 1991-06-11 | Gte Products Corporation | Electric lamp with improved frame support and method of producing same |
| US6153968A (en) * | 1998-10-02 | 2000-11-28 | Philips Electronics North America Corp. | Metal halide lamp with stem mounted support frame for arc tube shield |
| CN115007974B (zh) * | 2022-04-19 | 2024-03-08 | 上海工程技术大学 | 电弧负压力约束的钨极氩弧焊接方法 |
-
0
- NL NL33734D patent/NL33734C/xx active
-
1929
- 1929-04-26 US US358354A patent/US2082602A/en not_active Expired - Lifetime
-
1930
- 1930-04-25 GB GB12807/30A patent/GB355728A/en not_active Expired
- 1930-04-27 DE DE1930A0045230 patent/DE615022C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB355728A (en) | 1931-08-25 |
| DE615022C (de) | 1935-06-26 |
| US2082602A (en) | 1937-06-01 |