DK545284D0 - Stereofonisk fm-radiosendesystem - Google Patents

Stereofonisk fm-radiosendesystem

Info

Publication number: DK545284D0
Authority: DK; Denmark
Prior art keywords: stereophonic; transmission system; radio transmission; radio; transmission
Prior art date: 1983-03-18

Application number

DK545284A

Other languages

English (en)

Other versions

DK545284A (da

DK165149C (da

DK165149B (da

Inventor

Emil L Torick

Thomas B Keller

Original Assignee

Emil L Torick

Thomas B Keller

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.)

1983-03-18

Filing date

1984-11-16

Publication date

1984-11-16

1984-11-16 Application filed by Emil L Torick, Thomas B Keller filed Critical Emil L Torick

1984-11-16 Publication of DK545284A publication Critical patent/DK545284A/da

1984-11-16 Publication of DK545284D0 publication Critical patent/DK545284D0/da

1992-10-12 Publication of DK165149B publication Critical patent/DK165149B/da

1993-03-01 Application granted granted Critical

1993-03-01 Publication of DK165149C publication Critical patent/DK165149C/da

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
- H04H20/44—Arrangements characterised by circuits or components specially adapted for broadcast
- H04H20/46—Arrangements characterised by circuits or components specially adapted for broadcast specially adapted for broadcast systems covered by groups H04H20/53-H04H20/95
- H04H20/47—Arrangements characterised by circuits or components specially adapted for broadcast specially adapted for broadcast systems covered by groups H04H20/53-H04H20/95 specially adapted for stereophonic broadcast systems
- H04H20/48—Arrangements characterised by circuits or components specially adapted for broadcast specially adapted for broadcast systems covered by groups H04H20/53-H04H20/95 specially adapted for stereophonic broadcast systems for FM stereophonic broadcast systems
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G7/00—Volume compression or expansion in amplifiers
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/62—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for providing a predistortion of the signal in the transmitter and corresponding correction in the receiver, e.g. for improving the signal/noise ratio
- H04B1/64—Volume compression or expansion arrangements

Landscapes

Engineering & Computer Science (AREA)
Signal Processing (AREA)
Computer Networks & Wireless Communication (AREA)
Stereo-Broadcasting Methods (AREA)
Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
Stereophonic System (AREA)

DK545284A 1983-03-18 1984-11-16 Stereofonisk fm-radiosendesystem med valgbar kompanding DK165149C (da)

Applications Claiming Priority (4)

Application Number	Priority Date	Filing Date	Title
US47673883		1983-03-18
US06/476,738 US4485483A (en)	1983-03-18	1983-03-18	FM Stereophonic system incorporating companding of difference signal
US8400340		1984-03-05
PCT/US1984/000340 WO1984003807A1 (en)	1983-03-18	1984-03-05	Fm stereophonic radio broadcasting system having s channel companding

Publications (4)

Publication Number	Publication Date
DK545284A DK545284A (da)	1984-11-16
DK545284D0 true DK545284D0 (da)	1984-11-16
DK165149B DK165149B (da)	1992-10-12
DK165149C DK165149C (da)	1993-03-01

Family

ID=23893046

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DK545284A DK165149C (da)	1983-03-18	1984-11-16	Stereofonisk fm-radiosendesystem med valgbar kompanding

Country Status (12)

