FR1445867A - Improvements to automatic current control devices in electron tubes - Google Patents

Improvements to automatic current control devices in electron tubes

Info

Publication number
FR1445867A
FR1445867A FR27987A FR27987A FR1445867A FR 1445867 A FR1445867 A FR 1445867A FR 27987 A FR27987 A FR 27987A FR 27987 A FR27987 A FR 27987A FR 1445867 A FR1445867 A FR 1445867A
Authority
FR
France
Prior art keywords
current control
control devices
electron tubes
automatic current
automatic
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
FR27987A
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Application granted granted Critical
Publication of FR1445867A publication Critical patent/FR1445867A/en
Expired legal-status Critical Current

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
    • H01J1/135—Circuit arrangements therefor, e.g. for temperature control
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00—Conversion of dc power input into dc power output
    • H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
    • H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05G—X-RAY TECHNIQUE
    • H05G1/00—X-ray apparatus involving X-ray tubes; Circuits therefor
    • H05G1/08—Electrical details
    • H05G1/26—Measuring, controlling or protecting
    • H05G1/30—Controlling
    • H05G1/34—Anode current, heater current or heater voltage of X-ray tube
FR27987A 1964-08-14 1965-08-11 Improvements to automatic current control devices in electron tubes Expired FR1445867A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US389598A US3315124A (en) 1964-08-14 1964-08-14 Transistorized constant emission current regulator using a resonant transformer in the power supply

Publications (1)

Publication Number Publication Date
FR1445867A true FR1445867A (en) 1966-07-15

Family

ID=23538914

Family Applications (1)

Application Number Title Priority Date Filing Date
FR27987A Expired FR1445867A (en) 1964-08-14 1965-08-11 Improvements to automatic current control devices in electron tubes

Country Status (4)

Country Link
US (1) US3315124A (en)
DE (1) DE1489934A1 (en)
FR (1) FR1445867A (en)
GB (1) GB1112606A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3413517A (en) * 1967-01-13 1968-11-26 Ibm Filament current control by a superposed dithering voltage
US3544818A (en) * 1967-12-26 1970-12-01 Bell Telephone Labor Inc Thyristor switch circuit
US3760279A (en) * 1971-09-16 1973-09-18 United States Steel Corp Beam current limiting circuit
BE794165A (en) * 1972-01-19 1973-07-17 Philips Nv DEVICE EQUIPPED WITH A GAS AND / OR VAPOR DISCHARGE LAMP
US3949232A (en) * 1974-09-30 1976-04-06 Texaco Inc. High-voltage arc detector
US4724363A (en) * 1986-06-24 1988-02-09 General Electric Company Current control circuit for high voltage applications

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2850676A (en) * 1954-11-05 1958-09-02 Hewlett Packard Co Regulated filament supply
US2945160A (en) * 1957-07-29 1960-07-12 Phillips Petroleum Co Emission regulator
DE1144508B (en) * 1960-04-05 1963-02-28 Leybolds Nachfolger E Transistor-equipped circuit for keeping the emission current of a vacuum measuring tube constant
US3072822A (en) * 1961-05-19 1963-01-08 Julian C Holmes Emission current regulator
US3320474A (en) * 1963-11-01 1967-05-16 Gen Electric Emission current regulated power supply for thermionic filament

Also Published As

Publication number Publication date
DE1489934A1 (en) 1969-06-19
GB1112606A (en) 1968-05-08
US3315124A (en) 1967-04-18

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