JPS5213082B1 - - Google Patents

Info

Publication number
JPS5213082B1
JPS5213082B1 JP46053771A JP5377171A JPS5213082B1 JP S5213082 B1 JPS5213082 B1 JP S5213082B1 JP 46053771 A JP46053771 A JP 46053771A JP 5377171 A JP5377171 A JP 5377171A JP S5213082 B1 JPS5213082 B1 JP S5213082B1
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.)
Pending
Application number
JP46053771A
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 JP46053771A priority Critical patent/JPS5213082B1/ja
Priority to GB3214372A priority patent/GB1400061A/en
Priority to US00272439A priority patent/US3786193A/en
Priority to NL7209930A priority patent/NL7209930A/xx
Priority to CA147,365A priority patent/CA991086A/en
Priority to DE2235238A priority patent/DE2235238A1/de
Priority to IT27179/72A priority patent/IT963000B/it
Priority to FR7226055A priority patent/FR2146394B1/fr
Priority to CA246,160A priority patent/CA1002454A/en
Priority to CA246,161A priority patent/CA1001957A/en
Publication of JPS5213082B1 publication Critical patent/JPS5213082B1/ja
Pending 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
JP46053771A 1971-07-19 1971-07-19 Pending JPS5213082B1 (ja)

Priority Applications (10)

Application Number Priority Date Filing Date Title
JP46053771A JPS5213082B1 (ja) 1971-07-19 1971-07-19
GB3214372A GB1400061A (en) 1971-07-19 1972-07-10 Multisignal transmission apparatus
US00272439A US3786193A (en) 1971-07-19 1972-07-17 Four channel decoder with variable mixing of the output channels
NL7209930A NL7209930A (ja) 1971-07-19 1972-07-18
CA147,365A CA991086A (en) 1971-07-19 1972-07-18 Multisignal transmission apparatus
DE2235238A DE2235238A1 (de) 1971-07-19 1972-07-18 Multisignal-uebertragungseinrichtung
IT27179/72A IT963000B (it) 1971-07-19 1972-07-19 Apparato per la trasmissione di segnali plurimi
FR7226055A FR2146394B1 (ja) 1971-07-19 1972-07-19
CA246,160A CA1002454A (en) 1971-07-19 1976-02-20 Multisignal transmission apparatus
CA246,161A CA1001957A (en) 1971-07-19 1976-02-20 Multisignal transmission apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP46053771A JPS5213082B1 (ja) 1971-07-19 1971-07-19

Publications (1)

Publication Number Publication Date
JPS5213082B1 true JPS5213082B1 (ja) 1977-04-12

Family

ID=12952066

Family Applications (1)

Application Number Title Priority Date Filing Date
JP46053771A Pending JPS5213082B1 (ja) 1971-07-19 1971-07-19

Country Status (8)

