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BE467883A - Dispositif pour accorder simultanément plusieurs circuits oscillants - Google Patents

Dispositif pour accorder simultanément plusieurs circuits oscillants

Info

Publication number
BE467883A
BE467883A BE467883A BE467883A BE467883A BE 467883 A BE467883 A BE 467883A BE 467883 A BE467883 A BE 467883A BE 467883 A BE467883 A BE 467883A BE 467883 A BE467883 A BE 467883A
Authority
BE
Belgium
Prior art keywords
oscillating circuits
simultaneously tuning
several oscillating
tuning several
circuits
Prior art date
Application number
BE467883A
Other languages
English (en)
Original Assignee
Philips 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 Nv filed Critical Philips Nv
Publication of BE467883A publication Critical patent/BE467883A/fr

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
    • H03D7/06—Transference of modulation from one carrier to another, e.g. frequency-changing by means of discharge tubes having more than two electrodes
    • H03D7/10—Transference of modulation from one carrier to another, e.g. frequency-changing by means of discharge tubes having more than two electrodes the signals to be mixed being applied between different pairs of electrodes
    • 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)
  • Superheterodyne Receivers (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
BE467883A 1944-08-19 1946-09-12 Dispositif pour accorder simultanément plusieurs circuits oscillants BE467883A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL629021X 1944-08-19

Publications (1)

Publication Number Publication Date
BE467883A true BE467883A (fr) 1947-03-12

Family

ID=19788669

Family Applications (1)

Application Number Title Priority Date Filing Date
BE467883A BE467883A (fr) 1944-08-19 1946-09-12 Dispositif pour accorder simultanément plusieurs circuits oscillants

Country Status (5)

Country Link
US (1) US2525394A (fr)
BE (1) BE467883A (fr)
DE (1) DE950472C (fr)
FR (1) FR937995A (fr)
GB (1) GB629021A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5226304A (en) * 1991-12-30 1993-07-13 Michael Scott Universal cylinder modification kit enables lock to have interchangeable care
WO2020232091A1 (fr) * 2019-05-13 2020-11-19 Carmeuse North America Calcinateur utilisant des gaz recyclés

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB403964A (en) * 1931-05-28 1933-12-27 Hazeltine Corp Feed-back circuits
GB412253A (en) * 1932-12-19 1934-06-19 Emi Ltd Improvements in and relating to wireless receivers
US2061991A (en) * 1935-05-22 1936-11-24 Hazeltine Corp High-frequency signaling system
GB447104A (en) * 1935-11-21 1936-05-12 Aladdin Radio Patents Ltd Improvements in or relating to tuning systems for wireless receivers of the supersonic-heterodyne type
DE692422C (de) * 1936-06-30 1940-06-19 Rca Corp Auf mehrere Frequenzbereiche umschaltbarer, rueckgekoppelter und abstimmbarer Verstaerker oder Oszillator
DE702010C (de) * 1937-04-18 1941-01-28 Telefunken Gmbh Superhetempfaenger
BE434401A (fr) * 1938-05-17
US2231389A (en) * 1939-05-08 1941-02-11 Philips Nv Tunable oscillatory circuits
US2404669A (en) * 1942-09-25 1946-07-23 Gen Electric Converter
US2439286A (en) * 1944-02-16 1948-04-06 Rca Corp Oscillation generator

Also Published As

Publication number Publication date
GB629021A (en) 1949-09-09
US2525394A (en) 1950-10-10
FR937995A (fr) 1948-09-01
DE950472C (de) 1956-10-11

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