NL167255C - Registratie-inrichting, reproduktie-inrichting en gram- mofoonplaat met een registratie in meer dan twee kana- len. - Google Patents

Registratie-inrichting, reproduktie-inrichting en gram- mofoonplaat met een registratie in meer dan twee kana- len.

Info

Publication number
NL167255C
NL167255C NL7017412.A NL7017412A NL167255C NL 167255 C NL167255 C NL 167255C NL 7017412 A NL7017412 A NL 7017412A NL 167255 C NL167255 C NL 167255C
Authority
NL
Netherlands
Prior art keywords
registration
channels
gramophone plate
reproduction device
reproduction
Prior art date
Application number
NL7017412.A
Other languages
English (en)
Other versions
NL7017412A (nl
NL167255B (nl
Original Assignee
Victor Company Of Japan
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
Priority claimed from JP44095587A external-priority patent/JPS4838242B1/ja
Priority claimed from JP45021826A external-priority patent/JPS4917281B1/ja
Priority claimed from JP5831370A external-priority patent/JPS495244B1/ja
Application filed by Victor Company Of Japan filed Critical Victor Company Of Japan
Publication of NL7017412A publication Critical patent/NL7017412A/xx
Publication of NL167255B publication Critical patent/NL167255B/nl
Application granted granted Critical
Publication of NL167255C publication Critical patent/NL167255C/nl

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
NL7017412.A 1969-11-28 1970-11-27 Registratie-inrichting, reproduktie-inrichting en gram- mofoonplaat met een registratie in meer dan twee kana- len. NL167255C (nl)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP44095587A JPS4838242B1 (nl) 1969-11-28 1969-11-28
JP45021826A JPS4917281B1 (nl) 1970-03-15 1970-03-15
JP2457970 1970-03-24
JP5831370A JPS495244B1 (nl) 1970-07-05 1970-07-05

Publications (3)

Publication Number Publication Date
NL7017412A NL7017412A (nl) 1971-06-02
NL167255B NL167255B (nl) 1981-06-16
NL167255C true NL167255C (nl) 1981-11-16

Family

ID=27457646

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7017412.A NL167255C (nl) 1969-11-28 1970-11-27 Registratie-inrichting, reproduktie-inrichting en gram- mofoonplaat met een registratie in meer dan twee kana- len.

Country Status (9)

