FR66230E - Traveling wave electronic device - Google Patents

Traveling wave electronic device

Info

Publication number
FR66230E
FR66230E FR66230DA FR66230E FR 66230 E FR66230 E FR 66230E FR 66230D A FR66230D A FR 66230DA FR 66230 E FR66230 E FR 66230E
Authority
FR
France
Prior art keywords
electronic device
traveling wave
wave electronic
traveling
wave
Prior art date
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
Other languages
French (fr)
Inventor
Werner Klein
Walter Friz
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric 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 International Standard Electric Corp filed Critical International Standard Electric Corp
Application granted granted Critical
Publication of FR66230E publication Critical patent/FR66230E/en
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
    • H01J23/087—Magnetic focusing arrangements
    • H01J23/0876—Magnetic focusing arrangements with arrangements improving the linearity and homogeniety of the axial field, e.g. field straightener
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/14—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by electrical means
    • B05D3/141—Plasma treatment
    • B05D3/142—Pretreatment
    • B05D3/144—Pretreatment of polymeric substrates
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G81/00—Macromolecular compounds obtained by interreacting polymers in the absence of monomers, e.g. block polymers
    • C08G81/02—Macromolecular compounds obtained by interreacting polymers in the absence of monomers, e.g. block polymers at least one of the polymers being obtained by reactions involving only carbon-to-carbon unsaturated bonds
    • C08G81/021—Block or graft polymers containing only sequences of polymers of C08C or C08F
    • C08G81/022—Block or graft polymers containing only sequences of polymers of C08C or C08F containing sequences of polymers of conjugated dienes and of polymers of alkenyl aromatic compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
    • C08J7/04—Coating
    • C08J7/0427—Coating with only one layer of a composition containing a polymer binder
    • 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
    • H01J23/06—Electron or ion guns
    • H01J23/065—Electron or ion guns producing a solid cylindrical beam
    • 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
    • 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
    • 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
    • H01J23/16—Circuit elements, having distributed capacitance and inductance, structurally associated with the tube and interacting with the discharge
    • H01J23/24—Slow-wave structures, e.g. delay systems
    • H01J23/26—Helical slow-wave structures; Adjustment therefor
    • 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
    • H01J23/16—Circuit elements, having distributed capacitance and inductance, structurally associated with the tube and interacting with the discharge
    • H01J23/24—Slow-wave structures, e.g. delay systems
    • H01J23/30—Damping arrangements associated with slow-wave structures, e.g. for suppression of unwanted oscillations
    • 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
    • H01J23/36—Coupling devices having distributed capacitance and inductance, structurally associated with the tube, for introducing or removing wave energy
    • H01J23/40—Coupling devices having distributed capacitance and inductance, structurally associated with the tube, for introducing or removing wave energy to or from the interaction circuit
    • H01J23/42—Coupling devices having distributed capacitance and inductance, structurally associated with the tube, for introducing or removing wave energy to or from the interaction circuit the interaction circuit being a helix or a helix-derived slow-wave structure
    • 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
    • H01J23/36—Coupling devices having distributed capacitance and inductance, structurally associated with the tube, for introducing or removing wave energy
    • H01J23/40—Coupling devices having distributed capacitance and inductance, structurally associated with the tube, for introducing or removing wave energy to or from the interaction circuit
    • H01J23/48—Coupling devices having distributed capacitance and inductance, structurally associated with the tube, for introducing or removing wave energy to or from the interaction circuit for linking interaction circuit with coaxial lines; Devices of the coupled helices type
    • H01J23/50—Coupling devices having distributed capacitance and inductance, structurally associated with the tube, for introducing or removing wave energy to or from the interaction circuit for linking interaction circuit with coaxial lines; Devices of the coupled helices type the interaction circuit being a helix or derived from a helix
    • 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
    • H01J25/36—Tubes in which an electron stream interacts with a wave travelling along a delay line or equivalent sequence of impedance elements, and without magnet system producing an H-field crossing the E-field
    • H01J25/38—Tubes in which an electron stream interacts with a wave travelling along a delay line or equivalent sequence of impedance elements, and without magnet system producing an H-field crossing the E-field the forward travelling wave being utilised
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J25/00—Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
    • H01J25/50—Magnetrons, i.e. tubes with a magnet system producing an H-field crossing the E-field
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P5/00—Coupling devices of the waveguide type
    • H01P5/08—Coupling devices of the waveguide type for linking dissimilar lines or devices
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q11/00—Electrically-long antennas having dimensions more than twice the shortest operating wavelength and consisting of conductive active radiating elements
    • H01Q11/02—Non-resonant antennas, e.g. travelling-wave antenna
    • H01Q11/08—Helical antennas
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/30—Angle modulation by means of transit-time tube
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H2/00—Networks using elements or techniques not provided for in groups H03H3/00 - H03H21/00
    • H03H2/005—Coupling circuits between transmission lines or antennas and transmitters, receivers or amplifiers
    • H03H2/006—Transmitter or amplifier output circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H04M19/02—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M5/00—Manual exchanges
    • H04M5/04—Arrangements for indicating calls or supervising connections for calling or clearing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2327/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
    • C08J2327/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
    • C08J2327/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
    • C08J2327/06—Homopolymers or copolymers of vinyl chloride
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2429/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal, or ketal radical; Hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Derivatives of such polymer

