NL7017412A - - Google Patents

Info

Publication number
NL7017412A
NL7017412A NL7017412A NL7017412A NL7017412A NL 7017412 A NL7017412 A NL 7017412A NL 7017412 A NL7017412 A NL 7017412A NL 7017412 A NL7017412 A NL 7017412A NL 7017412 A NL7017412 A NL 7017412A
Authority
NL
Netherlands
Application number
NL7017412A
Other versions
NL167255B (nl
NL167255C (nl
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 filed Critical
Publication of NL7017412A publication Critical patent/NL7017412A/xx
Publication of NL167255B publication Critical patent/NL167255B/xx
Application granted granted Critical
Publication of NL167255C publication Critical patent/NL167255C/xx

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)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
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 (enrdf_load_stackoverflow) 1969-11-28 1969-11-28
JP45021826A JPS4917281B1 (enrdf_load_stackoverflow) 1970-03-15 1970-03-15
JP2457970 1970-03-24
JP5831370A JPS495244B1 (enrdf_load_stackoverflow) 1970-07-05 1970-07-05

Publications (3)

Publication Number Publication Date
NL7017412A true NL7017412A (enrdf_load_stackoverflow) 1971-06-02
NL167255B NL167255B (nl) 1981-06-16
NL167255C 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 (enrdf_load_stackoverflow)
CA (1) CA938560A (enrdf_load_stackoverflow)
CH (2) CH593536A5 (enrdf_load_stackoverflow)
CY (1) CY820A (enrdf_load_stackoverflow)
FR (1) FR2072524A5 (enrdf_load_stackoverflow)
GB (1) GB1337397A (enrdf_load_stackoverflow)
KE (1) KE2552A (enrdf_load_stackoverflow)
MY (1) MY7500058A (enrdf_load_stackoverflow)
NL (1) NL167255C (enrdf_load_stackoverflow)

Families Citing this family (38)

* 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 (enrdf_load_stackoverflow) * 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
DE2303112A1 (de) * 1972-01-24 1973-07-26 Victor Company Of Japan Demodulationsschaltung fuer eine mehrkanal-schallplatte
JPS5228361B2 (enrdf_load_stackoverflow) * 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 (enrdf_load_stackoverflow) * 1972-05-02 1976-11-20
JPS5524320B2 (enrdf_load_stackoverflow) * 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 (enrdf_load_stackoverflow) * 1972-10-09 1980-11-12
GB1427607A (en) * 1972-12-11 1976-03-10 Sony Corp Audio signal transmitting systems
JPS5243683B2 (enrdf_load_stackoverflow) * 1972-12-29 1977-11-01
JPS5550640B2 (enrdf_load_stackoverflow) * 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 (enrdf_load_stackoverflow) * 1973-04-25 1978-03-16
JPS49134302A (enrdf_load_stackoverflow) * 1973-04-25 1974-12-24
JPS5342383B2 (enrdf_load_stackoverflow) * 1973-04-27 1978-11-10
JPS5527760B2 (enrdf_load_stackoverflow) * 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 (enrdf_load_stackoverflow) * 1974-01-31 1978-04-21 Telediffusion Fse
JPS5424841B2 (enrdf_load_stackoverflow) * 1974-02-26 1979-08-24
US3894201A (en) * 1974-05-31 1975-07-08 Rca Corp System for dynamic and static muting
DE2528072C3 (de) * 1974-06-25 1982-03-18 Matsushita Electric Industrial Co., Ltd., Kadoma, Osaka Schaltungsanordnung zur Aufzeichnung von Vierkanalsignalen auf einer Vierkanalschallplatte
US4016373A (en) * 1974-09-26 1977-04-05 Victor Company Of Japan, Limited Multichannel record disc recording system
JPS5757763B2 (enrdf_load_stackoverflow) * 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
US4272786A (en) 1978-10-16 1981-06-09 Rca Corporation Video disc playback apparatus with non-linear aperture correction
US4312013A (en) 1979-09-19 1982-01-19 Rca Corporation Non-linear aperture correction circuit

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 (enrdf_load_stackoverflow) * 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
CA938560A (en) 1973-12-18
NL167255B (nl) 1981-06-16
CH530063A (fr) 1972-10-31
DE2058334A1 (de) 1971-06-09
DE2058334B2 (de) 1973-06-28
NL167255C (nl) 1981-11-16
CH593536A5 (enrdf_load_stackoverflow) 1977-12-15
MY7500058A (en) 1975-12-31
KE2552A (en) 1975-08-29
GB1337397A (en) 1973-11-14
US3686471A (en) 1972-08-22
CY820A (en) 1976-12-01
FR2072524A5 (enrdf_load_stackoverflow) 1971-09-24

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Legal Events

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