FR51485E - Dispositifs à ondes ultra-courtes - Google Patents
Dispositifs à ondes ultra-courtesInfo
- Publication number
- FR51485E FR51485E FR51485DA FR51485E FR 51485 E FR51485 E FR 51485E FR 51485D A FR51485D A FR 51485DA FR 51485 E FR51485 E FR 51485E
- Authority
- FR
- France
- Prior art keywords
- shortwave
- ultra
- devices
- shortwave devices
- 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
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/10—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using liquid only; using a fluid of which the nature is immaterial
- F16F9/14—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect
- F16F9/16—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts
- F16F9/18—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts with a closed cylinder and a piston separating two or more working spaces therein
- F16F9/19—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts with a closed cylinder and a piston separating two or more working spaces therein with a single cylinder and of single-tube type
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J25/00—Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J25/00—Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
- H01J25/02—Tubes with electron stream modulated in velocity or density in a modulator zone and thereafter giving up energy in an inducing zone, the zones being associated with one or more resonators
- H01J25/06—Tubes having only one resonator, without reflection of the electron stream, and in which the modulation produced in the modulator zone is mainly velocity modulation, e.g. Lüdi-Klystron
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J25/00—Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
- H01J25/02—Tubes with electron stream modulated in velocity or density in a modulator zone and thereafter giving up energy in an inducing zone, the zones being associated with one or more resonators
- H01J25/10—Klystrons, i.e. tubes having two or more resonators, without reflection of the electron stream, and in which the stream is modulated mainly by velocity in the zone of the input resonator
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J25/00—Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
- H01J25/02—Tubes with electron stream modulated in velocity or density in a modulator zone and thereafter giving up energy in an inducing zone, the zones being associated with one or more resonators
- H01J25/10—Klystrons, i.e. tubes having two or more resonators, without reflection of the electron stream, and in which the stream is modulated mainly by velocity in the zone of the input resonator
- H01J25/12—Klystrons, i.e. tubes having two or more resonators, without reflection of the electron stream, and in which the stream is modulated mainly by velocity in the zone of the input resonator with pencil-like electron stream in the axis of the resonators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J25/00—Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
- H01J25/02—Tubes with electron stream modulated in velocity or density in a modulator zone and thereafter giving up energy in an inducing zone, the zones being associated with one or more resonators
- H01J25/22—Reflex klystrons, i.e. tubes having one or more resonators, with a single reflection of the electron stream, and in which the stream is modulated mainly by velocity in the modulator zone
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J25/00—Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
