FR2186787B1 - - Google Patents

Info

Publication number
FR2186787B1
FR2186787B1 FR7319893A FR7319893A FR2186787B1 FR 2186787 B1 FR2186787 B1 FR 2186787B1 FR 7319893 A FR7319893 A FR 7319893A FR 7319893 A FR7319893 A FR 7319893A FR 2186787 B1 FR2186787 B1 FR 2186787B1
Authority
FR
France
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
FR7319893A
Other languages
French (fr)
Other versions
FR2186787A1 (ja
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.)
Nippon Columbia Co Ltd
Original Assignee
Nippon Columbia 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
Priority claimed from JP47053622A external-priority patent/JPS4911102A/ja
Priority claimed from JP47057231A external-priority patent/JPS5228562B2/ja
Priority claimed from JP5723272A external-priority patent/JPS535802B2/ja
Priority claimed from JP47057230A external-priority patent/JPS5228561B2/ja
Priority claimed from JP47059844A external-priority patent/JPS4921102A/ja
Application filed by Nippon Columbia Co Ltd filed Critical Nippon Columbia Co Ltd
Publication of FR2186787A1 publication Critical patent/FR2186787A1/fr
Application granted granted Critical
Publication of FR2186787B1 publication Critical patent/FR2186787B1/fr
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S3/00Systems employing more than two channels, e.g. quadraphonic
    • H04S3/02Systems employing more than two channels, e.g. quadraphonic of the matrix type, i.e. in which input signals are combined algebraically, e.g. after having been phase shifted with respect to each other
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S3/00Systems employing more than two channels, e.g. quadraphonic
    • H04S3/006Systems employing more than two channels, e.g. quadraphonic in which a plurality of audio signals are transformed in a combination of audio signals and modulated signals, e.g. CD-4 systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
FR7319893A 1972-05-30 1973-05-30 Expired FR2186787B1 (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP47053622A JPS4911102A (ja) 1972-05-30 1972-05-30
JP47057231A JPS5228562B2 (ja) 1972-06-08 1972-06-08
JP5723272A JPS535802B2 (ja) 1972-06-08 1972-06-08
JP47057230A JPS5228561B2 (ja) 1972-06-08 1972-06-08
JP47059844A JPS4921102A (ja) 1972-06-15 1972-06-15

Publications (2)

Publication Number Publication Date
FR2186787A1 FR2186787A1 (ja) 1974-01-11
FR2186787B1 true FR2186787B1 (ja) 1977-01-07

Family

ID=27523100

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7319893A Expired FR2186787B1 (ja) 1972-05-30 1973-05-30

Country Status (1)

Country Link
FR (1) FR2186787B1 (ja)

Also Published As

Publication number Publication date
FR2186787A1 (ja) 1974-01-11

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Legal Events

Date Code Title Description
ST Notification of lapse