GB567517A - Improvements in and relating to arrangements for carrier modulation - Google Patents

Improvements in and relating to arrangements for carrier modulation

Info

Publication number
GB567517A
GB567517A GB18180/43A GB1818043A GB567517A GB 567517 A GB567517 A GB 567517A GB 18180/43 A GB18180/43 A GB 18180/43A GB 1818043 A GB1818043 A GB 1818043A GB 567517 A GB567517 A GB 567517A
Authority
GB
United Kingdom
Prior art keywords
reactances
network
electrons
variable
nov
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
GB18180/43A
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 GB567517A publication Critical patent/GB567517A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
    • H03F1/04—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in discharge-tube amplifiers
    • H03F1/06—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in discharge-tube amplifiers to raise the efficiency of amplifying modulated radio frequency waves; to raise the efficiency of amplifiers acting also as modulators
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C1/00—Amplitude modulation
    • H03C1/08—Amplitude modulation by means of variable impedance element
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C7/00—Modulating electromagnetic waves
    • H03C7/02—Modulating electromagnetic waves in transmission lines, waveguides, cavity resonators or radiation fields of antennas

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Transmitters (AREA)
GB18180/43A 1942-11-03 1943-11-03 Improvements in and relating to arrangements for carrier modulation Expired GB567517A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US464341A US2393785A (en) 1942-11-03 1942-11-03 Carrier modulation

Publications (1)

Publication Number Publication Date
GB567517A true GB567517A (en) 1945-02-16

Family

ID=23843540

Family Applications (1)

Application Number Title Priority Date Filing Date
GB18180/43A Expired GB567517A (en) 1942-11-03 1943-11-03 Improvements in and relating to arrangements for carrier modulation

Country Status (4)

Country Link
US (1) US2393785A (fr)
BE (1) BE474679A (fr)
FR (1) FR950308A (fr)
GB (1) GB567517A (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2492168A (en) * 1948-04-03 1949-12-27 Int Standard Electric Corp Modulator
US2577972A (en) * 1948-11-13 1951-12-11 Emi Ltd Circuit arrangement for stabilizing the amplitude of electrical oscillations
NL160833B (nl) * 1950-05-03 Pfizer Werkwijze voor de bereiding van anti-bacteriele kanamycinederivaten en van preparaten die ze bevatten.
US2615983A (en) * 1950-05-05 1952-10-28 Avco Mfg Corp Tuner for television receivers
US2691765A (en) * 1952-04-05 1954-10-12 Bell Telephone Labor Inc Electron discharge device
US3132313A (en) * 1959-08-13 1964-05-05 Alford Andrew Impedance matching filter
US3296520A (en) * 1961-10-26 1967-01-03 William F Griffith Electrically controlled variable resistance
US3343088A (en) * 1963-12-12 1967-09-19 Westinghouse Electric Corp Wideband high efficiency transmitter system
US3766313A (en) * 1972-08-07 1973-10-16 Rca Corp Circuit for transmitting digital signals to conventional television receiver
US3792302A (en) * 1972-12-22 1974-02-12 Raytheon Co Vhf slow wave structure
FR2941269B1 (fr) 2009-01-19 2015-07-03 Peugeot Citroen Automobiles Sa Culasse de moteur de vehicule automobile.

Also Published As

Publication number Publication date
BE474679A (fr)
US2393785A (en) 1946-01-29
FR950308A (fr) 1949-09-23

Similar Documents

Publication Publication Date Title
GB567517A (en) Improvements in and relating to arrangements for carrier modulation
US2457125A (en) Circuit arrangement for producing electrical pulses
GB485073A (en) Improvements in or relating to magnetrons
US1926875A (en) Modulating system
US1932606A (en) Gas filled discharge tube control system
GB480424A (en) Improvements in or relating to electrical phase and polarity reversing networks
US2341655A (en) Variable reactance
GB644992A (en) Improvements in and relating to electron discharge devices
US2692371A (en) Modulator circuit
GB515271A (en) Circuit arrangements and thermionic valves for amplifying electrical oscillations
US1800372A (en) Frequency-translating circuit
GB484017A (en) Improvements in or relating to frequency changing apparatus
US1755865A (en) Coupling circuits
GB506439A (en) Improvements in or relating to modulating circuit arrangements for high frequency magnetron oscillators
US1944216A (en) Signaling system
GB579195A (en) Improvements in or relating to arrangements for forming or amplifying electrical pulses having a very steep wavefront
US2360356A (en) Cathode ray tube circuit
US2919411A (en) Amplifier
US1544943A (en) Electric wave repeater for multiplex transmissions
GB725628A (en) Improvements relating to variable phase-shifting networks
GB618438A (en) Improvements relating to electric subtracting circuits
GB803682A (en) Improvements in or relating to electrical amplitude modulating circuits
US2704828A (en) Modulator circuit
US2543023A (en) Time modulator for electric pulses
GB769698A (en) Improvements in or relating to thermionic valve signal selecting circuits