IT1156503B - Apparecchio ricevitore stereofonico a modulazione d'ampiezza a sistema multiplo - Google Patents

Apparecchio ricevitore stereofonico a modulazione d'ampiezza a sistema multiplo

Info

Publication number
IT1156503B
IT1156503B IT68059/82A IT6805982A IT1156503B IT 1156503 B IT1156503 B IT 1156503B IT 68059/82 A IT68059/82 A IT 68059/82A IT 6805982 A IT6805982 A IT 6805982A IT 1156503 B IT1156503 B IT 1156503B
Authority
IT
Italy
Prior art keywords
system amplitude
stereophone receiver
stereophone
receiver
amplitude
Prior art date
Application number
IT68059/82A
Other languages
English (en)
Other versions
IT8268059A0 (it
Inventor
Leonard Richard Kahn
Original Assignee
Kahn Leonard R
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 Kahn Leonard R filed Critical Kahn Leonard R
Publication of IT8268059A0 publication Critical patent/IT8268059A0/it
Application granted granted Critical
Publication of IT1156503B publication Critical patent/IT1156503B/it

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)
  • Circuits Of Receivers In General (AREA)
IT68059/82A 1981-08-31 1982-08-31 Apparecchio ricevitore stereofonico a modulazione d'ampiezza a sistema multiplo IT1156503B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/298,230 US4426728A (en) 1981-08-31 1981-08-31 Multiple system AM stereo receiver and pilot signal detector

Publications (2)

Publication Number Publication Date
IT8268059A0 IT8268059A0 (it) 1982-08-31
IT1156503B true IT1156503B (it) 1987-02-04

Family

ID=23149612

Family Applications (1)

Application Number Title Priority Date Filing Date
IT68059/82A IT1156503B (it) 1981-08-31 1982-08-31 Apparecchio ricevitore stereofonico a modulazione d'ampiezza a sistema multiplo

Country Status (13)

Country Link
US (1) US4426728A (it)
JP (1) JPS5846739A (it)
AU (1) AU545881B2 (it)
BR (1) BR8205035A (it)
CA (1) CA1167110A (it)
DE (1) DE3231123A1 (it)
FR (1) FR2512295B1 (it)
GB (1) GB2105558B (it)
IT (1) IT1156503B (it)
MX (1) MX158304A (it)
NL (1) NL191044C (it)
NZ (1) NZ201177A (it)
ZA (1) ZA825535B (it)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58206250A (ja) * 1982-05-27 1983-12-01 Sony Corp Ａｍステレオ受信機
JPS59140739A (ja) * 1983-01-31 1984-08-13 Sony Corp Ａｍステレオ受信機のパイロット信号検出回路
JPS60213143A (ja) * 1984-04-06 1985-10-25 Clarion Co Ltd Ａｍステレオ方式自動判定回路
JPS6159932A (ja) * 1984-08-31 1986-03-27 Fujitsu Ten Ltd 振幅変調ステレオ放送方式識別装置
JPS6162248A (ja) * 1984-09-04 1986-03-31 Fujitsu Ten Ltd 振幅変調ステレオ放送方式識別装置
JPS6163122A (ja) * 1984-09-05 1986-04-01 Fujitsu Ten Ltd 振幅変調ステレオ放送方式識別装置
KR900005891B1 (ko) * 1985-02-12 1990-08-13 산요덴기 가부시기가이샤 Am스테레오 수신기
US4641341A (en) * 1985-08-28 1987-02-03 Kahn Leonard R Automatic multi-system AM stereo receiver using existing single-system AM stereo decoder IC
US4653095A (en) * 1986-02-06 1987-03-24 Kahn Leonard R AM stereo receivers having platform motion protection
US4887297A (en) * 1986-12-01 1989-12-12 Hazeltine Corporation Apparatus for processing stereo signals and universal AM stereo receivers incorporating such apparatus
EP0318617B1 (en) * 1987-12-04 1993-08-04 Hazeltine Corporation Apparatus for processing stereo signals and universal am stereo receivers incorporating such apparatus
JPH0392598U (it) * 1990-01-09 1991-09-20
CA2100447A1 (en) * 1991-02-06 1992-08-07 Lawrence Marvin Ecklund Am-fm combined stereo receiver
US5239699A (en) * 1991-02-06 1993-08-24 Motorola, Inc. Am-fm combined stereo receiver
US5543849A (en) * 1992-10-13 1996-08-06 Gilbarco Inc. Synchronization of prerecorded audio/video signals with multi-media controllers
DE4340012B4 (de) * 1993-11-24 2004-04-22 Blaupunkt-Werke Gmbh Demodulator
US5784466A (en) * 1997-01-16 1998-07-21 Ford Motor Company Co-channel interference detector
US6078896A (en) * 1997-11-05 2000-06-20 Marconi Commerce Systems Inc. Video identification for forecourt advertising
JP3645208B2 (ja) * 2001-10-24 2005-05-11 日本放送協会 中波ステレオ放送受信回路