Country Link
US (1) US3786193A (ja)
JP (1) JPS5213082B1 (ja)
CA (2) CA991086A (ja)
DE (1) DE2235238A1 (ja)
FR (1) FR2146394B1 (ja)
GB (1) GB1400061A (ja)
IT (1) IT963000B (ja)
NL (1) NL7209930A (ja)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3985978A (en) * 1971-10-06 1976-10-12 Cooper Duane H Method and apparatus for control of FM beat distortion
GB1402320A (en) * 1971-10-25 1975-08-06 Sansui Electric Co Decoder for use in 4-2-4 matrix playback system
JPS5210364B2 (ja) * 1972-05-02 1977-03-23
DE2227705C3 (de) * 1972-06-07 1975-09-11 Polygram Gmbh, 2000 Hamburg Verfahren zur Herstellung einer vielkanaligen vorzugsweise vierkanaligen (quadraphonischen) Toninformation
US3883692A (en) * 1972-06-16 1975-05-13 Sony Corp Decoder apparatus with logic circuit for use with a four channel stereo
GB1447391A (en) * 1972-08-17 1976-08-25 Nagamura F Grooved record playback system
JPS5235282B2 (ja) * 1972-09-09 1977-09-08
DE2252132C3 (de) 1972-10-24 1982-08-26 Sansui Electric Co., Ltd., Tokyo Decodierer für ein 4-2-4-Matrixsystem
DE2253696B1 (de) * 1972-11-02 1974-02-21 Electroacustic Gmbh, 2300 Kiel Verfahren zur verringerung von stoerspannungen bei mehrkanaliger wiedergabe von akustischen darbietungen
GB1450533A (en) * 1972-11-08 1976-09-22 Ferrograph Co Ltd Stereo sound reproducing apparatus
US3890466A (en) * 1973-02-01 1975-06-17 Cbs Inc Encoders for quadraphonic sound system
JPS5317283B2 (ja) * 1973-03-07 1978-06-07
JPS5248001B2 (ja) * 1973-08-20 1977-12-07
US3919478A (en) * 1974-01-17 1975-11-11 Zenith Radio Corp Passive four-channel decoder
GB1514162A (en) * 1974-03-25 1978-06-14 Ruggles W Directional enhancement system for quadraphonic decoders
US3875338A (en) * 1974-04-18 1975-04-01 Columbia Broadcasting Syst Inc Decoder matrix for quadraphonic sound systems
US3943287A (en) * 1974-06-03 1976-03-09 Cbs Inc. Apparatus and method for decoding four channel sound
US5046098A (en) * 1985-03-07 1991-09-03 Dolby Laboratories Licensing Corporation Variable matrix decoder with three output channels
US4799260A (en) * 1985-03-07 1989-01-17 Dolby Laboratories Licensing Corporation Variable matrix decoder
US4862502A (en) * 1988-01-06 1989-08-29 Lexicon, Inc. Sound reproduction
US5136650A (en) * 1991-01-09 1992-08-04 Lexicon, Inc. Sound reproduction
US5157697A (en) * 1991-03-21 1992-10-20 Novatel Communications, Ltd. Receiver employing correlation technique for canceling cross-talk between in-phase and quadrature channels prior to decoding
US5870480A (en) * 1996-07-19 1999-02-09 Lexicon Multichannel active matrix encoder and decoder with maximum lateral separation
US5796844A (en) * 1996-07-19 1998-08-18 Lexicon Multichannel active matrix sound reproduction with maximum lateral separation
EP2190221B1 (en) * 2008-11-20 2018-09-12 Harman Becker Automotive Systems GmbH Audio system

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3632886A (en) * 1969-12-29 1972-01-04 Peter Scheiber Quadrasonic sound system
US3708631A (en) * 1970-06-08 1973-01-02 Columbia Broadcasting Syst Inc Quadraphonic reproducing system with gain control

Also Published As

Publication number Publication date
FR2146394B1 (ja) 1977-04-01
US3786193A (en) 1974-01-15
IT963000B (it) 1973-12-31
CA1001957A (en) 1976-12-21
NL7209930A (ja) 1973-01-23
CA991086A (en) 1976-06-15
GB1400061A (en) 1975-07-16
DE2235238A1 (de) 1973-02-01
FR2146394A1 (ja) 1973-03-02

Similar Documents

Publication Publication Date Title
FR2146394B1 (ja)
ATA136472A (ja)
AU2658571A (ja)
AU2691671A (ja)
AU3005371A (ja)
AU2952271A (ja)
AU2941471A (ja)
AU2564071A (ja)
AU2684071A (ja)
AU2654071A (ja)
AU2837671A (ja)
AU2669471A (ja)
AU2875571A (ja)
AU2399971A (ja)
AU2963771A (ja)
AU2588771A (ja)
AU2880771A (ja)
AU2885171A (ja)
AU2455871A (ja)
AU2577671A (ja)
AU2854371A (ja)
AU2927871A (ja)
AU2930871A (ja)
AU2938071A (ja)
AU2940971A (ja)