FR848890A - Electron discharge device - Google Patents

Electron discharge device

Info

Publication number
FR848890A
FR848890A FR848890DA FR848890A FR 848890 A FR848890 A FR 848890A FR 848890D A FR848890D A FR 848890DA FR 848890 A FR848890 A FR 848890A
Authority
FR
France
Prior art keywords
discharge device
electron discharge
electron
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.)
RCA Corp
Original Assignee
RCA Corp
Radio Corporation of America
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 RCA Corp, Radio Corporation of America filed Critical RCA Corp
Application granted granted Critical
Publication of FR848890A publication Critical patent/FR848890A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H01J2893/00—Discharge tubes and lamps
    • H01J2893/0001—Electrodes and electrode systems suitable for discharge tubes or lamps
FR848890D 1938-01-29 1939-01-16 Electron discharge device Expired FR848890A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US848890XA 1938-01-29 1938-01-29

Publications (1)

Publication Number Publication Date
FR848890A true FR848890A (en) 1939-11-08

Family

ID=22187852

Family Applications (1)

Application Number Title Priority Date Filing Date
FR848890D Expired FR848890A (en) 1938-01-29 1939-01-16 Electron discharge device

Country Status (1)

Country Link
FR (1) FR848890A (en)

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