NO812218L - CIRCUIT FOR MODIFICATION OF DYNAMICS AREA - Google Patents

CIRCUIT FOR MODIFICATION OF DYNAMICS AREA

Info

Publication number: NO812218L
Authority: NO; Norway
Prior art keywords: modification; circuit; dynamics area; dynamics; area
Prior art date: 1980-06-30

Application number

NO812218A

Other languages

Norwegian (no)

Other versions

NO157400B (en

NO157400C (en

Inventor

Ray Milton Dolby

Original Assignee

Ray Milton Dolby

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.)

1980-06-30

Filing date

1981-06-29

Publication date

1982-01-04

1981-06-29 Application filed by Ray Milton Dolby filed Critical Ray Milton Dolby

1982-01-04 Publication of NO812218L publication Critical patent/NO812218L/en

1987-11-30 Publication of NO157400B publication Critical patent/NO157400B/en

1988-03-09 Publication of NO157400C publication Critical patent/NO157400C/en

Links

Classifications

- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G7/00—Volume compression or expansion in amplifiers
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G9/00—Combinations of two or more types of control, e.g. gain control and tone control
- H03G9/02—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers
- H03G9/12—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers having semiconductor devices
- H03G9/18—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers having semiconductor devices for tone control and volume expansion or compression

NO812218A 1980-06-30 1981-06-29 CONNECTOR FOR MODIFICATION OF THE DYNAMICS AREA OF AN INPUT SIGNAL. NO157400C (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US16395080A	1980-06-30	1980-06-30
US18077180A	1980-08-22	1980-08-22

Publications (3)

Publication Number	Publication Date
NO812218L true NO812218L (en)	1982-01-04
NO157400B NO157400B (en)	1987-11-30
NO157400C NO157400C (en)	1988-03-09

Family

ID=26860115

Family Applications (3)

Application Number	Title	Priority Date	Filing Date
NO812216A NO157398C (en)	1980-06-30	1981-06-29	CLUTCH DEVICE FOR REDUCING MEDIA OVERLOAD EFFECTS ISIGNAL RECORDING AND SIGNAL TRANSFER SYSTEMS
NO812218A NO157400C (en)	1980-06-30	1981-06-29	CONNECTOR FOR MODIFICATION OF THE DYNAMICS AREA OF AN INPUT SIGNAL.
NO812217A NO157399C (en)	1980-06-30	1981-06-29	SIGNAL COMPRESSOR AND CONNECTING SIGNAL EXPANDS FOR USE IN ETSIGNAL TRANSMISSION SYSTEM.

Family Applications Before (1)

Application Number	Title	Priority Date	Filing Date
NO812216A NO157398C (en)	1980-06-30	1981-06-29	CLUTCH DEVICE FOR REDUCING MEDIA OVERLOAD EFFECTS ISIGNAL RECORDING AND SIGNAL TRANSFER SYSTEMS

Family Applications After (1)

Application Number	Title	Priority Date	Filing Date
NO812217A NO157399C (en)	1980-06-30	1981-06-29	SIGNAL COMPRESSOR AND CONNECTING SIGNAL EXPANDS FOR USE IN ETSIGNAL TRANSMISSION SYSTEM.

Country Status (17)

Country	Link
KR (4)	KR880000106B1 (en)
AT (3)	AT386911B (en)
AU (3)	AU546641B2 (en)
BR (3)	BR8104158A (en)
CH (3)	CH654703A5 (en)
DE (3)	DE3125790A1 (en)
DK (3)	DK168806B1 (en)
ES (3)	ES503493A0 (en)
FI (3)	FI79428C (en)
GB (3)	GB2079113B (en)
HK (3)	HK28385A (en)
IT (3)	IT1137985B (en)
MY (3)	MY8501149A (en)
NL (3)	NL190214C (en)
NO (3)	NO157398C (en)
SE (3)	SE447524B (en)
SG (3)	SG4285G (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4736433A (en) *	1985-06-17	1988-04-05	Dolby Ray Milton	Circuit arrangements for modifying dynamic range using action substitution and superposition techniques
US4815068A (en) *	1987-08-07	1989-03-21	Dolby Ray Milton	Audio encoder for use with more than one decoder each having different characteristics
US5651028A (en) *	1995-05-09	1997-07-22	Unisys Corporation	Data transmission system with a low peak-to-average power ratio based on distorting frequently occuring signals
US5793797A (en) *	1995-05-09	1998-08-11	Unisys Corporation	Data transmisson system with a low peak-to-average power ratio based on distorting small amplitude signals
DE10011193B4 (en) *	2000-03-08	2004-02-05	Sennheiser Electronic Gmbh & Co. Kg	Compander system with a compressor circuit and an expander circuit

