ES503496A0 - A SIGNAL COMPRESSOR DEVICE - Google Patents

A SIGNAL COMPRESSOR DEVICE

Info

Publication number: ES503496A0
Authority: ES; Spain
Prior art keywords: compressor device; signal compressor; signal; compressor
Prior art date: 1980-06-30
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.): Granted

Application number

ES503496A

Other languages

Spanish (es)

Other versions

ES8204255A1 (en

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.)

Individual

Original Assignee

Individual

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

1982-04-16

1981-06-29 Application filed by Individual filed Critical Individual

1982-04-16 Publication of ES503496A0 publication Critical patent/ES503496A0/en

1982-04-16 Publication of ES8204255A1 publication Critical patent/ES8204255A1/en

Status Expired legal-status Critical Current

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

ES503496A 1980-06-30 1981-06-29 Circuit arrangement for modifying dynamic range Expired ES8204255A1 (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 (2)

Publication Number	Publication Date
ES503496A0 true ES503496A0 (en)	1982-04-16
ES8204255A1 ES8204255A1 (en)	1982-04-16

Family

ID=26860115

Family Applications (3)

Application Number	Title	Priority Date	Filing Date
ES503493A Expired ES8300233A1 (en)	1980-06-30	1981-06-29	Circuit arrangement for modifying dynamic range
ES503497A Expired ES8301084A1 (en)	1980-06-30	1981-06-29	Circuit arrangement for modifying dynamic range
ES503496A Expired ES8204255A1 (en)	1980-06-30	1981-06-29	Circuit arrangement for modifying dynamic range

Family Applications Before (2)

Application Number	Title	Priority Date	Filing Date
ES503493A Expired ES8300233A1 (en)	1980-06-30	1981-06-29	Circuit arrangement for modifying dynamic range
ES503497A Expired ES8301084A1 (en)	1980-06-30	1981-06-29	Circuit arrangement for modifying dynamic range

Country Status (17)

