ES8303848A1 - "una disposicion de circuito para modificar el margen dinamico de una senal de entrada". - Google Patents
"una disposicion de circuito para modificar el margen dinamico de una senal de entrada".Info
- Publication number
- ES8303848A1 ES8303848A1 ES508394A ES508394A ES8303848A1 ES 8303848 A1 ES8303848 A1 ES 8303848A1 ES 508394 A ES508394 A ES 508394A ES 508394 A ES508394 A ES 508394A ES 8303848 A1 ES8303848 A1 ES 8303848A1
- Authority
- ES
- Spain
- Prior art keywords
- circuits
- arrangements
- signal
- control signal
- circuit
- 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
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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G7/00—Volume compression or expansion in amplifiers
- H03G7/06—Volume compression or expansion in amplifiers having semiconductor devices
- H03G7/08—Volume compression or expansion in amplifiers having semiconductor devices incorporating negative feedback
-
- 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
Landscapes
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
Abstract
DISPOSITIVO DE CIRCUITO QUE ALTERA EL MARGEN DINAMICO DE SEÑALES DE AUDIO Y DE OTRO TIPO. CONSTA DE UN CIRCUITO SELECTIVO PARA LA FRECUENCIA QUE DETERMINA UNA BANDA DE PASO DE FRECUENCIAS DENTRO DE LA CUAL TIENE LUGAR LA MODIFICACION DEL MARGEN DINAMICO; DE MEDIOS DE MODIFICACION DINAMICO PARA EFECTUAR UNA MODIFICACION DINAMICA PROGRESIVA DE LOS COMPONENTES DE SEÑAL INCLUIDAS EN ESA BANDA DE PASO; DE MEDIOS PARA EFECTUAR UN DESPLAZAMIENTO PROGRESIVO DE LA BANDA DE PASO DE FRECUENCIAS; Y DE UN DISPOSITIVO DE GANANCIA O PERDIDA VARIABLE, INCLUIDO EN LOS MEDIOS DE MODIFICACION DINAMICA, QUE CONTROLA LA ACCION DINAMICA VARIABLE MEDIANTE UN CIRCUITO DE CONTROL. DE APLICACION EN LOS SISTEMAS DE REDUCCION DE RUIDO.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/325,530 US4498055A (en) | 1981-09-10 | 1981-12-01 | Circuit arrangements for modifying dynamic range |
Publications (2)
Publication Number | Publication Date |
---|---|
ES8303848A1 true ES8303848A1 (es) | 1983-02-01 |
ES508394A0 ES508394A0 (es) | 1983-02-01 |
Family
ID=23268273
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES508394A Granted ES508394A0 (es) | 1981-12-01 | 1981-12-29 | "una disposicion de circuito para modificar el margen dinamico de una senal de entrada". |
Country Status (15)
Country | Link |
---|---|
KR (1) | KR900000483B1 (es) |
BE (1) | BE901906Q (es) |
CA (1) | CA1188996A (es) |
CH (1) | CH656996A5 (es) |
DE (1) | DE3151137A1 (es) |
DK (1) | DK575681A (es) |
ES (1) | ES508394A0 (es) |
FR (1) | FR2517496B1 (es) |
GB (1) | GB2111355B (es) |
GR (1) | GR77317B (es) |
IE (1) | IE52495B1 (es) |
IT (1) | IT1140402B (es) |
LU (1) | LU83854A1 (es) |
NL (1) | NL192860C (es) |
SE (1) | SE449281B (es) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4922535A (en) * | 1986-03-03 | 1990-05-01 | Dolby Ray Milton | Transient control aspects of circuit arrangements for altering the dynamic range of audio signals |
CA1269138A (en) * | 1986-03-03 | 1990-05-15 | Ray Milton Dolby | Attenuator circuit employing bootstrapping |
EP0421559B1 (en) * | 1986-03-03 | 1998-01-14 | Ray Milton Dolby | Device for modifying the dynamic range of an input signal |
GB2429779A (en) * | 2005-09-01 | 2007-03-07 | Geo Kingsbury Machine Tools Lt | Testing components of drive trains |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1120541A (en) * | 1965-08-11 | 1968-07-17 | Dolby Ray Milton | Improvements in noise reduction systems |
BE753495A (fr) * | 1969-07-21 | 1970-12-16 | Dolby Laboratories Inc | Filtres limiteurs perfectionnes pour systemes attenuateurs de bruit. ( |
GB1367002A (en) * | 1971-04-06 | 1974-09-18 | Victor Company Of Japan | Compression and/or expansion system and circuit |
US4101849A (en) * | 1976-11-08 | 1978-07-18 | Dbx, Inc. | Adaptive filter |
BE889426A (fr) * | 1980-06-30 | 1981-10-16 | Dolby Ray Milton | Circuit de reduction des effets de la surcharge d'un support d'enregistrement ou de transmission de signaux |
-
1981
- 1981-12-09 GB GB08137167A patent/GB2111355B/en not_active Expired
- 1981-12-11 CA CA000392068A patent/CA1188996A/en not_active Expired
- 1981-12-15 IE IE2951/81A patent/IE52495B1/en not_active IP Right Cessation
- 1981-12-15 SE SE8107495A patent/SE449281B/sv not_active IP Right Cessation
- 1981-12-19 KR KR1019810005016A patent/KR900000483B1/ko active
- 1981-12-22 CH CH8223/81A patent/CH656996A5/de not_active IP Right Cessation
- 1981-12-22 NL NL8105775A patent/NL192860C/nl not_active IP Right Cessation
- 1981-12-23 GR GR66897A patent/GR77317B/el unknown
- 1981-12-23 DE DE19813151137 patent/DE3151137A1/de active Granted
- 1981-12-23 DK DK575681A patent/DK575681A/da not_active Application Discontinuation
- 1981-12-24 LU LU83854A patent/LU83854A1/fr unknown
- 1981-12-28 FR FR8124314A patent/FR2517496B1/fr not_active Expired
- 1981-12-29 ES ES508394A patent/ES508394A0/es active Granted
- 1981-12-29 IT IT25877/81A patent/IT1140402B/it active
-
1985
- 1985-03-08 BE BE0/214626A patent/BE901906Q/fr not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
IT1140402B (it) | 1986-09-24 |
CA1188996A (en) | 1985-06-18 |
GB2111355A (en) | 1983-06-29 |
SE8107495L (sv) | 1983-06-02 |
KR900000483B1 (ko) | 1990-01-30 |
IT8125877A0 (it) | 1981-12-29 |
ES508394A0 (es) | 1983-02-01 |
DE3151137C2 (es) | 1993-04-01 |
BE901906Q (fr) | 1985-07-01 |
IE52495B1 (en) | 1987-11-25 |
DE3151137A1 (de) | 1983-07-14 |
FR2517496A1 (fr) | 1983-06-03 |
NL192860B (nl) | 1997-11-03 |
GB2111355B (en) | 1985-02-13 |
SE449281B (sv) | 1987-04-13 |
FR2517496B1 (fr) | 1985-11-15 |
IE812951L (en) | 1983-06-01 |
NL8105775A (nl) | 1983-07-01 |
LU83854A1 (fr) | 1982-05-07 |
CH656996A5 (de) | 1986-07-31 |
DK575681A (da) | 1983-06-02 |
KR830008462A (ko) | 1983-11-18 |
GR77317B (es) | 1984-09-11 |
NL192860C (nl) | 1998-03-04 |
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