Country	Link
US (1)	US4485483A (da)
EP (1)	EP0138914B1 (da)
JP (2)	JPS60500933A (da)
KR (1)	KR920002899B1 (da)
AU (1)	AU568356B2 (da)
BR (1)	BR8406450A (da)
CA (1)	CA1220527A (da)
DE (1)	DE3484495D1 (da)
DK (1)	DK165149C (da)
IL (1)	IL71286A (da)
IT (1)	IT1178371B (da)
WO (1)	WO1984003807A1 (da)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO1986004201A1 (en) *	1985-01-04	1986-07-17	Cbs Inc.	Broadcast stereo companding system and apparatus
US4602380A (en) *	1985-01-04	1986-07-22	Cbs Inc.	Compatible transmission techniques for FM stereophonic radio and television
US4602381A (en) *	1985-01-04	1986-07-22	Cbs Inc.	Adaptive expanders for FM stereophonic broadcasting system utilizing companding of difference signal
US4704727A (en) *	1985-11-27	1987-11-03	Beard Terry D	Low noise and distortion FM transmission system and method
US4771464A (en) *	1986-01-30	1988-09-13	Broadcast Technology Partners	FM stereophonic broadcasting system utilizing simultaneous companding and modulation/demodulation
US4852167A (en) *	1987-01-20	1989-07-25	Sanyo Electric Co., Ltd.	FMX stereophonic receiver
US4752955A (en) *	1987-03-25	1988-06-21	Broadcast Technology Partners	FM stereophonic system having improved compatibility in presence of multipath
US4916741A (en) *	1987-03-27	1990-04-10	Sanyo Electric Co., Ltd.	FM/FMX stereophonic receiver
US4751734A (en) *	1987-06-01	1988-06-14	Broadcast Technology Partners	Receiver for FM stereophonic broadcasting system utilizing circuits for reducing effects of multipath
US4769841A (en) *	1987-07-09	1988-09-06	Broadcast Technology Partners	Receiver for compatible FM stereophonic system utilizing companding of difference signal
DE3783037D1 (de) *	1987-08-26	1993-01-21	Itt Ind Gmbh Deutsche	Digitaler demodulator.
US4817151A (en) *	1987-11-09	1989-03-28	Broadcast Technology Partners	Selective decoder for compatible FM stereophonic system utilizing companding of difference signal
JPH0336242U (da) *	1989-08-16	1991-04-09
US5202924A (en) *	1989-12-22	1993-04-13	Allegro Microsystems, Inc.	Stereo FM radio receiver with variable band pass stereo decoder
DE4027399C2 (de) *	1990-08-30	1995-11-30	Blaupunkt Werke Gmbh	UKW-Autoradio
US5119503A (en) *	1991-02-19	1992-06-02	Mankovitz Roy J	Apparatus and methods for broadcasting auxiliary data in an FM stereo broadcast system
US5134719A (en) *	1991-02-19	1992-07-28	Mankovitz Roy J	Apparatus and methods for identifying broadcast audio program selections in an FM stereo broadcast system
US5349386A (en) *	1991-03-07	1994-09-20	Recoton Corporation	Wireless signal transmission systems, methods and apparatus
FR2690582B1 (fr) *	1992-04-22	1994-06-17	Ratia Joel	Dispositif electronique de transmission d'informations audio ou autres utilisant le reseau de distribution electrique comme vecteur.
US5278909A (en) *	1992-06-08	1994-01-11	International Business Machines Corporation	System and method for stereo digital audio compression with co-channel steering
DE4424778C1 (de) *	1994-07-14	1995-11-16	Grundig Emv	Verfahren zur Übertragung und Verfahren zum Empfang von Lokalen Rundfunkprogrammen in einem Gleichwellennetz sowie zugehörige Sender und Empfänger
JP3307138B2 (ja) *	1995-02-27	2002-07-24	ソニー株式会社	信号符号化方法及び装置、並びに信号復号化方法及び装置
US5960390A (en) *	1995-10-05	1999-09-28	Sony Corporation	Coding method for using multi channel audio signals
US5825320A (en) *	1996-03-19	1998-10-20	Sony Corporation	Gain control method for audio encoding device
US6064699A (en) *	1997-07-07	2000-05-16	Golden Eagle Electronics Manufactory Ltd.	Wireless speaker system for transmitting analog and digital information over a single high-frequency channel
IL125059A0 (en) *	1998-06-22	1999-01-26	Shalev Doron	Two-way group communication systems
KR100977198B1 (ko) *	2008-12-29	2010-08-20	(주)해네임	진폭변조신호와 주파수변조신호의 위상차 검출 장치 및 그 방법
TWI433137B (zh)	2009-09-10	2014-04-01	Dolby Int Ab	藉由使用參數立體聲改良調頻立體聲收音機之聲頻信號之設備與方法
EP2477418B1 (en) *	2011-01-12	2014-06-04	Nxp B.V.	Signal processing method

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3067292A (en) *	1958-02-03	1962-12-04	Jerry B Minter	Stereophonic sound transmission and reproduction
DE1160038B (de) *	1960-01-26	1963-12-27	Grundig Max	Verfahren und Vorrichtung zur UEbertragung von zwei oder mehreren Signalen
GB1012160A (en) *	1964-01-29	1965-12-08	Emi Ltd	Improvements relating to stereophonic transmission systems and receivers therefor
DE2051034C3 (de) *	1970-10-17	1978-11-02	Hessischer Rundfunk, 6000 Frankfurt	UKW-Rundfunk-Stereophonie-Übertragungssystem
JPS5113208U (da) *	1974-07-17	1976-01-30
US4376916A (en) *	1980-05-29	1983-03-15	Cbs Inc.	Signal compression and expansion system
US4338491A (en) *	1980-06-04	1982-07-06	Motorola Inc.	Compatible AM stereophonic system

