SG4585G - Circuit arrangements for modifying dynamic range - Google Patents
Circuit arrangements for modifying dynamic rangeInfo
- Publication number
- SG4585G SG4585G SG45/85A SG4585A SG4585G SG 4585 G SG4585 G SG 4585G SG 45/85 A SG45/85 A SG 45/85A SG 4585 A SG4585 A SG 4585A SG 4585 G SG4585 G SG 4585G
- Authority
- SG
- Singapore
- Prior art keywords
- dynamic range
- circuit arrangements
- modifying dynamic
- modifying
- arrangements
- Prior art date
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
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 (1)
Publication Number | Publication Date |
---|---|
SG4585G true SG4585G (en) | 1985-06-14 |
Family
ID=26860115
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SG45/85A SG4585G (en) | 1980-06-30 | 1985-01-16 | Circuit arrangements for modifying dynamic range |
SG42/85A SG4285G (en) | 1980-06-30 | 1985-01-16 | Circuit arrangements for reducing media overload effects in signal recording and transmission systems |
SG43/85A SG4385G (en) | 1980-06-30 | 1985-01-16 | Networks for suppressing mid-frequency modulation effects in compressors,expanders and noise reduction systems |
Family Applications After (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SG42/85A SG4285G (en) | 1980-06-30 | 1985-01-16 | Circuit arrangements for reducing media overload effects in signal recording and transmission systems |
SG43/85A SG4385G (en) | 1980-06-30 | 1985-01-16 | Networks for suppressing mid-frequency modulation effects in compressors,expanders and noise reduction systems |
Country Status (17)
Country | Link |
---|---|
KR (4) | KR880000105B1 ( ) |
AT (3) | AT386911B ( ) |
AU (3) | AU546641B2 ( ) |
BR (3) | BR8104157A ( ) |
CH (3) | CH662684A5 ( ) |
DE (3) | DE3125788A1 ( ) |
DK (3) | DK168806B1 ( ) |
ES (3) | ES503496A0 ( ) |
FI (3) | FI74368C ( ) |
GB (3) | GB2079112B ( ) |
HK (3) | HK28485A ( ) |
IT (3) | IT1137985B ( ) |
MY (3) | MY8501149A ( ) |
NL (3) | NL190214C ( ) |
NO (3) | NO157399C ( ) |
SE (3) | SE450985B ( ) |
SG (3) | SG4585G ( ) |
Families Citing this family (5)
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)
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 ( ) * | 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 |
-
1981
- 1981-06-26 DK DK282981A patent/DK168806B1/da not_active IP Right Cessation
- 1981-06-26 DK DK282881A patent/DK172325B1/da not_active IP Right Cessation
- 1981-06-26 DK DK282581A patent/DK156356C/da not_active IP Right Cessation
- 1981-06-29 FI FI812024A patent/FI74368C/fi not_active IP Right Cessation
- 1981-06-29 FI FI812026A patent/FI76456C/fi not_active IP Right Cessation
- 1981-06-29 NL NLAANVRAGE8103122,A patent/NL190214C/xx not_active IP Right Cessation
- 1981-06-29 NO NO812217A patent/NO157399C/no not_active IP Right Cessation
- 1981-06-29 GB GB8119972A patent/GB2079112B/en not_active Expired
- 1981-06-29 ES ES503496A patent/ES503496A0/es active Granted
- 1981-06-29 ES ES503497A patent/ES503497A0/es active Granted
- 1981-06-29 GB GB8119974A patent/GB2079114B/en not_active Expired
- 1981-06-29 NL NL8103123A patent/NL192652C/nl not_active IP Right Cessation
- 1981-06-29 ES ES503493A patent/ES503493A0/es active Granted
- 1981-06-29 GB GB8119973A patent/GB2079113B/en not_active Expired
- 1981-06-29 SE SE8104062A patent/SE450985B/sv not_active IP Right Cessation
- 1981-06-29 SE SE8104063A patent/SE447525B/sv not_active IP Right Cessation
- 1981-06-29 SE SE8104061A patent/SE447524B/sv not_active IP Right Cessation
- 1981-06-29 NO NO812218A patent/NO157400C/no not_active IP Right Cessation
