FR2471115A1 - Recepteur stereophonique am - Google Patents

Recepteur stereophonique am Download PDF

Info

Publication number
FR2471115A1
FR2471115A1 FR8025374A FR8025374A FR2471115A1 FR 2471115 A1 FR2471115 A1 FR 2471115A1 FR 8025374 A FR8025374 A FR 8025374A FR 8025374 A FR8025374 A FR 8025374A FR 2471115 A1 FR2471115 A1 FR 2471115A1
Authority
FR
France
Prior art keywords
signal
phase
carrier
level
stereo
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
FR8025374A
Other languages
English (en)
French (fr)
Other versions
FR2471115B1 (cg-RX-API-DMAC10.html
Inventor
Morio Numata
Satoshi Yokoya
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.)
Sony Corp
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Publication of FR2471115A1 publication Critical patent/FR2471115A1/fr
Application granted granted Critical
Publication of FR2471115B1 publication Critical patent/FR2471115B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/44—Arrangements characterised by circuits or components specially adapted for broadcast
    • H04H20/46—Arrangements characterised by circuits or components specially adapted for broadcast specially adapted for broadcast systems covered by groups H04H20/53-H04H20/95
    • H04H20/47—Arrangements characterised by circuits or components specially adapted for broadcast specially adapted for broadcast systems covered by groups H04H20/53-H04H20/95 specially adapted for stereophonic broadcast systems
    • H04H20/49—Arrangements characterised by circuits or components specially adapted for broadcast specially adapted for broadcast systems covered by groups H04H20/53-H04H20/95 specially adapted for stereophonic broadcast systems for AM stereophonic broadcast systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Noise Elimination (AREA)
FR8025374A 1979-11-29 1980-11-28 Recepteur stereophonique am Granted FR2471115A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1979165213U JPS6029251Y2 (ja) 1979-11-29 1979-11-29 Ａｍステレオ受信機

Publications (2)

Publication Number Publication Date
FR2471115A1 true FR2471115A1 (fr) 1981-06-12
FR2471115B1 FR2471115B1 (cg-RX-API-DMAC10.html) 1984-12-21

Family

ID=15807990

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8025374A Granted FR2471115A1 (fr) 1979-11-29 1980-11-28 Recepteur stereophonique am

Country Status (8)

Country Link
US (1) US4358638A (cg-RX-API-DMAC10.html)
JP (1) JPS6029251Y2 (cg-RX-API-DMAC10.html)
AU (1) AU531688B2 (cg-RX-API-DMAC10.html)
CA (1) CA1147394A (cg-RX-API-DMAC10.html)
DE (1) DE3045058A1 (cg-RX-API-DMAC10.html)
FR (1) FR2471115A1 (cg-RX-API-DMAC10.html)
GB (1) GB2064277B (cg-RX-API-DMAC10.html)
NL (1) NL8006541A (cg-RX-API-DMAC10.html)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57155852A (en) * 1981-03-20 1982-09-27 Sony Corp Stereo reproducing device
JPS58206250A (ja) * 1982-05-27 1983-12-01 Sony Corp Ａｍステレオ受信機
US4747141A (en) * 1983-10-24 1988-05-24 Kahn Leonard R AM stereo signal decoder
JPS6184933A (ja) * 1984-10-03 1986-04-30 Pioneer Electronic Corp Ａｍステレオ復調装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2715741A1 (de) * 1976-04-07 1977-10-13 Motorola Inc Stereo-uebertragungseinrichtung
US4159396A (en) * 1977-09-27 1979-06-26 Motorola, Inc. AM stereo receiver having signal-controlled corrector
EP0003388A1 (en) * 1978-01-27 1979-08-08 Motorola, Inc. Noise protection circuit for an AM stereo cosine correction factor and method for demodulating the AM stereo signal
US4164623A (en) * 1977-11-17 1979-08-14 Motorola, Inc. AM stereo receiver with improved correction signals

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5822892B2 (ja) * 1974-02-25 1983-05-12 ソニー株式会社 ４ チヤンネルステレオゴウセイシンゴウノ ハンベツカイロ
US4218586A (en) * 1976-04-07 1980-08-19 Motorola, Inc. Compatible AM stereo broadcast system
NL180062C (nl) * 1977-09-27 Motorola Inc Radio-ontvanger.
US4170716A (en) * 1977-10-14 1979-10-09 Motorola, Inc. AM stereo receiver with correction limiting

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2715741A1 (de) * 1976-04-07 1977-10-13 Motorola Inc Stereo-uebertragungseinrichtung
US4159396A (en) * 1977-09-27 1979-06-26 Motorola, Inc. AM stereo receiver having signal-controlled corrector
US4164623A (en) * 1977-11-17 1979-08-14 Motorola, Inc. AM stereo receiver with improved correction signals
EP0003388A1 (en) * 1978-01-27 1979-08-08 Motorola, Inc. Noise protection circuit for an AM stereo cosine correction factor and method for demodulating the AM stereo signal

Also Published As

Publication number Publication date
JPS6029251Y2 (ja) 1985-09-04
CA1147394A (en) 1983-05-31
GB2064277B (en) 1983-10-12
NL8006541A (nl) 1981-07-01
FR2471115B1 (cg-RX-API-DMAC10.html) 1984-12-21
US4358638A (en) 1982-11-09
AU531688B2 (en) 1983-09-01
AU6451180A (en) 1981-06-04
GB2064277A (en) 1981-06-10
JPS5683158U (cg-RX-API-DMAC10.html) 1981-07-04
DE3045058A1 (de) 1981-08-27

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Legal Events

Date Code Title Description
ST Notification of lapse