IT1137987B - Dispositivo per modificare la dinamica di un segnale elettrico - Google Patents

Dispositivo per modificare la dinamica di un segnale elettrico

Info

Publication number
IT1137987B
IT1137987B IT22652/81A IT2265281A IT1137987B IT 1137987 B IT1137987 B IT 1137987B IT 22652/81 A IT22652/81 A IT 22652/81A IT 2265281 A IT2265281 A IT 2265281A IT 1137987 B IT1137987 B IT 1137987B
Authority
IT
Italy
Prior art keywords
dynamics
modify
electric signal
electric
signal
Prior art date
Application number
IT22652/81A
Other languages
English (en)
Italian (it)
Other versions
IT8122652A0 (it
Inventor
Dolby Ray Milton
Original Assignee
Dolby Ray Milton
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 Dolby Ray Milton filed Critical Dolby Ray Milton
Publication of IT8122652A0 publication Critical patent/IT8122652A0/it
Application granted granted Critical
Publication of IT1137987B publication Critical patent/IT1137987B/it

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
IT22652/81A 1980-06-30 1981-06-30 Dispositivo per modificare la dinamica di un segnale elettrico IT1137987B (it)

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
IT8122652A0 IT8122652A0 (it) 1981-06-30
IT1137987B true IT1137987B (it) 1986-09-10

Family

ID=26860115

Family Applications (3)

Application Number Title Priority Date Filing Date
IT22650/81A IT1137985B (it) 1980-06-30 1981-06-30 Dispositivo per la soppressione degli effetti di modulazione a frequenza intermedia nei compressori,negli espansori,e net sistemi per la riduzione del rumore
IT22651/81A IT1137986B (it) 1980-06-30 1981-06-30 Dispositivo per la riduzione degli effetti di saturazione nei sistemi per la registrazione e la trasmissione di segnali
IT22652/81A IT1137987B (it) 1980-06-30 1981-06-30 Dispositivo per modificare la dinamica di un segnale elettrico

Family Applications Before (2)

Application Number Title Priority Date Filing Date
IT22650/81A IT1137985B (it) 1980-06-30 1981-06-30 Dispositivo per la soppressione degli effetti di modulazione a frequenza intermedia nei compressori,negli espansori,e net sistemi per la riduzione del rumore
IT22651/81A IT1137986B (it) 1980-06-30 1981-06-30 Dispositivo per la riduzione degli effetti di saturazione nei sistemi per la registrazione e la trasmissione di segnali

Country Status (17)

Country Link
KR (4) KR880000105B1 (es)
AT (3) AT386911B (es)
AU (3) AU546641B2 (es)
BR (3) BR8104157A (es)
CH (3) CH662684A5 (es)
DE (3) DE3125788A1 (es)
DK (3) DK168806B1 (es)
ES (3) ES503496A0 (es)
FI (3) FI74368C (es)
GB (3) GB2079112B (es)
HK (3) HK28485A (es)
IT (3) IT1137985B (es)
MY (3) MY8501149A (es)
NL (3) NL190214C (es)
NO (3) NO157399C (es)
SE (3) SE450985B (es)
SG (3) SG4585G (es)

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 (de) * 2000-03-08 2004-02-05 Sennheiser Electronic Gmbh & Co. Kg Kompandersystem mit einer Kompressorschaltung und einer Expanderschaltung

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
US3846719A (en) * 1973-09-13 1974-11-05 Dolby Laboratories Inc Noise reduction systems
US3903485A (en) * 1968-01-10 1975-09-02 Ray Milton Dolby Compressors, expanders and noise reduction systems
GB1253031A (es) * 1968-01-10 1971-11-10
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 (de) * 1978-01-28 1982-06-09 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Schaltung zur automatischen Dynamik- Kompression oder -Expansion
JPS5552971A (en) * 1978-10-16 1980-04-17 Mitsubishi Electric Corp Simulator for radar indicator

