JPH0245385B2 - - Google Patents
Info
- Publication number
- JPH0245385B2 JPH0245385B2 JP56102190A JP10219081A JPH0245385B2 JP H0245385 B2 JPH0245385 B2 JP H0245385B2 JP 56102190 A JP56102190 A JP 56102190A JP 10219081 A JP10219081 A JP 10219081A JP H0245385 B2 JPH0245385 B2 JP H0245385B2
- Authority
- JP
- Japan
- Prior art keywords
- frequency
- compressor
- signal
- saturation
- path
- 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 - Lifetime
Links
- 230000000694 effects Effects 0.000 claims description 29
- 230000001419 dependent effect Effects 0.000 claims description 15
- 230000008878 coupling Effects 0.000 claims description 9
- 238000010168 coupling process Methods 0.000 claims description 9
- 238000005859 coupling reaction Methods 0.000 claims description 9
- 230000006835 compression Effects 0.000 description 8
- 238000007906 compression Methods 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 4
- 238000012937 correction Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000005284 excitation Effects 0.000 description 3
- 239000012788 optical film Substances 0.000 description 3
- 230000000295 complement effect Effects 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 210000000056 organ Anatomy 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 230000005236 sound signal 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)
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
- Signal Processing Not Specific To The Method Of Recording And Reproducing (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 (2)
| Publication Number | Publication Date |
|---|---|
| JPS5748835A JPS5748835A (en) | 1982-03-20 |
| JPH0245385B2 true JPH0245385B2 (en, 2012) | 1990-10-09 |
Family
ID=22592330
Family Applications (5)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56102190A Granted JPS5748835A (en) | 1980-06-30 | 1981-06-30 | Circuit device for recording signal and reducing medium overload effect in transmission system |
| JP56102188A Pending JPS5741015A (en) | 1980-06-30 | 1981-06-30 | Dynamic range modifying cirucit device |
| JP56102189A Granted JPS5741016A (en) | 1980-06-30 | 1981-06-30 | Network for suppressing intermediate frequency modulating effect for compressor, expander and noise reducing system |
| JP62270491A Granted JPS63119328A (ja) | 1980-06-30 | 1987-10-28 | 信号の録音及び送信システムにおける媒体過負荷効果を低減させるノイズ低減装置 |
| JP62270490A Granted JPS63119327A (ja) | 1980-06-30 | 1987-10-28 | 信号の録音及び送信システムにおける媒体過負荷効果を低減させるエクスパンダ |
Family Applications After (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56102188A Pending JPS5741015A (en) | 1980-06-30 | 1981-06-30 | Dynamic range modifying cirucit device |
| JP56102189A Granted JPS5741016A (en) | 1980-06-30 | 1981-06-30 | Network for suppressing intermediate frequency modulating effect for compressor, expander and noise reducing system |
| JP62270491A Granted JPS63119328A (ja) | 1980-06-30 | 1987-10-28 | 信号の録音及び送信システムにおける媒体過負荷効果を低減させるノイズ低減装置 |
| JP62270490A Granted JPS63119327A (ja) | 1980-06-30 | 1987-10-28 | 信号の録音及び送信システムにおける媒体過負荷効果を低減させるエクスパンダ |
Country Status (3)
| Country | Link |
|---|---|
| JP (5) | JPS5748835A (en, 2012) |
| BE (3) | BE889427A (en, 2012) |
| ZA (3) | ZA814429B (en, 2012) |
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 |
| SG46268A1 (en) * | 1992-05-29 | 1998-02-20 | Motorola Inc | Data communication receiver having variable length message carry-on |
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, 2012) * | 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, 2012) * | 1975-02-03 | 1980-01-28 |
-
1981
- 1981-06-29 BE BE0/205248A patent/BE889427A/fr not_active IP Right Cessation
- 1981-06-29 BE BE0/205249A patent/BE889428A/fr not_active IP Right Cessation
- 1981-06-29 BE BE0/205247A patent/BE889426A/fr not_active IP Right Cessation
- 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 JP JP56102188A patent/JPS5741015A/ja active Pending
- 1981-06-30 JP JP56102189A patent/JPS5741016A/ja active Granted
- 1981-06-30 ZA ZA814423A patent/ZA814423B/xx unknown
-
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 |
|---|---|
| BE889428A (fr) | 1981-10-16 |
| BE889427A (fr) | 1981-10-16 |
| ZA814433B (en) | 1982-07-28 |
| JPH0359611B2 (en, 2012) | 1991-09-11 |
| BE889426A (fr) | 1981-10-16 |
| JPS5741016A (en) | 1982-03-06 |
| ZA814423B (en) | 1982-07-28 |
| JPS5741015A (en) | 1982-03-06 |
| ZA814429B (en) | 1982-07-28 |
| JPS63119327A (ja) | 1988-05-24 |
| JPH0243381B2 (en, 2012) | 1990-09-28 |
| JPH0359612B2 (en, 2012) | 1991-09-11 |
| JPS5748835A (en) | 1982-03-20 |
| JPS63119328A (ja) | 1988-05-24 |
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