NL272981A - - Google Patents
Info
- Publication number
- NL272981A NL272981A NL272981DA NL272981A NL 272981 A NL272981 A NL 272981A NL 272981D A NL272981D A NL 272981DA NL 272981 A NL272981 A NL 272981A
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/04—Electrodes; Screens; Shields
- H01J61/06—Main electrodes
- H01J61/073—Main electrodes for high-pressure discharge lamps
- H01J61/0735—Main electrodes for high-pressure discharge lamps characterised by the material of the electrode
-
- 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
- H01J1/28—Dispenser-type cathodes, e.g. L-cathode
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J17/00—Gas-filled discharge tubes with solid cathode
- H01J17/02—Details
- H01J17/04—Electrodes; Screens
- H01J17/06—Cathodes
- H01J17/066—Cold cathodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2893/00—Discharge tubes and lamps
- H01J2893/0064—Tubes with cold main electrodes (including cold cathodes)
- H01J2893/0065—Electrode systems
- H01J2893/0066—Construction, material, support, protection and temperature regulation of electrodes; Electrode cups
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEP26325A DE1187730B (de) | 1961-01-02 | 1961-01-02 | Elektrode fuer Gas- und/oder Dampfentladungslampen |
Publications (1)
Publication Number | Publication Date |
---|---|
NL272981A true NL272981A (xx) |
Family
ID=7370418
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL272981D NL272981A (xx) | 1961-01-02 |
Country Status (6)
Country | Link |
---|---|
US (1) | US3244929A (xx) |
BE (1) | BE612125A (xx) |
CH (1) | CH401261A (xx) |
DE (1) | DE1187730B (xx) |
GB (1) | GB953023A (xx) |
NL (1) | NL272981A (xx) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1541026B2 (de) * | 1966-12-14 | 1971-08-19 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Kreiszylindrische kathode fuer eine magnetroehre |
US3548242A (en) * | 1967-05-16 | 1970-12-15 | Sylvania Electric Prod | High pressure electric discharge device and cathode |
US3558964A (en) * | 1968-10-21 | 1971-01-26 | Gen Electric | High current thermionic hollow cathode lamp |
DE2245717A1 (de) * | 1972-09-18 | 1974-03-28 | Patra Patent Treuhand | Elektrode mit einem poroesen sinterkoerper |
JPS5241736Y2 (xx) * | 1973-01-05 | 1977-09-21 | ||
ZA744074B (en) * | 1973-07-23 | 1975-06-25 | Siemens Ag | Improvements in or relating to a mass for a high-temperature-resistant emission electrode and process for the production of said mass |
HU179748B (en) * | 1974-01-15 | 1982-12-28 | Ferenc Puskas | Cathode of a metal ceramic sintered body produced by dust metalurgy for closing discharge tube of sodium vapour lamp and process for the production thereof |
US4097762A (en) * | 1975-08-14 | 1978-06-27 | International Telephone & Telegraph Corporation | Xenon arc discharge lamp having a particular electrode composition and wherein the arc discharge is obtained without heating the electrode |
JPS5523813U (xx) * | 1978-07-26 | 1980-02-15 | ||
FR2494035A1 (fr) * | 1980-11-07 | 1982-05-14 | Thomson Csf | Cathode thermo-electronique pour tube hyperfrequences et tube incorporant une telle cathode |
DE4114487A1 (de) * | 1991-05-03 | 1992-11-05 | Wilhelm Dr Ing Ziegenbein | Hochleistungs-gluehkathode |
US5847498A (en) * | 1994-12-23 | 1998-12-08 | Philips Electronics North America Corporation | Multiple layer composite electrodes for discharge lamps |
GB9525776D0 (en) * | 1995-12-16 | 1996-02-14 | Heraeus Noblelight Limited | Improved lamp construction |
DE19652822A1 (de) | 1996-12-18 | 1998-06-25 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | Sinterelektrode |
DE19757152C2 (de) * | 1997-12-20 | 2002-10-31 | Thomas Eggers | Elektrode für Entladungslampen |
JP2007095665A (ja) * | 2005-09-02 | 2007-04-12 | Sony Corp | ショートアーク型高圧放電電極、ショートアーク型高圧放電管、ショートアーク型高圧放電光源装置、及びそれらの各製造方法 |
JP4725389B2 (ja) * | 2006-03-29 | 2011-07-13 | ウシオ電機株式会社 | 高圧放電ランプ |
US8138662B2 (en) * | 2006-12-18 | 2012-03-20 | Osram Ag | Electrode for a discharge lamp |
DE102013203738A1 (de) * | 2013-03-05 | 2014-09-11 | Von Ardenne Gmbh | Gasentladungslampe und Verfahren zu ihrer Ansteuerung |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE295395C (xx) * | ||||
US1520794A (en) * | 1921-06-03 | 1924-12-30 | Frederick W Zons | Refractory alloy for wires and rods |
US1922244A (en) * | 1930-09-13 | 1933-08-15 | Fansteel Prod Co Inc | Electrode and method of making the same |
DE692702C (de) * | 1934-09-15 | 1940-06-25 | Osram G M B H Komm Ges | Elektrisches Entladungsgefaess, insbesondere elektrische Metalldampflampe, mit entladungsgeheizter Elektrode |
US2202108A (en) * | 1937-07-13 | 1940-05-28 | Company Fidelity Union Trust | Refractory metal composition |
US2185410A (en) * | 1938-09-30 | 1940-01-02 | Rca Corp | Metal compositions |
BE463969A (xx) * | 1940-11-25 | |||
DE968579C (de) * | 1941-09-02 | 1958-03-06 | Felix Mueller Dr Ing | Elektrische Hochdruck-Entladungsroehre fuer Beleuchtungs- und Strahlungszwecke |
US2492142A (en) * | 1945-10-17 | 1949-12-27 | Kenneth J Germeshausen | Electric system embodying coldcathode gaseous discharge device |
US2460738A (en) * | 1946-04-17 | 1949-02-01 | Gen Electric | Electrode construction |
US2473550A (en) * | 1947-08-19 | 1949-06-21 | Raytheon Mfg Co | Directly heated cathode |
DE929379C (de) * | 1949-07-01 | 1955-06-27 | Lumalampan Ab | Elektrode fuer elektrische Niederdruck-Entladungsroehren |
US2886737A (en) * | 1949-11-11 | 1959-05-12 | Fruengel Frank | Quick-responsive spark gap device |
AT176613B (de) * | 1951-07-17 | 1953-11-10 | Philips Nv | Vorratskathode |
DE971276C (de) * | 1952-02-12 | 1958-12-31 | Siemens Ag | Verfahren zur Herstellung einer Kathode fuer elektrische Entladungsgefaesse |
-
0
- NL NL272981D patent/NL272981A/xx unknown
-
1961
- 1961-01-02 DE DEP26325A patent/DE1187730B/de active Pending
- 1961-12-08 CH CH1424661A patent/CH401261A/de unknown
- 1961-12-26 US US161849A patent/US3244929A/en not_active Expired - Lifetime
- 1961-12-29 GB GB46629/61A patent/GB953023A/en not_active Expired
- 1961-12-29 BE BE612125A patent/BE612125A/fr unknown
Also Published As
Publication number | Publication date |
---|---|
GB953023A (en) | 1964-03-25 |
DE1187730B (de) | 1965-02-25 |
BE612125A (fr) | 1962-04-16 |
US3244929A (en) | 1966-04-05 |
CH401261A (de) | 1965-10-31 |