FR595204A - Incandescent cathodes for discharge tubes - Google Patents
Incandescent cathodes for discharge tubesInfo
- Publication number
- FR595204A FR595204A FR595204DA FR595204A FR 595204 A FR595204 A FR 595204A FR 595204D A FR595204D A FR 595204DA FR 595204 A FR595204 A FR 595204A
- Authority
- FR
- France
- Prior art keywords
- discharge tubes
- incandescent cathodes
- cathodes
- incandescent
- tubes
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL232201X | 1924-04-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR595204A true FR595204A (en) | 1925-09-29 |
Family
ID=19780039
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR595204D Expired FR595204A (en) | 1924-04-08 | 1925-03-16 | Incandescent cathodes for discharge tubes |
Country Status (4)
Country | Link |
---|---|
US (1) | US1852739A (en) |
FR (1) | FR595204A (en) |
GB (1) | GB232201A (en) |
NL (1) | NL16653C (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2967971A (en) * | 1957-08-14 | 1961-01-10 | Hughes Aircraft Co | Storage tube with improved flood gun |
US3513348A (en) * | 1967-12-07 | 1970-05-19 | Machlett Lab Inc | Filament structure having arc suppressing means |
-
0
- NL NL16653D patent/NL16653C/xx active
-
1925
- 1925-03-16 FR FR595204D patent/FR595204A/en not_active Expired
- 1925-03-30 US US19351A patent/US1852739A/en not_active Expired - Lifetime
- 1925-03-31 GB GB8586/25A patent/GB232201A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB232201A (en) | 1925-12-31 |
NL16653C (en) | |
US1852739A (en) | 1932-04-05 |
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