- H01J25/02—Tubes with electron stream modulated in velocity or density in a modulator zone and thereafter giving up energy in an inducing zone, the zones being associated with one or more resonators
- H01J25/22—Reflex klystrons, i.e. tubes having one or more resonators, with a single reflection of the electron stream, and in which the stream is modulated mainly by velocity in the modulator zone
- H01J25/24—Reflex klystrons, i.e. tubes having one or more resonators, with a single reflection of the electron stream, and in which the stream is modulated mainly by velocity in the modulator zone in which the electron stream is in the axis of the resonator or resonators and is pencil-like before reflection
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
- H01J29/86—Vessels; Containers; Vacuum locks
- H01J29/88—Vessels; Containers; Vacuum locks provided with coatings on the walls thereof; Selection of materials for the coatings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J5/00—Details relating to vessels or to leading-in conductors common to two or more basic types of discharge tubes or lamps
- H01J5/02—Vessels; Containers; Shields associated therewith; Vacuum locks
- H01J5/08—Vessels; Containers; Shields associated therewith; Vacuum locks provided with coatings on the walls thereof; Selection of materials for the coatings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P5/00—Coupling devices of the waveguide type
- H01P5/04—Coupling devices of the waveguide type with variable factor of coupling
-
- 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
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L5/00—Automatic control of voltage, current, or power
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/02—Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
- H04L27/04—Modulator circuits; Transmitter circuits
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mechanical Engineering (AREA)
- Particle Accelerators (AREA)
- Microwave Tubes (AREA)
- Microwave Amplifiers (AREA)
- Electron Beam Exposure (AREA)
- Amplifiers (AREA)
- Gas-Filled Discharge Tubes (AREA)
- Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)
- Selective Calling Equipment (AREA)
- Lasers (AREA)
Applications Claiming Priority (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US153602A US2220839A (en) | 1937-07-14 | 1937-07-14 | Electrical discharge device |
US201953A US2220840A (en) | 1937-07-14 | 1938-04-14 | Velocity modulation device |
US201954A US2192049A (en) | 1937-07-14 | 1938-04-14 | Electron beam device |
US211123A US2498886A (en) | 1937-07-14 | 1938-06-01 | Ultra short wave device |
US238213A US2233166A (en) | 1937-07-14 | 1938-11-01 | Means for transferring high frequency power |
US243397A US2240183A (en) | 1937-07-14 | 1938-12-01 | Electric discharge device |
US306951A US2224122A (en) | 1937-07-14 | 1939-11-30 | High frequency apparatus |
CH222371T | 1941-06-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR51485E true FR51485E (fr) | 1942-08-12 |
Family
ID=42200828
Family Applications (15)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR840676D Expired FR840676A (fr) | 1937-07-14 | 1938-07-13 | Perfectionnements aux tubes à décharge |
FR50493D Expired FR50493E (fr) | 1937-07-14 | 1939-04-14 | Perfectionnements aux tubes à décharge |
FR855554D Expired FR855554A (fr) | 1937-07-14 | 1939-06-01 | Dispositifs à ondes ultra-courtes |
FR50997D Expired FR50997E (fr) | 1937-07-14 | 1939-10-31 | Dispositifs à ondes ultra-courtes |