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2521752A (en) 1948-01-19 1950-09-12 Gen Motors Corp Radio station selector
US3218393A (en) * 1960-02-11 1965-11-16 Leonard R Kahn Compatible stereophonic transmission and reception systems, and methods and components characterizing same
US3555435A (en) 1968-11-21 1971-01-12 Robert E Vosteen Multifrequency signal detector
JPS4822644B1 (it) * 1969-09-13 1973-07-07
US3798376A (en) * 1969-12-29 1974-03-19 Rca Corp Multiplex decoding system
US3908090A (en) * 1972-05-10 1975-09-23 Leonard R Kahn Compatible AM stereophonic transmission system
GB1416631A (en) * 1972-05-30 1975-12-03 Nippon Columbia Discrete 4-channel stereo recording and/or reproducing system
US4109197A (en) 1973-03-15 1978-08-22 Westinghouse Electric Corp. Prf detection system and method
DE2313793A1 (de) * 1973-03-20 1974-09-26 Braun Ag Selektion von dekodierungsanordnungen
DE2408947C3 (de) 1974-02-25 1979-02-22 Blaupunkt-Werke Gmbh, 3200 Hildesheim Schaltungsanordnung zur Frequenzerkennung auf dem Gebiet des Verkehrsfunkempfangs
US4018994A (en) * 1974-07-10 1977-04-19 Kahn Leonard R Compatible AM stereophonic receivers
JPS5113208U (it) * 1974-07-17 1976-01-30
US4109239A (en) 1975-09-30 1978-08-22 Scientific-Atlanta, Inc. Radio frequency alarm system including transmitting, coding and decoding circuitry
US4232189A (en) * 1977-08-31 1980-11-04 Harris Corporation AM Stereo receivers
US4199761A (en) 1978-08-02 1980-04-22 Westinghouse Electric Corp. Multichannel radio communication system for automated power line distribution networks
JPS5830793B2 (ja) 1978-10-04 1983-07-01 株式会社日立製作所 多周波信号受信方式
US4227255A (en) 1979-04-11 1980-10-07 Telcom, Inc. Signal classifier
US4344038A (en) 1980-05-27 1982-08-10 The Magnavox Company Low frequency tone detector

Also Published As

Publication number Publication date
DE3231123C2 (it) 1992-06-11
IT8268059A0 (it) 1982-08-31
NZ201177A (en) 1985-08-16
AU545881B2 (en) 1985-08-01
GB2105558A (en) 1983-03-23
JPS6243627B2 (it) 1987-09-16
JPS5846739A (ja) 1983-03-18
MX158304A (es) 1989-01-20
NL191044B (nl) 1994-07-18
NL191044C (nl) 1994-12-16
AU8578582A (en) 1983-03-10
BR8205035A (pt) 1983-08-09
US4426728A (en) 1984-01-17
CA1167110A (en) 1984-05-08
DE3231123A1 (de) 1983-03-10
FR2512295B1 (fr) 1987-02-13
FR2512295A1 (fr) 1983-03-04
ZA825535B (en) 1983-07-27
GB2105558B (en) 1985-07-31
NL8203292A (nl) 1983-03-16

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19940824