FR1271740A - Cold cathode electron tubes - Google Patents

Cold cathode electron tubes

Info

Publication number
FR1271740A
FR1271740A FR836775A FR836775A FR1271740A FR 1271740 A FR1271740 A FR 1271740A FR 836775 A FR836775 A FR 836775A FR 836775 A FR836775 A FR 836775A FR 1271740 A FR1271740 A FR 1271740A
Authority
FR
France
Prior art keywords
cold cathode
cathode electron
electron tubes
tubes
cold
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
FR836775A
Other languages
French (fr)
Inventor
Heisuke Ishiwara
Hisao Takayama
Shiro Otani
Ichiro Okazaki
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.)
NEC Corp
Original Assignee
Nippon Electric Co 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 Nippon Electric Co Ltd filed Critical Nippon Electric Co Ltd
Priority to FR836775A priority Critical patent/FR1271740A/en
Application granted granted Critical
Publication of FR1271740A publication Critical patent/FR1271740A/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
    • H01J1/30—Cold cathodes, e.g. field-emissive cathode
    • 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
    • H01J1/32—Secondary-electron-emitting electrodes
FR836775A 1959-08-24 1960-08-24 Cold cathode electron tubes Expired FR1271740A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR836775A FR1271740A (en) 1959-08-24 1960-08-24 Cold cathode electron tubes

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2718859 1959-08-24
FR836775A FR1271740A (en) 1959-08-24 1960-08-24 Cold cathode electron tubes

Publications (1)

Publication Number Publication Date
FR1271740A true FR1271740A (en) 1961-09-15

Family

ID=26187273

Family Applications (1)

Application Number Title Priority Date Filing Date
FR836775A Expired FR1271740A (en) 1959-08-24 1960-08-24 Cold cathode electron tubes

Country Status (1)

Country Link
FR (1) FR1271740A (en)

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