JPS5273609A - Communication system - Google Patents

Communication system

Info

Publication number
JPS5273609A
JPS5273609A JP15031375A JP15031375A JPS5273609A JP S5273609 A JPS5273609 A JP S5273609A JP 15031375 A JP15031375 A JP 15031375A JP 15031375 A JP15031375 A JP 15031375A JP S5273609 A JPS5273609 A JP S5273609A
Authority
JP
Japan
Prior art keywords
aural
communication system
sub
carrier
signal
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
JP15031375A
Other languages
Japanese (ja)
Other versions
JPS5635377B2 (en
Inventor
Koji Nakabe
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP15031375A priority Critical patent/JPS5273609A/en
Publication of JPS5273609A publication Critical patent/JPS5273609A/en
Publication of JPS5635377B2 publication Critical patent/JPS5635377B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/62—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for providing a predistortion of the signal in the transmitter and corresponding correction in the receiver, e.g. for improving the signal/noise ratio
    • H04B1/64—Volume compression or expansion arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Amplitude Modulation (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)

Abstract

PURPOSE:The frequency accuracy of reception side can be eased through compression of aural level by detection of aural envelope line as well as through FM modulation of sub-carrier, and also by having SSB transmission of compound signal of both aural signal and sub-carrier.
JP15031375A 1975-12-16 1975-12-16 Communication system Granted JPS5273609A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15031375A JPS5273609A (en) 1975-12-16 1975-12-16 Communication system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15031375A JPS5273609A (en) 1975-12-16 1975-12-16 Communication system

Publications (2)

Publication Number Publication Date
JPS5273609A true JPS5273609A (en) 1977-06-20
JPS5635377B2 JPS5635377B2 (en) 1981-08-17

Family

ID=15494278

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15031375A Granted JPS5273609A (en) 1975-12-16 1975-12-16 Communication system

Country Status (1)

Country Link
JP (1) JPS5273609A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63187933A (en) * 1987-01-30 1988-08-03 Matsushita Electric Ind Co Ltd On vehicle audio device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63187933A (en) * 1987-01-30 1988-08-03 Matsushita Electric Ind Co Ltd On vehicle audio device

Also Published As

Publication number Publication date
JPS5635377B2 (en) 1981-08-17

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