NL33511C - - Google Patents
Info
- Publication number
- NL33511C NL33511C NL33511DA NL33511C NL 33511 C NL33511 C NL 33511C NL 33511D A NL33511D A NL 33511DA NL 33511 C NL33511 C NL 33511C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
- H01J9/02—Manufacture of electrodes or electrode systems
- H01J9/08—Manufacture of heaters for indirectly-heated cathodes
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB17046/26A GB278787A (en) | 1926-07-07 | 1926-07-07 | Improvements in or relating to thermionic cathodes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL33511C true NL33511C (xx) |
Family
ID=10088278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL33511D NL33511C (xx) | 1926-07-07 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US2075910A (xx) |
| AT (1) | AT110360B (xx) |
| DE (1) | DE583836C (xx) |
| FR (1) | FR637133A (xx) |
| GB (1) | GB278787A (xx) |
| NL (1) | NL33511C (xx) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2609590A (en) * | 1952-09-09 | Method of manufacturing a | ||
| DE745678C (de) * | 1932-01-17 | 1944-11-30 | Indirekt geheizte Kathode fuer Braunsche Roehren | |
| DE760248C (de) * | 1933-11-08 | 1953-10-19 | Georg Seibt Nachf Dr | Indirekt geheizte Kathode fuer Kathodenstrahlroehren |
| DE741396C (de) * | 1937-07-17 | 1943-11-10 | Sueddeutsche Telefon App Kabel | Verfahren zur Herstellung von isolierten gewendelten Heizdraehten fuer indirekt geheizte Kathoden |
| US2543439A (en) * | 1945-05-02 | 1951-02-27 | Edward A Coomes | Method of manufacturing coated elements for electron tubes |
| NL69250C (xx) * | 1946-03-05 | |||
| US2632083A (en) * | 1950-12-01 | 1953-03-17 | Luz E Shaffer | Thermostatically heated limit switch |
| US2900554A (en) * | 1951-06-01 | 1959-08-18 | Rca Corp | Sleeve for indirectly heated cathode |
| BE514762A (xx) * | 1951-10-11 | |||
| US2711390A (en) * | 1952-11-18 | 1955-06-21 | Sylvania Electric Prod | Method of making composite thermionically emissive cathode material |
| DE1099086B (de) * | 1954-03-31 | 1961-02-09 | Siemens Ag | Verfahren zur Herstellung einer Isolierschicht fuer Heizer von mittelbar geheizten Kathoden |
| US2932759A (en) * | 1954-07-21 | 1960-04-12 | Univ Minnesota | Vacuum tube |
| US3066042A (en) * | 1959-11-27 | 1962-11-27 | Engelhard Ind Inc | Method of coating metal |
| US3206329A (en) * | 1962-01-08 | 1965-09-14 | Gen Electric | Insulation coating for indirectly heated cathode heaters |
| US3175118A (en) * | 1962-05-28 | 1965-03-23 | Gen Electric | Low power heater |
| US3581144A (en) * | 1969-03-27 | 1971-05-25 | Gen Electric | Metal-clad insulated electrical heater |
-
0
- NL NL33511D patent/NL33511C/xx active
-
1926
- 1926-07-07 GB GB17046/26A patent/GB278787A/en not_active Expired
-
1927
- 1927-06-22 DE DEM100147D patent/DE583836C/de not_active Expired
- 1927-06-22 AT AT110360D patent/AT110360B/de active
- 1927-06-24 US US201184A patent/US2075910A/en not_active Expired - Lifetime
- 1927-07-06 FR FR637133D patent/FR637133A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR637133A (fr) | 1928-04-24 |
| US2075910A (en) | 1937-04-06 |
| GB278787A (en) | 1927-10-07 |
| AT110360B (de) | 1928-08-10 |
| DE583836C (de) | 1933-09-18 |