FR571012A - Improvements to arc devices - Google Patents

Improvements to arc devices

Info

Publication number
FR571012A
FR571012A FR571012DA FR571012A FR 571012 A FR571012 A FR 571012A FR 571012D A FR571012D A FR 571012DA FR 571012 A FR571012 A FR 571012A
Authority
FR
France
Prior art keywords
arc devices
arc
devices
Prior art date
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
Other languages
French (fr)
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.)
Compagnie des Lampes
Original Assignee
Compagnie des Lampes
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 Compagnie des Lampes filed Critical Compagnie des Lampes
Application granted granted Critical
Publication of FR571012A publication Critical patent/FR571012A/en
Expired legal-status Critical Current

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
    • H01J61/54—Igniting arrangements, e.g. promoting ionisation for starting
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00—Discharge tubes and lamps
    • H01J2893/0072—Disassembly or repair of discharge tubes
    • H01J2893/0073—Discharge tubes with liquid poolcathodes; constructional details
    • H01J2893/0074—Cathodic cups; Screens; Reflectors; Filters; Windows; Protection against mercury deposition; Returning condensed electrode material to the cathodic cup; Liquid electrode level control
    • H01J2893/0087—Igniting means; Cathode spot maintaining or extinguishing means
FR571012D 1922-09-27 1923-09-24 Improvements to arc devices Expired FR571012A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US590981A US1563083A (en) 1922-09-27 1922-09-27 Electric arc device

Publications (1)

Publication Number Publication Date
FR571012A true FR571012A (en) 1924-05-10

Family

ID=10194524

Family Applications (1)

Application Number Title Priority Date Filing Date
FR571012D Expired FR571012A (en) 1922-09-27 1923-09-24 Improvements to arc devices

Country Status (3)

Country Link
US (1) US1563083A (en)
FR (1) FR571012A (en)
GB (1) GB227487A (en)

Also Published As

Publication number Publication date
GB227487A (en) 1925-01-19
US1563083A (en) 1925-11-24

Similar Documents

Publication Publication Date Title
FR562770A (en) Improvements to arc devices
FR571012A (en) Improvements to arc devices
FR557117A (en) Improvements to rotary mercury switches
FR551979A (en) Improvements to cutting devices
FR577680A (en) Improvements to acoustic devices
FR542381A (en) Improvements to electronic discharge devices
FR602569A (en) Improvements to gas conduction devices
FR553185A (en) Improvements to sharpening devices
FR614697A (en) Improvements to arc devices
FR569581A (en) Improvements to thermionic devices
FR570413A (en) Improvements to thermionic devices
FR541847A (en) Improvements to Arc Lamp Devices
FR574191A (en) Improvements to radio-receiver devices
FR550234A (en) Improvements to terrestrial induction devices
FR571112A (en) Improvements to thermo-ionic devices
FR546783A (en) Improvements to electronic discharge devices
FR565129A (en) Improvements to duplicating devices
FR541427A (en) Improvements to arc lamps
FR553369A (en) Improvements to wrenches
FR27536E (en) Improvements to projection devices
FR560015A (en) Improvements to electrodes
FR546288A (en) Improvements to electromagnetic devices
FR588243A (en) Improvements to electrically controlled devices
FR575420A (en) Improvements to electric shock devices
FR549269A (en) Improvements to electric arc devices