DE909582C - Schaltung zur Frequenztastung - Google Patents

Schaltung zur Frequenztastung

Info

Publication number
DE909582C
DE909582C DEP28952A DEP0028952A DE909582C DE 909582 C DE909582 C DE 909582C DE P28952 A DEP28952 A DE P28952A DE P0028952 A DEP0028952 A DE P0028952A DE 909582 C DE909582 C DE 909582C
Authority
DE
Germany
Prior art keywords
circuit
frequency
circuit according
phase
resonant circuit
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
DEP28952A
Other languages
German (de)
English (en)
Inventor
Dipl-Ing Marcel Georges Favre
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.)
Patelhold Patenverwertungs and Elektro-Holding AG
Original Assignee
Patelhold Patenverwertungs and Elektro-Holding AG
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 Patelhold Patenverwertungs and Elektro-Holding AG filed Critical Patelhold Patenverwertungs and Elektro-Holding AG
Application granted granted Critical
Publication of DE909582C publication Critical patent/DE909582C/de
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03BGENERATION 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
    • H03B5/00Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/30Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator
    • H03B5/32Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator
    • H03B5/34Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator active element in amplifier being vacuum tube
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03CMODULATION
    • H03C3/00Angle modulation
    • H03C3/02Details
    • H03C3/09Modifications of modulator for regulating the mean frequency
    • 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

Landscapes

  • Oscillators With Electromechanical Resonators (AREA)
DEP28952A 1947-03-01 1949-01-01 Schaltung zur Frequenztastung Expired DE909582C (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH909582X 1947-03-01

Publications (1)

Publication Number Publication Date
DE909582C true DE909582C (de) 1954-04-22

Family

ID=4547145

Family Applications (1)

Application Number Title Priority Date Filing Date
DEP28952A Expired DE909582C (de) 1947-03-01 1949-01-01 Schaltung zur Frequenztastung

Country Status (5)

Country Link
BE (1) BE480829A (xx)
CH (1) CH258470A (xx)
DE (1) DE909582C (xx)
FR (1) FR962237A (xx)
NL (3) NL138983B (xx)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2816227A (en) * 1953-11-04 1957-12-10 Hahnel Alwin Frequency multiplier

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE962271C (de) * 1954-11-12 1957-04-18 Lorenz C Ag Schaltungsanordnung zur Frequenzmodulation
US2867725A (en) * 1956-02-20 1959-01-06 Patronix Inc Electronic oscillator

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE644655C (de) * 1931-01-10 1937-05-10 Radio Electr Soc Fr Verfahren zur AEnderung eines Blindwiderstandes
DE717698C (de) * 1937-03-02 1942-02-20 Telefunken Gmbh Anordnung zur Frequenzbeeinflussung eines Roehrenoszillators mittels geregelter wattloser Rueckkopplung
US2298436A (en) * 1940-06-05 1942-10-13 Rca Corp Frequency modulation
FR896849A (fr) * 1942-07-11 1945-03-05 Philips Nv Montage destiné à la modulation en fréquence d'une oscillation électrique

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE644655C (de) * 1931-01-10 1937-05-10 Radio Electr Soc Fr Verfahren zur AEnderung eines Blindwiderstandes
DE717698C (de) * 1937-03-02 1942-02-20 Telefunken Gmbh Anordnung zur Frequenzbeeinflussung eines Roehrenoszillators mittels geregelter wattloser Rueckkopplung
US2298436A (en) * 1940-06-05 1942-10-13 Rca Corp Frequency modulation
FR896849A (fr) * 1942-07-11 1945-03-05 Philips Nv Montage destiné à la modulation en fréquence d'une oscillation électrique

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2816227A (en) * 1953-11-04 1957-12-10 Hahnel Alwin Frequency multiplier

Also Published As

Publication number Publication date
FR962237A (xx) 1950-06-07
NL75095C (xx)
BE480829A (xx)
NL66254C (xx)
CH258470A (de) 1948-11-30
NL138983B (nl)

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