FR2320630B1 - - Google Patents

Info

Publication number
FR2320630B1
FR2320630B1 FR7623541A FR7623541A FR2320630B1 FR 2320630 B1 FR2320630 B1 FR 2320630B1 FR 7623541 A FR7623541 A FR 7623541A FR 7623541 A FR7623541 A FR 7623541A FR 2320630 B1 FR2320630 B1 FR 2320630B1
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
FR7623541A
Other languages
French (fr)
Other versions
FR2320630A1 (en
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.)
Teledyne UK Ltd
Original Assignee
English Electric Valve 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 English Electric Valve Co Ltd filed Critical English Electric Valve Co Ltd
Publication of FR2320630A1 publication Critical patent/FR2320630A1/en
Application granted granted Critical
Publication of FR2320630B1 publication Critical patent/FR2320630B1/fr
Granted 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
    • H01J23/087—Magnetic focusing arrangements
    • H01J23/0873—Magnetic focusing arrangements with at least one axial-field reversal along the interaction space, e.g. P.P.M. focusing
FR7623541A 1975-08-02 1976-08-02 PROGRESSIVE WAVE TUBE Granted FR2320630A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3242175A GB1489810A (en) 1975-08-02 1975-08-02 Travelling wave tubes

Publications (2)

Publication Number Publication Date
FR2320630A1 FR2320630A1 (en) 1977-03-04
FR2320630B1 true FR2320630B1 (en) 1979-05-25

Family

ID=10338344

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7623541A Granted FR2320630A1 (en) 1975-08-02 1976-08-02 PROGRESSIVE WAVE TUBE

Country Status (4)

Country Link
DE (1) DE2634750A1 (en)
FR (1) FR2320630A1 (en)
GB (1) GB1489810A (en)
NL (1) NL7608488A (en)

Also Published As

Publication number Publication date
FR2320630A1 (en) 1977-03-04
GB1489810A (en) 1977-10-26
DE2634750A1 (en) 1977-02-17
NL7608488A (en) 1977-02-04

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Legal Events

Date Code Title Description
ST Notification of lapse