JPS5555617A - Circuit device for synchronizing between oscillation frequency of superheterodyne receiver and resonance frequency of input circuit - Google Patents

Circuit device for synchronizing between oscillation frequency of superheterodyne receiver and resonance frequency of input circuit

Info

Publication number
JPS5555617A
JPS5555617A JP13252979A JP13252979A JPS5555617A JP S5555617 A JPS5555617 A JP S5555617A JP 13252979 A JP13252979 A JP 13252979A JP 13252979 A JP13252979 A JP 13252979A JP S5555617 A JPS5555617 A JP S5555617A
Authority
JP
Japan
Prior art keywords
synchronizing
superheterodyne receiver
resonance frequency
frequency
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.)
Pending
Application number
JP13252979A
Other languages
Japanese (ja)
Inventor
Buee Marinofusukii Kurisutofu
Rinderure Haintsu
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.)
Licentia Patent Verwaltungs GmbH
Original Assignee
Licentia Patent Verwaltungs GmbH
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 Licentia Patent Verwaltungs GmbH filed Critical Licentia Patent Verwaltungs GmbH
Publication of JPS5555617A publication Critical patent/JPS5555617A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
    • G01R23/02—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage
    • G01R23/06—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage by converting frequency into an amplitude of current or voltage
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
    • G01R23/005—Circuits for comparing several input signals and for indicating the result of this comparison, e.g. equal, different, greater, smaller (comparing phase or frequency of 2 mutually independent oscillations in demodulators)
JP13252979A 1978-10-16 1979-10-16 Circuit device for synchronizing between oscillation frequency of superheterodyne receiver and resonance frequency of input circuit Pending JPS5555617A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19782844938 DE2844938C2 (en) 1978-10-16 1978-10-16 Circuit arrangement for achieving synchronization between the oscillator frequency and the resonance frequency of the input circuit of a heterodyne receiver

Publications (1)

Publication Number Publication Date
JPS5555617A true JPS5555617A (en) 1980-04-23

Family

ID=6052278

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13252979A Pending JPS5555617A (en) 1978-10-16 1979-10-16 Circuit device for synchronizing between oscillation frequency of superheterodyne receiver and resonance frequency of input circuit

Country Status (2)

Country Link
JP (1) JPS5555617A (en)
DE (1) DE2844938C2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2856397C2 (en) * 1978-12-28 1983-06-09 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Circuit arrangement for achieving synchronization between the oscillator frequency and the resonance frequency of the input circuit of a heterodyne receiver.

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3626300A (en) * 1969-08-04 1971-12-07 Detroit Motors Corp Image-rejecting frequency selective apparatus
DE2814577A1 (en) * 1978-04-05 1979-10-11 Nordmende Radio receiver with microcomputer - generating control signals for input and main tuning circuits and controlling changeover

Also Published As

Publication number Publication date
DE2844938C2 (en) 1983-01-20
DE2844938A1 (en) 1980-04-17

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