SE7710588L - Koppling for att modifiera en insignals dynamikomrade - Google Patents

Koppling for att modifiera en insignals dynamikomrade

Info

Publication number
SE7710588L
SE7710588L SE7710588A SE7710588A SE7710588L SE 7710588 L SE7710588 L SE 7710588L SE 7710588 A SE7710588 A SE 7710588A SE 7710588 A SE7710588 A SE 7710588A SE 7710588 L SE7710588 L SE 7710588L
Authority
SE
Sweden
Prior art keywords
dynamic range
voltage
circuit
current
variable
Prior art date
Application number
SE7710588A
Other languages
Unknown language ( )
English (en)
Other versions
SE421264B (sv
Inventor
R M Dolby
Original Assignee
Dolby Laboratories Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from GB2363873A external-priority patent/GB1473831A/en
Application filed by Dolby Laboratories Inc filed Critical Dolby Laboratories Inc
Publication of SE7710588L publication Critical patent/SE7710588L/sv
Publication of SE421264B publication Critical patent/SE421264B/sv

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
    • H03G9/025—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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
    • G11B23/0007—Circuits or methods for reducing noise, for correction of distortion, or for changing density of recorded information
SE7710588A 1973-05-17 1977-09-21 Koppling for att modifiera en insignals dynamikomrade SE421264B (sv)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB2363873A GB1473831A (sv) 1973-05-17 1973-05-17
GB4167373 1973-09-05

Publications (2)

Publication Number Publication Date
SE7710588L true SE7710588L (sv) 1977-09-21
SE421264B SE421264B (sv) 1981-12-07

Family

ID=26256641

Family Applications (2)

Application Number Title Priority Date Filing Date
SE7406542A SE403333B (sv) 1973-05-17 1974-05-16 Koppling for att modifiera en insignals dynamikomrade
SE7710588A SE421264B (sv) 1973-05-17 1977-09-21 Koppling for att modifiera en insignals dynamikomrade

Family Applications Before (1)

Application Number Title Priority Date Filing Date
SE7406542A SE403333B (sv) 1973-05-17 1974-05-16 Koppling for att modifiera en insignals dynamikomrade

Country Status (7)

Country Link
US (1) US3909733A (sv)
JP (1) JPS5920205B2 (sv)
CA (1) CA1000617A (sv)
DE (3) DE2463192C2 (sv)
FR (1) FR2230119B1 (sv)
NL (1) NL186053C (sv)
SE (2) SE403333B (sv)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL179684C (nl) * 1977-10-24 1986-10-16 Hazemeijer Bv Capacitieve wisselspanningsdeler.
BE889427A (fr) * 1980-06-30 1981-10-16 Dolby Ray Milton Circuit de suppression des effets de modulation dans des compresseurs, des expanseurs et des dispositifs de reduction des bruits
FR2485838B1 (fr) * 1980-06-30 1986-02-21 Dolby Ray Dispositif destine a modifier la plage dynamique de signaux d'entree
DK156356C (da) * 1980-06-30 1989-12-27 Ray Milton Dolby Kredsloeb til reduktion af overbelastningseffekter i signalindspilnings-og transmissionssystemer
GB2111356B (en) * 1981-12-01 1985-03-20 Ray Milton Dolby Improvements in circuit arrangements for modifying dynamic range
CA1188384A (en) * 1981-12-29 1985-06-04 Masayuki Katakura Noise reduction circuit
US5278912A (en) * 1991-06-28 1994-01-11 Resound Corporation Multiband programmable compression system
DE4124133C2 (de) * 1991-07-20 2000-07-13 Daimlerchrysler Aerospace Ag Replayverfahren für eine Peilanordnung und Peilanordnung zum Ausführen des Replayverfahrens

