KR840002491B1 - 신호 압축기 - Google Patents

신호 압축기 Download PDF

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Publication number
KR840002491B1
KR840002491B1 KR1019810002352A KR810002352A KR840002491B1 KR 840002491 B1 KR840002491 B1 KR 840002491B1 KR 1019810002352 A KR1019810002352 A KR 1019810002352A KR 810002352 A KR810002352 A KR 810002352A KR 840002491 B1 KR840002491 B1 KR 840002491B1
Authority
KR
South Korea
Prior art keywords
signal
compressor
frequency
expander
response
Prior art date
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.)
Expired
Application number
KR1019810002352A
Other languages
English (en)
Korean (ko)
Inventor
밀톤 도르비 레이
Original Assignee
밀톤 도르비 레이
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 밀톤 도르비 레이 filed Critical 밀톤 도르비 레이
Priority to KR1019840005735A priority Critical patent/KR840002492B1/ko
Application granted granted Critical
Publication of KR840002491B1 publication Critical patent/KR840002491B1/ko
Expired legal-status Critical Current

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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

Landscapes

  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
KR1019810002352A 1980-06-30 1981-06-30 신호 압축기 Expired KR840002491B1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019840005735A KR840002492B1 (ko) 1980-06-30 1984-09-19 신호 신장기

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US16395080A 1980-06-30 1980-06-30
US18077180A 1980-08-22 1980-08-22
US180,771 1980-08-22

Related Child Applications (1)

Application Number Title Priority Date Filing Date
KR1019840005735A Division KR840002492B1 (ko) 1980-06-30 1984-09-19 신호 신장기

Publications (1)

Publication Number Publication Date
KR840002491B1 true KR840002491B1 (ko) 1984-12-31

Family

ID=26860115

Family Applications (4)

Application Number Title Priority Date Filing Date
KR1019810002352A Expired KR840002491B1 (ko) 1980-06-30 1981-06-30 신호 압축기
KR1019810002351A Expired KR880000106B1 (ko) 1980-06-30 1981-06-30 다이나믹레인지 변화회로장치
KR1019810002350A Expired KR880000105B1 (ko) 1980-06-30 1981-06-30 신호의 동적 범위 변경 시스템
KR1019840005735A Expired KR840002492B1 (ko) 1980-06-30 1984-09-19 신호 신장기

Family Applications After (3)

Application Number Title Priority Date Filing Date
KR1019810002351A Expired KR880000106B1 (ko) 1980-06-30 1981-06-30 다이나믹레인지 변화회로장치
KR1019810002350A Expired KR880000105B1 (ko) 1980-06-30 1981-06-30 신호의 동적 범위 변경 시스템
KR1019840005735A Expired KR840002492B1 (ko) 1980-06-30 1984-09-19 신호 신장기

Country Status (17)

Country Link
KR (4) KR840002491B1 (enrdf_load_stackoverflow)
AT (3) AT372796B (enrdf_load_stackoverflow)
AU (3) AU544888B2 (enrdf_load_stackoverflow)
BR (3) BR8104156A (enrdf_load_stackoverflow)
CH (3) CH654703A5 (enrdf_load_stackoverflow)
DE (3) DE3125789C2 (enrdf_load_stackoverflow)
DK (3) DK168806B1 (enrdf_load_stackoverflow)
ES (3) ES8300233A1 (enrdf_load_stackoverflow)
FI (3) FI74368C (enrdf_load_stackoverflow)
GB (3) GB2079112B (enrdf_load_stackoverflow)
HK (3) HK28285A (enrdf_load_stackoverflow)
IT (3) IT1137987B (enrdf_load_stackoverflow)
MY (3) MY8501147A (enrdf_load_stackoverflow)
NL (3) NL189988C (enrdf_load_stackoverflow)
NO (3) NO157400C (enrdf_load_stackoverflow)
SE (3) SE450985B (enrdf_load_stackoverflow)
SG (3) SG4285G (enrdf_load_stackoverflow)

