NL41244C - - Google Patents
Info
- Publication number
- NL41244C NL41244C NL57059A NL57059A NL41244C NL 41244 C NL41244 C NL 41244C NL 57059 A NL57059 A NL 57059A NL 57059 A NL57059 A NL 57059A NL 41244 C NL41244 C NL 41244C
- 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
- H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
-
- 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
- H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
- H01J1/22—Heaters
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT371419X | 1930-07-03 | ||
| AT389886X | 1930-10-06 | ||
| AT396905X | 1931-07-08 | ||
| AT396527X | 1931-07-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL41244C true NL41244C (xx) | 1937-08-16 |
Family
ID=31950563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL57059A NL41244C (xx) | 1930-07-03 | 1931-05-28 |
Country Status (4)
| Country | Link |
|---|---|
| US (2) | US2041286A (xx) |
| FR (2) | FR718982A (xx) |
| GB (4) | GB371419A (xx) |
| NL (1) | NL41244C (xx) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2589521A (en) * | 1952-03-18 | Heater | ||
| US2436907A (en) * | 1945-06-23 | 1948-03-02 | Nasa | Indirectly heated cathode |
| US2513798A (en) * | 1947-04-28 | 1950-07-04 | Milton L Hatfield | Centrifugal clutch |
| US3137766A (en) * | 1957-12-16 | 1964-06-16 | Norton Co | Electric wire for use at high temperatures |
| EP2511919A1 (de) * | 2011-04-11 | 2012-10-17 | ABB Technology AG | Trockentransformatorheizung |
| JP6049398B2 (ja) * | 2012-10-24 | 2016-12-21 | 東京エレクトロン株式会社 | ヒータ装置 |
-
1930
- 1930-10-14 GB GB30746/30A patent/GB371419A/en not_active Expired
- 1930-10-29 US US492020A patent/US2041286A/en not_active Expired - Lifetime
-
1931
- 1931-05-28 NL NL57059A patent/NL41244C/xx active
- 1931-06-22 FR FR718982D patent/FR718982A/fr not_active Expired
- 1931-10-06 GB GB27769/31A patent/GB389886A/en not_active Expired
-
1932
- 1932-06-04 GB GB15843/32A patent/GB396905A/en not_active Expired
- 1932-06-04 GB GB15844/32A patent/GB396527A/en not_active Expired
- 1932-06-08 US US616014A patent/US2051472A/en not_active Expired - Lifetime
- 1932-06-13 FR FR41948D patent/FR41948E/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB396527A (en) | 1933-08-10 |
| GB371419A (en) | 1932-04-14 |
| FR718982A (fr) | 1932-02-02 |
| GB389886A (en) | 1933-03-30 |
| US2051472A (en) | 1936-08-18 |
| US2041286A (en) | 1936-05-19 |
| FR41948E (fr) | 1933-05-03 |
| GB396905A (en) | 1933-08-17 |