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Plasma & Fusion (AREA)
  • Physics & Mathematics (AREA)
  • Microwave Tubes (AREA)
  • Waveguides (AREA)
  • Communication Cables (AREA)
  • Details Of Aerials (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Particle Accelerators (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
FR66230D 1952-04-08 1954-04-08 Traveling wave electronic device Expired FR66230E (en)

Applications Claiming Priority (18)

Application Number Priority Date Filing Date Title
US776923XA 1952-04-08 1952-04-08
DE316934X 1952-04-08
DE734963X 1952-07-05
US740852XA 1952-08-19 1952-08-19
US778846XA 1952-08-19 1952-08-19
US773393XA 1952-08-21 1952-08-21
US773783XA 1952-08-23 1952-08-23
US777224XA 1952-09-29 1952-09-29
US777225XA 1952-10-11 1952-10-11
US773394XA 1952-10-31 1952-10-31
DE745099X 1952-11-07
US756370XA 1952-11-19 1952-11-19
US754861XA 1953-04-01 1953-04-01
DE780806X 1953-04-18
DE771189X 1953-11-27
DE767078X 1954-04-03
US861229XA 1956-10-26 1956-10-26
US886318XA 1957-05-03 1957-05-03

Publications (1)

Publication Number Publication Date
FR66230E true FR66230E (en) 1956-06-05

Family

ID=31982865

Family Applications (18)

Application Number Title Priority Date Filing Date
FR65473D Expired FR65473E (en) 1952-04-08 1953-07-03 Traveling wave electronic device
FR65591D Expired FR65591E (en) 1952-04-08 1953-08-14 Traveling wave electronic device
FR65589D Expired FR65589E (en) 1952-04-08 1953-08-14 Traveling wave electronic device
FR65606D Expired FR65606E (en) 1952-04-08 1953-09-29 Traveling wave electronic device
FR65607D Expired FR65607E (en) 1952-04-08 1953-09-29 Traveling wave electronic device
FR65608D Expired FR65608E (en) 1952-04-08 1953-10-09 Traveling wave electronic device
FR65616D Expired FR65616E (en) 1952-04-08 1953-10-28 Traveling wave electronic device
FR66228D Expired FR66228E (en) 1952-04-08 1954-03-31 Traveling wave electronic device
FR66230D Expired FR66230E (en) 1952-04-08 1954-04-08 Traveling wave electronic device
FR66233D Expired FR66233E (en) 1952-04-08 1954-04-14 Traveling wave electronic device
FR66421D Expired FR66421E (en) 1952-04-08 1954-04-16 Traveling wave electronic device
FR68403D Expired FR68403E (en) 1952-04-08 1954-06-30 Traveling wave electronic device
FR68404D Expired FR68404E (en) 1952-04-08 1954-07-13 Traveling wave electronic device
FR68407D Expired FR68407E (en) 1952-04-08 1954-09-03 Traveling wave electronic device
FR68804D Expired FR68804E (en) 1952-04-08 1954-11-26 Traveling wave electronic device
FR68807D Expired FR68807E (en) 1952-04-08 1954-12-30 Traveling wave electronic device
FR69062D Expired FR69062E (en) 1952-04-08 1955-02-03 Traveling wave electronic device
FR69068D Expired FR69068E (en) 1952-04-08 1955-04-02 Traveling wave electronic device