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
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
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
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 (enrdf_load_stackoverflow) * 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
FI57502C (fi) * 1971-04-06 1980-08-11 Victor Company Of Japan Kompressions- och expansionssystem
GB1432763A (en) * 1972-05-02 1976-04-22 Dolby Laboratories Inc Compressors expanders and noise reduction systems
US3875537A (en) * 1972-05-02 1975-04-01 Dolby Laboratories Inc Circuits for modifying the dynamic range of an input signal
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
DK282981A (da) 1981-12-31
DE3125790A1 (de) 1982-05-13
CH660653A5 (de) 1987-05-15
ES503497A0 (es) 1982-11-01
KR830006993A (ko) 1983-10-12
IT1137987B (it) 1986-09-10
DK172325B1 (da) 1998-03-16
GB2079114A (en) 1982-01-13
ES503493A0 (es) 1982-10-01
FI74368B (fi) 1987-09-30
NL8103122A (nl) 1982-01-18
GB2079113A (en) 1982-01-13
NL189988B (nl) 1993-04-16
DE3125789A1 (de) 1982-05-19
SG4585G (en) 1985-06-14
HK28485A (en) 1985-04-12
NO157400C (no) 1988-03-09
DK168806B1 (da) 1994-06-13
NO812218L (no) 1982-01-04
NO812217L (no) 1982-01-04
AU7239381A (en) 1982-01-07
AT386304B (de) 1988-08-10
DK282581A (da) 1981-12-31
FI76456C (fi) 1988-10-10
DK156356C (da) 1989-12-27
ES8204255A1 (es) 1982-04-16
AT372796B (de) 1983-11-10
KR830006992A (ko) 1983-10-12
AU7239481A (en) 1982-01-07
IT8122651A0 (it) 1981-06-30
HK28385A (en) 1985-04-12
AT386911B (de) 1988-11-10
NO157400B (no) 1987-11-30
AU7236581A (en) 1982-01-07
BR8104158A (pt) 1982-03-16
SE8104061L (sv) 1981-12-31
NO157398B (no) 1987-11-30
NO157399C (no) 1988-03-09
IT8122650A0 (it) 1981-06-30
GB2079112B (en) 1984-10-03
ATA291581A (de) 1983-03-15
NL189988C (nl) 1993-09-16
KR880000105B1 (ko) 1988-02-23
MY8501149A (en) 1985-12-31
KR880000106B1 (ko) 1988-02-23
NL190214C (nl) 1993-12-01
SE8104063L (sv) 1981-12-31
SG4285G (en) 1985-06-14
FI74368C (fi) 1988-01-11
ATA291481A (de) 1987-12-15
NL190214B (nl) 1993-07-01
FI79428C (fi) 1989-12-11
DE3125788A1 (de) 1982-05-13
SE447524B (sv) 1986-11-17
KR840002492B1 (ko) 1984-12-31
ES8300233A1 (es) 1982-10-01
NO157399B (no) 1987-11-30
FI812024L (fi) 1981-12-31
AU544888B2 (en) 1985-06-20
ATA291681A (de) 1988-03-15
AU545125B2 (en) 1985-07-04
CH654703A5 (de) 1986-02-28
AU546641B2 (en) 1985-09-12
MY8501148A (en) 1985-12-31
FI76456B (fi) 1988-06-30
GB2079113B (en) 1984-10-03
IT1137985B (it) 1986-09-10
IT8122652A0 (it) 1981-06-30
GB2079114B (en) 1984-10-03
NO157398C (no) 1988-03-09
SG4385G (en) 1985-06-14
FI812025L (fi) 1981-12-31
NL192652B (nl) 1997-07-01
DE3125788C2 (enrdf_load_stackoverflow) 1992-06-11
NO812216L (no) 1982-01-04
NL192652C (nl) 1997-11-04
ES8301084A1 (es) 1982-11-01
DE3125789C2 (de) 1984-01-12
BR8104157A (pt) 1982-03-16
DE3125790C2 (enrdf_load_stackoverflow) 1992-11-12
MY8501147A (en) 1985-12-31
CH662684A5 (de) 1987-10-15
NL8103124A (nl) 1982-01-18
NL8103123A (nl) 1982-01-18
ES503496A0 (es) 1982-04-16
SE8104062L (sv) 1981-12-31
GB2079112A (en) 1982-01-13
SE447525B (sv) 1986-11-17
SE450985B (sv) 1987-09-07
DK282881A (da) 1981-12-31
DK156356B (da) 1989-08-07
BR8104156A (pt) 1982-03-16
IT1137986B (it) 1986-09-10
FI812026L (fi) 1981-12-31
HK28285A (en) 1985-04-12
FI79428B (fi) 1989-08-31

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Legal Events

Date Code Title Description
PA0109 Patent application

Patent event code: PA01091R01D

Comment text: Patent Application

Patent event date: 19810630

PG1501 Laying open of application
PE0902 Notice of grounds for rejection

Comment text: Notification of reason for refusal

Patent event date: 19840419

Patent event code: PE09021S01D

PG1605 Publication of application before grant of patent

Comment text: Decision on Publication of Application

Patent event code: PG16051S01I

Patent event date: 19841210

PE0701 Decision of registration

Patent event code: PE07011S01D

Comment text: Decision to Grant Registration

Patent event date: 19850314

PR0701 Registration of establishment

Comment text: Registration of Establishment

Patent event date: 19850325

Patent event code: PR07011E01D

PR1002 Payment of registration fee

Payment date: 19850325

End annual number: 3

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Payment date: 19931216

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