FR838493A - Electric discharge tubes - Google Patents

Electric discharge tubes

Info

Publication number
FR838493A
FR838493A FR838493DA FR838493A FR 838493 A FR838493 A FR 838493A FR 838493D A FR838493D A FR 838493DA FR 838493 A FR838493 A FR 838493A
Authority
FR
France
Prior art keywords
electric discharge
discharge tubes
tubes
electric
discharge
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.)
Hygrade Sylvania Corp
Original Assignee
Hygrade Sylvania Corp
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 Hygrade Sylvania Corp filed Critical Hygrade Sylvania Corp
Application granted granted Critical
Publication of FR838493A publication Critical patent/FR838493A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J5/00—Details relating to vessels or to leading-in conductors common to two or more basic types of discharge tubes or lamps
    • H01J5/50—Means forming part of the tube or lamps for the purpose of providing electrical connection to it
    • H01J5/54—Means forming part of the tube or lamps for the purpose of providing electrical connection to it supported by a separate part, e.g. base
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J19/00—Details of vacuum tubes of the types covered by group H01J21/00
    • H01J19/02—Electron-emitting electrodes; Cathodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J5/00—Details relating to vessels or to leading-in conductors common to two or more basic types of discharge tubes or lamps
    • H01J5/02—Vessels; Containers; Shields associated therewith; Vacuum locks
    • H01J5/12—Double-wall vessels or containers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J5/00—Details relating to vessels or to leading-in conductors common to two or more basic types of discharge tubes or lamps
    • H01J5/48—Means forming part of the tube or lamp for the purpose of supporting it
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00—Discharge tubes and lamps
    • H01J2893/0001—Electrodes and electrode systems suitable for discharge tubes or lamps
FR838493D 1937-05-28 1938-05-27 Electric discharge tubes Expired FR838493A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US145198A US2238025A (en) 1937-05-28 1937-05-28 Electron discharge device

Publications (1)

Publication Number Publication Date
FR838493A true FR838493A (en) 1939-03-07

Family

ID=22512024

Family Applications (1)

Application Number Title Priority Date Filing Date
FR838493D Expired FR838493A (en) 1937-05-28 1938-05-27 Electric discharge tubes

Country Status (3)

Country Link
US (1) US2238025A (en)
FR (1) FR838493A (en)
GB (3) GB516111A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE857538C (en) * 1941-06-26 1952-12-01 Telefunken Gmbh Putty-free, twist-proof attachment of a base to the pipe piston
US2490110A (en) * 1945-10-31 1949-12-06 Int Standard Electric Corp Vacuum tube
US3956658A (en) * 1945-11-28 1976-05-11 The United States Of America As Represented By The United States Energy Research And Development Administration Low impedance switch
FR925404A (en) * 1946-03-27 1947-09-03 Radio Electr Soc Fr Seasoning of vacuum tubes
US2934588A (en) * 1958-05-08 1960-04-26 Bell Telephone Labor Inc Semiconductor housing structure
US4720155A (en) * 1986-04-04 1988-01-19 Amphenol Corporation Databus coupler electrical connector

Also Published As

Publication number Publication date
GB516111A (en) 1939-12-22
GB516110A (en) 1939-12-22
US2238025A (en) 1941-04-08
GB516169A (en) 1939-12-22

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