Family Applications Before (8)

Application Number Title Priority Date Filing Date
FR65473D Expired FR65473E (en) 1952-04-08 1953-07-03 Traveling wave electronic device
FR65591D Expired FR65591E (en) 1952-04-08 1953-08-14 Traveling wave electronic device
FR65589D Expired FR65589E (en) 1952-04-08 1953-08-14 Traveling wave electronic device
FR65606D Expired FR65606E (en) 1952-04-08 1953-09-29 Traveling wave electronic device
FR65607D Expired FR65607E (en) 1952-04-08 1953-09-29 Traveling wave electronic device
FR65608D Expired FR65608E (en) 1952-04-08 1953-10-09 Traveling wave electronic device
FR65616D Expired FR65616E (en) 1952-04-08 1953-10-28 Traveling wave electronic device
FR66228D Expired FR66228E (en) 1952-04-08 1954-03-31 Traveling wave electronic device

Family Applications After (9)

Application Number Title Priority Date Filing Date
FR66233D Expired FR66233E (en) 1952-04-08 1954-04-14 Traveling wave electronic device
FR66421D Expired FR66421E (en) 1952-04-08 1954-04-16 Traveling wave electronic device
FR68403D Expired FR68403E (en) 1952-04-08 1954-06-30 Traveling wave electronic device
FR68404D Expired FR68404E (en) 1952-04-08 1954-07-13 Traveling wave electronic device
FR68407D Expired FR68407E (en) 1952-04-08 1954-09-03 Traveling wave electronic device
FR68804D Expired FR68804E (en) 1952-04-08 1954-11-26 Traveling wave electronic device
FR68807D Expired FR68807E (en) 1952-04-08 1954-12-30 Traveling wave electronic device
FR69062D Expired FR69062E (en) 1952-04-08 1955-02-03 Traveling wave electronic device
FR69068D Expired FR69068E (en) 1952-04-08 1955-04-02 Traveling wave electronic device

Country Status (7)

Country Link
US (4) US2843789A (en)
BE (15) BE519037A (en)
CH (8) CH316934A (en)
DE (2) DE963704C (en)
FR (18) FR65473E (en)
GB (20) GB734963A (en)
NL (3) NL196187A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1987004864A1 (en) * 1986-02-08 1987-08-13 Teldix Gmbh Waveguide switch
WO1987005155A1 (en) * 1986-02-18 1987-08-27 Teldix Gmbh Microwave switch with at least two switching positions

