CA991086A - Multisignal transmission apparatus - Google Patents

Multisignal transmission apparatus

Info

Publication number
CA991086A
CA991086A CA147,365A CA147365A CA991086A CA 991086 A CA991086 A CA 991086A CA 147365 A CA147365 A CA 147365A CA 991086 A CA991086 A CA 991086A
Authority
CA
Canada
Prior art keywords
transmission apparatus
multisignal
multisignal transmission
apparatus
Prior art date
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.)
Expired
Application number
CA147,365A
Other versions
CA147365S (en
Inventor
Katsuaki Tsurushima
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sony Corp
Original Assignee
Sony Corp
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 to JP46053771A priority Critical patent/JPS5213082B1/ja
Application filed by Sony Corp filed Critical Sony Corp
Priority claimed from CA246,160A external-priority patent/CA1002454A/en
Application granted granted Critical
Publication of CA991086A publication Critical patent/CA991086A/en
Application status is Expired legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S3/00Systems employing more than two channels, e.g. quadraphonic
    • H04S3/02Systems 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
CA147,365A 1971-07-19 1972-07-18 Multisignal transmission apparatus Expired CA991086A (en)

Priority Applications (1)

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

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA246,160A CA1002454A (en) 1971-07-19 1976-02-20 Multisignal transmission apparatus

Publications (1)

Publication Number Publication Date
CA991086A true CA991086A (en) 1976-06-15

Family

ID=12952066

Family Applications (2)

Application Number Title Priority Date Filing Date
CA147,365A Expired CA991086A (en) 1971-07-19 1972-07-18 Multisignal transmission apparatus
CA246,161A Expired CA1001957A (en) 1971-07-19 1976-02-20 Multisignal transmission apparatus

Family Applications After (1)

Application Number Title Priority Date Filing Date
CA246,161A Expired CA1001957A (en) 1971-07-19 1976-02-20 Multisignal transmission apparatus

Country Status (8)

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

Families Citing this family (24)

* 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 (en) * 1972-05-02 1977-03-23
DE2227705C3 (en) * 1972-06-07 1975-09-11 Polygram Gmbh, 2000 Hamburg
US3883692A (en) * 1972-06-16 1975-05-13 Sony Corp Decoder apparatus with logic circuit for use with a four channel stereo
GB1447392A (en) * 1972-08-17 1976-08-25 Nagamura F Recording apparatus
JPS5235282B2 (en) * 1972-09-09 1977-09-08
DE2253696A1 (en) * 1972-11-02 1974-02-21
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 (en) * 1973-03-07 1978-06-07
JPS5248001B2 (en) * 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
US4799260A (en) * 1985-03-07 1989-01-17 Dolby Laboratories Licensing Corporation Variable matrix decoder
US5046098A (en) * 1985-03-07 1991-09-03 Dolby Laboratories Licensing Corporation Variable matrix decoder with three output channels
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
FR2146394A1 (en) 1973-03-02
NL7209930A (en) 1973-01-23
US3786193A (en) 1974-01-15
JPS5213082B1 (en) 1977-04-12
CA991086A1 (en)
DE2235238A1 (en) 1973-02-01
CA1001957A (en) 1976-12-21
CA1001957A1 (en)
IT963000B (en) 1973-12-31
FR2146394B1 (en) 1977-04-01
GB1400061A (en) 1975-07-16

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