FR2230119B1 - - Google Patents

Info

Publication number
FR2230119B1
FR2230119B1 FR7416847A FR7416847A FR2230119B1 FR 2230119 B1 FR2230119 B1 FR 2230119B1 FR 7416847 A FR7416847 A FR 7416847A FR 7416847 A FR7416847 A FR 7416847A FR 2230119 B1 FR2230119 B1 FR 2230119B1
Authority
FR
France
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
Application number
FR7416847A
Other versions
FR2230119A1 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
DOLBY LABORATORIES Inc
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 FR2230119A1 publication Critical patent/FR2230119A1/fr
Application granted granted Critical
Publication of FR2230119B1 publication Critical patent/FR2230119B1/fr
Expired legal-status Critical Current

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
FR7416847A 1973-05-17 1974-05-15 Expired FR2230119B1 (fr)

Applications Claiming Priority (2)

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

Publications (2)

Publication Number Publication Date
FR2230119A1 FR2230119A1 (fr) 1974-12-13
FR2230119B1 true FR2230119B1 (fr) 1979-07-13

Family

ID=26256641

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7416847A Expired FR2230119B1 (fr) 1973-05-17 1974-05-15

Country Status (7)

Country Link
US (1) US3909733A (fr)
JP (1) JPS5920205B2 (fr)
CA (1) CA1000617A (fr)
DE (3) DE2463193C2 (fr)
FR (1) FR2230119B1 (fr)
NL (1) NL186053C (fr)
SE (2) SE403333B (fr)

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.
FR2485838B1 (fr) * 1980-06-30 1986-02-21 Dolby Ray Dispositif destine a modifier la plage dynamique de signaux d'entree
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
DK168806B1 (da) * 1980-06-30 1994-06-13 Ray Milton Dolby Kredsløbsarrangement til modifikation af dynamikområde
GB2111356B (en) * 1981-12-01 1985-03-20 Ray Milton Dolby Improvements in circuit arrangements for modifying dynamic range
CA1188384A (fr) * 1981-12-29 1985-06-04 Masayuki Katakura Circuit reducteur de bruit
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 (fr) * 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
NL186053B (nl) 1990-04-02
SE7710588L (sv) 1977-09-21
NL7406698A (fr) 1974-11-19
DE2463193C2 (de) 1983-12-29
CA1000617A (en) 1976-11-30
DE2423475C2 (de) 1984-01-05
DE2463192C2 (de) 1984-04-05
NL186053C (nl) 1990-09-03
JPS5920205B2 (ja) 1984-05-11
DE2423475A1 (de) 1974-12-05
SE403333B (sv) 1978-08-07
JPS5032814A (fr) 1975-03-29
FR2230119A1 (fr) 1974-12-13
US3909733A (en) 1975-09-30
SE421264B (sv) 1981-12-07

Similar Documents

Publication Publication Date Title
AU476761B2 (fr)
AU465372B2 (fr)
AU474593B2 (fr)
AU474511B2 (fr)
AU474838B2 (fr)
AU450229B2 (fr)
AU476714B2 (fr)
FR2230119B1 (fr)
AU476696B2 (fr)
AU477823B2 (fr)
AU461342B2 (fr)
AU476873B1 (fr)
AU477824B2 (fr)
JPS49119685U (fr)
AU481893A (fr)
AU479458A (fr)
BG22829A3 (fr)
BG20675A1 (fr)
CH559070A5 (fr)
BG20441A1 (fr)
BG19498A1 (fr)
BG18914A1 (fr)
BG19646A1 (fr)
AU481237A (fr)
AU479562A (fr)

Legal Events

Date Code Title Description
CD Change of name or company name