FR1066747A - - Google Patents
Info
- Publication number
- FR1066747A FR1066747A FR1066747DA FR1066747A FR 1066747 A FR1066747 A FR 1066747A FR 1066747D A FR1066747D A FR 1066747DA FR 1066747 A FR1066747 A FR 1066747A
- Authority
- FR
- France
- 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
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/18—Mountings or supports for the incandescent body
-
- 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 |
|---|---|---|---|
| NL714478X | 1951-11-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR1066747A true FR1066747A (zh) | 1954-06-09 |
Family
ID=19814904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR1066747D Expired FR1066747A (zh) | 1951-11-23 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2770753A (zh) |
| BE (1) | BE515729A (zh) |
| FR (1) | FR1066747A (zh) |
| GB (1) | GB714478A (zh) |
| NL (1) | NL86623C (zh) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2915668A (en) * | 1955-01-14 | 1959-12-01 | Sylvania Electric Prod | Filament tensioning device |
| US2908842A (en) * | 1957-02-25 | 1959-10-13 | Telefunken Gmbh | Filament tensioning |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1566293A (en) * | 1919-09-04 | 1925-12-22 | Western Electric Co | Thermionic device |
| BE372758A (zh) * | 1929-09-19 | |||
| BE372759A (zh) * | 1929-09-25 | |||
| US2506895A (en) * | 1948-12-24 | 1950-05-09 | Sylvania Electric Prod | Antimicrophonic "v" tension rod |
| US2679570A (en) * | 1951-08-18 | 1954-05-25 | Bell Telephone Labor Inc | Formation of electrode tip by electric current heating |
-
0
- BE BE515729D patent/BE515729A/xx unknown
- FR FR1066747D patent/FR1066747A/fr not_active Expired
- NL NL86623D patent/NL86623C/xx active
-
1952
- 1952-10-16 US US315079A patent/US2770753A/en not_active Expired - Lifetime
- 1952-11-20 GB GB29354/52A patent/GB714478A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE515729A (zh) | |
| GB714478A (en) | 1954-08-25 |
| NL86623C (zh) | |
| US2770753A (en) | 1956-11-13 |