FR1207892A - Canon électronique à faible bruit de fond - Google Patents

Canon électronique à faible bruit de fond

Info

Publication number
FR1207892A
FR1207892A FR1207892DA FR1207892A FR 1207892 A FR1207892 A FR 1207892A FR 1207892D A FR1207892D A FR 1207892DA FR 1207892 A FR1207892 A FR 1207892A
Authority
FR
France
Prior art keywords
background noise
low background
electronic cannon
cannon
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
Other languages
English (en)
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.)
Raytheon Co
Original Assignee
Hughes Aircraft Co
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 Hughes Aircraft Co filed Critical Hughes Aircraft Co
Application granted granted Critical
Publication of FR1207892A publication Critical patent/FR1207892A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J23/00—Details of transit-time tubes of the types covered by group H01J25/00
    • H01J23/02—Electrodes; Magnetic control means; Screens
    • H01J23/06—Electron or ion guns
    • H01J23/07—Electron or ion guns producing a hollow cylindrical beam
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J23/00—Details of transit-time tubes of the types covered by group H01J25/00
    • H01J23/02—Electrodes; Magnetic control means; Screens
    • H01J23/04—Cathodes
    • H01J23/05—Cathodes having a cylindrical emissive surface, e.g. cathodes for magnetrons
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J3/00—Details of electron-optical or ion-optical arrangements or of ion traps common to two or more basic types of discharge tubes or lamps
    • H01J3/02—Electron guns
    • H01J3/029—Schematic arrangements for beam forming
FR1207892D 1958-07-04 1958-07-23 Canon électronique à faible bruit de fond Expired FR1207892A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2158158A GB851626A (en) 1958-07-04 1958-07-04 Improvements in or relating to low noise electron guns

Publications (1)

Publication Number Publication Date
FR1207892A true FR1207892A (fr) 1960-02-19

Family

ID=10165319

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1207892D Expired FR1207892A (fr) 1958-07-04 1958-07-23 Canon électronique à faible bruit de fond

Country Status (3)

Country Link
BE (1) BE569855A (en, 2012)
FR (1) FR1207892A (en, 2012)
GB (1) GB851626A (en, 2012)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5377905A (en) * 1992-08-28 1995-01-03 Philip Morris Incorporated Packaging box, blank therefor, and method of assembly

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5377905A (en) * 1992-08-28 1995-01-03 Philip Morris Incorporated Packaging box, blank therefor, and method of assembly

Also Published As

Publication number Publication date
GB851626A (en) 1960-10-19
BE569855A (en, 2012) 1958-08-14

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