NL269971A - - Google Patents
Info
- Publication number
- NL269971A NL269971A NL269971DA NL269971A NL 269971 A NL269971 A NL 269971A NL 269971D A NL269971D A NL 269971DA NL 269971 A NL269971 A NL 269971A
- 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
- H01J1/22—Heaters
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2913—Rod, strand, filament or fiber
- Y10T428/2933—Coated or with bond, impregnation or core
- Y10T428/294—Coated or with bond, impregnation or core including metal or compound thereof [excluding glass, ceramic and asbestos]
- Y10T428/2942—Plural coatings
- Y10T428/2949—Glass, ceramic or metal oxide in coating
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Solid Thermionic Cathode (AREA)
- Cold Cathode And The Manufacture (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CS622560 | 1960-10-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL269971A true NL269971A (enrdf_load_html_response) |
Family
ID=5408774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL269971D NL269971A (enrdf_load_html_response) | 1960-10-18 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3134691A (enrdf_load_html_response) |
| DE (1) | DE1240998B (enrdf_load_html_response) |
| FR (1) | FR1303897A (enrdf_load_html_response) |
| GB (1) | GB966377A (enrdf_load_html_response) |
| NL (1) | NL269971A (enrdf_load_html_response) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1355710A (fr) * | 1963-02-06 | 1964-03-20 | Radiotechnique | Perfectionnement aux filaments de chauffage de cathodes pour tubes électroniques |
| DE1281039B (de) * | 1963-09-25 | 1968-10-24 | Telefunken Patent | Verfahren zur Herstellung einer indirekt geheizten Kathode fuer Elektronenroehren |
| US3370978A (en) * | 1964-02-26 | 1968-02-27 | Sperry Rand Corp | Method of stabilizing tunneling insulator films |
| US4176293A (en) * | 1978-02-17 | 1979-11-27 | Varian Associates, Inc. | Thermionic cathode heater having reduced magnetic field |
| DE4420607A1 (de) * | 1994-06-13 | 1995-12-14 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | Elektrische Glühlampe und Leuchtkörper für Glühlampen |
| US8215002B2 (en) * | 2007-09-29 | 2012-07-10 | Osram Sylvania Inc. | Method of making a lamp coil |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US212860A (en) * | 1879-03-04 | Improvement in electric lights | ||
| BE359097A (enrdf_load_html_response) * | 1928-04-13 | |||
| US2128270A (en) * | 1928-04-30 | 1938-08-30 | Hans J Spanner | Lighting device |
| US2043720A (en) * | 1933-11-25 | 1936-06-09 | Rca Corp | Thermionic cathode heater and method of making it |
| GB684141A (en) * | 1950-03-29 | 1952-12-10 | Loewe Opta Ag | Method for applying insulating coatings to metallic conductive wires employed for heating |
| US2734857A (en) * | 1951-10-11 | 1956-02-14 | snyder | |
| US2985548A (en) * | 1957-12-26 | 1961-05-23 | Sylvania Electric Prod | Method of making a low density coating for an electron discharge device |
| US3029360A (en) * | 1958-04-29 | 1962-04-10 | Rca Corp | Heater wire coating process |
| DE1090774B (de) | 1959-03-20 | 1960-10-13 | Siemens Ag | Heizelement fuer mittelbar geheizte Kathoden und Verfahren zur Herstellung eines Isolierueberzuges |
| US3041210A (en) * | 1959-12-02 | 1962-06-26 | Tung Sol Electric Inc | Method of making cold cathodes for vacuum tubes and article |
| NL268393A (enrdf_load_html_response) | 1960-08-19 |
-
0
- NL NL269971D patent/NL269971A/xx unknown
-
1961
- 1961-10-03 US US142508A patent/US3134691A/en not_active Expired - Lifetime
- 1961-10-04 DE DET20889A patent/DE1240998B/de active Pending
- 1961-10-09 GB GB36179/61A patent/GB966377A/en not_active Expired
- 1961-10-17 FR FR876207A patent/FR1303897A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE1240998B (de) | 1967-05-24 |
| US3134691A (en) | 1964-05-26 |
| FR1303897A (fr) | 1962-09-14 |
| GB966377A (en) | 1964-08-12 |