FR2141561A1 - - Google Patents

Info

Publication number
FR2141561A1
FR2141561A1 FR7121782A FR7121782A FR2141561A1 FR 2141561 A1 FR2141561 A1 FR 2141561A1 FR 7121782 A FR7121782 A FR 7121782A FR 7121782 A FR7121782 A FR 7121782A FR 2141561 A1 FR2141561 A1 FR 2141561A1
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.)
Granted
Application number
FR7121782A
Other languages
French (fr)
Other versions
FR2141561B3 (https=
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.)
DYNACO Inc
Original Assignee
DYNACO 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 DYNACO Inc filed Critical DYNACO Inc
Priority to FR7121782A priority Critical patent/FR2141561B3/fr
Publication of FR2141561A1 publication Critical patent/FR2141561A1/fr
Application granted granted Critical
Publication of FR2141561B3 publication Critical patent/FR2141561B3/fr
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)
FR7121782A 1971-06-16 1971-06-16 Expired FR2141561B3 (https=)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7121782A FR2141561B3 (https=) 1971-06-16 1971-06-16

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7121782A FR2141561B3 (https=) 1971-06-16 1971-06-16

Publications (2)

Publication Number Publication Date
FR2141561A1 true FR2141561A1 (https=) 1973-01-26
FR2141561B3 FR2141561B3 (https=) 1974-04-26

Family

ID=9078733

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7121782A Expired FR2141561B3 (https=) 1971-06-16 1971-06-16

Country Status (1)

Country Link
FR (1) FR2141561B3 (https=)

Also Published As

Publication number Publication date
FR2141561B3 (https=) 1974-04-26

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Legal Events

Date Code Title Description
ST Notification of lapse