BE435639A - - Google Patents

Info

Publication number
BE435639A
BE435639A BE435639DA BE435639A BE 435639 A BE435639 A BE 435639A BE 435639D A BE435639D A BE 435639DA BE 435639 A BE435639 A BE 435639A
Authority
BE
Belgium
Application number
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.)
Publication of BE435639A publication Critical patent/BE435639A/xx

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03CMODULATION
    • H03C3/00Angle modulation
    • H03C3/10Angle modulation by means of variable impedance
    • H03C3/12Angle modulation by means of variable impedance by means of a variable reactive element
    • H03C3/18Angle modulation by means of variable impedance by means of a variable reactive element the element being a current-dependent inductor
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62BDEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B18/00Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
    • A62B18/02Masks
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03CMODULATION
    • H03C3/00Angle modulation
    • H03C3/10Angle modulation by means of variable impedance
    • H03C3/12Angle modulation by means of variable impedance by means of a variable reactive element
    • H03C3/20Angle modulation by means of variable impedance by means of a variable reactive element the element being a voltage-dependent capacitor

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Zoology (AREA)
  • Pulmonology (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Circuit Arrangements For Discharge Lamps (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
  • Inverter Devices (AREA)
BE435639D 1943-05-06 BE435639A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL242061X 1943-05-06

Publications (1)

Publication Number Publication Date
BE435639A true BE435639A (fr)

Family

ID=19780620

Family Applications (1)

Application Number Title Priority Date Filing Date
BE435639D BE435639A (fr) 1943-05-06

Country Status (7)

Country Link
US (1) US2495634A (fr)
BE (1) BE435639A (fr)
CH (1) CH242061A (fr)
DE (1) DE862318C (fr)
FR (1) FR904095A (fr)
GB (1) GB619085A (fr)
NL (1) NL68586C (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2763779A (en) * 1946-04-08 1956-09-18 Groot Folkert Albert De Control-circuit arrangement
US2658999A (en) * 1951-01-05 1953-11-10 George M Farly Bevatron acceleration regulation
US2891158A (en) * 1951-06-30 1959-06-16 Cgs Lab Inc Ferrite stabilizing system
US2933697A (en) * 1955-05-13 1960-04-19 Gulton Ind Inc Electronic musical instrument having voltage sensitive frequency variation means
US2938173A (en) * 1955-05-16 1960-05-24 Honeywell Regulator Co Measuring circuit using modulated transistor oscillator with temperature stabilization
US2925561A (en) * 1955-07-01 1960-02-16 Motorola Inc Crystal oscillator system
US2940054A (en) * 1956-03-30 1960-06-07 Walter J Brown Stabilized phase modulators
DE1177737B (de) * 1962-09-13 1964-09-10 Johannes Schunack Dr Ing Verfahren zur Linearisierung der Frequenz-Zeit-Charakteristik der Ausgangsspannung eines Wobbelsenders
DE1201412B (de) * 1962-10-29 1965-09-23 Sennheiser Electronic Hochfrequenzkondensatormikrofon mit Gegen-kopplung
US3617947A (en) * 1964-10-29 1971-11-02 Garold K Jensen Wide band frequency modulator

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2000584A (en) * 1931-10-05 1935-05-07 Fichandler Carl Frequency control
US2279660A (en) * 1937-04-13 1942-04-14 Rca Corp Wave length modulation system
US2334726A (en) * 1941-12-05 1943-11-23 Rca Corp Linear modulator

Also Published As

Publication number Publication date
FR904095A (fr) 1945-10-25
DE862318C (de) 1953-01-08
GB619085A (en) 1949-03-03
NL68586C (fr)
CH242061A (de) 1946-04-15
US2495634A (en) 1950-01-24

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