FR920715A - Récepteur pour ondes courtes - Google Patents

Récepteur pour ondes courtes

Info

Publication number
FR920715A
FR920715A FR920715DA FR920715A FR 920715 A FR920715 A FR 920715A FR 920715D A FR920715D A FR 920715DA FR 920715 A FR920715 A FR 920715A
Authority
FR
France
Prior art keywords
shortwave receiver
shortwave
receiver
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
English (en)
French (fr)
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR920715A publication Critical patent/FR920715A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/14—Balanced arrangements
    • H03D7/1416—Balanced arrangements with discharge tubes having more than two electrodes
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/54—Amplifiers using transit-time effect in tubes or semiconductor devices
    • 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
    • H03H2/008—Receiver or amplifier input circuits
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J3/00—Continuous tuning
    • H03J3/28—Continuous tuning of more than one resonant circuit simultaneously, the tuning frequencies of the circuits having a substantially constant difference throughout the tuning range

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
FR920715D 1943-10-27 1946-01-26 Récepteur pour ondes courtes Expired FR920715A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL250225X 1943-10-27

Publications (1)

Publication Number Publication Date
FR920715A true FR920715A (fr) 1947-04-16

Family

ID=19781056

Family Applications (1)

Application Number Title Priority Date Filing Date
FR920715D Expired FR920715A (fr) 1943-10-27 1946-01-26 Récepteur pour ondes courtes

Country Status (7)

Country Link
US (1) US2595997A (OSRAM)
BE (1) BE459216A (OSRAM)
CH (1) CH250225A (OSRAM)
DE (1) DE862028C (OSRAM)
FR (1) FR920715A (OSRAM)
GB (1) GB638004A (OSRAM)
NL (1) NL68156C (OSRAM)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2011943A (en) * 1933-01-26 1935-08-20 Rca Corp Ultra short wave reception
BE432342A (OSRAM) * 1938-01-29
US2307074A (en) * 1938-09-22 1943-01-05 George E Pray Modulating circuit for high frequencies
US2382693A (en) * 1940-02-24 1945-08-14 Dallenbach Walter Oscillator-modulator circuit
US2260844A (en) * 1940-03-12 1941-10-28 Gen Electric Ultra high frequency converter
BE445613A (OSRAM) * 1941-05-19
US2479537A (en) * 1942-12-30 1949-08-16 Gen Electric Detector-oscillator circuit for ultra high frequency receivers

Also Published As

Publication number Publication date
CH250225A (de) 1947-08-15
DE862028C (de) 1953-01-08
US2595997A (en) 1952-05-06
NL68156C (OSRAM) 1951-07-16
BE459216A (OSRAM) 1946-01-05
GB638004A (en) 1950-05-31

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