JPS51132008A - 4 channel compatible fm receiving system - Google Patents

4 channel compatible fm receiving system

Info

Publication number
JPS51132008A
JPS51132008A JP51006044A JP604476A JPS51132008A JP S51132008 A JPS51132008 A JP S51132008A JP 51006044 A JP51006044 A JP 51006044A JP 604476 A JP604476 A JP 604476A JP S51132008 A JPS51132008 A JP S51132008A
Authority
JP
Japan
Prior art keywords
receiving system
channel compatible
compatible
channel
receiving
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.)
Pending
Application number
JP51006044A
Other languages
Japanese (ja)
Inventor
Doreen Ruisu
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electronics 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
Application filed by Matsushita Electronics Corp filed Critical Matsushita Electronics Corp
Publication of JPS51132008A publication Critical patent/JPS51132008A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/86—Arrangements characterised by the broadcast information itself
    • H04H20/88—Stereophonic broadcast systems
    • H04H20/89—Stereophonic broadcast systems using three or more audio channels, e.g. triphonic or quadraphonic

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Stereo-Broadcasting Methods (AREA)
JP51006044A 1970-04-29 1976-01-23 4 channel compatible fm receiving system Pending JPS51132008A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US3298970A 1970-04-29 1970-04-29

Publications (1)

Publication Number Publication Date
JPS51132008A true JPS51132008A (en) 1976-11-16

Family

ID=21867959

Family Applications (2)

Application Number Title Priority Date Filing Date
JP46027480A Pending JPS598975B1 (en) 1970-04-29 1971-04-26
JP51006044A Pending JPS51132008A (en) 1970-04-29 1976-01-23 4 channel compatible fm receiving system

Family Applications Before (1)

Application Number Title Priority Date Filing Date
JP46027480A Pending JPS598975B1 (en) 1970-04-29 1971-04-26

Country Status (3)

Country Link
US (1) US3708623A (en)
JP (2) JPS598975B1 (en)
GB (1) GB1335738A (en)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3822365A (en) * 1970-04-29 1974-07-02 Matsushita Electric Corp Compatible four channel fm system
JPS5033724B1 (en) * 1970-11-09 1975-11-01
US4282401A (en) * 1970-12-24 1981-08-04 Sansui Electric Company System for transmission and reception of discrete four channel stereo
US3934092A (en) * 1971-09-21 1976-01-20 General Electric Company Four channel stereophonic broadcasting system
US3906156A (en) * 1971-10-06 1975-09-16 Duane H Cooper Signal matrixing for directional reproduction of sound
US3970788A (en) * 1971-10-06 1976-07-20 Cooper Duane H Monaural and stereo compatible multidirectional sound matrixing
FR2163689B1 (en) * 1971-12-16 1976-08-27 Matsushita Electric Ind Co Ltd
CA1036224A (en) * 1971-12-23 1978-08-08 Tsuneo Ohkubo Four-channel stereo receiver
US3881063A (en) * 1972-01-20 1975-04-29 Victor Company Of Japan System for selectively receiving either 4-channel or- 2-channel stereophonic broadcastings
US3798377A (en) * 1972-04-07 1974-03-19 Matsushita Electric Corp Four channel fm decoder utilizing a one-of-four decoder
DE2220280C2 (en) * 1972-04-25 1974-03-07 Siemens Ag, 1000 Berlin U. 8000 Muenchen Method for the transmission of quadraphonic signals in the frequency band of a stereo signal for VHF radio
US3814858A (en) * 1972-04-27 1974-06-04 Motorola Inc Multiplex system employing multiple quadrature subcarriers
US3787629A (en) * 1972-05-09 1974-01-22 Rca Corp Apparatus for distinguishing between various fm broadcast multiplex transmissions
US4316058A (en) * 1972-05-09 1982-02-16 Rca Corporation Sound field transmission system surrounding a listener
JPS5332643B2 (en) * 1972-06-06 1978-09-09
US3944747A (en) * 1972-08-24 1976-03-16 Zenith Radio Corporation Multiple channel FM stereo system
JPS5315602B2 (en) * 1972-09-29 1978-05-26
US3967069A (en) * 1972-12-29 1976-06-29 Matsushita Electric Corporation Of America Compatible four channel FM system
US4190737A (en) * 1972-12-29 1980-02-26 Matsushita Electric Corp. Of America Compatible four channel FM system
US3896268A (en) * 1973-05-29 1975-07-22 Sencore Inc Circuit for generating a stereo pilot signal
US4027107A (en) * 1973-09-28 1977-05-31 Zenith Radio Corporation Multiple channel FM stereo system
US3902018A (en) * 1973-12-03 1975-08-26 Zenith Radio Corp Multiple channel fm stereo system employing am vestigial sideband subcarrier modulation
JPS5822892B2 (en) * 1974-02-25 1983-05-12 ソニー株式会社 4 Channel Stereo Goseishingouno Hanbetsu Cairo
US3943294A (en) * 1974-06-21 1976-03-09 Quadracast Systems, Inc. Multi-mono FM system
JPS589615B2 (en) * 1974-12-16 1983-02-22 ソニー株式会社 FM Stereo Fukuchiyouhoushiki
US4004095A (en) * 1975-01-14 1977-01-18 Vincent Cardone System for time sharing an audio amplifier
US4039752A (en) * 1975-09-19 1977-08-02 Matsushita Electric Industrial Co., Ltd. Fm four channel stereo signal generator
JPH0165275U (en) * 1987-10-20 1989-04-26
JPH02225277A (en) * 1989-02-27 1990-09-07 Hitachi Elevator Eng & Service Co Ltd Getting-on/off position detector for elevator cage

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1956397A (en) * 1931-02-21 1934-04-24 Communications Patents Inc Multiple channel transmission control
NL175036B (en) * 1953-01-02 Dansk Svejsemaskine MACHINE FOR TURNING ON METAL WIRE RODS TO HOLDERS.
US2792449A (en) * 1953-07-29 1957-05-14 Bottini Allerico Device for stereophonically recording and transmitting sound waves
US3231672A (en) * 1958-10-20 1966-01-25 Philco Corp Transmission system for stereophonic signals
NL259678A (en) * 1959-03-11
US3221098A (en) * 1962-08-15 1965-11-30 Eugene S Feldman Multiple lingual television in a multiplex broadcast system
US3466399A (en) * 1966-12-06 1969-09-09 Zenith Radio Corp Stereo receiver suitable for integrated circuit construction
US3375329A (en) * 1967-05-02 1968-03-26 Francis E Ryan Monaxial quadraphonic recording system

Also Published As

Publication number Publication date
GB1335738A (en) 1973-10-31
JPS598975B1 (en) 1984-02-28
US3708623A (en) 1973-01-02

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