ZA814433B - Networks for suppressing mid-frequency modulation effects in compressors,expanders and noise reduction systems - Google Patents
Networks for suppressing mid-frequency modulation effects in compressors,expanders and noise reduction systemsInfo
- Publication number
- ZA814433B ZA814433B ZA814433A ZA814433A ZA814433B ZA 814433 B ZA814433 B ZA 814433B ZA 814433 A ZA814433 A ZA 814433A ZA 814433 A ZA814433 A ZA 814433A ZA 814433 B ZA814433 B ZA 814433B
- Authority
- ZA
- South Africa
- Prior art keywords
- expanders
- compressors
- networks
- noise reduction
- frequency modulation
- Prior art date
Links
Classifications
-
- 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 (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US16395080A | 1980-06-30 | 1980-06-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA814433B true ZA814433B (en) | 1982-07-28 |
Family
ID=22592330
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA814429A ZA814429B (en) | 1980-06-30 | 1981-06-30 | Circuit arrangements for modifying dynamic range |
ZA814433A ZA814433B (en) | 1980-06-30 | 1981-06-30 | Networks for suppressing mid-frequency modulation effects in compressors,expanders and noise reduction systems |
ZA814423A ZA814423B (en) | 1980-06-30 | 1981-06-30 | Circuit arrangements for reducing media overload effects in signal recording and transmission systems |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA814429A ZA814429B (en) | 1980-06-30 | 1981-06-30 | Circuit arrangements for modifying dynamic range |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA814423A ZA814423B (en) | 1980-06-30 | 1981-06-30 | Circuit arrangements for reducing media overload effects in signal recording and transmission systems |
Country Status (3)
Country | Link |
---|---|
JP (5) | JPS5748835A (en) |
BE (3) | BE889426A (en) |
ZA (3) | ZA814429B (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2111355B (en) * | 1981-12-01 | 1985-02-13 | Ray Milton Dolby | Improvements in circuit arrangements for modifying dynamic range |
GB2111356B (en) * | 1981-12-01 | 1985-03-20 | Ray Milton Dolby | Improvements in circuit arrangements for modifying dynamic range |
JPH061906B2 (en) * | 1985-06-20 | 1994-01-05 | 三洋電機株式会社 | De-emphasis circuit |
EP0597064B1 (en) * | 1992-05-29 | 2001-10-04 | Motorola, Inc. | Data communication receiver having variable length message carry-on |
US5311516A (en) * | 1992-05-29 | 1994-05-10 | Motorola, Inc. | Paging system using message fragmentation to redistribute traffic |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1432763A (en) * | 1972-05-02 | 1976-04-22 | Dolby Laboratories Inc | Compressors expanders and noise reduction systems |
JPS5348112B2 (en) * | 1973-05-02 | 1978-12-26 | ||
CA1000617A (en) * | 1973-05-17 | 1976-11-30 | Ray M. Dolby | Compressors, expanders and noise reduction systems |
JPS553529Y2 (en) * | 1975-02-03 | 1980-01-28 |
-
1981
- 1981-06-29 BE BE0/205247A patent/BE889426A/en not_active IP Right Cessation
- 1981-06-29 BE BE0/205249A patent/BE889428A/en not_active IP Right Cessation
- 1981-06-29 BE BE0/205248A patent/BE889427A/en not_active IP Right Cessation
- 1981-06-30 ZA ZA814429A patent/ZA814429B/en unknown
- 1981-06-30 ZA ZA814433A patent/ZA814433B/en unknown
- 1981-06-30 ZA ZA814423A patent/ZA814423B/en unknown
- 1981-06-30 JP JP56102190A patent/JPS5748835A/en active Granted
- 1981-06-30 JP JP56102189A patent/JPS5741016A/en active Granted
- 1981-06-30 JP JP56102188A patent/JPS5741015A/en active Pending
-
1987
- 1987-10-28 JP JP62270491A patent/JPS63119328A/en active Granted
- 1987-10-28 JP JP62270490A patent/JPS63119327A/en active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS5741015A (en) | 1982-03-06 |
JPS5748835A (en) | 1982-03-20 |
JPS63119327A (en) | 1988-05-24 |
JPH0243381B2 (en) | 1990-09-28 |
BE889426A (en) | 1981-10-16 |
JPS63119328A (en) | 1988-05-24 |
JPH0359612B2 (en) | 1991-09-11 |
ZA814429B (en) | 1982-07-28 |
JPS5741016A (en) | 1982-03-06 |
BE889427A (en) | 1981-10-16 |
JPH0245385B2 (en) | 1990-10-09 |
ZA814423B (en) | 1982-07-28 |
JPH0359611B2 (en) | 1991-09-11 |
BE889428A (en) | 1981-10-16 |
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