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US3136964A (en) * 1954-05-12 1964-06-09 High Voltage Engineering Corp Radio frequency coupler and attenuator
NL197957C (en) * 1954-08-05
US2925508A (en) * 1955-07-28 1960-02-16 Sperry Rand Corp Electron beam focusing structure
US2991391A (en) * 1957-07-24 1961-07-04 Varian Associates Electron beam discharge apparatus
US2966609A (en) * 1957-11-22 1960-12-27 Gen Electric Magnetic structures for high frequency energy interchange apparatus
NL105112C (en) * 1958-05-15
US3133227A (en) * 1958-06-25 1964-05-12 Varian Associates Linear particle accelerator apparatus for high energy particle beams provided with pulsing means for the control electrode
DE1136425B (en) * 1959-07-17 1962-09-13 Philips Nv Arrangement for coupling the helical delay line of a field pipe to a waveguide running transversely to the helical axis
US3250946A (en) * 1961-02-07 1966-05-10 Philips Corp Travelling wave tube, in which an electron beam interacts with a helical delay line, having spurious oscillation suppressing means
US3274429A (en) * 1963-03-18 1966-09-20 Varian Associates High frequency electron discharge device with heat dissipation means
US3269611A (en) * 1964-02-04 1966-08-30 Komarek Greaves And Company Feeding mechanism
US3404306A (en) * 1966-04-06 1968-10-01 Alltronics Inc Traveling-wave tube focusing field straightener
DE1541040B1 (en) * 1966-05-16 1971-08-26 Siemens Ag WALKING FIELD TUBE WITH TWO HIGH FREQUENCY INPUT AND OUTSIDE WAVE GUIDES FORMING THE TUBE
US3466493A (en) * 1967-02-21 1969-09-09 Varian Associates Circuit sever for ppm focused traveling wave tubes
FR1522411A (en) * 1967-03-14 1968-04-26 Csf Compensation for the effects of temperature in magnetic focusers
GB1189615A (en) * 1968-03-21 1970-04-29 English Electric Valve Co Ltd Improvements in or relating to Travelling Wave Tubes.
US3544832A (en) * 1968-07-18 1970-12-01 Rca Corp Traveling wave tube with evaporated nickel attenuator coating and method of manufacture thereof
FR2137311B1 (en) * 1971-05-18 1973-05-11 Thomson Csf
JPS5580851U (en) * 1978-11-29 1980-06-04
FR2711277B1 (en) * 1993-10-14 1995-11-10 Alcatel Mobile Comm France Antenna of the type for portable radio device, method of manufacturing such an antenna and portable radio device comprising such an antenna.
GB9418028D0 (en) * 1994-09-07 1994-10-26 Eev Ltd Cavity arrangements
GB2296370B (en) * 1994-12-19 1998-07-29 Eev Ltd Travelling wave tubes
US5596797A (en) * 1995-04-03 1997-01-28 D & M Plastics Corporation Method and apparatus for making a molded cellular antenna coil
KR20190046029A (en) * 2017-10-25 2019-05-07 삼성전기주식회사 Antenna device and portable terminal including the same
CN112692542B (en) * 2020-12-31 2023-03-17 山东微波电真空技术有限公司 Automatic assembly equipment for spiral line, clamping rod and pipe shell

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US2064469A (en) * 1933-10-23 1936-12-15 Rca Corp Device for and method of controlling high frequency currents
US2131192A (en) * 1934-05-09 1938-09-27 Loewe Opta Gmbh High vacuum television tube
GB515308A (en) * 1938-05-25 1939-12-01 Miller Harold Improvements in or relating to magnetic electron lenses
BE436805A (en) * 1938-10-26
USRE22389E (en) * 1940-07-13 1943-11-02 Electron beam concentrating
US2413609A (en) * 1945-03-12 1946-12-31 Hazeltine Research Inc Time-delay network
NL76331C (en) * 1946-01-11 Western Electric Co
NL135247C (en) * 1946-10-22
NL74575C (en) * 1946-10-23
US2611101A (en) * 1947-04-15 1952-09-16 Wallauschek Richard Traeling wave amplifier tube
US2679019A (en) * 1947-12-02 1954-05-18 Rca Corp High-frequency electron discharge device
US2660690A (en) * 1948-10-15 1953-11-24 Sylvania Electric Prod Traveling wave tube
US2730647A (en) * 1949-06-22 1956-01-10 Bell Telephone Labor Inc Microwave amplifier
US2585582A (en) * 1949-07-07 1952-02-12 Bell Telephone Labor Inc Electron gun
GB696058A (en) * 1949-07-15 1953-08-26 Nat Res Dev Improvements in electron discharge tubes
FR1012374A (en) * 1949-07-27 1952-07-09 Improvements in the construction of traveling wave electron tubes
GB664663A (en) * 1949-09-01 1952-01-09 Mullard Radio Valve Co Ltd Improvements in travelling wave tubes
US2649578A (en) * 1949-12-02 1953-08-18 Bell Telephone Labor Inc Wave-guide elbow
US2749472A (en) * 1952-01-02 1956-06-05 Univ Leland Stanford Junior Travelling wave tubes

