BE889426A - Circuit de reduction des effets de la surcharge d'un support d'enregistrement ou de transmission de signaux - Google Patents
Circuit de reduction des effets de la surcharge d'un support d'enregistrement ou de transmission de signaux Download PDFInfo
- Publication number
- BE889426A BE889426A BE0/205247A BE205247A BE889426A BE 889426 A BE889426 A BE 889426A BE 0/205247 A BE0/205247 A BE 0/205247A BE 205247 A BE205247 A BE 205247A BE 889426 A BE889426 A BE 889426A
- Authority
- BE
- Belgium
- Prior art keywords
- emi
- circuit
- frequency
- signal
- compressor
- Prior art date
Links
- 230000000694 effects Effects 0.000 title claims description 20
- 230000005540 biological transmission Effects 0.000 title description 7
- 230000009467 reduction Effects 0.000 claims description 30
- 230000004044 response Effects 0.000 claims description 18
- 230000001419 dependent effect Effects 0.000 claims description 8
- 230000005236 sound signal Effects 0.000 claims description 3
- 230000006835 compression Effects 0.000 description 6
- 238000007906 compression Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 239000012788 optical film Substances 0.000 description 4
- 230000008859 change Effects 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 241000407429 Maja Species 0.000 description 1
- 230000001944 accentuation Effects 0.000 description 1
- 244000309466 calf Species 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
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
Landscapes
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
- Transmitters (AREA)
- Television Signal Processing For Recording (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US16395080A | 1980-06-30 | 1980-06-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE889426A true BE889426A (fr) | 1981-10-16 |
Family
ID=22592330
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE0/205247A BE889426A (fr) | 1980-06-30 | 1981-06-29 | Circuit de reduction des effets de la surcharge d'un support d'enregistrement ou de transmission de signaux |
| BE0/205249A BE889428A (fr) | 1980-06-30 | 1981-06-29 | Dispositif destine a modifier la plage dynamique de signaux d'entree |
| BE0/205248A BE889427A (fr) | 1980-06-30 | 1981-06-29 | Circuit de suppression des effets de modulation dans des compresseurs, des expanseurs et des dispositifs de reduction des bruits |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE0/205249A BE889428A (fr) | 1980-06-30 | 1981-06-29 | Dispositif destine a modifier la plage dynamique de signaux d'entree |
| BE0/205248A BE889427A (fr) | 1980-06-30 | 1981-06-29 | Circuit de suppression des effets de modulation dans des compresseurs, des expanseurs et des dispositifs de reduction des bruits |
Country Status (3)
| Country | Link |
|---|---|
| JP (5) | JPS5741015A (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 (ja) * | 1985-06-20 | 1994-01-05 | 三洋電機株式会社 | デエンフアシス回路 |
| US5311516A (en) * | 1992-05-29 | 1994-05-10 | Motorola, Inc. | Paging system using message fragmentation to redistribute traffic |
| KR0129043B1 (ko) * | 1992-05-29 | 1998-10-01 | 토마스 지.베리 | 가변 길이 메시지 캐리-온을 갖는 데이타 통신 수신기 |
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 | ||
| US3909733A (en) * | 1973-05-17 | 1975-09-30 | Dolby Laboratories Inc | Dynamic range modifying circuits utilizing variable negative resistance |
| JPS553529Y2 (en]) * | 1975-02-03 | 1980-01-28 |
-
1981
- 1981-06-29 BE BE0/205247A patent/BE889426A/fr not_active IP Right Cessation
- 1981-06-29 BE BE0/205249A patent/BE889428A/fr not_active IP Right Cessation
- 1981-06-29 BE BE0/205248A patent/BE889427A/fr not_active IP Right Cessation
- 1981-06-30 JP JP56102188A patent/JPS5741015A/ja active Pending
- 1981-06-30 JP JP56102190A patent/JPS5748835A/ja active Granted
- 1981-06-30 ZA ZA814429A patent/ZA814429B/xx unknown
- 1981-06-30 ZA ZA814433A patent/ZA814433B/xx unknown
- 1981-06-30 ZA ZA814423A patent/ZA814423B/xx unknown
- 1981-06-30 JP JP56102189A patent/JPS5741016A/ja active Granted
-
1987
- 1987-10-28 JP JP62270491A patent/JPS63119328A/ja active Granted
- 1987-10-28 JP JP62270490A patent/JPS63119327A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| ZA814433B (en) | 1982-07-28 |
| BE889427A (fr) | 1981-10-16 |
| JPS63119328A (ja) | 1988-05-24 |
| ZA814423B (en) | 1982-07-28 |
| JPH0243381B2 (en]) | 1990-09-28 |
| JPS63119327A (ja) | 1988-05-24 |
| JPH0359611B2 (en]) | 1991-09-11 |
| JPS5748835A (en) | 1982-03-20 |
| JPH0245385B2 (en]) | 1990-10-09 |
| JPS5741016A (en) | 1982-03-06 |
| JPS5741015A (en) | 1982-03-06 |
| JPH0359612B2 (en]) | 1991-09-11 |
| BE889428A (fr) | 1981-10-16 |
| ZA814429B (en) | 1982-07-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RE20 | Patent expired |
Owner name: DOLBY RAY MILTON Effective date: 20010629 |