FI812024L - Kretsarrangemang foer modifiering av dynamiskt omraode - Google Patents

Kretsarrangemang foer modifiering av dynamiskt omraode

Info

Publication number
FI812024L
FI812024L FI812024A FI812024A FI812024L FI 812024 L FI812024 L FI 812024L FI 812024 A FI812024 A FI 812024A FI 812024 A FI812024 A FI 812024A FI 812024 L FI812024 L FI 812024L
Authority
FI
Finland
Prior art keywords
omraode
kretsarrangemang
dynamiskt
modifiering
foer
Prior art date
Application number
FI812024A
Other languages
English (en)
Other versions
FI74368B (fi
FI74368C (fi
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.)
Filing date
Publication date
Application filed by Ray Milton Dolby filed Critical Ray Milton Dolby
Publication of FI812024L publication Critical patent/FI812024L/fi
Publication of FI74368B publication Critical patent/FI74368B/fi
Application granted granted Critical
Publication of FI74368C publication Critical patent/FI74368C/fi

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
FI812024A 1980-06-30 1981-06-29 Kretsarrangemang foer modifiering av dynamiskt omraode. FI74368C (fi)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US16395080A 1980-06-30 1980-06-30
US16395080 1980-06-30
US18077180A 1980-08-22 1980-08-22
US18077180 1980-08-22

Publications (3)

Publication Number Publication Date
FI812024L true FI812024L (fi) 1981-12-31
FI74368B FI74368B (fi) 1987-09-30
FI74368C FI74368C (fi) 1988-01-11

Family

ID=26860115

Family Applications (3)

Application Number Title Priority Date Filing Date
FI812024A FI74368C (fi) 1980-06-30 1981-06-29 Kretsarrangemang foer modifiering av dynamiskt omraode.
FI812025A FI79428C (fi) 1980-06-30 1981-06-29 Naet foer daempning av mellanfrekvensmodulationsfenomen hos kompressorer, expandrar och brusdaempningssystem.
FI812026A FI76456C (fi) 1980-06-30 1981-06-29 Kretsanordning foer minskning av oeverbelastningseffekter hos inspelnings- eller transmissionsmedium i inspelnings- och transmissionssystem.

Family Applications After (2)

Application Number Title Priority Date Filing Date
FI812025A FI79428C (fi) 1980-06-30 1981-06-29 Naet foer daempning av mellanfrekvensmodulationsfenomen hos kompressorer, expandrar och brusdaempningssystem.
FI812026A FI76456C (fi) 1980-06-30 1981-06-29 Kretsanordning foer minskning av oeverbelastningseffekter hos inspelnings- eller transmissionsmedium i inspelnings- och transmissionssystem.

Country Status (17)

Country Link
KR (4) KR880000106B1 (fi)
AT (3) AT386911B (fi)
AU (3) AU544888B2 (fi)
BR (3) BR8104157A (fi)
CH (3) CH660653A5 (fi)
DE (3) DE3125790A1 (fi)
DK (3) DK156356C (fi)
ES (3) ES8204255A1 (fi)
FI (3) FI74368C (fi)
GB (3) GB2079112B (fi)
HK (3) HK28385A (fi)
IT (3) IT1137987B (fi)
MY (3) MY8501147A (fi)
NL (3) NL190214C (fi)
NO (3) NO157400C (fi)
SE (3) SE450985B (fi)
SG (3) SG4585G (fi)