FR51015D Expired FR51015E (fr) | 1937-07-14 | 1939-11-30 | Dispositifs à ondes ultra-courtes |
FR51024D Expired FR51024E (fr) | 1937-07-14 | 1939-12-29 | Dispositifs à ondes ultra-courtes |
FR51215D Expired FR51215E (fr) | 1937-07-14 | 1940-05-27 | Dispositifs à ondes ultra-courtes |
FR51483D Expired FR51483E (fr) | 1937-07-14 | 1940-09-27 | Dispositifs à ondes ultra-courtes |
FR51484D Expired FR51484E (fr) | 1937-07-14 | 1940-10-26 | Dispositifs à ondes ultra-courtes |
FR51485D Expired FR51485E (fr) | 1937-07-14 | 1940-10-26 | Dispositifs à ondes ultra-courtes |
FR51488D Expired FR51488E (fr) | 1937-07-14 | 1940-12-19 | Dispositif à ondes ultra-courtes |
FR51527D Expired FR51527E (fr) | 1937-07-14 | 1941-04-25 | Dispositifs à ondes ultra-courtes |
FR51862D Expired FR51862E (fr) | 1937-07-14 | 1941-07-25 | Dispositifs à ondes ultra-courtes |
FR51863D Expired FR51863E (fr) | 1937-07-14 | 1941-09-25 | Dispositifs à ondes ultra-courtes |
FR51864D Expired FR51864E (fr) | 1937-07-14 | 1941-10-07 | Dispositifs à ondes ultra-courtes |
Family Applications Before (9)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR840676D Expired FR840676A (fr) | 1937-07-14 | 1938-07-13 | Perfectionnements aux tubes à décharge |
FR50493D Expired FR50493E (fr) | 1937-07-14 | 1939-04-14 | Perfectionnements aux tubes à décharge |
FR855554D Expired FR855554A (fr) | 1937-07-14 | 1939-06-01 | Dispositifs à ondes ultra-courtes |
FR50997D Expired FR50997E (fr) | 1937-07-14 | 1939-10-31 | Dispositifs à ondes ultra-courtes |
FR51015D Expired FR51015E (fr) | 1937-07-14 | 1939-11-30 | Dispositifs à ondes ultra-courtes |
FR51024D Expired FR51024E (fr) | 1937-07-14 | 1939-12-29 | Dispositifs à ondes ultra-courtes |
FR51215D Expired FR51215E (fr) | 1937-07-14 | 1940-05-27 | Dispositifs à ondes ultra-courtes |
FR51483D Expired FR51483E (fr) | 1937-07-14 | 1940-09-27 | Dispositifs à ondes ultra-courtes |
FR51484D Expired FR51484E (fr) | 1937-07-14 | 1940-10-26 | Dispositifs à ondes ultra-courtes |
Family Applications After (5)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR51488D Expired FR51488E (fr) | 1937-07-14 | 1940-12-19 | Dispositif à ondes ultra-courtes |
FR51527D Expired FR51527E (fr) | 1937-07-14 | 1941-04-25 | Dispositifs à ondes ultra-courtes |
FR51862D Expired FR51862E (fr) | 1937-07-14 | 1941-07-25 | Dispositifs à ondes ultra-courtes |
FR51863D Expired FR51863E (fr) | 1937-07-14 | 1941-09-25 | Dispositifs à ondes ultra-courtes |
FR51864D Expired FR51864E (fr) | 1937-07-14 | 1941-10-07 | Dispositifs à ondes ultra-courtes |
Country Status (7)
Country | Link |
---|---|
US (18) | US2220839A (fr) |
BE (9) | BE429160A (fr) |
CH (4) | CH208065A (fr) |
DE (5) | DE908743C (fr) |
FR (15) | FR840676A (fr) |
GB (8) | GB518015A (fr) |
NL (1) | NL76327C (fr) |
Families Citing this family (150)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB523712A (en) * | 1937-10-11 | 1940-07-22 | Univ Leland Stanford Junior | An improved electrical discharge system and method of operating the same |
US2616038A (en) * | 1947-09-23 | 1952-10-28 | Univ Leland Stanford Junior | Frequency converter |
USRE22724E (en) * | 1938-04-14 | 1946-02-19 | Radio transmission and reception | |
US2466754A (en) * | 1938-06-18 | 1949-04-12 | Univ Leland Stanford Junior | Frequency multiplier |
US2468928A (en) * | 1938-07-08 | 1949-05-03 | Univ Leland Stanford Junior | Electronic oscillator-detector |
US2458223A (en) * | 1939-07-03 | 1949-01-04 | Albert G Thomas | Electronic tube |
NL80761C (fr) * | 1939-08-24 | |||
DE748907C (de) * | 1939-11-18 | 1945-01-19 | Mit Geschwindigkeitssteuerung arbeitende Entladungsanordnung fuer ultrakurze Wellen | |
