FR2426367A1 - Perfectionnements aux appareils radio-electriques pour la collecte d'informations provenant d'une multiplicite de postes - Google Patents

Perfectionnements aux appareils radio-electriques pour la collecte d'informations provenant d'une multiplicite de postes

Info

Publication number
FR2426367A1
FR2426367A1 FR7814626A FR7814626A FR2426367A1 FR 2426367 A1 FR2426367 A1 FR 2426367A1 FR 7814626 A FR7814626 A FR 7814626A FR 7814626 A FR7814626 A FR 7814626A FR 2426367 A1 FR2426367 A1 FR 2426367A1
Authority
FR
France
Prior art keywords
local oscillator
mixing
synthesiser
frequency
receiver
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.)
Granted
Application number
FR7814626A
Other languages
English (en)
French (fr)
Other versions
FR2426367B1 (fi
Inventor
Michel Geesen
Jacques Mourant
Daniel Pierre Ludwig
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.)
Thales SA
Original Assignee
Dassault Electronique 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 Dassault Electronique SA filed Critical Dassault Electronique SA
Priority to FR7814626A priority Critical patent/FR2426367A1/fr
Priority to CA000327560A priority patent/CA1142237A/fr
Priority to DE2953957A priority patent/DE2953957C2/de
Priority to DE2919839A priority patent/DE2919839C2/de
Priority to DE2953958A priority patent/DE2953958C2/de
Priority to NO791642A priority patent/NO148505C/no
Priority to JP54059786A priority patent/JPS6013620B2/ja
Publication of FR2426367A1 publication Critical patent/FR2426367A1/fr
Priority to US06/318,548 priority patent/US4479249A/en
Priority to US06/318,542 priority patent/US4479255A/en
Priority to US06/318,547 priority patent/US4484356A/en
Application granted granted Critical
Publication of FR2426367B1 publication Critical patent/FR2426367B1/fr
Priority to CA000408315A priority patent/CA1144607A/fr
Priority to CA000408314A priority patent/CA1143801A/fr
Priority to NO823329A priority patent/NO823329L/no
Priority to NO823328A priority patent/NO823328L/no
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
    • G01R23/16—Spectrum analysis; Fourier analysis
    • G01R23/165—Spectrum analysis; Fourier analysis using filters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
    • H03D3/001—Details of arrangements applicable to more than one type of frequency demodulator
    • H03D3/003—Arrangements for reducing frequency deviation, e.g. by negative frequency feedback
    • H03D3/004—Arrangements for reducing frequency deviation, e.g. by negative frequency feedback wherein the demodulated signal is used for controlling an oscillator, e.g. the local oscillator
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
    • H03J7/18—Automatic scanning over a band of frequencies
    • H03J7/20—Automatic scanning over a band of frequencies where the scanning is accomplished by varying the electrical characteristics of a non-mechanically adjustable element
    • H03J7/28—Automatic scanning over a band of frequencies where the scanning is accomplished by varying the electrical characteristics of a non-mechanically adjustable element using counters or frequency dividers
    • H03J7/285—Automatic scanning over a band of frequencies where the scanning is accomplished by varying the electrical characteristics of a non-mechanically adjustable element using counters or frequency dividers the counter or frequency divider being used in a phase locked loop

Landscapes

  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Circuits Of Receivers In General (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Superheterodyne Receivers (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
  • Burglar Alarm Systems (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Communication Control (AREA)
FR7814626A 1978-05-12 1978-05-17 Perfectionnements aux appareils radio-electriques pour la collecte d'informations provenant d'une multiplicite de postes Granted FR2426367A1 (fr)

Priority Applications (14)

