CA1095992A - Compatible am stereo broadcast system - Google Patents

Compatible am stereo broadcast system

Info

Publication number
CA1095992A
CA1095992A CA274,979A CA274979A CA1095992A CA 1095992 A CA1095992 A CA 1095992A CA 274979 A CA274979 A CA 274979A CA 1095992 A CA1095992 A CA 1095992A
Authority
CA
Canada
Prior art keywords
signal
carrier wave
combining
intelligence
phase
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.)
Expired
Application number
CA274,979A
Other languages
English (en)
French (fr)
Inventor
Norman W. Parker
Francis H. Hilbert
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
Motorola Inc
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 Motorola Inc filed Critical Motorola Inc
Priority to CA368,525A priority Critical patent/CA1122658A/en
Priority to CA000368526A priority patent/CA1120106A/en
Application granted granted Critical
Publication of CA1095992A publication Critical patent/CA1095992A/en
Expired 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)
  • Selective Calling Equipment (AREA)
CA274,979A 1976-04-07 1977-03-29 Compatible am stereo broadcast system Expired CA1095992A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CA368,525A CA1122658A (en) 1976-04-07 1981-01-14 Compatible am stereo broadcast system
CA000368526A CA1120106A (en) 1976-04-07 1981-01-14 Compatible am stereo broadcast system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US67470376A 1976-04-07 1976-04-07
US674,703 1976-04-07

Publications (1)

Publication Number Publication Date
CA1095992A true CA1095992A (en) 1981-02-17

Family

ID=24707610

Family Applications (1)

Application Number Title Priority Date Filing Date
CA274,979A Expired CA1095992A (en) 1976-04-07 1977-03-29 Compatible am stereo broadcast system

Country Status (18)

Country Link
JP (3) JPS6034299B2 (ko)
AR (1) AR215622A1 (ko)
BR (1) BR7702238A (ko)
CA (1) CA1095992A (ko)
DE (1) DE2715741C2 (ko)
ES (1) ES457535A1 (ko)
FR (1) FR2353182A1 (ko)
GB (1) GB1565405A (ko)
HK (1) HK1281A (ko)
IL (1) IL51777A (ko)
IT (1) IT1078165B (ko)
MX (1) MX144185A (ko)
MY (1) MY8100295A (ko)
NL (1) NL178831C (ko)
NO (1) NO156470C (ko)
PT (1) PT66413B (ko)
SE (1) SE426639B (ko)
ZA (1) ZA772160B (ko)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JPS5829903B2 (ja) * 1977-11-09 1983-06-25 山水電気株式会社 振幅変調ステレオ受信装置
US4172966A (en) * 1978-02-23 1979-10-30 Motorola, Inc. AM stereophonic receiver
US4589127A (en) * 1978-06-05 1986-05-13 Hazeltine Corporation Independent sideband AM multiphonic system
US4220818A (en) * 1979-05-21 1980-09-02 Kahn Leonard R AM Stereo transmitter
JPS6029251Y2 (ja) * 1979-11-29 1985-09-04 ソニー株式会社 Ａｍステレオ受信機
US4371747A (en) * 1980-03-24 1983-02-01 Motorola, Inc. AM Stereophonic decoder

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1271952A (fr) * 1958-11-14 1961-09-22 Procédé et dispositif de télétransmission par ondes porteuses
US3007005A (en) * 1959-02-12 1961-10-31 Philco Corp Transmitter for stereophonic information signals
FR1250343A (fr) * 1959-04-08 1961-01-06 Philco Corp Circuit de réglage silencieux pour récepteurs de signaux stéréophoniques
US3068475A (en) * 1959-10-07 1962-12-11 Rca Corp Stereophonic sound signalling system
US3067293A (en) * 1959-11-19 1962-12-04 Philco Corp Single channel stereophonic broad-casting system
FR1279867A (fr) * 1960-02-11 1961-12-22 Procédé et installation pour la transmission et la réception stéréophonique
US3218393A (en) * 1960-02-11 1965-11-16 Leonard R Kahn Compatible stereophonic transmission and reception systems, and methods and components characterizing same

Also Published As

Publication number Publication date
SE426639B (sv) 1983-01-31
FR2353182A1 (fr) 1977-12-23
JPS6237580B2 (ko) 1987-08-13
NL7703912A (nl) 1977-10-11
MX144185A (es) 1981-09-09
BR7702238A (pt) 1978-01-17
ZA772160B (en) 1978-03-29
DE2715741A1 (de) 1977-10-13
NL178831B (nl) 1985-12-16
IL51777A0 (en) 1977-05-31
FR2353182B1 (ko) 1984-10-05
HK1281A (en) 1981-01-23
SE7703666L (sv) 1977-10-08
NL178831C (nl) 1986-05-16
JPS6034299B2 (ja) 1985-08-08
NO156470B (no) 1987-06-15
PT66413B (en) 1978-09-15
AR215622A1 (es) 1979-10-31
GB1565405A (en) 1980-04-23
JPS58184841A (ja) 1983-10-28
NO156470C (no) 1987-09-23
ES457535A1 (es) 1978-03-01
NO771139L (no) 1977-10-10
MY8100295A (en) 1981-12-31
DE2715741C2 (de) 1986-09-11
IL51777A (en) 1978-12-17
IT1078165B (it) 1985-05-08
JPS58184842A (ja) 1983-10-28
JPS52141502A (en) 1977-11-25
JPS6256705B2 (ko) 1987-11-26
PT66413A (en) 1977-05-01

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Legal Events

Date Code Title Description
MKEX Expiry