BR8202567A - Aparelho para detectar sinal de radio estereo processo para indicar presenca de sinal estereo processo de comunicacao de sinais estereo aparelho para transmitir sinal transportador e sistema para transmitir informacao particular - Google Patents

Aparelho para detectar sinal de radio estereo processo para indicar presenca de sinal estereo processo de comunicacao de sinais estereo aparelho para transmitir sinal transportador e sistema para transmitir informacao particular

Info

Publication number
BR8202567A
BR8202567A BR8202567A BR8202567A BR8202567A BR 8202567 A BR8202567 A BR 8202567A BR 8202567 A BR8202567 A BR 8202567A BR 8202567 A BR8202567 A BR 8202567A BR 8202567 A BR8202567 A BR 8202567A
Authority
BR
Brazil
Prior art keywords
signal
stereo
transmit
stereo process
signs
Prior art date
Application number
BR8202567A
Other languages
English (en)
Inventor
Bernard D Loughlin
Original Assignee
Hazeltine 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 Hazeltine Corp filed Critical Hazeltine Corp
Publication of BR8202567A publication Critical patent/BR8202567A/pt

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)
BR8202567A 1981-05-04 1982-05-04 Aparelho para detectar sinal de radio estereo processo para indicar presenca de sinal estereo processo de comunicacao de sinais estereo aparelho para transmitir sinal transportador e sistema para transmitir informacao particular BR8202567A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/260,645 US4420658A (en) 1981-05-04 1981-05-04 Multiple tone signal system

Publications (1)

Publication Number Publication Date
BR8202567A true BR8202567A (pt) 1983-04-19

Family

ID=22990030

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8202567A BR8202567A (pt) 1981-05-04 1982-05-04 Aparelho para detectar sinal de radio estereo processo para indicar presenca de sinal estereo processo de comunicacao de sinais estereo aparelho para transmitir sinal transportador e sistema para transmitir informacao particular

Country Status (13)

Country Link
US (1) US4420658A (pt)
JP (1) JPS57185742A (pt)
KR (1) KR880000649B1 (pt)
AU (1) AU550682B2 (pt)
BR (1) BR8202567A (pt)
CA (1) CA1189908A (pt)
DE (1) DE3216088A1 (pt)
FR (1) FR2505106B1 (pt)
GB (1) GB2098033B (pt)
MX (1) MX151465A (pt)
NL (1) NL8201816A (pt)
NZ (1) NZ200235A (pt)
ZA (1) ZA822584B (pt)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US4818989A (en) * 1984-03-27 1989-04-04 Rockwell International Corporation Selective calling decoder
US4679238A (en) * 1985-04-25 1987-07-07 Blaupunkt Werke Gmbh Method and system for signalling additional information by AM medium wave broadcasting
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
JPH0336242U (pt) * 1989-08-16 1991-04-09
KR920005164B1 (ko) * 1989-10-05 1992-06-27 삼성전자 주식회사 스테레오 모우드 절환시 오동작 방지방법
US8144878B2 (en) 2006-03-06 2012-03-27 Mediatek Inc. FM receiver and pilot detector thereof, and method for determining a type of a processed signal
KR20190037501A (ko) 2017-09-29 2019-04-08 주식회사 이노핫 온수 배관 장치

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3218393A (en) * 1960-02-11 1965-11-16 Leonard R Kahn Compatible stereophonic transmission and reception systems, and methods and components characterizing same
US3384824A (en) * 1965-12-14 1968-05-21 Bell Telephone Labor Inc Phase quadrature transmission system with receiver detectors controlled in response to presence of pilot waves appearing as crosstalk
US3518556A (en) * 1966-08-31 1970-06-30 Itt Multipulse detector for harmonically related signals
US3679832A (en) * 1971-03-23 1972-07-25 Bell Telephone Labor Inc Three-channel fm stereo transmission
AU456517B2 (en) * 1971-12-23 1974-12-04 Matsushita Electric Industrial Co., Ltd Four-channel stereo receiver
US3908090A (en) * 1972-05-10 1975-09-23 Leonard R Kahn Compatible AM stereophonic transmission system
US3944749A (en) * 1972-05-10 1976-03-16 Kahn Leonard R Compatible AM stereophonic receivers involving sideband separation at IF frequency
DE2408947C3 (de) * 1974-02-25 1979-02-22 Blaupunkt-Werke Gmbh, 3200 Hildesheim Schaltungsanordnung zur Frequenzerkennung auf dem Gebiet des Verkehrsfunkempfangs
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
US4018994A (en) * 1974-07-10 1977-04-19 Kahn Leonard R Compatible AM stereophonic receivers
JPS5113208U (pt) * 1974-07-17 1976-01-30
DE2460983A1 (de) * 1974-12-21 1976-07-01 Standard Elektrik Lorenz Ag Rundfunkempfangsgeraet
US4087628A (en) * 1975-06-27 1978-05-02 E-Systems, Inc. Carrier lock detector
US4165486A (en) * 1976-12-16 1979-08-21 Alps Electric Co., Ltd. Single sideband transceiver
US4344038A (en) * 1980-05-27 1982-08-10 The Magnavox Company Low frequency tone detector

Also Published As

Publication number Publication date
NZ200235A (en) 1985-09-13
AU8241482A (en) 1982-11-11
KR840000153A (ko) 1984-01-30
AU550682B2 (en) 1986-03-27
JPS57185742A (en) 1982-11-16
CA1189908A (en) 1985-07-02
MX151465A (es) 1984-11-28
KR880000649B1 (ko) 1988-04-19
GB2098033B (en) 1985-08-21
US4420658A (en) 1983-12-13
FR2505106B1 (fr) 1987-02-13
FR2505106A1 (fr) 1982-11-05
JPH0325975B2 (pt) 1991-04-09
GB2098033A (en) 1982-11-10
NL8201816A (nl) 1982-12-01
DE3216088A1 (de) 1982-11-18
DE3216088C2 (pt) 1992-02-13
ZA822584B (en) 1983-03-30

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