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US2558021A
(en)
*
|
1939-03-08 |
1951-06-26 |
Univ Leland Stanford Junior |
Thermionic vacuum tube and circuit
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|
US2504494A
(en)
*
|
1940-03-05 |
1950-04-18 |
Emi Ltd |
Transmission line seal for electron discharge devices
|
|
FR958885A
(US06168776-20010102-C00041.png)
*
|
1940-05-17 |
1950-03-21 |
|
|
|
US2424002A
(en)
*
|
1940-11-04 |
1947-07-15 |
Research Corp |
High-frequency electronic tube
|
|
GB580002A
(en)
*
|
1941-02-21 |
1946-08-23 |
Standard Telephones Cables Ltd |
Improvements in electron discharge tubes and resonant circuits therefor
|
|
BE479787A
(US06168776-20010102-C00041.png)
*
|
1941-12-12 |
|
|
|
|
US2416315A
(en)
*
|
1942-06-04 |
1947-02-25 |
Bell Telephone Labor Inc |
Electron discharge device
|
|
US2427558A
(en)
*
|
1942-06-24 |
1947-09-16 |
Gen Electric |
High-frequency oscillator
|
|
US2462877A
(en)
*
|
1942-11-23 |
1949-03-01 |
Standard Telephones Cables Ltd |
Electron discharge device
|
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US2466067A
(en)
*
|
1942-12-07 |
1949-04-05 |
Sperry Corp |
High-frequency apparatus
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|
US2466063A
(en)
*
|
1943-02-03 |
1949-04-05 |
Sperry Corp |
High-power high-frequency electron discharge apparatus
|
|
US2432571A
(en)
*
|
1943-02-24 |
1947-12-16 |
Rca Corp |
Electron discharge device employing resonators
|
|
US2561727A
(en)
*
|
1943-07-07 |
1951-07-24 |
Harold G Cooper |
Tuning of electrical resonators
|
|
US2548567A
(en)
*
|
1943-09-03 |
1951-04-10 |
Hartford Nat Bank & Trust Co |
Magnetron oscillator
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US2434115A
(en)
*
|
1943-11-26 |
1948-01-06 |
Gen Electric |
Electric discharge device and coaxial line cavity resonator therefor
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|
US2423444A
(en)
*
|
1944-01-07 |
1947-07-08 |
Bell Telephone Labor Inc |
Electronic discharge device for ultra high frequency energy generation
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US2446017A
(en)
*
|
1944-01-29 |
1948-07-27 |
Gen Electric |
Ultra high frequency electric discharge device and cavity resonator apparatus therefor
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US2450629A
(en)
*
|
1944-03-14 |
1948-10-05 |
Gen Electric |
Ultra high frequency magnetron generator
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US2461168A
(en)
*
|
1944-07-11 |
1949-02-08 |
Oran T Mcilvaine |
Resonant spark plug
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GB588371A
(en)
*
|
1944-09-01 |
1947-05-21 |
Standard Electrica Sa |
Improvements in or relating to electron discharge devices
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US2502530A
(en)
*
|
1945-01-13 |
1950-04-04 |
Bell Telephone Labor Inc |
Electron discharge device for ultra high frequencies
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|
US2501095A
(en)
*
|
1945-09-21 |
1950-03-21 |
Us Sec War |
Electron tube of the velocity modulation type
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|
US2617962A
(en)
*
|
1945-10-19 |
1952-11-11 |
Jack W Keuffel |
Velocity modulation tube
|
|
US2472204A
(en)
*
|
1946-03-01 |
1949-06-07 |
Fubini Eugene |
High-frequency concentric line oscillator
|
|
US2509374A
(en)
*
|
1946-06-07 |
1950-05-30 |
Philco Corp |
Electromagnetic wave amplifier
|
|
US2506644A
(en)
*
|
1947-12-18 |
1950-05-09 |
Rca Corp |
Coaxial electron discharge device
|
|
US2657329A
(en)
*
|
1950-02-21 |
1953-10-27 |
Sperry Corp |
Traveling wave tube
|
|
US2646470A
(en)
*
|
1950-03-25 |
1953-07-21 |
Machlett Lab Inc |
Ultrahigh-frequency tetrode
|
|
US2840647A
(en)
*
|
1956-05-23 |
1958-06-24 |
Rca Corp |
Input and output coaxial-type circuits for double ended vacuum tubess
|
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US2945158A
(en)
*
|
1957-03-07 |
1960-07-12 |
Gen Electric |
Signal processing arrangement
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FR2728386B1
(fr)
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1994-12-20 |
1997-01-24 |
Thomson Tubes Electroniques |
Tube electronique a grille a performances ameliorees
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US6084353A
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*
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1997-06-03 |
2000-07-04 |
Communications And Power Industries, Inc. |
Coaxial inductive output tube having an annular output cavity
|