Country	Link
KR (4)	KR880000105B1 (en)
AT (3)	AT372796B (en)
AU (3)	AU546641B2 (en)
BR (3)	BR8104158A (en)
CH (3)	CH662684A5 (en)
DE (3)	DE3125789C2 (en)
DK (3)	DK168806B1 (en)
ES (3)	ES8300233A1 (en)
FI (3)	FI76456C (en)
GB (3)	GB2079114B (en)
HK (3)	HK28385A (en)
IT (3)	IT1137985B (en)
MY (3)	MY8501148A (en)
NL (3)	NL190214C (en)
NO (3)	NO157399C (en)
SE (3)	SE450985B (en)
SG (3)	SG4585G (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
US3903485A (en) *	1968-01-10	1975-09-02	Ray Milton Dolby	Compressors, expanders and noise reduction systems
GB1253031A (en) *	1968-01-10	1971-11-10
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
FI57502C (en) *	1971-04-06	1980-08-11	Victor Company Of Japan	KOMPRESSIONS- OCH EXPANSIONSSYSTEM
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 SE8104062A patent/SE450985B/en not_active IP Right Cessation
- 1981-06-29 ES ES503493A patent/ES8300233A1/en not_active Expired
- 1981-06-29 NL NLAANVRAGE8103122,A patent/NL190214C/en not_active IP Right Cessation
- 1981-06-29 GB GB8119974A patent/GB2079114B/en not_active Expired
- 1981-06-29 SE SE8104063A patent/SE447525B/en not_active IP Right Cessation
- 1981-06-29 NO NO812217A patent/NO157399C/en not_active IP Right Cessation
- 1981-06-29 GB GB8119973A patent/GB2079113B/en not_active Expired
- 1981-06-29 ES ES503497A patent/ES8301084A1/en not_active Expired
- 1981-06-29 FI FI812026A patent/FI76456C/en not_active IP Right Cessation
- 1981-06-29 SE SE8104061A patent/SE447524B/en not_active IP Right Cessation
- 1981-06-29 FI FI812024A patent/FI74368C/en not_active IP Right Cessation
- 1981-06-29 NL NLAANVRAGE8103124,A patent/NL189988C/en not_active IP Right Cessation
- 1981-06-29 ES ES503496A patent/ES8204255A1/en not_active Expired
- 1981-06-29 NO NO812218A patent/NO157400C/en not_active IP Right Cessation
- 1981-06-29 NL NL8103123A patent/NL192652C/en not_active IP Right Cessation
- 1981-06-29 NO NO812216A patent/NO157398C/en not_active IP Right Cessation
- 1981-06-29 FI FI812025A patent/FI79428C/en not_active IP Right Cessation
- 1981-06-29 GB GB8119972A patent/GB2079112B/en not_active Expired
- 1981-06-30 DE DE3125789A patent/DE3125789C2/en not_active Expired
- 1981-06-30 DE DE19813125790 patent/DE3125790A1/en active Granted
- 1981-06-30 BR BR8104158A patent/BR8104158A/en not_active IP Right Cessation
- 1981-06-30 AU AU72365/81A patent/AU546641B2/en not_active Expired
- 1981-06-30 BR BR8104157A patent/BR8104157A/en not_active IP Right Cessation
- 1981-06-30 AT AT0291581A patent/AT372796B/en not_active IP Right Cessation
- 1981-06-30 CH CH4292/81A patent/CH662684A5/en not_active IP Right Cessation
- 1981-06-30 KR KR1019810002350A patent/KR880000105B1/en active
- 1981-06-30 KR KR1019810002351A patent/KR880000106B1/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 AT AT0291681A patent/AT386911B/en not_active IP Right Cessation
- 1981-06-30 AT AT0291481A patent/AT386304B/en not_active IP Right Cessation
- 1981-06-30 CH CH4294/81A patent/CH660653A5/en not_active IP Right Cessation
- 1981-06-30 AU AU72394/81A patent/AU545125B2/en not_active Expired
- 1981-06-30 IT IT22650/81A patent/IT1137985B/en active
- 1981-06-30 IT IT22652/81A patent/IT1137987B/en active
- 1981-06-30 AU AU72393/81A patent/AU544888B2/en not_active Expired
- 1981-06-30 CH CH4293/81A patent/CH654703A5/en not_active IP Right Cessation
- 1981-06-30 IT IT22651/81A patent/IT1137986B/en active
- 1981-06-30 KR KR1019810002352A patent/KR840002491B1/en active
1984
- 1984-09-19 KR KR1019840005735A patent/KR840002492B1/en not_active IP Right Cessation
1985
- 1985-01-16 SG SG45/85A patent/SG4585G/en unknown
- 1985-01-16 SG SG42/85A patent/SG4285G/en unknown
- 1985-01-16 SG SG43/85A patent/SG4385G/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 MY1148/85A patent/MY8501148A/en unknown
- 1985-12-30 MY MY1149/85A patent/MY8501149A/en unknown
- 1985-12-30 MY MY1147/85A patent/MY8501147A/en unknown