DE970149C (de) * | 1940-05-17 | 1958-08-21 | Western Electric Co | Elektronenentladungs-Vorrichtung zur Verstaerkung einer hochfrequenten elektromagnetischen Welle |
US2490030A (en) * | 1940-06-28 | 1949-12-06 | Sperry Corp | High-frequency tube structure |
US2610307A (en) * | 1940-07-02 | 1952-09-09 | Univ Leland Stanford Junior | Tunable cavity resonator electron discharge device |
US2424959A (en) * | 1940-09-21 | 1947-08-05 | Standard Telephones Cables Ltd | Tube arrangement for frequency doubling |
DE967231C (de) * | 1940-10-22 | 1957-10-24 | Pintsch Bamag Ag | Einrichtung zum Anfachen (Erzeugen, Verstaerken oder Empfangen) ultrakurzer elektrischer Wellen, insbesondere des Dezimeter- oder Zentimeterwellengebietes |
US2424002A (en) * | 1940-11-04 | 1947-07-15 | Research Corp | High-frequency electronic tube |
FR972003A (fr) * | 1940-12-18 | 1951-01-24 | Csf | Perfectionnements aux tubes électroniques à modulation de vitesse |
US2520182A (en) * | 1940-12-24 | 1950-08-29 | Int Standard Electric Corp | Electron discharge apparatus |
US2416302A (en) * | 1941-01-07 | 1947-02-25 | Bell Telephone Labor Inc | Electronic apparatus |
US2490622A (en) * | 1941-01-15 | 1949-12-06 | Emi Ltd | High-frequency transmission line or cable and connector therefor |
DE976519C (de) * | 1941-03-25 | 1963-10-17 | Siemens Ag | Klystron |
DE976503C (de) * | 1941-03-25 | 1963-12-05 | Siemens Ag | Verfahren zum Betrieb einer Elektronenroehre mit Laufzeitsteuerung |
US2458556A (en) * | 1941-04-08 | 1949-01-11 | Bell Telephone Labor Inc | Coupled cavity resonator and wave guide apparatus |
US2450893A (en) * | 1941-05-17 | 1948-10-12 | Sperry Corp | High-frequency tube structure |
US2425738A (en) * | 1941-10-23 | 1947-08-19 | Sperry Gyroscope Co Inc | Tunable high-frequency electron tube structure |
GB640898A (en) * | 1941-10-23 | 1950-08-02 | Sperry Corp | Improvements in or relating to gang tuning means for electron discharge apparatus |
GB640899A (en) * | 1941-10-23 | 1950-08-02 | Sperry Corp | Improvements in or relating to frequency multiplier electron discharge apparatus |
US2506590A (en) * | 1941-10-31 | 1950-05-09 | Sperry Corp | High-frequency tube structure |
NL66484C (fr) * | 1941-11-22 | |||
FR888587A (fr) * | 1941-11-27 | 1943-12-16 | Philips Nv | Dispositif destiné à produire des oscillations |
GB581895A (en) * | 1941-12-16 | 1946-10-29 | Albert Frederick Pearce | Improvements in or relating to electron discharge devices employing hollow resonators |
DE969845C (de) * | 1941-12-18 | 1958-07-24 | Pintsch Bamag Ag | Elektronenroehrenanordnung zum Anfachen (Erzeugen, Verstaerken oder Empfangen) ultrakurzer elektrischer Wellen |
GB622655A (en) * | 1941-12-22 | 1949-05-05 | Sperry Gyroscope Co Inc | Improvements in or relating to high frequency electron discharge apparatus |
US2581404A (en) * | 1942-01-29 | 1952-01-08 | Sperry Corp | High-frequency modulator apparatus |
US2531455A (en) * | 1942-02-04 | 1950-11-28 | Sperry Corp | Directive antenna structure |
FR880640A (fr) * | 1942-02-06 | 1943-03-31 | Philips Nv | Dispositif générateur, modulateur ou amplificateur d'oscillations électriques |
US2424965A (en) * | 1942-03-20 | 1947-08-05 | Standard Telephones Cables Ltd | High-frequency amplifier and oscillator |
US2462856A (en) * | 1942-05-19 | 1949-03-01 | Sperry Corp | Transmitter and/or receiver circuits |
CH238068A (fr) * | 1942-06-11 | 1945-06-15 | Radio Electr Soc Fr | Emetteur à ondes décimétriques modulées en fréquence. |