1983
- 1983-03-18 US US06/476,738 patent/US4485483A/en not_active Expired - Fee Related
1984
- 1984-03-05 AU AU26911/84A patent/AU568356B2/en not_active Ceased
- 1984-03-05 JP JP59501292A patent/JPS60500933A/ja active Granted
- 1984-03-05 WO PCT/US1984/000340 patent/WO1984003807A1/en active IP Right Grant
- 1984-03-05 EP EP84901295A patent/EP0138914B1/en not_active Expired - Lifetime
- 1984-03-05 DE DE8484901295T patent/DE3484495D1/de not_active Expired - Lifetime
- 1984-03-05 BR BR8406450A patent/BR8406450A/pt not_active IP Right Cessation
- 1984-03-12 CA CA000449410A patent/CA1220527A/en not_active Expired
- 1984-03-16 IT IT47881/84A patent/IT1178371B/it active
- 1984-03-17 KR KR1019840001376A patent/KR920002899B1/ko not_active IP Right Cessation
- 1984-03-18 IL IL71286A patent/IL71286A/xx not_active IP Right Cessation
- 1984-11-16 DK DK545284A patent/DK165149C/da not_active IP Right Cessation
1989
- 1989-10-25 JP JP1278341A patent/JPH02168747A/ja active Granted

Also Published As

Publication number	Publication date
DK545284A (da)	1984-11-16
KR840008240A (ko)	1984-12-13
JPH0216068B2 (da)	1990-04-16
EP0138914A1 (en)	1985-05-02
IL71286A (en)	1987-10-20
KR920002899B1 (ko)	1992-04-06
DE3484495D1 (de)	1991-05-29
JPH02168747A (ja)	1990-06-28
AU568356B2 (en)	1987-12-24
IT8447881A1 (it)	1985-09-16
IT8447881A0 (it)	1984-03-16
CA1220527A (en)	1987-04-14
IT1178371B (it)	1987-09-09
DK165149C (da)	1993-03-01
EP0138914B1 (en)	1991-04-24
EP0138914A4 (en)	1986-06-11
AU2691184A (en)	1984-10-09
BR8406450A (pt)	1985-03-12
DK165149B (da)	1992-10-12
US4485483A (en)	1984-11-27
IL71286A0 (en)	1984-06-29
JPH0559620B2 (da)	1993-08-31
WO1984003807A1 (en)	1984-09-27
JPS60500933A (ja)	1985-06-20

Publication	Publication Date	Title
DK545284D0 (da)	1984-11-16	Stereofonisk fm-radiosendesystem
DE3484672D1 (de)	1991-07-11	Mobilfunk-uebertragungssystem.
JPS539403A (en)	1978-01-27	Fm stereophonic receiver
DK346084A (da)	1985-01-15	Radiomodtager
DE3367312D1 (en)	1986-12-04	Fm stereo receiver
GB8406550D0 (en)	1984-04-18	Variable radio transmission system
DK18385D0 (da)	1985-01-15	Radiomodtager
DE3483089D1 (de)	1990-10-04	Radiouebertragungssystem.
GB2150792B (en)	1987-05-20	Radio transmission system
DE3379373D1 (en)	1989-04-13	Am stereo receiver
DE3474894D1 (en)	1988-12-01	Radio communication system
EP0122127A3 (en)	1987-04-15	Radio communication system
DE69024258D1 (de)	1996-02-01	FM-Stereoempfänger
KR860005506A (ko)	1986-07-23	Fm 스테레오 수신기
AU3170384A (en)	1985-03-14	Fm stereo transmission
BR8405165A (pt)	1985-08-27	Receptor de radio estereo
DK160389C (da)	1991-08-12	Radiosystem
GB8324666D0 (en)	1983-10-19	Radio receiver
NO844592L (no)	1984-11-16	Stereofonisk fm-radiokringkastingssystem
ATE63022T1 (de)	1991-05-15	Fm-stereo-rundfunksystem mit s-kanal-kompander.
GB8313337D0 (en)	1983-06-22	Radio intruder transmission system
GB8320120D0 (en)	1983-08-24	Radio receivers
PL250357A1 (en)	1986-05-20	Stereophonic radio receiver with headphones

Legal Events

Date	Code	Title	Description
1995-11-27	PBP	Patent lapsed