CH309312A - Cathode for electrical discharge vessels. - Google Patents
Cathode for electrical discharge vessels.Info
- Publication number
- CH309312A CH309312A CH309312DA CH309312A CH 309312 A CH309312 A CH 309312A CH 309312D A CH309312D A CH 309312DA CH 309312 A CH309312 A CH 309312A
- Authority
- CH
- Switzerland
- Prior art keywords
- cathode
- electrical discharge
- discharge vessels
- vessels
- electrical
- Prior art date
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
- H01J1/14—Solid thermionic cathodes characterised by the material
-
- 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
- H01J1/28—Dispenser-type cathodes, e.g. L-cathode
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE309312X | 1951-04-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH309312A true CH309312A (en) | 1955-08-31 |
Family
ID=6121980
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH309312D CH309312A (en) | 1951-04-18 | 1952-02-28 | Cathode for electrical discharge vessels. |
Country Status (4)
Country | Link |
---|---|
CH (1) | CH309312A (en) |
FR (1) | FR1054597A (en) |
GB (1) | GB721612A (en) |
NL (1) | NL94985C (en) |
-
0
- NL NL94985D patent/NL94985C/xx active
-
1952
- 1952-02-28 CH CH309312D patent/CH309312A/en unknown
- 1952-04-17 GB GB9728/52A patent/GB721612A/en not_active Expired
- 1952-04-17 FR FR1054597D patent/FR1054597A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
NL94985C (en) | |
GB721612A (en) | 1955-01-12 |
FR1054597A (en) | 1954-02-11 |
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