US2436833A (en) * | 1942-06-15 | 1948-03-02 | Int Standard Electric Corp | High density beam tube |
US2482766A (en) * | 1942-07-01 | 1949-09-27 | Sperry Corp | High-frequency modulating system |
US2507972A (en) * | 1942-07-25 | 1950-05-16 | Rca Corp | Electron discharge device and associated circuits |
US2493046A (en) * | 1942-08-03 | 1950-01-03 | Sperry Corp | High-frequency electroexpansive tuning apparatus |
US2436397A (en) * | 1942-08-08 | 1948-02-24 | Bell Telephone Labor Inc | Ultra high frequency oscillator |
US2574012A (en) * | 1942-09-15 | 1951-11-06 | Csf | Electron discharge tube and circuit arrangement therefor |
US2455269A (en) * | 1942-11-17 | 1948-11-30 | Bell Telephone Labor Inc | Velocity variation apparatus |
GB586275A (en) * | 1942-12-04 | 1947-03-13 | Standard Telephones Cables Ltd | Improvements in or relating to ultra high frequency electric oscillators |
US2435601A (en) * | 1942-12-31 | 1948-02-10 | Gen Electric | Phase modulation system |
US2514428A (en) * | 1943-01-06 | 1950-07-11 | Sperry Corp | Electronic apparatus of the cavity resonator type |
US2487800A (en) * | 1943-01-22 | 1949-11-15 | Sperry Corp | Frequency multiplier and stabilization cavity resonator apparatus |
US2468152A (en) * | 1943-02-09 | 1949-04-26 | Sperry Corp | Ultra high frequency apparatus of the cavity resonator type |
US2416714A (en) * | 1943-02-22 | 1947-03-04 | Bell Telephone Labor Inc | Electron discharge device |
US2460498A (en) * | 1943-03-15 | 1949-02-01 | Sperry Corp | Modulation control apparatus |
US2451813A (en) * | 1943-03-30 | 1948-10-19 | Westinghouse Electric Corp | Electron discharge device having an electron beam passage and aligning means therewith for the cathode |
BE455162A (fr) * | 1943-04-06 | |||
US2462087A (en) * | 1943-04-19 | 1949-02-22 | Int Standard Electric Corp | Electron discharge device of the velocity modulation type |
US2435609A (en) * | 1943-04-20 | 1948-02-10 | Bell Telephone Labor Inc | Dipole antenna |
USRE23277E (en) * | 1943-04-26 | 1950-10-03 | High-frequency resonator tube | |
US2464349A (en) * | 1943-05-27 | 1949-03-15 | Bell Telephone Labor Inc | Electronic high-voltage generator discharge device |
US2426193A (en) * | 1943-06-17 | 1947-08-26 | Rca Corp | Radio transmitter automatic volume control |
US2429401A (en) * | 1943-06-18 | 1947-10-21 | Arthur C Davis | Coaxial cable device |
US2647220A (en) * | 1943-06-25 | 1953-07-28 | Emi Ltd | Electron tube structure for the production of annular beams of electrons |
US2466064A (en) * | 1943-06-28 | 1949-04-05 | Sperry Corp | Velocity modulation apparatus |
US2496901A (en) * | 1943-07-06 | 1950-02-07 | Hartford Nat Bank & Trust Co | Method and composition for coating cathode-ray tubes |
US2470802A (en) * | 1943-08-10 | 1949-05-24 | Rca Corp | Microwave device |
US2437067A (en) * | 1943-11-17 | 1948-03-02 | Philco Corp | Adjusting means for transmission lines |
DE967232C (de) * | 1943-11-20 | 1957-11-21 | Lorenz C Ag | Mischanordnung unter Verwendung einer geschwindigkeits- oder dichtegesteuerten Laufzeitroehre |
US2454094A (en) * | 1944-01-21 | 1948-11-16 | Scophony Corp Of America | Electron discharge device for producing electric oscillations |
GB588247A (en) * | 1944-03-28 | 1947-05-19 | Standard Telephones Cables Ltd | Improvements in or relating to electron velocity modulation devices |
US2504329A (en) * | 1944-04-05 | 1950-04-18 | Bell Telephone Labor Inc | Oscillation damping device |
US2451201A (en) * | 1944-04-15 | 1948-10-12 | Gen Electric | Attenuator for ultra high frequencies |
