NZ201177A - Stereophonic broadcast signal receiver:detection of pilot signal indicating modulation mode of broadcast signal - Google Patents

Stereophonic broadcast signal receiver:detection of pilot signal indicating modulation mode of broadcast signal

Info

Publication number
NZ201177A
NZ201177A NZ201177A NZ20117782A NZ201177A NZ 201177 A NZ201177 A NZ 201177A NZ 201177 A NZ201177 A NZ 201177A NZ 20117782 A NZ20117782 A NZ 20117782A NZ 201177 A NZ201177 A NZ 201177A
Authority
NZ
New Zealand
Prior art keywords
signal
signals
receiver
stereo
pilot
Prior art date
Application number
NZ201177A
Other languages
English (en)
Inventor
L R 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 NZ201177A publication Critical patent/NZ201177A/en

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)
NZ201177A 1981-08-31 1982-07-06 Stereophonic broadcast signal receiver:detection of pilot signal indicating modulation mode of broadcast signal NZ201177A (en)

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 (1)

Publication Number Publication Date
NZ201177A true NZ201177A (en) 1985-08-16

Family

ID=23149612

Family Applications (1)

Application Number Title Priority Date Filing Date
NZ201177A NZ201177A (en) 1981-08-31 1982-07-06 Stereophonic broadcast signal receiver:detection of pilot signal indicating modulation mode of broadcast signal

Country Status (13)

Country Link
US (1) US4426728A (US07655688-20100202-C00086.png)
JP (1) JPS5846739A (US07655688-20100202-C00086.png)
AU (1) AU545881B2 (US07655688-20100202-C00086.png)
BR (1) BR8205035A (US07655688-20100202-C00086.png)
CA (1) CA1167110A (US07655688-20100202-C00086.png)
DE (1) DE3231123A1 (US07655688-20100202-C00086.png)
FR (1) FR2512295B1 (US07655688-20100202-C00086.png)
GB (1) GB2105558B (US07655688-20100202-C00086.png)
IT (1) IT1156503B (US07655688-20100202-C00086.png)
MX (1) MX158304A (US07655688-20100202-C00086.png)
NL (1) NL191044C (US07655688-20100202-C00086.png)
NZ (1) NZ201177A (US07655688-20100202-C00086.png)
ZA (1) ZA825535B (US07655688-20100202-C00086.png)

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
DE3786922T2 (de) * 1987-12-04 1994-02-24 Hazeltine Corp Vorrichtung zur Verarbeitung von Stereosignalen und universale AM-Stereoempfänger mit einer solchen Einrichtung.
JPH0392598U (US07655688-20100202-C00086.png) * 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
AU5154093A (en) * 1992-10-13 1994-05-09 Gilbarco Inc. Apparatus and method for encoding/recovering multimedia control signals in an audio/video program
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 (US07655688-20100202-C00086.png) * 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
CA997278A (en) * 1972-05-30 1976-09-21 Keiichiro Ogura 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 (US07655688-20100202-C00086.png) * 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
NL8203292A (nl) 1983-03-16
CA1167110A (en) 1984-05-08
IT1156503B (it) 1987-02-04
JPS6243627B2 (US07655688-20100202-C00086.png) 1987-09-16
GB2105558B (en) 1985-07-31
IT8268059A0 (it) 1982-08-31
US4426728A (en) 1984-01-17
DE3231123A1 (de) 1983-03-10
ZA825535B (en) 1983-07-27
NL191044C (nl) 1994-12-16
MX158304A (es) 1989-01-20
JPS5846739A (ja) 1983-03-18
AU8578582A (en) 1983-03-10
FR2512295B1 (fr) 1987-02-13
GB2105558A (en) 1983-03-23
FR2512295A1 (fr) 1983-03-04
DE3231123C2 (US07655688-20100202-C00086.png) 1992-06-11
NL191044B (nl) 1994-07-18
AU545881B2 (en) 1985-08-01
BR8205035A (pt) 1983-08-09

Similar Documents

Publication Publication Date Title
US4426728A (en) Multiple system AM stereo receiver and pilot signal detector
CA1122278A (en) Apparatus and method for the identification of specially encoded fm stereophonic broadcasts
US5507024A (en) FM data-system radio receiver
US4450589A (en) FM Receiver for reception of special announcements and general programs
US4817151A (en) Selective decoder for compatible FM stereophonic system utilizing companding of difference signal
US3980832A (en) Decoder for four channel FM stereophonic composite signal having an Indicating signal wherein the indicating signal is detected and used in the decoding of the four channel composite signal
US4561115A (en) Decoder for traffic information regional tone signals
US4476581A (en) FM Receiver with subcarrier decoding circuit
USRE33381E (en) Multiple system AM stereo receiver and pilot signal detector
US4489431A (en) Signal interference protection circuit for AM stereo receiver
KR880000649B1 (ko) 다중톤(Tone) 파이롯트 신호 시스템
EP0374996A1 (en) FM-receiver
US4479234A (en) AM Stereophonic demodulating circuit
CA1176312A (en) Tone detector circuit
KR880000960B1 (ko) 다중시스템 am 스테레오 수신기 및 파일롯트신호 검출기
US5675614A (en) Digital squelch circuit
US4872207A (en) Automatic IF tangent lock control circuit
US4504966A (en) Stereo inhibitor for AM stereo receiver
US5046129A (en) Reducing phase error in received FM multiplex signal
JPS6216045Y2 (US07655688-20100202-C00086.png)
JP2506804B2 (ja) Ｒｄｓ受信機におけるデ−タ制御装置
JP3124119B2 (ja) 受信機
JPS6029260Y2 (ja) 音声多重放送の制御信号の検出回路
JPS60832B2 (ja) 音声多重放送受信機における制御信号弁別装置
EP1259041A1 (en) Method and apparatus to determine a modulation type of a short wave broadcast signal