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US28426A (en) *		1860-05-22		Shortening tires
US2558002A (en) *	1939-10-24	1951-06-26	Int Standard Electric Corp	Volume compression system
US3022473A (en) *	1959-08-18	1962-02-20	Bell Telephone Labor Inc	Signal recovery circuits
GB1253031A (en) *	1968-01-10	1971-11-10
US3903485A (en) *	1968-01-10	1975-09-02	Ray Milton Dolby	Compressors, expanders and noise reduction systems
US3846719A (en) *	1973-09-13	1974-11-05	Dolby Laboratories Inc	Noise reduction systems
USRE28426E (en) *	1968-11-01	1975-05-20		Signal compressors and expanders
US3757254A (en) *	1970-06-05	1973-09-04	Victor Co Ltd	N system noise reduction system and apparatus using a compression and expansio
GB1390341A (en) *	1971-03-12	1975-04-09	Dolby Laboratories Inc	Signal compressors and expanders
GB1367002A (en) *	1971-04-06	1974-09-18	Victor Company Of Japan	Compression and/or expansion system and circuit
US3875537A (en) *	1972-05-02	1975-04-01	Dolby Laboratories Inc	Circuits for modifying the dynamic range of an input signal
GB1432763A (en) *	1972-05-02	1976-04-22	Dolby Laboratories Inc	Compressors expanders and noise reduction systems
US3934190A (en) *	1972-09-15	1976-01-20	Dolby Laboratories, Inc.	Signal compressors and expanders
US3909733A (en) *	1973-05-17	1975-09-30	Dolby Laboratories Inc	Dynamic range modifying circuits utilizing variable negative resistance
US3971405A (en) *	1974-07-15	1976-07-27	Parker-Hannifin Corporation	Pressure controlled hydrant valve coupler
US3930208A (en) *	1974-08-29	1975-12-30	Northern Electric Co	A-C signal processing circuits for compandors
US3902131A (en) *	1974-09-06	1975-08-26	Quadracast Systems	Tandem audio dynamic range expander
JPS51127608A (en) *	1975-04-30	1976-11-06	Victor Co Of Japan Ltd	Signal transmitting unit
US4061874A (en) *	1976-06-03	1977-12-06	Fricke J P	System for reproducing sound information
DE2803751C2 (en) *	1978-01-28	1982-06-09	Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt	Circuit for automatic dynamic compression or expansion
JPS5552971A (en) *	1978-10-16	1980-04-17	Mitsubishi Electric Corp	Simulator for radar indicator

