CA2100447A1 - Recepteur stereo combine am-fm - Google Patents

Recepteur stereo combine am-fm

Info

Publication number
CA2100447A1
CA2100447A1 CA 2100447 CA2100447A CA2100447A1 CA 2100447 A1 CA2100447 A1 CA 2100447A1 CA 2100447 CA2100447 CA 2100447 CA 2100447 A CA2100447 A CA 2100447A CA 2100447 A1 CA2100447 A1 CA 2100447A1
Authority
CA
Canada
Prior art keywords
signal
pilot tone
output
receiver
vco
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.)
Abandoned
Application number
CA 2100447
Other languages
English (en)
Inventor
Lawrence Marvin Ecklund
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.)
Motorola Solutions Inc
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2100447A1 publication Critical patent/CA2100447A1/fr
Abandoned legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03DDEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D3/00Demodulation of angle-, frequency- or phase- modulated oscillations
    • H03D3/02Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal
    • H03D3/24Modifications of demodulators to reject or remove amplitude variations by means of locked-in oscillator circuits
    • H03D3/241Modifications of demodulators to reject or remove amplitude variations by means of locked-in oscillator circuits the oscillator being part of a phase locked loop
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03DDEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D5/00Circuits for demodulating amplitude-modulated or angle-modulated oscillations at will
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06Receivers
    • H04B1/16Circuits
    • H04B1/1646Circuits adapted for the reception of stereophonic signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Circuits Of Receivers In General (AREA)
CA 2100447 1991-02-06 1992-02-04 Recepteur stereo combine am-fm Abandoned CA2100447A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US65167891A 1991-02-06 1991-02-06
US651,678 1991-02-06

Publications (1)

Publication Number Publication Date
CA2100447A1 true CA2100447A1 (fr) 1992-08-07

Family

ID=24613774

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2100447 Abandoned CA2100447A1 (fr) 1991-02-06 1992-02-04 Recepteur stereo combine am-fm

Country Status (6)

Country Link
EP (1) EP0570480A4 (fr)
JP (1) JPH05206737A (fr)
AU (1) AU645669B2 (fr)
CA (1) CA2100447A1 (fr)
TW (1) TW198162B (fr)
WO (1) WO1992014299A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8606202B2 (en) 2010-08-24 2013-12-10 Mitsubishi Electric Corporation Radio receiver apparatus

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4302301C2 (de) * 1993-01-28 1996-02-08 Loewe Opta Gmbh Schaltungsanordnung zum Empfang von FM- und nicht FM-modulierten Signalen

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3665507A (en) * 1971-01-04 1972-05-23 Gen Electric Signal processor for reception of amplitude or frequency modulated signals
US4388496A (en) * 1980-08-11 1983-06-14 Trio Kabushiki Kaisha FM/AM Stereo receiver
US4426728A (en) * 1981-08-31 1984-01-17 Kahn Leonard R Multiple system AM stereo receiver and pilot signal detector
US4872207A (en) * 1987-04-15 1989-10-03 Motorola, Inc. Automatic IF tangent lock control circuit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8606202B2 (en) 2010-08-24 2013-12-10 Mitsubishi Electric Corporation Radio receiver apparatus

Also Published As

Publication number Publication date
TW198162B (fr) 1993-01-11
EP0570480A4 (en) 1994-07-06
AU645669B2 (en) 1994-01-20
EP0570480A1 (fr) 1993-11-24
AU1357392A (en) 1992-09-07
JPH05206737A (ja) 1993-08-13
WO1992014299A1 (fr) 1992-08-20

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Legal Events

Date Code Title Description
EEER Examination request
FZDE Dead