CH225248A - Electric discharge tube. - Google Patents
Electric discharge tube.Info
- Publication number
- CH225248A CH225248A CH225248DA CH225248A CH 225248 A CH225248 A CH 225248A CH 225248D A CH225248D A CH 225248DA CH 225248 A CH225248 A CH 225248A
- Authority
- CH
- Switzerland
- Prior art keywords
- electric discharge
- discharge tube
- tube
- electric
- discharge
- 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
- H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
- H01J1/26—Supports for the emissive material
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL50640X | 1940-06-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH225248A true CH225248A (en) | 1943-01-15 |
Family
ID=19756154
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH225248D CH225248A (en) | 1940-06-05 | 1941-06-03 | Electric discharge tube. |
Country Status (5)
Country | Link |
---|---|
BE (1) | BE441617A (en) |
CH (1) | CH225248A (en) |
FR (1) | FR872829A (en) |
GB (1) | GB597470A (en) |
NL (1) | NL54119C (en) |
-
0
- NL NL54119D patent/NL54119C/xx active
- BE BE441617D patent/BE441617A/xx unknown
-
1941
- 1941-06-03 CH CH225248D patent/CH225248A/en unknown
- 1941-06-03 FR FR872829D patent/FR872829A/en not_active Expired
-
1945
- 1945-08-21 GB GB21307/45A patent/GB597470A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
BE441617A (en) | |
GB597470A (en) | 1948-01-27 |
NL54119C (en) | |
FR872829A (en) | 1942-06-19 |
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