US2438768A (en) * | 1944-04-28 | 1948-03-30 | Philco Corp | Apparatus for varying the frequency of resonant cavities |
US2435984A (en) * | 1944-06-02 | 1948-02-17 | Raytheon Mfg Co | Tunable magnetron |
DE970799C (de) * | 1944-07-14 | 1958-10-30 | Siemens Ag | Hohlraumresonatoranordnung fuer die Benutzung in Laufzeitroehren |
US2452056A (en) * | 1944-07-20 | 1948-10-26 | Raytheon Mfg Co | Electrical discharge device |
US2508695A (en) * | 1944-07-29 | 1950-05-23 | Rca Corp | Cavity resonator electron discharge apparatus |
US2446260A (en) * | 1944-07-31 | 1948-08-03 | Farnsworth Res Corp | Differentiating discharge tube |
US2456466A (en) * | 1944-09-20 | 1948-12-14 | Phiilco Corp | Variable time delay electronic apparatus |
US2444303A (en) * | 1944-10-21 | 1948-06-29 | Sylvania Electric Prod | Ultra high frequency electronic tube |
US2452272A (en) * | 1944-10-28 | 1948-10-26 | Philco Corp | Magnetron |
US2695373A (en) * | 1944-11-16 | 1954-11-23 | Rca Corp | Cavity resonator high-frequency apparatus |
US2421725A (en) * | 1944-11-23 | 1947-06-03 | Philco Corp | Variable frequency cavity resonator oscillator |
US2482769A (en) * | 1944-12-28 | 1949-09-27 | Sperry Corp | High-frequency apparatus |
US2629821A (en) * | 1945-06-07 | 1953-02-24 | La Verne R Philpott | High-frequency signal translation circuit |
BE470150A (fr) * | 1945-07-02 | |||
US2479220A (en) * | 1945-08-01 | 1949-08-16 | Harold C Early | Wave guide |
US2637781A (en) * | 1945-09-14 | 1953-05-05 | Us Navy | Series reactance transformer |
US2617962A (en) * | 1945-10-19 | 1952-11-11 | Jack W Keuffel | Velocity modulation tube |
US2508645A (en) * | 1945-10-23 | 1950-05-23 | Rca Corp | Frequency changer |
GB628806A (en) * | 1945-11-14 | 1949-09-06 | Gen Electric Co Ltd | Improvements in apparatus for accelerating charged particles, especially electrons, to very high velocity |
US2666165A (en) * | 1946-01-03 | 1954-01-12 | Hutchinson Franklin | Tunable magnetron oscillator |
NL72891C (fr) * | 1946-01-31 | |||
US2658147A (en) * | 1946-02-18 | 1953-11-03 | Kenneth T Bainbridge | Tunable velocity modulation device |
US2606291A (en) * | 1946-03-11 | 1952-08-05 | Robert R Wilson | Method and apparatus for material separation |
US2510026A (en) * | 1946-04-05 | 1950-05-30 | Rca Corp | Frequency modulation system for microwave generators |
US2521545A (en) * | 1946-06-28 | 1950-09-05 | Bell Telephone Labor Inc | Electron discharge device |
US2645738A (en) * | 1946-08-14 | 1953-07-14 | Hartford Nat Bank & Trust Co | Circuit arrangement comprising a reflex discharge tube |
US2554134A (en) * | 1946-10-01 | 1951-05-22 | Winfield G Wagener | Electron tube for ultra high frequency |
NL135247C (fr) * | 1946-10-22 | |||
FR954564A (fr) * | 1946-10-22 | 1950-01-03 | ||
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US2064469A (en) * | 1933-10-23 | 1936-12-15 | Rca Corp | Device for and method of controlling high frequency currents |
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NL58199C (fr) * | 1936-12-24 | |||
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US2190511A (en) * | 1938-03-01 | 1940-02-13 | Gen Electric | Ultra short wave system |
-
0
- BE BE436872D patent/BE436872A/xx unknown
- BE BE437641D patent/BE437641A/xx unknown
- BE BE437339D patent/BE437339A/xx unknown
- BE BE433819D patent/BE433819A/xx unknown
- BE BE434657D patent/BE434657A/xx unknown
-
1937
- 1937-07-14 US US153602A patent/US2220839A/en not_active Expired - Lifetime
-
1938
- 1938-04-14 US US201954A patent/US2192049A/en not_active Expired - Lifetime
- 1938-04-14 US US201953A patent/US2220840A/en not_active Expired - Lifetime
