FR2175830B3 - - Google Patents

Info

Publication number
FR2175830B3
FR2175830B3 FR7308438A FR7308438A FR2175830B3 FR 2175830 B3 FR2175830 B3 FR 2175830B3 FR 7308438 A FR7308438 A FR 7308438A FR 7308438 A FR7308438 A FR 7308438A FR 2175830 B3 FR2175830 B3 FR 2175830B3
Authority
FR
France
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
FR7308438A
Other languages
French (fr)
Other versions
FR2175830A1 (ref
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.)
Unisys Corp
Original Assignee
Sperry Rand Corp
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 Sperry Rand Corp filed Critical Sperry Rand Corp
Publication of FR2175830A1 publication Critical patent/FR2175830A1/fr
Application granted granted Critical
Publication of FR2175830B3 publication Critical patent/FR2175830B3/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
    • H01J23/08—Focusing arrangements, e.g. for concentrating stream of electrons, for preventing spreading of stream
    • H01J23/083—Electrostatic focusing arrangements
FR7308438A 1972-03-10 1973-03-09 Expired FR2175830B3 (ref)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US23368272A 1972-03-10 1972-03-10

Publications (2)

Publication Number Publication Date
FR2175830A1 FR2175830A1 (ref) 1973-10-26
FR2175830B3 true FR2175830B3 (ref) 1976-03-05

Family

ID=22878270

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7308438A Expired FR2175830B3 (ref) 1972-03-10 1973-03-09

Country Status (3)

Country Link
DE (1) DE2312069A1 (ref)
FR (1) FR2175830B3 (ref)
GB (1) GB1379184A (ref)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0199515B1 (en) * 1985-04-24 1990-12-12 Eev Limited Coupled cavity travelling wave tubes
GB2174236B (en) * 1985-04-24 1989-10-04 English Electric Valve Co Ltd Coupled cavity travelling wave tubes

Also Published As

Publication number Publication date
GB1379184A (en) 1975-01-02
FR2175830A1 (ref) 1973-10-26
DE2312069A1 (de) 1973-09-13

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Legal Events

Date Code Title Description
ST Notification of lapse