NL248481A - - Google Patents

Info

Publication number
NL248481A
NL248481A NL248481DA NL248481A NL 248481 A NL248481 A NL 248481A NL 248481D A NL248481D A NL 248481DA NL 248481 A NL248481 A NL 248481A
Authority
NL
Netherlands
Application number
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.)
Publication of NL248481A publication Critical patent/NL248481A/xx
Priority claimed from GB547460A external-priority patent/GB934149A/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J25/00—Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
    • H01J25/34—Travelling-wave tubes; Tubes in which a travelling wave is simulated at spaced gaps
    • H01J25/49—Tubes using the parametric principle, e.g. for parametric amplification
NL248481D 1959-02-17 NL248481A (US06291589-20010918-C00001.png)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB5474/59A GB937863A (en) 1959-02-17 1959-02-17 Parametric amplifier
GB547460A GB934149A (en) 1959-02-17 1960-02-04 Improvements in or relating to excavating and/or loading machines

Publications (1)

Publication Number Publication Date
NL248481A true NL248481A (US06291589-20010918-C00001.png)

Family

ID=26239912

Family Applications (2)

Application Number Title Priority Date Filing Date
NL248481D NL248481A (US06291589-20010918-C00001.png) 1959-02-17
NL135895D NL135895C (US06291589-20010918-C00001.png) 1959-02-17

Family Applications After (1)

Application Number Title Priority Date Filing Date
NL135895D NL135895C (US06291589-20010918-C00001.png) 1959-02-17

Country Status (6)

Country Link
AT (1) AT216574B (US06291589-20010918-C00001.png)
CH (1) CH389038A (US06291589-20010918-C00001.png)
DE (1) DE1117780B (US06291589-20010918-C00001.png)
FR (1) FR1248808A (US06291589-20010918-C00001.png)
GB (1) GB937863A (US06291589-20010918-C00001.png)
NL (2) NL135895C (US06291589-20010918-C00001.png)

Also Published As

Publication number Publication date
CH389038A (de) 1965-03-15
DE1117780B (de) 1961-11-23
GB937863A (en) 1963-09-25
AT216574B (de) 1961-08-10
NL135895C (US06291589-20010918-C00001.png)
FR1248808A (fr) 1960-12-23

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