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
GB1253031A (fi) * 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
FI57502C (fi) * 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 (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
KR830006992A (ko) 1983-10-12
MY8501148A (en) 1985-12-31
SG4585G (en) 1985-06-14
NO157400C (no) 1988-03-09
AU546641B2 (en) 1985-09-12
ES503497A0 (es) 1982-11-01
NO812216L (no) 1982-01-04
AT372796B (de) 1983-11-10
SE8104063L (sv) 1981-12-31
NL189988B (nl) 1993-04-16
AU7239381A (en) 1982-01-07
SE8104062L (sv) 1981-12-31
DK172325B1 (da) 1998-03-16
CH654703A5 (de) 1986-02-28
DE3125789A1 (de) 1982-05-19
KR840002491B1 (ko) 1984-12-31
IT8122651A0 (it) 1981-06-30
HK28485A (en) 1985-04-12
SE447524B (sv) 1986-11-17
AU544888B2 (en) 1985-06-20
DE3125789C2 (de) 1984-01-12
NL192652B (nl) 1997-07-01
CH662684A5 (de) 1987-10-15
AT386911B (de) 1988-11-10
DE3125788A1 (de) 1982-05-13
IT1137986B (it) 1986-09-10
AU7236581A (en) 1982-01-07
SE447525B (sv) 1986-11-17
SE8104061L (sv) 1981-12-31
HK28385A (en) 1985-04-12
GB2079112B (en) 1984-10-03
DK282981A (da) 1981-12-31
NO812217L (no) 1982-01-04
FI74368B (fi) 1987-09-30
NL8103123A (nl) 1982-01-18
ES8300233A1 (es) 1982-10-01
KR880000106B1 (ko) 1988-02-23
ES8301084A1 (es) 1982-11-01
NO157398B (no) 1987-11-30
ES503496A0 (es) 1982-04-16
NO157398C (no) 1988-03-09
FI74368C (fi) 1988-01-11
AU545125B2 (en) 1985-07-04
DE3125790A1 (de) 1982-05-13
SG4385G (en) 1985-06-14
DK282881A (da) 1981-12-31
FI79428C (fi) 1989-12-11
NL190214C (nl) 1993-12-01
NO812218L (no) 1982-01-04
NL189988C (nl) 1993-09-16
NL190214B (nl) 1993-07-01
FI812025L (fi) 1981-12-31
DK156356C (da) 1989-12-27
IT8122652A0 (it) 1981-06-30
GB2079114A (en) 1982-01-13
GB2079114B (en) 1984-10-03
NL192652C (nl) 1997-11-04
NO157399C (no) 1988-03-09
HK28285A (en) 1985-04-12
SE450985B (sv) 1987-09-07
DE3125788C2 (fi) 1992-06-11
CH660653A5 (de) 1987-05-15
ATA291581A (de) 1983-03-15
DK156356B (da) 1989-08-07
BR8104157A (pt) 1982-03-16
KR830006993A (ko) 1983-10-12
IT1137985B (it) 1986-09-10
BR8104158A (pt) 1982-03-16
GB2079113A (en) 1982-01-13
FI79428B (fi) 1989-08-31
DE3125790C2 (fi) 1992-11-12
DK168806B1 (da) 1994-06-13
ATA291681A (de) 1988-03-15
FI76456C (fi) 1988-10-10
FI76456B (fi) 1988-06-30
ATA291481A (de) 1987-12-15
MY8501149A (en) 1985-12-31
KR880000105B1 (ko) 1988-02-23
BR8104156A (pt) 1982-03-16
AU7239481A (en) 1982-01-07
NO157399B (no) 1987-11-30
ES8204255A1 (es) 1982-04-16
KR840002492B1 (ko) 1984-12-31
NL8103122A (nl) 1982-01-18
AT386304B (de) 1988-08-10
IT1137987B (it) 1986-09-10
SG4285G (en) 1985-06-14
FI812026L (fi) 1981-12-31
NL8103124A (nl) 1982-01-18
IT8122650A0 (it) 1981-06-30
ES503493A0 (es) 1982-10-01
GB2079113B (en) 1984-10-03
MY8501147A (en) 1985-12-31
DK282581A (da) 1981-12-31
NO157400B (no) 1987-11-30
GB2079112A (en) 1982-01-13

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Legal Events

Date Code Title Description
MA Patent expired

Owner name: DOLBY, RAY MILTON