NL7306405A - - Google Patents

Info

Publication number
NL7306405A
NL7306405A NL7306405A NL7306405A NL7306405A NL 7306405 A NL7306405 A NL 7306405A NL 7306405 A NL7306405 A NL 7306405A NL 7306405 A NL7306405 A NL 7306405A NL 7306405 A NL7306405 A NL 7306405A
Authority
NL
Netherlands
Application number
NL7306405A
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
Publication of NL7306405A publication Critical patent/NL7306405A/xx

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)
NL7306405A 1972-05-09 1973-05-08 NL7306405A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US25177172A 1972-05-09 1972-05-09

Publications (1)

Publication Number Publication Date
NL7306405A true NL7306405A (zh) 1973-11-13

Family

ID=22953345

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7306405A NL7306405A (zh) 1972-05-09 1973-05-08

Country Status (10)

Country Link
US (1) US3787629A (zh)
JP (1) JPS5325601B2 (zh)
AU (1) AU467834B2 (zh)
CA (1) CA1000797A (zh)
DE (1) DE2323461C3 (zh)
ES (1) ES414568A1 (zh)
FR (1) FR2183975B1 (zh)
GB (1) GB1416627A (zh)
IT (1) IT984181B (zh)
NL (1) NL7306405A (zh)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU456517B2 (en) * 1971-12-23 1974-12-04 Matsushita Electric Industrial Co., Ltd 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
DE2220280C2 (de) * 1972-04-25 1974-03-07 Siemens Ag, 1000 Berlin U. 8000 Muenchen Verfahren zur Übertragung von Quadrofonie-Signalen im Frequenzband eines Stereosignals bei UKW-Rundfunk
US3944747A (en) * 1972-08-24 1976-03-16 Zenith Radio Corporation Multiple channel FM stereo system
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 (ja) * 1974-02-25 1983-05-12 ソニー株式会社 ４ チヤンネルステレオゴウセイシンゴウノ ハンベツカイロ
US3940559A (en) * 1974-04-18 1976-02-24 Cbs Inc. Compatible four channel recording and reproducing system
JPS513501A (en) * 1974-06-27 1976-01-13 Sansui Electric Co 4 channerusutereohosojushinkiniokeru sutereoshingofukuchoki
JPS5113208U (zh) * 1974-07-17 1976-01-30
US4564867A (en) * 1980-07-24 1986-01-14 Universal Pioneer Corporation Video disc recording and reproducing device for video discs having recognition signal indicative of content of associated program signal
US5412731A (en) * 1982-11-08 1995-05-02 Desper Products, Inc. Automatic stereophonic manipulation system and apparatus for image enhancement
US4821322A (en) * 1987-08-12 1989-04-11 Bose Corporation FM multiplex decoding
JP3006059B2 (ja) * 1990-09-17 2000-02-07 ソニー株式会社 音場拡大装置
JP3498888B2 (ja) * 1996-10-11 2004-02-23 日本ビクター株式会社 サラウンド信号処理装置と方法及び映像音声再生方法、記録媒体への記録方法及び記録装置、記録媒体、処理プログラムの伝送方法及び受信方法、並びに記録データの伝送方法及び受信方法
EP1094627A1 (en) * 1999-10-20 2001-04-25 Sony International (Europe) GmbH Method and device to retrieve RDS information
US7343015B2 (en) * 1999-11-16 2008-03-11 Radio Shack Corporation Method and apparatus for high fidelity wireless stereophonic transmission utilizing dual frequency carriers

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1941067A (en) * 1932-10-20 1933-12-26 Edwin H Armstrong Radio broadcasting and receiving
GB1059007A (en) * 1965-11-25 1967-02-15 Telefunken Patent Improvements relating to stereophonic radio receivers
US3708623A (en) * 1970-04-29 1973-01-02 Quadracast Syst Inc Compatible four channel fm system
US3679832A (en) * 1971-03-23 1972-07-25 Bell Telephone Labor Inc Three-channel fm stereo transmission
FR2136450A5 (zh) * 1971-04-15 1972-12-22 Matsushita Electric Ind Co Ltd

Also Published As

Publication number Publication date
JPS5325601B2 (zh) 1978-07-27
GB1416627A (en) 1975-12-03
IT984181B (it) 1974-11-20
DE2323461A1 (de) 1973-11-29
US3787629A (en) 1974-01-22
CA1000797A (en) 1976-11-30
ES414568A1 (es) 1976-02-01
AU467834B2 (en) 1975-12-11
JPS4949505A (zh) 1974-05-14
DE2323461B2 (de) 1980-05-14
FR2183975A1 (zh) 1973-12-21
AU5516973A (en) 1974-11-07
FR2183975B1 (zh) 1978-09-29
DE2323461C3 (de) 1981-01-15

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
BV The patent application has lapsed