JPS5019404A - - Google Patents

Info

Publication number
JPS5019404A
JPS5019404A JP48052076A JP5207673A JPS5019404A JP S5019404 A JPS5019404 A JP S5019404A JP 48052076 A JP48052076 A JP 48052076A JP 5207673 A JP5207673 A JP 5207673A JP S5019404 A JPS5019404 A JP S5019404A
Authority
JP
Japan
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
JP48052076A
Other languages
Japanese (ja)
Other versions
JPS5247884B2 (en
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 filed Critical
Priority to JP48052076A priority Critical patent/JPS5247884B2/ja
Priority to GB2005174A priority patent/GB1473531A/en
Priority to CA199,126A priority patent/CA1006826A/en
Priority to FR7415992A priority patent/FR2229181B1/fr
Priority to US05/468,279 priority patent/US3946165A/en
Priority to NL7406289A priority patent/NL185876C/en
Priority to DE19742422423 priority patent/DE2422423C2/en
Priority to DE19742422471 priority patent/DE2422471C2/en
Priority to NL7406328A priority patent/NL7406328A/xx
Priority to FR7416250A priority patent/FR2229183B1/fr
Publication of JPS5019404A publication Critical patent/JPS5019404A/ja
Publication of JPS5247884B2 publication Critical patent/JPS5247884B2/ja
Expired legal-status Critical Current

Links

Classifications

    • 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
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00992Circuits for stereophonic or quadraphonic recording or reproducing
JP48052076A 1971-10-06 1973-05-10 Expired JPS5247884B2 (en)

Priority Applications (10)

Application Number Priority Date Filing Date Title
JP48052076A JPS5247884B2 (en) 1973-05-10 1973-05-10
GB2005174A GB1473531A (en) 1973-05-10 1974-05-07 Control of crosstalk in multiple frequency recording
CA199,126A CA1006826A (en) 1973-05-10 1974-05-07 Control of crosstalk in multiple frequency recording
FR7415992A FR2229181B1 (en) 1973-05-10 1974-05-09
US05/468,279 US3946165A (en) 1971-10-06 1974-05-09 Method and apparatus for control of crosstalk in multiple frequency recording
NL7406289A NL185876C (en) 1973-05-10 1974-05-09 SYSTEM FOR REGISTRATION FROM A NUMBER OF DIRECTIONS FROM SOUND SIGNALS ON A RECORD MEDIUM AND SYSTEM FOR THE DISPLAY OF SUCH SIGNALS.
DE19742422423 DE2422423C2 (en) 1973-05-10 1974-05-09 Method for recording four channel signals on the two side walls of the groove of a record
DE19742422471 DE2422471C2 (en) 1973-05-10 1974-05-09 Arrangement for the transmission of multi-channel signals
NL7406328A NL7406328A (en) 1973-05-10 1974-05-10
FR7416250A FR2229183B1 (en) 1973-05-10 1974-05-10

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP48052076A JPS5247884B2 (en) 1973-05-10 1973-05-10

Publications (2)

Publication Number Publication Date
JPS5019404A true JPS5019404A (en) 1975-02-28
JPS5247884B2 JPS5247884B2 (en) 1977-12-06

Family

ID=12904714

Family Applications (1)

Application Number Title Priority Date Filing Date
JP48052076A Expired JPS5247884B2 (en) 1971-10-06 1973-05-10

Country Status (6)

Country Link
JP (1) JPS5247884B2 (en)
CA (1) CA1006826A (en)
DE (1) DE2422423C2 (en)
FR (1) FR2229181B1 (en)
GB (1) GB1473531A (en)
NL (1) NL7406328A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4938112U (en) * 1972-07-04 1974-04-04
JPS5180015U (en) * 1974-12-18 1976-06-25
JPS52161015U (en) * 1976-05-29 1977-12-07
JPS53128210A (en) * 1977-04-15 1978-11-09 Nippon Gakki Seizo Kk Display unit for receiving frequency
JPS557607A (en) * 1978-06-30 1980-01-19 Yaesu Musen Co Ltd Digital display system by measuring sum or difference between two frequencies
JPS55164278U (en) * 1979-05-11 1980-11-26

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3906156A (en) * 1971-10-06 1975-09-16 Duane H Cooper Signal matrixing for directional reproduction of sound

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4938112U (en) * 1972-07-04 1974-04-04
JPS5180015U (en) * 1974-12-18 1976-06-25
JPS5437223Y2 (en) * 1974-12-18 1979-11-08
JPS52161015U (en) * 1976-05-29 1977-12-07
JPS53128210A (en) * 1977-04-15 1978-11-09 Nippon Gakki Seizo Kk Display unit for receiving frequency
JPS557607A (en) * 1978-06-30 1980-01-19 Yaesu Musen Co Ltd Digital display system by measuring sum or difference between two frequencies
JPS55164278U (en) * 1979-05-11 1980-11-26

Also Published As

Publication number Publication date
DE2422423A1 (en) 1974-11-28
DE2422423C2 (en) 1986-03-06
CA1006826A (en) 1977-03-15
GB1473531A (en) 1977-05-11
JPS5247884B2 (en) 1977-12-06
NL7406328A (en) 1974-11-12
FR2229181B1 (en) 1982-03-26
FR2229181A1 (en) 1974-12-06

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