CA974457A - Quadruphonic reproducing system - Google Patents

Quadruphonic reproducing system

Info

Publication number
CA974457A
CA974457A CA119,392A CA119392A CA974457A CA 974457 A CA974457 A CA 974457A CA 119392 A CA119392 A CA 119392A CA 974457 A CA974457 A CA 974457A
Authority
CA
Canada
Prior art keywords
quadruphonic
reproducing system
reproducing
quadruphonic reproducing
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
CA119,392A
Other languages
English (en)
Other versions
CA119392S (en
Inventor
Benjamin B. Bauer
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.)
CBS Broadcasting Inc
Original Assignee
CBS 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 CBS Inc filed Critical CBS Inc
Application granted granted Critical
Publication of CA974457A publication Critical patent/CA974457A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/02—Systems 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)
CA119,392A 1970-10-19 1971-07-29 Quadruphonic reproducing system Expired CA974457A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
CA974457A true CA974457A (en) 1975-09-16

Family

ID=22166858

Family Applications (1)

Application Number Title Priority Date Filing Date
CA119,392A Expired CA974457A (en) 1970-10-19 1971-07-29 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
BE772298A (fr) 1972-03-17
AU3214771A (en) 1973-02-15
NL7108370A (fr) 1972-04-21
DE2139098A1 (de) 1972-04-20
IL37872A (en) 1973-11-28
IL37872A0 (en) 1971-12-29

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