FR2489059B1 - Recepteur radioelectrique a modulation de frequence et commutateur de commande - Google Patents

Recepteur radioelectrique a modulation de frequence et commutateur de commande

Info

Publication number
FR2489059B1
FR2489059B1 FR8116108A FR8116108A FR2489059B1 FR 2489059 B1 FR2489059 B1 FR 2489059B1 FR 8116108 A FR8116108 A FR 8116108A FR 8116108 A FR8116108 A FR 8116108A FR 2489059 B1 FR2489059 B1 FR 2489059B1
Authority
FR
France
Prior art keywords
radio frequency
control switch
frequency modulated
modulated receiver
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.)
Expired
Application number
FR8116108A
Other languages
English (en)
French (fr)
Other versions
FR2489059A1 (fr
Inventor
Peter Edward Chadwick
Philip Albert Kenneth Moon
Norman Cameron Thompson
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.)
Plessey Overseas Ltd
Original Assignee
Plessey Overseas Ltd
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 Plessey Overseas Ltd filed Critical Plessey Overseas Ltd
Publication of FR2489059A1 publication Critical patent/FR2489059A1/fr
Application granted granted Critical
Publication of FR2489059B1 publication Critical patent/FR2489059B1/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
    • H04L27/14—Demodulator circuits; Receiver circuits
    • H04L27/144—Demodulator circuits; Receiver circuits with demodulation using spectral properties of the received signal, e.g. by using frequency selective- or frequency sensitive elements

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Superheterodyne Receivers (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Structure Of Receivers (AREA)
FR8116108A 1980-08-23 1981-08-21 Recepteur radioelectrique a modulation de frequence et commutateur de commande Expired FR2489059B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8027511A GB2086158B (en) 1980-08-23 1980-08-23 Radio receiver

Publications (2)

Publication Number Publication Date
FR2489059A1 FR2489059A1 (fr) 1982-02-26
FR2489059B1 true FR2489059B1 (fr) 1986-07-18

Family

ID=10515636

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8116108A Expired FR2489059B1 (fr) 1980-08-23 1981-08-21 Recepteur radioelectrique a modulation de frequence et commutateur de commande

Country Status (7)

Country Link
DE (1) DE3132233A1 (no)
DK (1) DK155066C (no)
FR (1) FR2489059B1 (no)
GB (1) GB2086158B (no)
HK (1) HK48485A (no)
NO (1) NO152190C (no)
SE (1) SE452832B (no)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4580101A (en) * 1983-04-06 1986-04-01 Multitone Electronics Plc FM demodulators with local oscillator frequency control circuits
GB2137836B (en) * 1983-04-06 1986-07-23 Multitone Electronics Plc Fm demodulators
GB2146876B (en) * 1983-09-14 1987-03-04 Plessey Co Plc Fsk radio receiver
SE470077B (sv) * 1992-03-30 1993-11-01 Ericsson Ge Mobile Communicat Metod och anordning för demodulering av en frekvensmodulerad signal

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1172977A (en) * 1965-11-23 1969-12-03 Plessey Co Ltd Improvements in or relating to Demodulation Systems
US3414826A (en) * 1967-04-03 1968-12-03 Gen Electric Voltage-controlled oscillator
JPS5831065B2 (ja) * 1976-04-09 1983-07-04 日本電気株式会社 Ｆｓｋ復調装置
GB2076238B (en) * 1980-05-16 1983-11-30 Plessey Co Ltd Radio receiver

Also Published As

Publication number Publication date
GB2086158B (en) 1984-05-02
FR2489059A1 (fr) 1982-02-26
NO812770L (no) 1982-02-24
NO152190C (no) 1985-08-14
SE8104972L (sv) 1982-02-24
HK48485A (en) 1985-06-28
DE3132233A1 (de) 1982-06-24
DE3132233C2 (no) 1991-10-02
GB2086158A (en) 1982-05-06
DK155066B (da) 1989-01-30
DK155066C (da) 1989-07-03
NO152190B (no) 1985-05-06
SE452832B (sv) 1987-12-14
DK365181A (da) 1982-02-24

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse