FR776363A - Improvements to electronic discharge devices - Google Patents

Improvements to electronic discharge devices

Info

Publication number
FR776363A
FR776363A FR776363DA FR776363A FR 776363 A FR776363 A FR 776363A FR 776363D A FR776363D A FR 776363DA FR 776363 A FR776363 A FR 776363A
Authority
FR
France
Prior art keywords
discharge devices
electronic discharge
electronic
devices
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.)
EMI Ltd
Electrical and Musical Industries Ltd
Original Assignee
EMI Ltd
Electrical and Musical Industries Ltd
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 EMI Ltd, Electrical and Musical Industries Ltd filed Critical EMI Ltd
Application granted granted Critical
Publication of FR776363A publication Critical patent/FR776363A/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
FR776363D 1933-08-02 1934-07-23 Improvements to electronic discharge devices Expired FR776363A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB776363X 1933-08-02

Publications (1)

Publication Number Publication Date
FR776363A true FR776363A (en) 1935-01-24

Family

ID=10497514

Family Applications (1)

Application Number Title Priority Date Filing Date
FR776363D Expired FR776363A (en) 1933-08-02 1934-07-23 Improvements to electronic discharge devices

Country Status (1)

Country Link
FR (1) FR776363A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE757350C (en) * 1936-02-26 1954-08-02 Rca Corp Electron tubes

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE757350C (en) * 1936-02-26 1954-08-02 Rca Corp Electron tubes

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