Country Link
US (1) US3686471A (nl)
CA (1) CA938560A (nl)
CH (2) CH530063A (nl)
CY (1) CY820A (nl)
FR (1) FR2072524A5 (nl)
GB (1) GB1337397A (nl)
KE (1) KE2552A (nl)
MY (1) MY7500058A (nl)
NL (1) NL167255C (nl)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3830978A (en) * 1971-07-08 1974-08-20 Matsushita Electric Ind Co Ltd Circuit for mixing four audio input signals to produce four audio output signals
US3869583A (en) * 1971-08-05 1975-03-04 Columbia Broadcasting Syst Inc Quadruphonic disc recording system utilizing single sideband modulation
JPS5625811B2 (nl) * 1971-09-18 1981-06-15
DK137153B (da) * 1971-10-05 1978-01-23 Victor Company Of Japan Demodulationsanlæg for vinkelmodulerede bølger.
US4107478A (en) * 1971-10-05 1978-08-15 Victor Company Of Japan, Limited Angle modulated wave demodulation system
US3906156A (en) * 1971-10-06 1975-09-16 Duane H Cooper Signal matrixing for directional reproduction of sound
US3854098A (en) * 1972-01-24 1974-12-10 Victor Company Of Japan Multichannel disc demodulation circuit
JPS5228361B2 (nl) * 1972-03-09 1977-07-26
US3761628A (en) * 1972-04-13 1973-09-25 Columbia Broadcasting Syst Inc Stereo-quadraphonic matrix system with matrix or discrete sound reproduction capability
JPS5143361B2 (nl) * 1972-05-02 1976-11-20
JPS5524320B2 (nl) * 1972-05-24 1980-06-27
GB1416631A (en) * 1972-05-30 1975-12-03 Nippon Columbia Discrete 4-channel stereo recording and/or reproducing system
DE2227705C3 (de) * 1972-06-07 1975-09-11 Polygram Gmbh, 2000 Hamburg Verfahren zur Herstellung einer vielkanaligen vorzugsweise vierkanaligen (quadraphonischen) Toninformation
GB1447392A (en) * 1972-08-17 1976-08-25 Nagamura F Recording apparatus
US3934087A (en) * 1972-10-07 1976-01-20 Victor Company Of Japan, Limited Angle modulated wave demodulation system
JPS5544519B2 (nl) * 1972-10-09 1980-11-12
GB1427607A (en) * 1972-12-11 1976-03-10 Sony Corp Audio signal transmitting systems
JPS5243683B2 (nl) * 1972-12-29 1977-11-01
JPS5550640B2 (nl) * 1973-03-09 1980-12-19
US3852530A (en) * 1973-03-19 1974-12-03 M Shen Single stage power amplifiers for multiple signal channels
US3875522A (en) * 1973-04-13 1975-04-01 Signetics Corp Integrated direct-coupled electronic attenuator
JPS537249B2 (nl) * 1973-04-25 1978-03-16
JPS49134302A (nl) * 1973-04-25 1974-12-24
JPS5342383B2 (nl) * 1973-04-27 1978-11-10
JPS5527760B2 (nl) * 1973-05-10 1980-07-23
US3991283A (en) * 1973-05-21 1976-11-09 Victor Company Of Japan, Limited Multichannel record disc reproducing system
US3886312A (en) * 1973-08-16 1975-05-27 Quadracast Systems Decoder for four channel record
US3883700A (en) * 1973-12-26 1975-05-13 Cbs Inc System for reproducing four channel signals recorded on a disc record
FR2260246B1 (nl) * 1974-01-31 1978-04-21 Telediffusion Fse
JPS5424841B2 (nl) * 1974-02-26 1979-08-24
US3894201A (en) * 1974-05-31 1975-07-08 Rca Corp System for dynamic and static muting
US4002840A (en) * 1974-06-25 1977-01-11 Matsushita Electric Industrial Co., Ltd. Angle-modulated signal transmission system
US4016373A (en) * 1974-09-26 1977-04-05 Victor Company Of Japan, Limited Multichannel record disc recording system
JPS5757763B2 (nl) * 1974-11-29 1982-12-06 Nippon Columbia
US3988025A (en) * 1975-02-13 1976-10-26 Fumitaka Nagamura Record disc cutting apparatus
US4006306A (en) * 1975-10-10 1977-02-01 Yudin Industries, Inc. Audio signal processing apparatus

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2281405A (en) * 1938-05-11 1942-04-28 Barrish Robert Lloyd Method and apparatus for transmission of signals
US2349886A (en) * 1942-01-30 1944-05-30 Rca Corp Phase modulation recording and reproducing system
BE544453A (nl) * 1955-01-17
US3067292A (en) * 1958-02-03 1962-12-04 Jerry B Minter Stereophonic sound transmission and reproduction
DE1196711B (de) * 1960-10-12 1965-07-15 Deutsche Post Rundfunk Kompatibles Verfahren zur wahlweisen monofonen, stereofonen, mono-ambiofonen oder stereo-ambiofonen Aufnahme, UEbertragung und Wiedergabe
US3401237A (en) * 1962-08-27 1968-09-10 Victor Company Of Japan Simultaneous recording of two signals per channel

Also Published As

Publication number Publication date
CY820A (en) 1976-12-01
US3686471A (en) 1972-08-22
DE2058334B2 (de) 1973-06-28
FR2072524A5 (nl) 1971-09-24
CH593536A5 (nl) 1977-12-15
NL7017412A (nl) 1971-06-02
NL167255B (nl) 1981-06-16
MY7500058A (en) 1975-12-31
KE2552A (en) 1975-08-29
GB1337397A (en) 1973-11-14
CA938560A (en) 1973-12-18
CH530063A (fr) 1972-10-31
DE2058334A1 (de) 1971-06-09

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Legal Events

Date Code Title Description
V1 Lapsed because of non-payment of the annual fee