FR718794A - Electric discharge tube having a cathode supported at one or more intermediate points - Google Patents
Electric discharge tube having a cathode supported at one or more intermediate pointsInfo
- Publication number
- FR718794A FR718794A FR718794DA FR718794A FR 718794 A FR718794 A FR 718794A FR 718794D A FR718794D A FR 718794DA FR 718794 A FR718794 A FR 718794A
- Authority
- FR
- France
- Prior art keywords
- discharge tube
- electric discharge
- intermediate points
- cathode supported
- cathode
- 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
- H01J1/15—Cathodes heated directly by an electric current
- H01J1/18—Supports; Vibration-damping arrangements
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL357444X | 1930-07-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR718794A true FR718794A (en) | 1932-01-28 |
Family
ID=19785273
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR718794D Expired FR718794A (en) | 1930-07-19 | 1931-06-17 | Electric discharge tube having a cathode supported at one or more intermediate points |
Country Status (4)
Country | Link |
---|---|
DE (1) | DE602586C (en) |
FR (1) | FR718794A (en) |
GB (1) | GB357444A (en) |
NL (1) | NL35560C (en) |
-
0
- NL NL35560D patent/NL35560C/xx active
-
1930
- 1930-12-18 GB GB38174/30A patent/GB357444A/en not_active Expired
-
1931
- 1931-06-17 DE DEN32246D patent/DE602586C/en not_active Expired
- 1931-06-17 FR FR718794D patent/FR718794A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE602586C (en) | 1934-09-12 |
NL35560C (en) | |
GB357444A (en) | 1931-09-24 |
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