US2899594A
(en)
*
|
|
1959-08-11 |
|
johnson |
DE974465C
(en)
*
|
1949-02-19 |
1961-01-05 |
Siemens Ag |
Wanderfeldverstaerkerroehre
|
US2820172A
(en)
*
|
1949-06-21 |
1958-01-14 |
Bell Telephone Labor Inc |
High frequency amplifying device
|
US2767344A
(en)
*
|
1949-12-30 |
1956-10-16 |
Bell Telephone Labor Inc |
Electronic amplifier
|
DE973486C
(en)
*
|
1950-12-06 |
1960-03-03 |
Elektronik Ges Mit Beschraenkt |
Electron tube for very short electromagnetic waves traveling along a helical delay line
|
NL158347B
(en)
*
|
1951-01-04 |
|
Matsushita Electric Ind Co Ltd |
TELEVISION TRANSMITTER FOR SEQUENTIAL AND ALTERNATING PER HORIZONTAL SCAN PERIOD TRANSMISSION OF VIDEO SIGNALS FOR MONOCHROMATIC IMAGES ASSOCIATED WITH TWO DIFFERENT TELEVISION PROGRAMS.
|
DE973327C
(en)
*
|
1951-04-19 |
1960-01-21 |
Standard Elek K Lorenz Ag |
Traveling coil tubes with self-supporting tube system
|
NL192715A
(en)
*
|
1951-06-30 |
|
|
|
US2817037A
(en)
*
|
1951-08-04 |
1957-12-17 |
Rca Corp |
Traveling wave electron tubes and circuits
|
DE962189C
(en)
*
|
1951-11-20 |
1957-04-18 |
Siemens Ag |
From a helically shaped wire or the like. Existing waveguides for traveling wave tubes or other arrangements for very high frequencies
|
US2843790A
(en)
*
|
1951-12-14 |
1958-07-15 |
Bell Telephone Labor Inc |
Traveling wave amplifier
|
DE1026440B
(en)
*
|
1952-02-11 |
1958-03-20 |
Telefunken Gmbh |
Circuit for operating an electric discharge tube for very short electric waves
|
DE948994C
(en)
*
|
1952-04-08 |
1956-09-13 |
Siemens Ag |
Electron tubes for very short waves
|
US2987644A
(en)
*
|
1952-04-08 |
1961-06-06 |
Itt |
Radio frequency impedance matching section
|
USRE24794E
(en)
*
|
1952-06-12 |
1960-03-15 |
|
quate |
US2801360A
(en)
*
|
1952-08-23 |
1957-07-30 |
Bell Telephone Labor Inc |
Traveling wave tube
|
NL90850C
(en)
*
|
1952-10-17 |
|
|
|
US2824257A
(en)
*
|
1953-03-03 |
1958-02-18 |
Gen Electric |
Traveling wave tube
|
DE1127496B
(en)
*
|
1953-03-30 |
1962-04-12 |
Western Electric Co |
Traveling field pipes
|
US2843793A
(en)
*
|
1953-03-30 |
1958-07-15 |
Bell Telephone Labor Inc |
Electrostatic focusing of electron beams
|
US2843776A
(en)
*
|
1953-03-30 |
1958-07-15 |
Bell Telephone Labor Inc |
Traveling wave tube electron gun
|
US2855537A
(en)
*
|
1953-04-29 |
1958-10-07 |
Bell Telephone Labor Inc |
Electron beam focusing
|
US2905858A
(en)
*
|
1953-06-30 |
1959-09-22 |
Bell Telephone Labor Inc |
Impedance matching by means of coupled helices
|
US2935640A
(en)
*
|
1954-03-24 |
1960-05-03 |
Hughes Aircraft Co |
Traveling wave amplifier
|
US2834909A
(en)
*
|
1954-06-17 |
1958-05-13 |
Varian Associates |
Traveling wave electron discharge device
|
US2957103A
(en)
*
|
1954-08-19 |
1960-10-18 |
Hughes Aircraft Co |
High power microwave tube
|
US2889487A
(en)
*
|
1954-09-15 |
1959-06-02 |
Hughes Aircraft Co |
Traveling-wave tube
|
BE556363A
(en)
*
|
1954-09-16 |
|
|
|
US2887609A
(en)
*
|
1954-10-08 |
1959-05-19 |
Rca Corp |
Traveling wave tube
|
US2823333A
(en)
*
|
1954-10-29 |
1958-02-11 |
Bell Telephone Labor Inc |
Traveling wave tube
|
NL200546A
(en)
*
|
1954-10-29 |
|
|
|
US2819424A
(en)
*
|
1954-12-02 |
1958-01-07 |
Hughes Aircraft Co |
Electron gun for traveling wave tube
|
US2885593A
(en)
*
|
1954-12-07 |
1959-05-05 |
Bell Telephone Labor Inc |
Coupled lines systems
|
US2822501A
(en)
*
|
1955-01-10 |
1958-02-04 |
Research Corp |
Slow-wave guide for traveling wave tubes
|
US2943229A
(en)
*
|
1955-01-25 |
1960-06-28 |
Gen Electric |
Slow wave structures
|
US2806975A
(en)
*
|
1955-04-01 |
1957-09-17 |
Hughes Aircraft Co |
Transition from bifilar helix to waveguide for backward wave oscillator
|
US2925565A
(en)
*
|
1955-05-12 |
1960-02-16 |
Bell Telephone Labor Inc |
Coaxial couplers
|
US2941112A
(en)
*
|
1955-07-25 |
1960-06-14 |
Gen Electric |
Electric discharge device
|
US2859375A
(en)
*
|
1955-08-04 |
1958-11-04 |
Hughes Aircraft Co |
Multifilar helix coupling
|
US2890369A
(en)
*
|
1956-10-02 |
1959-06-09 |
Sylvania Electric Prod |
Attenuator
|
US3032676A
(en)
*
|
1957-02-19 |
1962-05-01 |
Raytheon Co |
Traveling wave tubes
|
FR1235416A
(en)
*
|
1959-05-26 |
1960-07-08 |
Csf |
Improvements to traveling wave tubes type o
|
DE1264626B
(en)
*
|
1959-09-16 |
1968-03-28 |
Telefunken Patent |
Mounting arrangement for the electrodes of a running field tube, the hollow-cylindrical interaction space of which is penetrated by an electrostatically bundled hollow electron beam
|
US3032680A
(en)
*
|
1960-12-29 |
1962-05-01 |
Bell Telephone Labor Inc |
Coaxial cavity magnetron
|
NL286786A
(en)
*
|
1962-12-14 |
1965-02-10 |
|
|
US3383543A
(en)
*
|
1964-12-21 |
1968-05-14 |
Raytheon Co |
Gridded ion-drain electrode structure for traveling wave devices
|
FR2075837A1
(en)
*
|
1969-12-16 |
1971-10-15 |
Thomson Csf |
|