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1987004864A1 (en) * 1986-02-08 1987-08-13 Teldix Gmbh Waveguide switch
US4967170A (en) * 1986-02-08 1990-10-30 Teldix Gmbh Rotary waveguide switch having arcuate waveguides realized by planar faces
WO1987005155A1 (en) * 1986-02-18 1987-08-27 Teldix Gmbh Microwave switch with at least two switching positions

Also Published As

Publication number Publication date
GB861229A (en) 1961-02-15
GB778846A (en) 1957-07-10
GB756370A (en) 1956-09-05
DE963704C (en) 1957-05-09
GB780806A (en) 1957-08-07
US2857547A (en) 1958-10-21
CH330643A (en) 1958-06-15
NL95555C (en) 1900-01-01
FR65589E (en) 1956-02-28
CH316934A (en) 1956-10-31
CH329897A (en) 1958-05-15
FR68804E (en) 1958-06-10
GB777224A (en) 1957-06-19
BE523177A (en) 1900-01-01
BE534531A (en) 1900-01-01
BE523897A (en) 1900-01-01
FR65606E (en) 1956-02-29
FR68407E (en) 1958-04-30
FR65608E (en) 1956-02-29
FR69068E (en) 1958-09-22
GB771189A (en) 1957-03-27
FR65473E (en) 1956-02-21
GB767078A (en) 1957-01-30
US2812469A (en) 1957-11-05
FR68403E (en) 1958-04-30
BE519037A (en) 1900-01-01
BE524061A (en) 1900-01-01
US2911599A (en) 1959-11-03
GB773783A (en) 1957-05-01
BE523117A (en) 1900-01-01
CH333699A (en) 1958-10-31
BE528213A (en) 1900-01-01
BE545710A (en) 1900-01-01
FR69062E (en) 1958-09-22
GB773394A (en) 1957-04-24
FR65616E (en) 1956-02-29
GB754861A (en) 1956-08-15
BE527787A (en) 1900-01-01
BE523425A (en) 1900-01-01
CH317676A (en) 1956-11-30
GB776923A (en) 1957-06-12
BE522186A (en) 1900-01-01
GB886318A (en) 1962-01-03
US2843789A (en) 1958-07-15
FR66421E (en) 1957-02-27
GB766790A (en) 1957-01-23
GB773393A (en) 1957-04-24
GB734963A (en) 1955-08-10
FR66233E (en) 1956-06-05
GB777225A (en) 1957-06-19
CH335353A (en) 1958-12-31
NL98392C (en) 1900-01-01
GB745099A (en) 1956-02-22
BE524397A (en) 1900-01-01
BE522303A (en) 1900-01-01
CH334111A (en) 1958-11-15
FR68807E (en) 1958-06-10
GB810267A (en) 1959-03-11
GB754563A (en) 1956-08-08
BE521167A (en) 1900-01-01
GB740852A (en) 1955-11-23
CH322499A (en) 1957-06-15
NL196187A (en) 1900-01-01
FR65591E (en) 1956-02-28
FR65607E (en) 1956-02-29
FR66228E (en) 1956-06-05
FR68404E (en) 1958-04-30
DE1080702B (en) 1960-04-28
BE523116A (en) 1900-01-01

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