FR2283586A1 - Circuits de traitement de signaux alternatifs pour compresseurs-expanseurs - Google Patents
Circuits de traitement de signaux alternatifs pour compresseurs-expanseursInfo
- Publication number
- FR2283586A1 FR2283586A1 FR7526424A FR7526424A FR2283586A1 FR 2283586 A1 FR2283586 A1 FR 2283586A1 FR 7526424 A FR7526424 A FR 7526424A FR 7526424 A FR7526424 A FR 7526424A FR 2283586 A1 FR2283586 A1 FR 2283586A1
- Authority
- FR
- France
- Prior art keywords
- expanders
- compressors
- signal processing
- processing circuits
- alternative signal
- 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.)
- Withdrawn
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/62—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for providing a predistortion of the signal in the transmitter and corresponding correction in the receiver, e.g. for improving the signal/noise ratio
- H04B1/64—Volume compression or expansion arrangements
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G1/00—Details of arrangements for controlling amplification
- H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
- H03G1/0035—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements
- H03G1/0052—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements using diodes
-
- 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
- H03G9/025—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers frequency-dependent volume compression or expansion, e.g. multiple-band systems
-
- 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 |
---|---|---|---|
CA207,850A CA998617A (en) | 1974-08-27 | 1974-08-27 | A-c signal processing circuits for compandors |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2283586A1 true FR2283586A1 (fr) | 1976-03-26 |
Family
ID=4100982
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7526424A Withdrawn FR2283586A1 (fr) | 1974-08-27 | 1975-08-27 | Circuits de traitement de signaux alternatifs pour compresseurs-expanseurs |
Country Status (7)
Country | Link |
---|---|
JP (1) | JPS5147312A (fr) |
CA (1) | CA998617A (fr) |
DE (1) | DE2537998A1 (fr) |
FR (1) | FR2283586A1 (fr) |
GB (1) | GB1514242A (fr) |
NL (1) | NL7509585A (fr) |
SE (1) | SE7509493L (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2485838A1 (fr) * | 1980-06-30 | 1981-12-31 | Dolby Ray | Dispositif destine a modifier la plage dynamique de signaux d'entree |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58108857A (ja) * | 1981-12-23 | 1983-06-29 | Fujitsu Ltd | 過電流保護回路 |
EP1837893A1 (fr) | 2006-03-25 | 2007-09-26 | HÜTTINGER Elektronik GmbH + Co. KG | Dispositif de mesure d'un système plasma HF |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3119077A (en) * | 1960-12-09 | 1964-01-21 | Bell Telephone Labor Inc | Automatic gain control circuit using variable attenuators in the signal path |
GB951058A (en) * | 1959-04-23 | 1964-03-04 | Philips Electrical Ind Ltd | Improvements in or relating to amplifiers |
US3784749A (en) * | 1971-02-10 | 1974-01-08 | Kenwood Corp | Noise eliminating device |
-
1974
- 1974-08-27 CA CA207,850A patent/CA998617A/en not_active Expired
-
1975
- 1975-08-12 NL NL7509585A patent/NL7509585A/xx not_active Application Discontinuation
- 1975-08-13 GB GB3374975A patent/GB1514242A/en not_active Expired
- 1975-08-26 DE DE19752537998 patent/DE2537998A1/de active Pending
- 1975-08-26 JP JP10263975A patent/JPS5147312A/ja active Pending
- 1975-08-26 SE SE7509493A patent/SE7509493L/ not_active Application Discontinuation
- 1975-08-27 FR FR7526424A patent/FR2283586A1/fr not_active Withdrawn
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB951058A (en) * | 1959-04-23 | 1964-03-04 | Philips Electrical Ind Ltd | Improvements in or relating to amplifiers |
US3119077A (en) * | 1960-12-09 | 1964-01-21 | Bell Telephone Labor Inc | Automatic gain control circuit using variable attenuators in the signal path |
US3784749A (en) * | 1971-02-10 | 1974-01-08 | Kenwood Corp | Noise eliminating device |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2485838A1 (fr) * | 1980-06-30 | 1981-12-31 | Dolby Ray | Dispositif destine a modifier la plage dynamique de signaux d'entree |
Also Published As
Publication number | Publication date |
---|---|
JPS5147312A (en) | 1976-04-22 |
DE2537998A1 (de) | 1976-03-11 |
CA998617A (en) | 1976-10-19 |
GB1514242A (en) | 1978-06-14 |
NL7509585A (nl) | 1976-03-02 |
SE7509493L (sv) | 1976-03-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
BE835162A (fr) | Systeme de traitement du signal | |
FR2291652A1 (fr) | Dispositif de traitement de signaux numeriques | |
BE865322A (fr) | Appareil electronique pour le traitement de signaux | |
BE798029A (fr) | Circuit de traitement de signaux electroniques | |
FR2277483A1 (fr) | Dispositif de traitement de signaux de television | |
BE798922A (fr) | Dispositif de traitement de signaux analogiques | |
BE787593A (fr) | Appareil electronique pour la detection de defauts | |
BE830574A (fr) | Systeme de traitement de signaux analogiques | |
FR2301968A1 (fr) | Circuit de traitement de signal | |
FR2325054A1 (fr) | Circuits de traitement de signaux pour camera a rayons gamma | |
FR2295640A1 (fr) | Dispositif comportant un dispositif de traitement de signaux numeriques integrateur | |
FR2296942A1 (fr) | Circuit transducteur pour signaux analogiques | |
FR1397523A (fr) | Circuits de traitement de signaux | |
BE856703A (fr) | Dispositif numerique de traitement de signaux | |
SE420868B (sv) | Signalbehandlingskrets | |
FR2305076A1 (fr) | Circuit de filtrage en peigne pour traitement de signaux video | |
FR2349251A1 (fr) | Circuit de traitement des signaux de chrominance | |
BE850658A (fr) | Unite de traitement de signaux analogiques | |
FR2292381A1 (fr) | Dispositif de traitement pour des signaux numeriques | |
BE750565A (fr) | Codeur de signaux | |
FR2283586A1 (fr) | Circuits de traitement de signaux alternatifs pour compresseurs-expanseurs | |
FR2280249A1 (fr) | Ensemble de traitement de signaux | |
FR2285036A1 (fr) | Filtre en peigne pour le traitement de signaux video | |
AT342142B (de) | Schaltungsanordnung zur storungsgesicherten signalverarbeitung | |
FR2337978A1 (fr) | Circuit de traitement de signal video |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
CD | Change of name or company name | ||
ST | Notification of lapse |