GB362627A - Improvements relating to electron discharge devices particularly gas-filled rectifying tubes - Google Patents
Improvements relating to electron discharge devices particularly gas-filled rectifying tubesInfo
- Publication number
- GB362627A GB362627A GB34062/30A GB3406230A GB362627A GB 362627 A GB362627 A GB 362627A GB 34062/30 A GB34062/30 A GB 34062/30A GB 3406230 A GB3406230 A GB 3406230A GB 362627 A GB362627 A GB 362627A
- Authority
- GB
- United Kingdom
- Prior art keywords
- passages
- cylinder
- tubes
- electron discharge
- discharge apparatus
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
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
Landscapes
- Solid Thermionic Cathode (AREA)
- Discharge Lamp (AREA)
Abstract
362,627. Discharge apparatus. NAAMLOOZE VENNOOTSCHAP PHILIPS' GLOEILAMPENFABRIEKEN, 13D, Emmasingel, Eindhoven, Holland. Nov. 12, 1930, No. 34062. Convention date, Jan. 22. [Class 39 (i).] Indirectly heated cathodes foi electron discharge apparatus and particularly for gas-filled rectifiers comprise a unitary body of substantial cross section and of electrically conductive material formed with a number of passages of cross section small compared with the linear dimensions of the body, a heating,element insulated from the body being threaded through the passages. The body may be a nickel cylinder 1 with passages 3, Fig. 3, in its walls, the passages being lined with steatite tubes and a heating wire 2 being passed successively through the tubes. The cylinder 1 may have on its inside or outside surface a helical conductor coated with electron emissive material or the inside of the cylinder may have an irregular or corrugated surface to carry this material 5, which may consist of one or more oxides, carbides or silicates of barium, strontium, caesium, rubidium, &c. In a rectifier, Fig. 4, the cylinder 1 is supported by wires 6, 7 relatively to two anodes 10, 11, leads 8, 9 shown incomplete being connected to the ends of the wire 2.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL362627X | 1930-01-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB362627A true GB362627A (en) | 1931-12-10 |
Family
ID=19785436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB34062/30A Expired GB362627A (en) | 1930-01-22 | 1930-11-12 | Improvements relating to electron discharge devices particularly gas-filled rectifying tubes |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US1875106A (en) |
| DE (1) | DE625602C (en) |
| FR (1) | FR708235A (en) |
| GB (1) | GB362627A (en) |
| NL (1) | NL28875C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2456579A (en) * | 1942-10-30 | 1948-12-14 | Rca Corp | Electron discharge device for ultra high frequencies |
| GB810202A (en) * | 1955-06-10 | 1959-03-11 | Vickers Electrical Co Ltd | Improvements relating to thermionic cathodes for electron discharge devices |
-
0
- NL NL28875D patent/NL28875C/xx active
-
1930
- 1930-11-12 GB GB34062/30A patent/GB362627A/en not_active Expired
- 1930-11-15 US US495806A patent/US1875106A/en not_active Expired - Lifetime
- 1930-12-22 FR FR708235D patent/FR708235A/en not_active Expired
- 1930-12-24 DE DE1930625602D patent/DE625602C/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL28875C (en) | |
| DE625602C (en) | 1936-02-12 |
| FR708235A (en) | 1931-07-21 |
| US1875106A (en) | 1932-08-30 |
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