NL87447C - - Google Patents
Info
- Publication number
- NL87447C NL87447C NL87447DA NL87447C NL 87447 C NL87447 C NL 87447C NL 87447D A NL87447D A NL 87447DA NL 87447 C NL87447 C NL 87447C
- Authority
- NL
- Netherlands
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
- H01J1/24—Insulating layer or body located between heater and emissive material
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US314355A US2753480A (en) | 1952-10-11 | 1952-10-11 | Indirectly heated cathode structure and method of assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL87447C true NL87447C (https=) |
Family
ID=23219628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL87447D NL87447C (https=) | 1952-10-11 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US2753480A (https=) |
| BE (1) | BE523420A (https=) |
| CH (1) | CH319026A (https=) |
| DE (1) | DE1005195B (https=) |
| FR (1) | FR1086594A (https=) |
| GB (1) | GB725111A (https=) |
| NL (1) | NL87447C (https=) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2831140A (en) * | 1953-10-12 | 1958-04-15 | Sylvania Electric Prod | Cataphoretically coated heater insulator assembly |
| BE572249A (https=) * | 1957-10-23 | |||
| US3029360A (en) * | 1958-04-29 | 1962-04-10 | Rca Corp | Heater wire coating process |
| NL105737C (https=) | 1958-06-10 | |||
| NL275209A (https=) * | 1961-02-24 | |||
| US3740606A (en) * | 1971-09-01 | 1973-06-19 | Gte Sylvania Inc | Vibration suppressor in cathode assembly for electron discharge device |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1599180A (en) * | 1925-07-02 | 1926-09-07 | Radio Television Company | Thermionic tube |
| BE360807A (https=) * | 1928-05-21 | |||
| US2158665A (en) * | 1932-06-30 | 1939-05-16 | Hygrade Sylvania Corp | Electron discharge device |
| US2227046A (en) * | 1933-01-31 | 1940-12-31 | Loewe Radio Inc | Electron valve |
| AT136790B (de) * | 1933-04-25 | 1934-03-10 | Ver Gluehlampen & Elec Ag | Kathode für Entladungsröhren mit indirekter Heizung. |
| CH182823A (de) * | 1934-06-08 | 1936-02-29 | Aeg | Glühkathode für Entladungsgefässe. |
| BE411406A (https=) * | 1935-03-06 | |||
| US2436907A (en) * | 1945-06-23 | 1948-03-02 | Nasa | Indirectly heated cathode |
-
0
- NL NL87447D patent/NL87447C/xx active
- BE BE523420D patent/BE523420A/xx unknown
-
1952
- 1952-10-11 US US314355A patent/US2753480A/en not_active Expired - Lifetime
-
1953
- 1953-08-18 FR FR1086594D patent/FR1086594A/fr not_active Expired
- 1953-09-16 GB GB25651/53A patent/GB725111A/en not_active Expired
- 1953-10-05 CH CH319026D patent/CH319026A/de unknown
- 1953-10-10 DE DER12714A patent/DE1005195B/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| US2753480A (en) | 1956-07-03 |
| DE1005195B (de) | 1957-03-28 |
| FR1086594A (fr) | 1955-02-14 |
| CH319026A (de) | 1957-01-31 |
| BE523420A (https=) | |
| GB725111A (en) | 1955-03-02 |