1981
- 1981-06-26 DK DK282981A patent/DK168806B1/en not_active IP Right Cessation
- 1981-06-26 DK DK282881A patent/DK172325B1/en not_active IP Right Cessation
- 1981-06-26 DK DK282581A patent/DK156356C/en not_active IP Right Cessation
- 1981-06-29 SE SE8104061A patent/SE447524B/en not_active IP Right Cessation
- 1981-06-29 SE SE8104062A patent/SE450985B/en not_active IP Right Cessation
- 1981-06-29 SE SE8104063A patent/SE447525B/en not_active IP Right Cessation
- 1981-06-29 FI FI812025A patent/FI79428C/en not_active IP Right Cessation
- 1981-06-29 NL NLAANVRAGE8103122,A patent/NL190214C/en not_active IP Right Cessation
- 1981-06-29 ES ES503493A patent/ES503493A0/en active Granted
- 1981-06-29 NO NO812216A patent/NO157398C/en not_active IP Right Cessation
- 1981-06-29 NO NO812218A patent/NO157400C/en not_active IP Right Cessation
- 1981-06-29 FI FI812024A patent/FI74368C/en not_active IP Right Cessation
- 1981-06-29 FI FI812026A patent/FI76456C/en not_active IP Right Cessation
- 1981-06-29 ES ES503497A patent/ES503497A0/en active Granted
- 1981-06-29 GB GB8119973A patent/GB2079113B/en not_active Expired
- 1981-06-29 NL NL8103123A patent/NL192652C/en not_active IP Right Cessation
- 1981-06-29 NO NO812217A patent/NO157399C/en not_active IP Right Cessation
- 1981-06-29 NL NLAANVRAGE8103124,A patent/NL189988C/en not_active IP Right Cessation
- 1981-06-29 GB GB8119972A patent/GB2079112B/en not_active Expired
- 1981-06-29 GB GB8119974A patent/GB2079114B/en not_active Expired
- 1981-06-29 ES ES503496A patent/ES8204255A1/en not_active Expired
- 1981-06-30 AT AT0291681A patent/AT386911B/en not_active IP Right Cessation
- 1981-06-30 CH CH4293/81A patent/CH654703A5/en not_active IP Right Cessation
- 1981-06-30 AT AT0291581A patent/AT372796B/en not_active IP Right Cessation
- 1981-06-30 KR KR1019810002351A patent/KR880000106B1/en active
- 1981-06-30 AT AT0291481A patent/AT386304B/en not_active IP Right Cessation
- 1981-06-30 DE DE19813125790 patent/DE3125790A1/en active Granted
- 1981-06-30 IT IT22650/81A patent/IT1137985B/en active
- 1981-06-30 BR BR8104158A patent/BR8104158A/en not_active IP Right Cessation
- 1981-06-30 IT IT22651/81A patent/IT1137986B/en active
- 1981-06-30 CH CH4292/81A patent/CH662684A5/en not_active IP Right Cessation
- 1981-06-30 BR BR8104157A patent/BR8104157A/en not_active IP Right Cessation
- 1981-06-30 AU AU72365/81A patent/AU546641B2/en not_active Expired
- 1981-06-30 CH CH4294/81A patent/CH660653A5/en not_active IP Right Cessation
- 1981-06-30 DE DE3125789A patent/DE3125789C2/en not_active Expired
- 1981-06-30 KR KR1019810002352A patent/KR840002491B1/en active
- 1981-06-30 AU AU72393/81A patent/AU544888B2/en not_active Expired
- 1981-06-30 AU AU72394/81A patent/AU545125B2/en not_active Expired
- 1981-06-30 IT IT22652/81A patent/IT1137987B/en active
- 1981-06-30 BR BR8104156A patent/BR8104156A/en not_active IP Right Cessation
- 1981-06-30 DE DE19813125788 patent/DE3125788A1/en active Granted
- 1981-06-30 KR KR1019810002350A patent/KR880000105B1/en active
1984
- 1984-09-19 KR KR1019840005735A patent/KR840002492B1/en not_active IP Right Cessation
1985
- 1985-01-16 SG SG42/85A patent/SG4285G/en unknown
- 1985-01-16 SG SG43/85A patent/SG4385G/en unknown
- 1985-01-16 SG SG45/85A patent/SG4585G/en unknown
- 1985-04-04 HK HK283/85A patent/HK28385A/en not_active IP Right Cessation
- 1985-04-04 HK HK284/85A patent/HK28485A/en not_active IP Right Cessation
- 1985-04-04 HK HK282/85A patent/HK28285A/en not_active IP Right Cessation
- 1985-12-30 MY MY1149/85A patent/MY8501149A/en unknown
- 1985-12-30 MY MY1148/85A patent/MY8501148A/en unknown
- 1985-12-30 MY MY1147/85A patent/MY8501147A/en unknown