- 1938-06-01 US US211124A patent/US2222901A/en not_active Expired - Lifetime
- 1938-06-01 US US211123A patent/US2498886A/en not_active Expired - Lifetime
- 1938-06-13 GB GB17531/38A patent/GB518015A/en not_active Expired
- 1938-07-08 DE DEA11137D patent/DE908743C/de not_active Expired
- 1938-07-12 CH CH208065D patent/CH208065A/de unknown
- 1938-07-13 FR FR840676D patent/FR840676A/fr not_active Expired
- 1938-07-14 BE BE429160D patent/BE429160A/xx unknown
- 1938-11-01 US US238213A patent/US2233166A/en not_active Expired - Lifetime
- 1938-12-01 US US243397A patent/US2240183A/en not_active Expired - Lifetime
- 1938-12-31 US US248771A patent/US2200962A/en not_active Expired - Lifetime
- 1938-12-31 US US248799A patent/US2235527A/en not_active Expired - Lifetime
-
1939
- 1939-04-14 FR FR50493D patent/FR50493E/fr not_active Expired
- 1939-04-15 DE DEA10506D patent/DE922425C/de not_active Expired
- 1939-05-27 US US276172A patent/US2222902A/en not_active Expired - Lifetime
- 1939-05-31 GB GB16051/39A patent/GB533500A/en not_active Expired
- 1939-05-31 CH CH231586D patent/CH231586A/de unknown
- 1939-06-01 FR FR855554D patent/FR855554A/fr not_active Expired
- 1939-06-02 DE DEA11978D patent/DE919245C/de not_active Expired
- 1939-10-27 US US301629A patent/US2266595A/en not_active Expired - Lifetime
- 1939-10-27 US US301628A patent/US2200986A/en not_active Expired - Lifetime
- 1939-10-31 FR FR50997D patent/FR50997E/fr not_active Expired
- 1939-11-01 GB GB29175/39A patent/GB533939A/en not_active Expired
- 1939-11-30 US US306951A patent/US2224122A/en not_active Expired - Lifetime
- 1939-11-30 US US306952A patent/US2247338A/en not_active Expired - Lifetime
- 1939-11-30 FR FR51015D patent/FR51015E/fr not_active Expired
- 1939-12-01 GB GB31223/39A patent/GB533826A/en not_active Expired
- 1939-12-19 US US310059A patent/US2222899A/en not_active Expired - Lifetime
- 1939-12-29 FR FR51024D patent/FR51024E/fr not_active Expired
- 1939-12-31 DE DEA11605D patent/DE927157C/de not_active Expired
-
1940
- 1940-01-01 GB GB21/40A patent/GB553266A/en not_active Expired
- 1940-01-01 GB GB20/40A patent/GB553529A/en not_active Expired
- 1940-04-27 US US332022A patent/US2292151A/en not_active Expired - Lifetime
- 1940-05-27 FR FR51215D patent/FR51215E/fr not_active Expired
- 1940-07-26 US US347744A patent/US2276806A/en not_active Expired - Lifetime
- 1940-09-27 FR FR51483D patent/FR51483E/fr not_active Expired
- 1940-10-26 FR FR51484D patent/FR51484E/fr not_active Expired
- 1940-10-26 FR FR51485D patent/FR51485E/fr not_active Expired
- 1940-12-02 GB GB17165/40A patent/GB555864A/en not_active Expired
- 1940-12-02 GB GB17164/40A patent/GB555863A/en not_active Expired
- 1940-12-19 FR FR51488D patent/FR51488E/fr not_active Expired
-
1941
- 1941-02-26 NL NL100492A patent/NL76327C/xx active
- 1941-02-28 DE DEA8879D patent/DE926317C/de not_active Expired
- 1941-04-25 FR FR51527D patent/FR51527E/fr not_active Expired
- 1941-06-05 CH CH222371D patent/CH222371A/de unknown
- 1941-06-25 BE BE441873D patent/BE441873A/xx unknown
- 1941-07-25 FR FR51862D patent/FR51862E/fr not_active Expired
- 1941-09-08 CH CH223415D patent/CH223415A/de unknown
- 1941-09-10 BE BE442681D patent/BE442681A/xx unknown
- 1941-09-25 FR FR51863D patent/FR51863E/fr not_active Expired
- 1941-10-07 FR FR51864D patent/FR51864E/fr not_active Expired
-
1942
- 1942-07-17 BE BE446480D patent/BE446480A/xx unknown
- 1942-08-27 US US45638042 patent/USRE22506E/en not_active Expired
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