- 1981-06-29 FI FI812025A patent/FI79428C/fi not_active IP Right Cessation
- 1981-06-29 NO NO812216A patent/NO157398C/no not_active IP Right Cessation
- 1981-06-29 NL NLAANVRAGE8103124,A patent/NL189988C/xx not_active IP Right Cessation
- 1981-06-30 DE DE19813125788 patent/DE3125788A1/de active Granted
- 1981-06-30 AT AT0291681A patent/AT386911B/de not_active IP Right Cessation
- 1981-06-30 CH CH4292/81A patent/CH662684A5/de not_active IP Right Cessation
- 1981-06-30 KR KR1019810002350A patent/KR880000105B1/ko active
- 1981-06-30 BR BR8104157A patent/BR8104157A/pt not_active IP Right Cessation
- 1981-06-30 AU AU72365/81A patent/AU546641B2/en not_active Expired
- 1981-06-30 IT IT22650/81A patent/IT1137985B/it active
- 1981-06-30 DE DE19813125790 patent/DE3125790A1/de active Granted
- 1981-06-30 AU AU72394/81A patent/AU545125B2/en not_active Expired
- 1981-06-30 CH CH4294/81A patent/CH660653A5/de not_active IP Right Cessation
- 1981-06-30 AU AU72393/81A patent/AU544888B2/en not_active Expired
- 1981-06-30 AT AT0291581A patent/AT372796B/de not_active IP Right Cessation
- 1981-06-30 BR BR8104156A patent/BR8104156A/pt not_active IP Right Cessation
- 1981-06-30 AT AT0291481A patent/AT386304B/de not_active IP Right Cessation
- 1981-06-30 DE DE3125789A patent/DE3125789C2/de not_active Expired
- 1981-06-30 BR BR8104158A patent/BR8104158A/pt not_active IP Right Cessation
- 1981-06-30 IT IT22651/81A patent/IT1137986B/it active
- 1981-06-30 KR KR1019810002351A patent/KR880000106B1/ko active
- 1981-06-30 CH CH4293/81A patent/CH654703A5/de not_active IP Right Cessation
- 1981-06-30 KR KR1019810002352A patent/KR840002491B1/ko active
- 1981-06-30 IT IT22652/81A patent/IT1137987B/it active
-
1984
- 1984-09-19 KR KR1019840005735A patent/KR840002492B1/ko 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 HK284/85A patent/HK28485A/xx not_active IP Right Cessation
- 1985-04-04 HK HK282/85A patent/HK28285A/xx not_active IP Right Cessation
- 1985-04-04 HK HK283/85A patent/HK28385A/xx not_active IP Right Cessation
- 1985-12-30 MY MY1149/85A patent/MY8501149A/xx unknown
- 1985-12-30 MY MY1148/85A patent/MY8501148A/xx unknown
- 1985-12-30 MY MY1147/85A patent/MY8501147A/xx unknown
Also Published As
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS571256A (en) | Integrated circuit | |
JPS5752945A (en) | Carry circuit | |
JPS5797723A (en) | Dynamic contact checking circuit | |
GB2136649B (en) | Integrated circuit | |
GB8401118D0 (en) | Stabilizing circuit | |
DE3174470D1 (en) | Dynamic signal generation circuit | |
GB2090090B (en) | Amplifier circuit | |
GB8305299D0 (en) | Amplifier circuit | |
AU538856B2 (en) | Dynamic mosfet ligic circuit | |
GB2130037B (en) | Amplifier circuit | |
DE3175781D1 (en) | Integrated circuit | |
GB2072980B (en) | Dynamic shift register circuit | |
GB2071451B (en) | Amplifier circuit | |
JPS56122211A (en) | Integrated circuit | |
GB2079112B (en) | Circuit arrangement for modifying dynamic range | |
ZA814429B (en) | Circuit arrangements for modifying dynamic range | |
GB2111356B (en) | Improvements in circuit arrangements for modifying dynamic range | |
GB2137838B (en) | Amplifier circuit | |
GB2111355B (en) | Improvements in circuit arrangements for modifying dynamic range | |
JPS5743300A (en) | Comparing circuit | |
JPS56151991A (en) | Blanking circuit | |
JPS56126294A (en) | Electronic range | |
AU539754B2 (en) | Circuit arrangements | |
JPS56106392A (en) | Rushhcurrent preventing circuit | |
JPS56121285A (en) | Electronic range |