Application Number Priority Date Filing Date Title
FR7814626A FR2426367A1 (fr) 1978-05-17 1978-05-17 Perfectionnements aux appareils radio-electriques pour la collecte d'informations provenant d'une multiplicite de postes
CA000327560A CA1142237A (fr) 1978-05-17 1979-05-14 Appareils radioelectriques pour la collecte d'informations provenant d'une multiplicite de postes
DE2919839A DE2919839C2 (de) 1978-05-17 1979-05-16 Gerät zum Erfassen von zufallsweise empfangenen Funksignalen unbekannter Frequenzen
DE2953958A DE2953958C2 (fi) 1978-05-17 1979-05-16
NO791642A NO148505C (no) 1978-05-17 1979-05-16 Apparat for oppfangning av radiosignaler i et forutbestemt inngangsfrekvensbaand
DE2953957A DE2953957C2 (de) 1978-05-17 1979-05-16 Gerät zum Verarbeiten von Signalen
JP54059786A JPS6013620B2 (ja) 1978-05-17 1979-05-17 複数個の送信局よりの情報収集用無線装置
US06/318,548 US4479249A (en) 1978-05-12 1981-11-05 Apparatus for collecting and processing messages transmitted at different signal frequencies
US06/318,542 US4479255A (en) 1978-05-12 1981-11-05 Apparatus for acquiring and collecting radio signals coming from a plurality of stations
US06/318,547 US4484356A (en) 1978-05-12 1981-11-05 Apparatus and method for acquiring and processing radio signals received at different frequencies
CA000408315A CA1144607A (fr) 1978-05-17 1982-07-28 Appareils radioelectriques pour la collecte d'informations provenant d'une multiplicite de postes
CA000408314A CA1143801A (fr) 1978-05-17 1982-07-28 Appareils radioelectriques pour la collecte d'informations provenant d'une multiplicite de postes
NO823329A NO823329L (no) 1978-05-17 1982-10-04 Apparat for behandling av signaler.
NO823328A NO823328L (no) 1978-05-17 1982-10-04 Apparat for mottagning og oppsamling av radiosignaler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7814626A FR2426367A1 (fr) 1978-05-17 1978-05-17 Perfectionnements aux appareils radio-electriques pour la collecte d'informations provenant d'une multiplicite de postes

Publications (2)

Publication Number Publication Date
FR2426367A1 true FR2426367A1 (fr) 1979-12-14
FR2426367B1 FR2426367B1 (fi) 1982-04-09

Family

ID=9208342

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7814626A Granted FR2426367A1 (fr) 1978-05-12 1978-05-17 Perfectionnements aux appareils radio-electriques pour la collecte d'informations provenant d'une multiplicite de postes

Country Status (5)

Country Link
JP (1) JPS6013620B2 (fi)
CA (1) CA1142237A (fi)
DE (3) DE2919839C2 (fi)
FR (1) FR2426367A1 (fi)
NO (3) NO148505C (fi)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2999839B1 (fr) * 2012-12-14 2018-05-25 Thales Recepteur de signaux radiofrequence destine a etre installe sur un satellite

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1605302A (fi) * 1958-08-26 1974-08-02
US3984769A (en) * 1956-07-26 1976-10-05 American Standard, Inc. Mixed-base intercept receiver
DE2735148A1 (de) * 1976-08-04 1978-02-09 Plessey Handel Investment Ag Mit frequenzsynthese arbeitende steueranordnung

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3042800A (en) * 1960-07-01 1962-07-03 Hughes Aircraft Co Selective automatic gain control circuit
US3173087A (en) * 1961-04-03 1965-03-09 Collins Radio Co Radio search and intercept system including serially connected frequency determining units with increasing passbands

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3984769A (en) * 1956-07-26 1976-10-05 American Standard, Inc. Mixed-base intercept receiver
FR1605302A (fi) * 1958-08-26 1974-08-02
DE2735148A1 (de) * 1976-08-04 1978-02-09 Plessey Handel Investment Ag Mit frequenzsynthese arbeitende steueranordnung

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NV8087/69 *

Also Published As

Publication number Publication date
NO148505C (no) 1983-10-19
NO823329L (no) 1979-11-20
JPS5526795A (en) 1980-02-26
DE2953958C2 (fi) 1987-04-30
FR2426367B1 (fi) 1982-04-09
NO148505B (no) 1983-07-11
NO791642L (no) 1979-11-20
DE2919839C2 (de) 1983-03-03
DE2919839A1 (de) 1979-12-20
DE2953957C2 (de) 1986-08-07
CA1142237A (fr) 1983-03-01
JPS6013620B2 (ja) 1985-04-08
NO823328L (no) 1979-11-20

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Legal Events

Date Code Title Description
TP Transmission of property
CD Change of name or company name