GB649130A - Improvements in and relating to generation of electro-magnetic waves - Google Patents

Improvements in and relating to generation of electro-magnetic waves

Info

Publication number
GB649130A
GB649130A GB30603/49A GB3060349A GB649130A GB 649130 A GB649130 A GB 649130A GB 30603/49 A GB30603/49 A GB 30603/49A GB 3060349 A GB3060349 A GB 3060349A GB 649130 A GB649130 A GB 649130A
Authority
GB
United Kingdom
Prior art keywords
frequency
modulated
slot
wave
radio
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
GB30603/49A
Other languages
English (en)
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.)
British Thomson Houston Co Ltd
Original Assignee
British Thomson Houston Co Ltd
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 British Thomson Houston Co Ltd filed Critical British Thomson Houston Co Ltd
Publication of GB649130A publication Critical patent/GB649130A/en
Expired legal-status Critical Current

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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J25/00—Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
    • H01J25/78—Tubes with electron stream modulated by deflection in a resonator
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B19/00—Generation of oscillations by non-regenerative frequency multiplication or division of a signal from a separate source
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B21/00—Generation of oscillations by combining unmodulated signals of different frequencies
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/18—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising distributed inductance and capacitance
    • H03B5/1817—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising distributed inductance and capacitance the frequency-determining element being a cavity resonator
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/30—Angle modulation by means of transit-time tube
    • H03C3/32—Angle modulation by means of transit-time tube the tube being a magnetron
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/34—Angle modulation by deflection of electron beam in discharge tube

Landscapes

  • Particle Accelerators (AREA)
  • Waveguide Aerials (AREA)
GB30603/49A 1945-03-15 1946-03-11 Improvements in and relating to generation of electro-magnetic waves Expired GB649130A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US582916A US2576696A (en) 1945-03-15 1945-03-15 Generation of electromagnetic waves by doppler effects

Publications (1)

Publication Number Publication Date
GB649130A true GB649130A (en) 1951-01-17

Family

ID=24330958

Family Applications (2)

Application Number Title Priority Date Filing Date
GB30603/49A Expired GB649130A (en) 1945-03-15 1946-03-11 Improvements in and relating to generation of electro-magnetic waves
GB7533/46A Expired GB649085A (en) 1945-03-15 1946-03-11 Improvements in and relating to generation of electromagnetic waves

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB7533/46A Expired GB649085A (en) 1945-03-15 1946-03-11 Improvements in and relating to generation of electromagnetic waves

Country Status (4)

Country Link
US (1) US2576696A (enExample)
BE (1) BE480554A (enExample)
FR (1) FR962877A (enExample)
GB (2) GB649130A (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2737585A (en) * 1952-04-30 1956-03-06 Wolff Irving Super-high frequency radio generator
US2859411A (en) * 1953-06-19 1958-11-04 Raytheon Mfg Co Modulated traveling-wave tube
US3215844A (en) * 1962-08-02 1965-11-02 Bell Telephone Labor Inc Broadband output coupler for photomultiplier system
US3244890A (en) * 1963-03-22 1966-04-05 Bell Telephone Labor Inc Photosensitive broadband coupler using wave guide
US3307194A (en) * 1963-05-21 1967-02-28 Sheleg Boris High speed microwave phase shifter using a positionable electron beam to cause electromagentic-wave reflection
US3221207A (en) * 1963-06-05 1965-11-30 Trw Inc Microwave power generating by periodic sweep of electron beam along length of resonant waveguide

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1777378A (en) * 1926-09-08 1930-10-07 American Telephone & Telegraph Photo-electric cell
US2272165A (en) * 1938-03-01 1942-02-03 Univ Leland Stanford Junior High frequency electrical apparatus
US2275480A (en) * 1938-03-01 1942-03-10 Univ Leland Stanford Junior High frequency electrical apparatus
GB537491A (en) * 1939-12-22 1941-06-24 Standard Telephon & Radio Ag Improvements in or relating to high frequency electron discharge apparatus
US2357313A (en) * 1940-10-01 1944-09-05 Rca Corp High frequency resonator and circuit therefor
US2409991A (en) * 1941-04-12 1946-10-22 Howard M Strobel Standing wave coupler
US2391914A (en) * 1943-05-21 1946-01-01 Raymond J Mceihannon Method and apparatus for variably reflecting radio waves electrically
US2380981A (en) * 1944-08-23 1945-08-07 Raymond J Mcelhannon Radio scanning system

Also Published As

Publication number Publication date
US2576696A (en) 1951-11-27
FR962877A (enExample) 1950-06-22
GB649085A (en) 1951-01-17
BE480554A (enExample)

Similar Documents

Publication Publication Date Title
US2253589A (en) Generation and transmission of high frequency oscillations
US2595698A (en) Electron discharge device and associated circuit
GB595894A (en) Electric pulse demodulation system
US2368328A (en) High frequency generator
US2891191A (en) Backward wave tube
US2484256A (en) Modulator
GB649130A (en) Improvements in and relating to generation of electro-magnetic waves
US1979225A (en) Means and method of measuring distance
US2445771A (en) Electron discharge device of the velocity modulation type
US3612899A (en) Generator for short-duration high-frequency pulse signals
US2434704A (en) Electric space discharge circuits
US2454094A (en) Electron discharge device for producing electric oscillations
US2299619A (en) Ultra short wave signaling
US2619543A (en) Frequency changing pulse repeater employing phase modulation
US2447543A (en) Ultra high frequency modulator
US2440264A (en) Modulator system
GB592572A (en) Improvements in or relating to electron discharge apparatus
GB603188A (en) Improvements in or relating to electric pulse time modulators
US2623993A (en) Amplitude modulator with double yield
US3095543A (en) Means for modulating high frequency generators
US2524283A (en) Microwave measuring apparatus
US2464115A (en) Apparatus for amplitude modulating high-frequency oscillations
US2558001A (en) Generation of electromagnetic waves by doppler effects
US2482768A (en) High-frequency modulating system
SU70455A1 (ru) Устройство дл получени импульсных электрических колебаний, модулированных по продолжительности