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE727190C (de) * 1934-03-23 1942-10-29 Siemens Ag Schaltungsanordnung zur Regelung des UEbertragungsmasses von UEbertragungssystemen mit Hilfe von Regelwiderstaenden
US2589723A (en) * 1948-12-09 1952-03-18 Bendix Aviat Corp Noise suppressor for audio circuits
US3051846A (en) * 1960-12-27 1962-08-28 Bell Telephone Labor Inc Negative resistance diode pulse repeater
DE1954328U (de) 1964-11-20 1967-01-26 Bieder K G Stahl Und Maschb Scharnier, insbesondere fuer kisten.
GB1120541A (en) * 1965-08-11 1968-07-17 Dolby Ray Milton Improvements in noise reduction systems
US3581122A (en) * 1967-10-26 1971-05-25 Bell Telephone Labor Inc All-pass filter circuit having negative resistance shunting resonant circuit
GB1253031A (sv) * 1968-01-10 1971-11-10
US3631365A (en) * 1968-11-01 1971-12-28 Dolby Laboratories Inc Signal compressors and expanders
US3562675A (en) * 1969-05-16 1971-02-09 Sperry Rand Corp Automatic tuned interference signal rejection filter including drift compensation means
DE1954238A1 (de) * 1969-10-28 1971-05-06 Standard Elek K Lorenz Ag Schutzrohrankerkontakt
GB1390341A (en) * 1971-03-12 1975-04-09 Dolby Laboratories Inc Signal compressors and expanders
DE2312086C3 (de) * 1972-03-30 1979-10-31 N.V. Philips' Gloeilampenfabrieken, Eindhoven (Niederlande) Signalübertragungsvorrichtung mit einer amplituden- und frequenzabhängigen Übertragungsfunktion
GB1432763A (en) * 1972-05-02 1976-04-22 Dolby Laboratories Inc Compressors expanders and noise reduction systems

Also Published As

Publication number Publication date
CA1000617A (en) 1976-11-30
FR2230119A1 (sv) 1974-12-13
SE403333B (sv) 1978-08-07
SE421264B (sv) 1981-12-07
DE2463193C2 (de) 1983-12-29
NL186053C (nl) 1990-09-03
DE2423475C2 (de) 1984-01-05
NL7406698A (sv) 1974-11-19
DE2463192C2 (de) 1984-04-05
FR2230119B1 (sv) 1979-07-13
DE2423475A1 (de) 1974-12-05
NL186053B (nl) 1990-04-02
JPS5920205B2 (ja) 1984-05-11
JPS5032814A (sv) 1975-03-29
US3909733A (en) 1975-09-30

Similar Documents

Publication Publication Date Title
GB1430618A (en) Circuit arrangement having a variable frequency response
SE7710588L (sv) Koppling for att modifiera en insignals dynamikomrade
US3753169A (en) Bandpass filter using plural commutating capacitor units
GB1522100A (en) Bidirectional filter circuit
US3936777A (en) Arrangements for simulating inductance and filter networks incorporating such improvements
GB1347127A (en) Filter circuits
GB1413721A (en) Subnetworks for filter ladder networks
GB1392541A (en) Electrical filter
GB1473831A (sv)
JPS562673A (en) Optical receiver circuit
GB1153267A (en) Filter Circuit
SU623243A1 (ru) Сглаживающий фильтр
RU1800585C (ru) Активный фильтр с переключаемой полосой пропускани
GB1398733A (en) Variable filter
SE8103634L (sv) Kopplingsanordning for att efterbilda en induktans
SU675586A1 (ru) Гиратор
SU356754A1 (sv)
IL45236A (en) Failsafe amplifier circuit
SU473104A1 (ru) Устройство выбора полосы частот сигнала синхронизации высокочастотного осфиллографа
GB918535A (en) Improvements in or relating to cross-over circuits having negative feedback
JPS56165411A (en) Equalizer amplifier
SU123267A1 (ru) Фильтр низкой частоты
FR2230128A1 (en) High frequency multiplexer for television signals - uses differential dephasing with small variation with frequency
JPS5595495A (en) Speaker
JPS55163909A (en) Tone control circuit

Legal Events

Date Code Title Description
NUG Patent has lapsed

Ref document number: 7710588-0

Effective date: 19940610

Format of ref document f/p: F