Also Published As

Publication number	Publication date
MY8501149A (en)	1985-12-31
DE3125790A1 (en)	1982-05-13
NO812216L (en)	1982-01-04
ES503496A0 (en)	1982-04-16
CH654703A5 (en)	1986-02-28
AU7239381A (en)	1982-01-07
DE3125788A1 (en)	1982-05-13
AT386911B (en)	1988-11-10
NL8103124A (en)	1982-01-18
IT8122650A0 (en)	1981-06-30
FI79428C (en)	1989-12-11
AU545125B2 (en)	1985-07-04
GB2079114A (en)	1982-01-13
NO157398B (en)	1987-11-30
BR8104156A (en)	1982-03-16
DE3125790C2 (en)	1992-11-12
GB2079113A (en)	1982-01-13
DE3125788C2 (en)	1992-06-11
DK282581A (en)	1981-12-31
SE450985B (en)	1987-09-07
HK28285A (en)	1985-04-12
FI74368C (en)	1988-01-11
FI812026L (en)	1981-12-31
GB2079112A (en)	1982-01-13
SG4285G (en)	1985-06-14
NL190214B (en)	1993-07-01
ATA291681A (en)	1988-03-15
DK282881A (en)	1981-12-31
NO812217L (en)	1982-01-04
KR830006992A (en)	1983-10-12
FI79428B (en)	1989-08-31
GB2079113B (en)	1984-10-03
NL8103123A (en)	1982-01-18
DK168806B1 (en)	1994-06-13
GB2079114B (en)	1984-10-03
SE8104063L (en)	1981-12-31
IT1137985B (en)	1986-09-10
SE8104061L (en)	1981-12-31
KR840002492B1 (en)	1984-12-31
ES8204255A1 (en)	1982-04-16
IT1137986B (en)	1986-09-10
NO157398C (en)	1988-03-09
DK172325B1 (en)	1998-03-16
ATA291481A (en)	1987-12-15
NL189988C (en)	1993-09-16
NL192652B (en)	1997-07-01
DK156356B (en)	1989-08-07
CH660653A5 (en)	1987-05-15
KR840002491B1 (en)	1984-12-31
ES8301084A1 (en)	1982-11-01
NO157400B (en)	1987-11-30
HK28485A (en)	1985-04-12
FI74368B (en)	1987-09-30
IT8122651A0 (en)	1981-06-30
AU544888B2 (en)	1985-06-20
ES503497A0 (en)	1982-11-01
AU7236581A (en)	1982-01-07
BR8104158A (en)	1982-03-16
SE447524B (en)	1986-11-17
SE8104062L (en)	1981-12-31
NL8103122A (en)	1982-01-18
NL190214C (en)	1993-12-01
IT1137987B (en)	1986-09-10
ATA291581A (en)	1983-03-15
AT386304B (en)	1988-08-10
ES8300233A1 (en)	1982-10-01
MY8501147A (en)	1985-12-31
FI76456B (en)	1988-06-30
AT372796B (en)	1983-11-10
SE447525B (en)	1986-11-17
FI812024L (en)	1981-12-31
CH662684A5 (en)	1987-10-15
NL189988B (en)	1993-04-16
ES503493A0 (en)	1982-10-01
HK28385A (en)	1985-04-12
AU7239481A (en)	1982-01-07
SG4385G (en)	1985-06-14
DK156356C (en)	1989-12-27
DE3125789C2 (en)	1984-01-12
KR830006993A (en)	1983-10-12
BR8104157A (en)	1982-03-16
NO157399C (en)	1988-03-09
NO157399B (en)	1987-11-30
MY8501148A (en)	1985-12-31
AU546641B2 (en)	1985-09-12
DE3125789A1 (en)	1982-05-19
FI76456C (en)	1988-10-10
DK282981A (en)	1981-12-31
SG4585G (en)	1985-06-14
FI812025L (en)	1981-12-31
KR880000106B1 (en)	1988-02-23
IT8122652A0 (en)	1981-06-30
NO157400C (en)	1988-03-09
KR880000105B1 (en)	1988-02-23
NL192652C (en)	1997-11-04
GB2079112B (en)	1984-10-03

