IL37872A - Quadruphonic reproducing system - Google Patents

Quadruphonic reproducing system

Info

Publication number
IL37872A
IL37872A IL37872A IL3787271A IL37872A IL 37872 A IL37872 A IL 37872A IL 37872 A IL37872 A IL 37872A IL 3787271 A IL3787271 A IL 3787271A IL 37872 A IL37872 A IL 37872A
Authority
IL
Israel
Prior art keywords
signals
composite
networks
operative
signal
Prior art date
Application number
IL37872A
Other languages
English (en)
Other versions
IL37872A0 (en
Original Assignee
Columbia Broadcasting Syst 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 Columbia Broadcasting Syst Inc filed Critical Columbia Broadcasting Syst Inc
Publication of IL37872A0 publication Critical patent/IL37872A0/xx
Publication of IL37872A publication Critical patent/IL37872A/en

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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Stereophonic System (AREA)
IL37872A 1970-10-19 1971-10-07 Quadruphonic reproducing system IL37872A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US8185870A 1970-10-19 1970-10-19

Publications (2)

Publication Number Publication Date
IL37872A0 IL37872A0 (en) 1971-12-29
IL37872A true IL37872A (en) 1973-11-28

Family

ID=22166858

Family Applications (1)

Application Number Title Priority Date Filing Date
IL37872A IL37872A (en) 1970-10-19 1971-10-07 Quadruphonic reproducing system

Country Status (6)

Country Link
BE (1) BE772298A (fr)
CA (1) CA974457A (fr)
FR (1) FR2109754A5 (fr)
GB (1) GB1360411A (fr)
IL (1) IL37872A (fr)
NL (1) NL7108370A (fr)

Also Published As

Publication number Publication date
DE2139098B2 (de) 1976-11-25
GB1360411A (en) 1974-07-17
FR2109754A5 (fr) 1972-05-26
CA974457A (en) 1975-09-16
BE772298A (fr) 1972-03-17
AU3214771A (en) 1973-02-15
NL7108370A (fr) 1972-04-21
DE2139098A1 (de) 1972-04-20
IL37872A0 (en) 1971-12-29

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