DK282086A - Fremgangsmaade og kredsloebsanordning til omsaetning af frekvensmodulerede signaler over mindst en mellemfrekvens til lavfrekvenssignaler - Google Patents

Fremgangsmaade og kredsloebsanordning til omsaetning af frekvensmodulerede signaler over mindst en mellemfrekvens til lavfrekvenssignaler Download PDF

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Publication number
DK282086A
DK282086A DK282086A DK282086A DK282086A DK 282086 A DK282086 A DK 282086A DK 282086 A DK282086 A DK 282086A DK 282086 A DK282086 A DK 282086A DK 282086 A DK282086 A DK 282086A
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DK
Denmark
Prior art keywords
interference
procedure
transmission
circuit device
signals
Prior art date
Application number
DK282086A
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English (en)
Other versions
DK282086D0 (da
Inventor
Jens Hansen
Original Assignee
Hansen Elektronic & Co
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 Hansen Elektronic & Co filed Critical Hansen Elektronic & Co
Publication of DK282086D0 publication Critical patent/DK282086D0/da
Publication of DK282086A publication Critical patent/DK282086A/da

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Classifications

    • 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
    • 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
    • H03D3/005—Arrangements for reducing frequency deviation, e.g. by negative frequency feedback wherein the demodulated signal is used for controlling a bandpass filter

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transmitters (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Superheterodyne Receivers (AREA)
DK282086A 1984-10-16 1986-06-16 Fremgangsmaade og kredsloebsanordning til omsaetning af frekvensmodulerede signaler over mindst en mellemfrekvens til lavfrekvenssignaler DK282086A (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19843438286 DE3438286A1 (de) 1984-10-16 1984-10-16 Verfahren und schaltungsanordnung zum umsetzen frequenzmodulierter signale ueber mindestens eine zwischenfrequenz in niederfrequenzsignale
PCT/DE1985/000399 WO1986002505A1 (fr) 1984-10-16 1985-10-11 Procede et arrangement de circuit pour convertir en signaux a basse frequence des signaux a modulation de frequence par au moins une frequence intermediaire

Publications (2)

Publication Number Publication Date
DK282086D0 DK282086D0 (da) 1986-06-16
DK282086A true DK282086A (da) 1986-06-16

Family

ID=6248256

Family Applications (1)

Application Number Title Priority Date Filing Date
DK282086A DK282086A (da) 1984-10-16 1986-06-16 Fremgangsmaade og kredsloebsanordning til omsaetning af frekvensmodulerede signaler over mindst en mellemfrekvens til lavfrekvenssignaler

Country Status (9)

Country Link
US (1) US4903332A (da)
EP (1) EP0198862B1 (da)
JP (1) JPS62500556A (da)
KR (1) KR970007877B1 (da)
AU (1) AU4962885A (da)
DE (2) DE3438286A1 (da)
DK (1) DK282086A (da)
HU (1) HUT40861A (da)
WO (1) WO1986002505A1 (da)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63232507A (ja) * 1987-03-19 1988-09-28 Fujitsu Ltd 無線受信方式
DE3724604A1 (de) * 1987-04-15 1988-12-01 H U C Elektronik Gmbh Anordnung zum filtern eines fm-ukw-empfangssignals
DE3818750A1 (de) * 1988-05-30 1989-12-14 H U C Elektronik Gmbh Fm-empfangsteil
DE3818751A1 (de) * 1988-05-30 1989-12-07 H U C Elektronik Gmbh Fm-empfangsteil
DE3818749A1 (de) * 1988-05-30 1989-12-21 H U C Elektronik Gmbh Fm-empfangsteil
DE3818748A1 (de) * 1988-05-30 1989-12-21 H U C Elektronik Gmbh Fm-empfangsteil
DE3818752A1 (de) * 1988-05-30 1989-12-07 H U C Elektronik Gmbh Fm-empfangsteil
DE3818753A1 (de) * 1988-05-30 1989-12-21 H U C Elektronik Gmbh Fm-empfangsteil
US5109544A (en) * 1990-11-05 1992-04-28 Motorola, Inc. Paging receiver with automatic frequency control
JPH04299610A (ja) * 1991-03-27 1992-10-22 Rohm Co Ltd フィルタ装置
JP2710877B2 (ja) * 1991-06-28 1998-02-10 株式会社ケンウッド Ｆｍ受信機
TW228043B (da) * 1992-06-26 1994-08-11 Philips Electronics Nv
DE4332767C2 (de) * 1993-09-25 1997-04-24 Telefunken Microelectron Verfahren zur Steuerung eines FM-Empfängers mit nachführbarem ZF-Filter und Schaltungsanordnung zur Dürchführung des Verfahrens
US5757864A (en) * 1995-08-17 1998-05-26 Rockwell Semiconductor Systems, Inc. Receiver with filters offset correction
GB2335809B (en) * 1998-03-24 2001-09-12 Ericsson Telefon Ab L M Demodulator circuits
GB2335807B (en) 1998-03-24 2001-12-12 Ericsson Telefon Ab L M Demodulator circuits
EP1208652B1 (en) * 2000-02-04 2004-03-31 Philips Electronics N.V. Radio fm receiver
DE10142019A1 (de) * 2001-08-28 2003-03-20 Philips Corp Intellectual Pty Schaltungsanordnung zur Demodulation von Signalen
CN100525406C (zh) * 2004-05-19 2009-08-05 汤姆森特许公司 用于多种广播标准信号接收器的滤波器
US8160526B2 (en) * 2004-08-13 2012-04-17 Thomson Licensing Filter configuration for a receiver of multiple broadcast standard signals

