[go: up one dir, main page]

FR942673A - Perfectionnements aux oscillateurs à fréquence contrôlée - Google Patents

Perfectionnements aux oscillateurs à fréquence contrôlée

Info

Publication number
FR942673A
FR942673A FR942673DA FR942673A FR 942673 A FR942673 A FR 942673A FR 942673D A FR942673D A FR 942673DA FR 942673 A FR942673 A FR 942673A
Authority
FR
France
Prior art keywords
controlled oscillators
frequency controlled
frequency
oscillators
controlled
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR942673A publication Critical patent/FR942673A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/20—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising resistance and either capacitance or inductance, e.g. phase-shift oscillator
    • H03B5/26—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising resistance and either capacitance or inductance, e.g. phase-shift oscillator frequency-determining element being part of bridge circuit in closed ring around which signal is transmitted; frequency-determining element being connected via a bridge circuit to such a closed ring, e.g. Wien-Bridge oscillator, parallel-T oscillator
    • H03B5/28—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising resistance and either capacitance or inductance, e.g. phase-shift oscillator frequency-determining element being part of bridge circuit in closed ring around which signal is transmitted; frequency-determining element being connected via a bridge circuit to such a closed ring, e.g. Wien-Bridge oscillator, parallel-T oscillator active element in amplifier being vacuum tube
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B23/00—Generation of oscillations periodically swept over a predetermined frequency range
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/10—Angle modulation by means of variable impedance
    • H03C3/28—Angle modulation by means of variable impedance using variable impedance driven mechanically or acoustically
FR942673D 1945-01-26 1947-03-05 Perfectionnements aux oscillateurs à fréquence contrôlée Expired FR942673A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US574658A US2451858A (en) 1945-01-26 1945-01-26 Controlled frequency oscillator

Publications (1)

Publication Number Publication Date
FR942673A true FR942673A (fr) 1949-02-15

Family

ID=24297053

Family Applications (1)

Application Number Title Priority Date Filing Date
FR942673D Expired FR942673A (fr) 1945-01-26 1947-03-05 Perfectionnements aux oscillateurs à fréquence contrôlée

Country Status (3)

Country Link
US (1) US2451858A (fr)
FR (1) FR942673A (fr)
GB (1) GB606408A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE971380C (de) * 1953-01-19 1959-01-22 Philips Nv Vorrichtung zum Erzeugen von mit einem Modulationssignal frequenzmodulierten Schwingungen
DE1163199B (de) * 1959-09-25 1964-02-13 Charbonnages De France Fernmess- und Fernanzeigegeraet

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2562640A (en) * 1946-08-12 1951-07-31 Taylor Taylor & Hobson Ltd Electromagnetic detector device for use in measuring apparatus
US2666851A (en) * 1946-11-11 1954-01-19 Tesla Slaboproude A Radiotechn Frequency generator with phase shifter
US2550527A (en) * 1947-02-05 1951-04-24 Baldwin Lima Hamilton Corp Condition responsive motor control system
US2641741A (en) * 1949-02-21 1953-06-09 Phillips Petroleum Co Crystal controlled modulated oscillator
US2633534A (en) * 1950-02-01 1953-03-31 Bell Telephone Labor Inc Variable frequency oscillator
US2673960A (en) * 1950-03-22 1954-03-30 Bell Telephone Labor Inc Thermistor measuring apparatus
US2648773A (en) * 1950-03-23 1953-08-11 Bell Telephone Labor Inc Polyphase oscillator
US2662183A (en) * 1950-04-06 1953-12-08 Zenith Radio Corp Phase shift oscillating system
US2761973A (en) * 1950-10-02 1956-09-04 Northrop Aircraft Inc Phase shift oscillator
US2747093A (en) * 1952-05-01 1956-05-22 Raymond Rosen Engineering Prod Telemetering oscillators
US2777951A (en) * 1952-12-10 1957-01-15 Sperry Rand Corp Erequency modulating systems for phase-shift oscillators
US2782311A (en) * 1953-09-17 1957-02-19 Bendix Aviat Corp Bridge controlled oscillator
US2947915A (en) * 1954-12-03 1960-08-02 Honeywell Regulator Co Electrical control apparatus
US2881256A (en) * 1955-07-08 1959-04-07 Itt Pulse communication system
US3045191A (en) * 1958-09-02 1962-07-17 Itt Transistor phase shift oscillators
US3338680A (en) * 1963-04-01 1967-08-29 Bausch & Lomb Temperature compensating system
NL6412745A (fr) * 1964-11-02 1966-05-03
US3569827A (en) * 1965-11-16 1971-03-09 Nasa Apparatus for detecting the amount of material in a resonant cavity container
US3448292A (en) * 1966-08-01 1969-06-03 Ibm Wideband agc circuit

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE543690C (de) * 1930-04-04 1932-02-09 Telefunken Gmbh Rueckgekoppelter Roehrengenerator
GB415716A (en) * 1933-02-28 1934-08-28 Marconi Wireless Telegraph Co Improvements in or relating to thermionic oscillation generators
US2209955A (en) * 1936-12-05 1940-08-06 Bell Telephone Labor Inc Wave translation system
GB489849A (en) * 1937-01-04 1938-08-04 Norman Lawrence Yates Fish Improvements in and relating to thermionic valve oscillators and amplifiers
US2163403A (en) * 1937-07-02 1939-06-20 Bell Telephone Labor Inc Stabilized oscillator
US2186571A (en) * 1937-07-27 1940-01-09 Int Standard Electric Corp Tuned electric circuits
US2173427A (en) * 1937-08-30 1939-09-19 Gen Radio Co Electric oscillator
US2236690A (en) * 1938-03-05 1941-04-01 Bell Telephone Labor Inc Negative impedance circuit
NL62295C (fr) * 1938-06-28
US2268872A (en) * 1939-07-11 1942-01-06 Hewlett Packard Co Variable frequency oscillation generator
US2236985A (en) * 1939-10-28 1941-04-01 Gen Electric Oscillator
US2324408A (en) * 1941-12-31 1943-07-13 Western Electric Co Amplifier

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE971380C (de) * 1953-01-19 1959-01-22 Philips Nv Vorrichtung zum Erzeugen von mit einem Modulationssignal frequenzmodulierten Schwingungen
DE1163199B (de) * 1959-09-25 1964-02-13 Charbonnages De France Fernmess- und Fernanzeigegeraet

Also Published As

Publication number Publication date
US2451858A (en) 1948-10-19
GB606408A (en) 1948-08-12

Similar Documents

Publication Publication Date Title
FR942673A (fr) Perfectionnements aux oscillateurs à fréquence contrôlée
FR929598A (fr) Perfectionnements aux béquilles
FR933208A (fr) Perfectionnements aux appareils vibratoires
FR928843A (fr) Vibrateur
FR54478E (fr) Perfectionnements aux montres-bracelets
FR926963A (fr) Perfectionnements aux résonateurs creux
FR56830E (fr) Perfectionnements aux oscillateurs électriques
FR917874A (fr) Perfectionnements aux montres-bracelets
FR939183A (fr) Perfectionnements à la modulation de fréquence
FR941632A (fr) Perfectionnements apportés aux distributeurs-régulateurs
FR938743A (fr) Perfectionnements aux oscillateurs à relaxation
FR928287A (fr) Câble à haute fréquence
FR909449A (fr) Capodastre
FR937116A (fr) Perfectionnements aux câbles à haute fréquence
FR915397A (fr) Perfectionnements relatifs aux aéromoteurs
FR56470E (fr) Perfectionnements aux constructions démontables
FR912237A (fr) Perfectionnements aux oscillateurs
FR946534A (fr) Perfectionnements aux multiplicateurs statiques de fréquence
FR932527A (fr) Perfectionnement aux armoires
FR930314A (fr) Perfectionnements aux calandres
FR57215E (fr) Perfectionnements aux oscillateurs électriques
ES168735A1 (es) Oscilador estabilizado
FR912127A (fr) Perfectionnements aux changeurs de fréquence
FR995389A (fr) Générateur à haute fréquence
FR922314A (fr) Perfectionnements relatifs aux cribles