Also Published As

Publication number Publication date
NO157399C (no) 1988-03-09
DE3125790C2 (es) 1992-11-12
FI812026L (fi) 1981-12-31
DE3125789A1 (de) 1982-05-19
FI812024L (fi) 1981-12-31
FI74368C (fi) 1988-01-11
KR880000105B1 (ko) 1988-02-23
ES8300233A1 (es) 1982-10-01
SE8104063L (sv) 1981-12-31
ES8204255A1 (es) 1982-04-16
MY8501147A (en) 1985-12-31
FI79428C (fi) 1989-12-11
IT8122651A0 (it) 1981-06-30
DK172325B1 (da) 1998-03-16
NL190214B (nl) 1993-07-01
KR840002491B1 (ko) 1984-12-31
DK282581A (da) 1981-12-31
NL190214C (nl) 1993-12-01
SG4385G (en) 1985-06-14
NO157398B (no) 1987-11-30
MY8501148A (en) 1985-12-31
AU546641B2 (en) 1985-09-12
AU7236581A (en) 1982-01-07
ES8301084A1 (es) 1982-11-01
HK28385A (en) 1985-04-12
DE3125790A1 (de) 1982-05-13
ATA291681A (de) 1988-03-15
FI74368B (fi) 1987-09-30
SE447525B (sv) 1986-11-17
NL8103124A (nl) 1982-01-18
DE3125788A1 (de) 1982-05-13
MY8501149A (en) 1985-12-31
NL8103122A (nl) 1982-01-18
NL8103123A (nl) 1982-01-18
FI812025L (fi) 1981-12-31
AU7239381A (en) 1982-01-07
KR880000106B1 (ko) 1988-02-23
SG4285G (en) 1985-06-14
AU7239481A (en) 1982-01-07
CH660653A5 (de) 1987-05-15
GB2079112A (en) 1982-01-13
GB2079113B (en) 1984-10-03
NO812218L (no) 1982-01-04
NL192652C (nl) 1997-11-04
GB2079113A (en) 1982-01-13
NL189988B (nl) 1993-04-16
ES503496A0 (es) 1982-04-16
IT8122652A0 (it) 1981-06-30
NO157400B (no) 1987-11-30
DE3125789C2 (de) 1984-01-12
DE3125788C2 (es) 1992-06-11
DK282881A (da) 1981-12-31
AU544888B2 (en) 1985-06-20
BR8104157A (pt) 1982-03-16
AT372796B (de) 1983-11-10
BR8104156A (pt) 1982-03-16
GB2079114B (en) 1984-10-03
HK28285A (en) 1985-04-12
ATA291481A (de) 1987-12-15
ES503497A0 (es) 1982-11-01
DK282981A (da) 1981-12-31
NL189988C (nl) 1993-09-16
IT8122650A0 (it) 1981-06-30
FI76456B (fi) 1988-06-30
SE8104062L (sv) 1981-12-31
GB2079114A (en) 1982-01-13
NO157398C (no) 1988-03-09
NO157400C (no) 1988-03-09
ES503493A0 (es) 1982-10-01
SE8104061L (sv) 1981-12-31
BR8104158A (pt) 1982-03-16
KR830006993A (ko) 1983-10-12
SG4585G (en) 1985-06-14
KR830006992A (ko) 1983-10-12
IT1137986B (it) 1986-09-10
FI79428B (fi) 1989-08-31
ATA291581A (de) 1983-03-15
AT386304B (de) 1988-08-10
NL192652B (nl) 1997-07-01
CH662684A5 (de) 1987-10-15
NO812217L (no) 1982-01-04
AU545125B2 (en) 1985-07-04
DK156356C (da) 1989-12-27
NO812216L (no) 1982-01-04
FI76456C (fi) 1988-10-10
SE450985B (sv) 1987-09-07
DK168806B1 (da) 1994-06-13
DK156356B (da) 1989-08-07
NO157399B (no) 1987-11-30
AT386911B (de) 1988-11-10
SE447524B (sv) 1986-11-17
HK28485A (en) 1985-04-12
IT1137985B (it) 1986-09-10
KR840002492B1 (ko) 1984-12-31
GB2079112B (en) 1984-10-03
CH654703A5 (de) 1986-02-28

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970628