Family Cites Families (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL67099C (da) * 1940-06-29
US2262945A (en) * 1941-04-12 1941-11-18 Bell Telephone Labor Inc Frequency modulation receiver
US3150323A (en) * 1958-02-26 1964-09-22 Gen Precision Inc Coincident frequency tracker in which oscillation generator generates two distinct frequencies alternately
US3329900A (en) * 1963-11-05 1967-07-04 Trw Inc Phase-stable receiver employing a phase-modulated injected reference
US3428900A (en) * 1965-11-26 1969-02-18 Rca Corp Distributed feedback frequency compression in frequency modulation reception
DE1541705C3 (de) * 1966-12-16 1974-10-17 Telefunken Patentverwertungsgesellschaft Mbh, 7900 Ulm Anordnung für einen automatischen, elektronisch geregelten Laufzeitausgleich in Übertragungssystemen mit Frequenzmodulation
DE1766622B1 (de) * 1967-07-07 1971-10-21 Fujitsu Ltd Frequenzvielfachempfaenger fuer differential phasenmodulierte signale
US3614627A (en) * 1968-10-15 1971-10-19 Data Control Systems Inc Universal demodulation system
US3626301A (en) * 1970-05-21 1971-12-07 Trw Inc Band-pass phase-lock receiver
JPS4864862A (da) * 1971-12-08 1973-09-07
DE2333851A1 (de) * 1973-07-03 1975-01-23 Standard Elektrik Lorenz Ag Verfahren und anordnungen zur selbsttaetigen nachregelung der mit einer abstimmanordnunggeingestellten oszillatorfrequenz eines ueberlagerungsempfangsteils einer bild und/oder tonwiedergabeanordnung
DE2358288A1 (de) * 1973-11-22 1975-06-05 Standard Elektrik Lorenz Ag Empfaenger fuer frequenzmodulierte hf-signale
DE2432325B2 (de) * 1974-07-05 1976-12-16 Siemens AG, 1000 Berlin und 8000 München Werkzeugvoreinstellgeraet fuer drehautomaten
US3936753A (en) * 1974-07-12 1976-02-03 Martin Marietta Corporation Digital automatic frequency control circuit
JPS5513657Y2 (da) * 1975-06-24 1980-03-27
JPS5945273B2 (ja) * 1976-09-16 1984-11-05 ソニー株式会社 テレビジヨン受像機
US4091410A (en) * 1976-11-08 1978-05-23 Zenith Radio Corporation Frequency and phase lock loop synchronous detecting system having a pair of phase lock conditions
JPS5563118A (en) * 1978-11-02 1980-05-13 Sony Corp Aft circuit
US4293818A (en) * 1979-01-22 1981-10-06 International Telephone And Telegraph Corporation Frequency modulation threshold extension demodulator utilizing frequency compression feedback with frequency drift correction
DE3048263A1 (de) * 1980-12-20 1982-07-29 Blaupunkt-Werke Gmbh, 3200 Hildesheim Rundfunkempfangsgeraet
DE3121088C2 (de) * 1981-05-27 1986-12-04 Blaupunkt-Werke Gmbh, 3200 Hildesheim UKW-Empfänger
DE3137843A1 (de) * 1981-09-23 1983-03-31 Robert Bosch Gmbh, 7000 Stuttgart Filter- und demodulationsschaltung
DE3147493C2 (de) * 1981-12-01 1986-04-03 Robert Bosch Gmbh, 7000 Stuttgart Filter- und Demodulationsschaltung
DE3208758A1 (de) * 1982-03-11 1983-09-22 Philips Patentverwaltung Gmbh, 2000 Hamburg Schaltungsanordnung fuer einen fm-empfaenger
FR2564663B1 (fr) * 1984-05-15 1986-09-19 Radiotechnique Demodulateur de frequence a largeur de bande ajustable
JPS6172418A (ja) * 1984-09-17 1986-04-14 Alps Electric Co Ltd 衛星放送用受信機
JPS61171207A (ja) * 1985-01-25 1986-08-01 Nec Corp 受信機
US4653117A (en) * 1985-11-18 1987-03-24 Motorola, Inc. Dual conversion FM receiver using phase locked direct conversion IF
US4761829A (en) * 1985-11-27 1988-08-02 Motorola Inc. Adaptive signal strength and/or ambient noise driven audio shaping system

Also Published As

Publication number Publication date
JPS62500556A (ja) 1987-03-05
DK282086D0 (da) 1986-06-16
AU4962885A (en) 1986-05-02
KR880700533A (ko) 1988-03-15
WO1986002505A1 (fr) 1986-04-24
EP0198862B1 (de) 1992-01-15
DE3585232D1 (de) 1992-02-27
EP0198862A1 (de) 1986-10-29
HUT40861A (en) 1987-02-27
KR970007877B1 (ko) 1997-05-17
US4903332A (en) 1990-02-20
DE3438286A1 (de) 1986-04-17

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Legal Events

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AHB Application shelved due to non-payment