Legal Events

Date	Code	Title	Description
2001-08-13	MK1K	Patent expired	Free format text: EXPIRED IN JUNE 2001

Publication	Publication Date	Title
FI803851L (en)	1981-07-11	ANORDINATION OF THE VINDENERGIN FOR THE REGISTRATION OF THE VINDKRAFTVERK
NO843718L (en)	1981-09-25	PROCEDURE FOR DIVOLUTION OF DOUBLE-TREED DNA
FI811217L (en)	1981-10-23	VINDTURBIN FOERSEDD MED EN STOERNINGSISOLERING AV EN TRANSMISSIONSANLAEGGNING
DOP1981004105A (en)	1988-04-05	NEW DERIVATIVES OF N-ARYLBENZAMIDE
FI813174L (en)	1982-04-22	FOERFARANDE FOER FRAMSTAELLNING AV NOETTER MED LAOG FETTHALT
FI813279L (en)	1982-04-22	FRAMEWORK FOR THE FRAMEWORK OF AZABICYCLO-OCTAN-CARBOLXYLSYROR
FI813648L (en)	1982-05-20	RENING AV CELLULOSA- OCH STAERKELSEETRAR
FI803559L (en)	1981-07-11	SUSPENSION FOR AVDRAG AV VAETSKA FRAON SUSPENSIONER I ROERELSE
FI811197L (en)	1981-10-22	ANORDINATION OF FASTSAETTNING AV EN SKIDSKO VID EN SKIDA
DOP1981003010A (en)	1986-10-23	NEW DERIVATIVES OF ISOXAZOLYLIMIDAZOLIDINONE
FI813527L (en)	1982-05-11	MACROIDANTIBIOTICS OF FOERBAETTRADE
FI811176L (en)	1981-10-18	FREQUENCY REQUIREMENT FOR FLUORING
FI812240L (en)	1982-01-19	MASSUPPLOESARE FOR FRAMSTAELLNING AV PAPPERSMASSASUSPENSIONER
FI811742L (en)	1981-12-06	FOERFARANDE FOER RENING AV P-AMINOFENOL
FI802438A (en)	1982-02-05	GASBLAOSROER FOER INMATNING AV REAKTIONSAEMNEN I METALLURGICAL SMAELTOR
FI833648A (en)	1984-04-09	PROCEDURE FOR FRAMSTATION OF AV 4-METHYL-5-ALKYLTHIOMETHYLIMIDAZOLER
NO812218L (en)	1982-01-04	CIRCUIT FOR MODIFICATION OF DYNAMICS AREA
DK103081A (en)	1981-09-11	AMPLIFIER CIRCUIT
FI811545L (en)	1981-11-23	MATRISSKRIVARE MED AUTOMATISK REGLERING AV TRYCKHUVUDET
FI811555L (en)	1981-11-24	MATRISTRYCKARE MED MAGNETISK INSTAELLNING AV TRYCKHUVUDET
FI810016L (en)	1981-08-19	FORM FRAMSTAELLNING AV (2-AMINOTIAZOL-4-YL) ACETYXYRAHYDROCHLORIDE
FI811522L (en)	1981-11-20	VINDTURBIN MED TRIMNING AV VINKELVRIDNINGEN
FI822479L (en)	1982-07-12	ANORDINATION FOR UPPER PROCESSING OF TRACTORS
FI822854A0 (en)	1982-08-17	ANORDNING FOER HANTERING AV PACKOR MED LAONGSTRAECKT GODS SAERSKILT TRAEVAROR
DK575681A (en)	1983-06-02	CIRCUIT ARRANGEMENTS FOR MODIFICATION OF DYNAMIC AREA