FR2117177A5 - - Google Patents

Info

Publication number
FR2117177A5
FR2117177A5 FR7142885A FR7142885A FR2117177A5 FR 2117177 A5 FR2117177 A5 FR 2117177A5 FR 7142885 A FR7142885 A FR 7142885A FR 7142885 A FR7142885 A FR 7142885A FR 2117177 A5 FR2117177 A5 FR 2117177A5
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
Application number
FR7142885A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR2117177A5 publication Critical patent/FR2117177A5/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
FR7142885A 1970-12-03 1971-11-30 Expired FR2117177A5 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702059572 DE2059572A1 (de) 1970-12-03 1970-12-03 Verfahren zur Herstellung von kalten Kathoden fuer Gasentladungsroehren

Publications (1)

Publication Number Publication Date
FR2117177A5 true FR2117177A5 (fr) 1972-07-21

Family

ID=5789920

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7142885A Expired FR2117177A5 (fr) 1970-12-03 1971-11-30

Country Status (7)

Country Link
US (1) US3758184A (fr)
BE (1) BE776179A (fr)
CA (1) CA934438A (fr)
DE (1) DE2059572A1 (fr)
FR (1) FR2117177A5 (fr)
GB (1) GB1343094A (fr)
NL (1) NL7116337A (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JPS5598434A (en) 1979-01-22 1980-07-26 Toshiba Corp Electrode for discharge tube
US4275330A (en) * 1979-03-08 1981-06-23 General Electric Company Electric discharge lamp having a cathode with cesium metal oxide
US4294498A (en) * 1979-10-17 1981-10-13 Luit Richard D Van Wall cabinet and method of making
DE3221439A1 (de) * 1982-06-07 1983-12-08 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 8000 München Elektrische entladungslampe
KR920001335B1 (ko) * 1989-11-10 1992-02-10 삼성전관 주식회사 디스펜서 음극
US6825613B2 (en) 2002-09-12 2004-11-30 Colour Star Limited Mercury gas discharge device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2913615A (en) * 1958-05-14 1959-11-17 Gen Electric Cathode
US3521107A (en) * 1968-08-26 1970-07-21 Gen Electric Flashtube getter electrode
US3615901A (en) * 1969-12-01 1971-10-26 Gustav K Medicus Method of making a plastically shapeable cathode material

Also Published As

Publication number Publication date
CA934438A (en) 1973-09-25
NL7116337A (fr) 1972-06-06
BE776179A (fr) 1972-06-02
US3758184A (en) 1973-09-11
DE2059572A1 (de) 1972-06-08
GB1343094A (en) 1974-01-10

Similar Documents

Publication Publication Date Title
FR2117177A5 (fr)
AU2044470A (fr)
AU1146470A (fr)
AU1473870A (fr)
AU1326870A (fr)
AU2017870A (fr)
AU1517670A (fr)
AU2085370A (fr)
AU2130570A (fr)
AU1336970A (fr)
AU409547B2 (fr)
AU1247570A (fr)
AU2144270A (fr)
AU1974970A (fr)
AU2130770A (fr)
AU2115870A (fr)
AU1581370A (fr)
AU2061170A (fr)
AU2112570A (fr)
AU1591370A (fr)
AU2119370A (fr)
AU1328670A (fr)
AU1603270A (fr)
AU1277070A (fr)
AU1235770A (fr)

Legal Events

Date Code Title Description
ST Notification of lapse