FR1270171A - Improvements to electronic tubes - Google Patents

Improvements to electronic tubes

Info

Publication number
FR1270171A
FR1270171A FR840675A FR840675A FR1270171A FR 1270171 A FR1270171 A FR 1270171A FR 840675 A FR840675 A FR 840675A FR 840675 A FR840675 A FR 840675A FR 1270171 A FR1270171 A FR 1270171A
Authority
FR
France
Prior art keywords
electronic tubes
tubes
electronic
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
FR840675A
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.)
Associated Electrical Industries Ltd
Original Assignee
Associated Electrical 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
Priority claimed from GB3435259A external-priority patent/GB884137A/en
Application filed by Associated Electrical Industries Ltd filed Critical Associated Electrical Industries Ltd
Priority to FR840675A priority Critical patent/FR1270171A/en
Application granted granted Critical
Publication of FR1270171A publication Critical patent/FR1270171A/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
    • H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
FR840675A 1959-10-09 1960-10-08 Improvements to electronic tubes Expired FR1270171A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR840675A FR1270171A (en) 1959-10-09 1960-10-08 Improvements to electronic tubes

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB3435259A GB884137A (en) 1959-10-09 1959-10-09 Improvements relating to electron discharge devices
FR840675A FR1270171A (en) 1959-10-09 1960-10-08 Improvements to electronic tubes

Publications (1)

Publication Number Publication Date
FR1270171A true FR1270171A (en) 1961-08-25

Family

ID=26187752

Family Applications (1)

Application Number Title Priority Date Filing Date
FR840675A Expired FR1270171A (en) 1959-10-09 1960-10-08 Improvements to electronic tubes

Country Status (1)

Country Link
FR (1) FR1270171A (en)

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