FR937995A - Dispositif d'accord simultané de plusieurs circuits oscillants - Google Patents

Dispositif d'accord simultané de plusieurs circuits oscillants

Info

Publication number
FR937995A
FR937995A FR937995DA FR937995A FR 937995 A FR937995 A FR 937995A FR 937995D A FR937995D A FR 937995DA FR 937995 A FR937995 A FR 937995A
Authority
FR
France
Prior art keywords
oscillating circuits
simultaneous tuning
several oscillating
several
tuning
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)
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 FR937995A publication Critical patent/FR937995A/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
    • H03D7/06—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)
FR937995D 1944-08-19 1946-09-26 Dispositif d'accord simultané de plusieurs circuits oscillants Expired FR937995A (fr)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
FR937995A true FR937995A (fr) 1948-09-01

Family

ID=19788669

Family Applications (1)

Application Number Title Priority Date Filing Date
FR937995D Expired FR937995A (fr) 1944-08-19 1946-09-26 Dispositif d'accord simultané de 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
EP3969426A4 (fr) * 2019-05-13 2023-07-05 Carmeuse Lime, Inc. 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
NL51550C (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
DE950472C (de) 1956-10-11
BE467883A (fr) 1947-03-12
GB629021A (en) 1949-09-09
US2525394A (en) 1950-10-10

Similar Documents

Publication Publication Date Title
FR946946A (fr) Appareil d'accord de haute fréquence
FR937995A (fr) Dispositif d'accord simultané de plusieurs circuits oscillants
FR903330A (fr) Dispositif de désamortissement d'un circuit oscillant accordé sur une ultra-haute fréquence
FR927511A (fr) Circuit oscillant pour ondes ultra-courtes
FR906770A (fr) Dispositif d'accord pour récepteurs radio-électriques d'ondes courtes à plusieurs circuits
FR992656A (fr) Dispositif de correction d'impédance
FR52731E (fr) Dispositif d'antennes dirigées pour larges bandes de fréquences
FR934635A (fr) Dispositif de stabilisation de la fréquence des générateurs d'ondes ultracourtes
FR970331A (fr) Dispositif d'accord
FR912618A (fr) Dispositif pour la production de plusieurs oscillations de fréquences différentes
FR903906A (fr) Dispositif d'accord pour circuits à ondes courtes
FR917460A (fr) Dispositif de fixation
FR54784E (fr) Appareil d'accord d'un oscillateur
FR921751A (fr) Dispositif pour le retournage de parties de vêtements
FR939673A (fr) Dispositif pour l'allumage et l'excitation de mutateurs
FR907873A (fr) Dispositif d'amortissement pour ondes ultra-courtes
FR993889A (fr) Dispositif de réglage de fréquence piézo-électrique
FR989677A (fr) Dispositif diviseur de fréquences
FR895560A (fr) Dispositif pour le réglage de circuits oscillants pour ondes ultra-courtes
FR60357E (fr) Dispositif de réglage des montres
FR936548A (fr) Dispositif de fixation
FR927325A (fr) Appareil d'accord d'un oscillateur
FR939423A (fr) Montage de réglage de l'accord d'un circuit oscillant
FR1046579A (fr) Bobine d'accord réglable pour circuits oscillants pour ondes courtes et ultra-courtes
FR989132A (fr) Dispositif modulateur de fréquence