NL165027C - FOUR-CHANNEL STEREOPHONIC DISPLAY SYSTEM. - Google Patents

FOUR-CHANNEL STEREOPHONIC DISPLAY SYSTEM.

Info

Publication number
NL165027C
NL165027C NL7406743.A NL165027DA NL165027C NL 165027 C NL165027 C NL 165027C NL 165027D A NL165027D A NL 165027DA NL 165027 C NL165027 C NL 165027C
Authority
NL
Netherlands
Prior art keywords
display system
channel stereophonic
stereophonic display
channel
stereophonic
Prior art date
Application number
NL7406743.A
Other languages
Dutch (nl)
Original Assignee
Matsushita Electric Ind 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.)
Publication of NL165027C publication Critical patent/NL165027C/en
Priority claimed from JP6193773U external-priority patent/JPS5123285Y2/ja
Priority claimed from JP6193673U external-priority patent/JPS5136481Y2/ja

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/006—Systems 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)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Stereophonic System (AREA)
NL7406743.A 1973-05-25 FOUR-CHANNEL STEREOPHONIC DISPLAY SYSTEM. NL165027C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP6193773U JPS5123285Y2 (en) 1973-05-25 1973-05-25
JP6193673U JPS5136481Y2 (en) 1973-05-25 1973-05-25

Publications (1)

Publication Number Publication Date
NL165027C true NL165027C (en)

Family

ID=26403026

Family Applications (2)

Application Number Title Priority Date Filing Date
NL7406743.A NL165027C (en) 1973-05-25 FOUR-CHANNEL STEREOPHONIC DISPLAY SYSTEM.
NL7406743.A NL165027B (en) 1973-05-25 1974-05-20 FOUR-CHANNEL STEREOPHONIC DISPLAY SYSTEM.

Family Applications After (1)

Application Number Title Priority Date Filing Date
NL7406743.A NL165027B (en) 1973-05-25 1974-05-20 FOUR-CHANNEL STEREOPHONIC DISPLAY SYSTEM.

Country Status (6)

Country Link
US (1) US3911231A (en)
AU (1) AU481062B2 (en)
CA (1) CA1005350A (en)
DE (1) DE2425191A1 (en)
FR (1) FR2231065B1 (en)
NL (2) NL165027B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL162812C (en) * 1974-03-12 1980-06-16 Matsushita Electric Ind Co Ltd FOUR-CHANNEL DISPLAY FOR THE DISPLAY OF GRAMOPHONE PLATES.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3843850A (en) * 1970-06-26 1974-10-22 Victor Co Ltd Four channel record reproducing apparatus with muting of speakers not used for stereo or monaural records
US3711652A (en) * 1971-03-10 1973-01-16 Gen Electric Monolithic stereo decoder with balanced decoder operation
JPS5524320B2 (en) * 1972-05-24 1980-06-27
US3825697A (en) * 1973-07-27 1974-07-23 Gen Motors Corp Phase-lock-loop fm-stereo decoder including stereophonic/monophonic blend system for reducing audio distortion

Also Published As

Publication number Publication date
NL7406743A (en) 1974-11-27
NL165027B (en) 1980-09-15
CA1005350A (en) 1977-02-15
US3911231A (en) 1975-10-07
AU6923474A (en) 1975-11-27
AU481062B2 (en) 1977-02-17
FR2231065B1 (en) 1978-06-16
DE2425191A1 (en) 1974-12-19
FR2231065A1 (en) 1974-12-20

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