Also Published As

Publication number	Publication date
MY8501148A (en)	1985-12-31
DK156356C (en)	1989-12-27
DK282981A (en)	1981-12-31
IT1137985B (en)	1986-09-10
DE3125789C2 (en)	1984-01-12
NO157399C (en)	1988-03-09
NL192652C (en)	1997-11-04
CH654703A5 (en)	1986-02-28
KR840002491B1 (en)	1984-12-31
KR830006992A (en)	1983-10-12
NO812217L (en)	1982-01-04
DE3125788C2 (en)	1992-06-11
IT8122652A0 (en)	1981-06-30
DK282881A (en)	1981-12-31
ATA291481A (en)	1987-12-15
DK168806B1 (en)	1994-06-13
NO157400C (en)	1988-03-09
FI812025L (en)	1981-12-31
SE447525B (en)	1986-11-17
FI74368B (en)	1987-09-30
DE3125789A1 (en)	1982-05-19
SG4285G (en)	1985-06-14
HK28385A (en)	1985-04-12
NL8103123A (en)	1982-01-18
GB2079113A (en)	1982-01-13
ES503493A0 (en)	1982-10-01
NL192652B (en)	1997-07-01
SE450985B (en)	1987-09-07
IT1137986B (en)	1986-09-10
AU7239481A (en)	1982-01-07
GB2079113B (en)	1984-10-03
HK28485A (en)	1985-04-12
GB2079114A (en)	1982-01-13
NO812218L (en)	1982-01-04
FI76456B (en)	1988-06-30
BR8104157A (en)	1982-03-16
SE8104061L (en)	1981-12-31
AT372796B (en)	1983-11-10
GB2079112B (en)	1984-10-03
DE3125790A1 (en)	1982-05-13
NO157398B (en)	1987-11-30
BR8104158A (en)	1982-03-16
NO157399B (en)	1987-11-30
ES503497A0 (en)	1982-11-01
SE8104063L (en)	1981-12-31
FI74368C (en)	1988-01-11
KR880000105B1 (en)	1988-02-23
AU545125B2 (en)	1985-07-04
NO157400B (en)	1987-11-30
FI812026L (en)	1981-12-31
DE3125788A1 (en)	1982-05-13
KR830006993A (en)	1983-10-12
NL190214B (en)	1993-07-01
NO812216L (en)	1982-01-04
DE3125790C2 (en)	1992-11-12
BR8104156A (en)	1982-03-16
FI76456C (en)	1988-10-10
ES8301084A1 (en)	1982-11-01
CH662684A5 (en)	1987-10-15
GB2079112A (en)	1982-01-13
IT8122650A0 (en)	1981-06-30
DK156356B (en)	1989-08-07
FI812024L (en)	1981-12-31
ES8204255A1 (en)	1982-04-16
AU7236581A (en)	1982-01-07
NL8103122A (en)	1982-01-18
AU546641B2 (en)	1985-09-12
FI79428C (en)	1989-12-11
CH660653A5 (en)	1987-05-15
SE447524B (en)	1986-11-17
ATA291581A (en)	1983-03-15
SE8104062L (en)	1981-12-31
SG4385G (en)	1985-06-14
IT1137987B (en)	1986-09-10
AT386911B (en)	1988-11-10
NL190214C (en)	1993-12-01
AT386304B (en)	1988-08-10
MY8501147A (en)	1985-12-31
IT8122651A0 (en)	1981-06-30
HK28285A (en)	1985-04-12
DK172325B1 (en)	1998-03-16
NL189988B (en)	1993-04-16
NL8103124A (en)	1982-01-18
DK282581A (en)	1981-12-31
NL189988C (en)	1993-09-16
KR840002492B1 (en)	1984-12-31
AU7239381A (en)	1982-01-07
GB2079114B (en)	1984-10-03
KR880000106B1 (en)	1988-02-23
ATA291681A (en)	1988-03-15
SG4585G (en)	1985-06-14
AU544888B2 (en)	1985-06-20
MY8501149A (en)	1985-12-31
FI79428B (en)	1989-08-31
ES8300233A1 (en)	1982-10-01
NO157398C (en)	1988-03-09

Publication	Publication Date	Title
AR229352A1 (en)	1983-07-29	COMPRESSOR
ES499962A0 (en)	1981-12-16	A DISPLAY DEVICE
ES498283A0 (en)	1982-02-16	A TRANSPORTER-DISTRIBUTOR DEVICE
DK340481A (en)	1982-02-05	A device
BR8104630A (en)	1982-04-06	HERMETIC COMPRESSOR
BR8102457A (en)	1982-01-05	COMPRESSED GAS SAVING DEVICE
DE3021873A1 (en)	1982-04-22	VIBRATION COMPRESSORS
IT1144419B (en)	1986-10-29	COMPRESSED GAS SWITCH
KR830004135U (en)	1983-12-30	Hermetic compressor
AR223758A1 (en)	1981-09-15	ROTARY COMPRESSOR
AT374960B (en)	1984-06-25	REFRIGERATION
ES498647A0 (en)	1982-04-01	A PERFECTED COMPRESSOR
ES503496A0 (en)	1982-04-16	A SIGNAL COMPRESSOR DEVICE
ES527875A0 (en)	1984-09-01	A DISPLAY DEVICE
BE890953A (en)	1982-05-03	COMPRESSOR
AR227428A1 (en)	1982-10-29	A TACHOMETER DEVICE
GB2076263B (en)	1984-03-28	Switchable signal compressor/signal expander
IT1138616B (en)	1986-09-17	CENTRIFUGAL COMPRESSOR
GB2088947B (en)	1983-10-26	Sound damping device for a compressor
DK74781A (en)	1981-08-21	COMPRESSOR
DK77681A (en)	1981-08-24	COMPRESSOR
ES539069A0 (en)	1986-12-16	A CONDITION EXPANSION DEVICE
ES272427Y (en)	1984-07-16	A REFRIGERATION DEVICE.
IT1108273B (en)	1985-12-02	COMPRESSOR FRAUD
JPS56134693A (en)	1981-10-21	Soundproofing device of compressor

Legal Events

Date	Code	Title	Description
2007-12-16	FD1A	Patent lapsed	Effective date: 20020218