FR2512610B1 - Reducteur de bruit - Google Patents

Reducteur de bruit

Info

Publication number
FR2512610B1
FR2512610B1 FR8117106A FR8117106A FR2512610B1 FR 2512610 B1 FR2512610 B1 FR 2512610B1 FR 8117106 A FR8117106 A FR 8117106A FR 8117106 A FR8117106 A FR 8117106A FR 2512610 B1 FR2512610 B1 FR 2512610B1
Authority
FR
France
Prior art keywords
noise reducer
reducer
noise
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
Application number
FR8117106A
Other languages
English (en)
Other versions
FR2512610A1 (fr
Inventor
Kenzo Akagiri
Masayuki Katakura
Motomi Ohkouchi
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.)
Sony Corp
Original Assignee
Sony Corp
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
Application filed by Sony Corp filed Critical Sony Corp
Publication of FR2512610A1 publication Critical patent/FR2512610A1/fr
Application granted granted Critical
Publication of FR2512610B1 publication Critical patent/FR2512610B1/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
FR8117106A 1980-09-09 1981-09-09 Reducteur de bruit Expired FR2512610B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55123967A JPS5752240A (en) 1980-09-09 1980-09-09 Noise reducing circuit

Publications (2)

Publication Number Publication Date
FR2512610A1 FR2512610A1 (fr) 1983-03-11
FR2512610B1 true FR2512610B1 (fr) 1986-03-14

Family

ID=14873746

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8117106A Expired FR2512610B1 (fr) 1980-09-09 1981-09-09 Reducteur de bruit

Country Status (9)

Country Link
US (1) US4441083A (fr)
JP (1) JPS5752240A (fr)
AT (1) AT374939B (fr)
AU (1) AU545788B2 (fr)
CA (1) CA1161560A (fr)
DE (1) DE3135724A1 (fr)
FR (1) FR2512610B1 (fr)
GB (1) GB2083987B (fr)
NL (1) NL8104170A (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6135999A (ja) * 1984-07-30 1986-02-20 豊田合成株式会社 装飾体
JPS6330199U (fr) * 1986-08-09 1988-02-27
JPS63130399A (ja) * 1986-11-20 1988-06-02 浅田　登 鋳出し外観を有する立体装飾表示部材
US5142164A (en) * 1990-03-26 1992-08-25 Illinois Institute Of Technology Subharomic noise reduction circuit
JPH089279B2 (ja) * 1991-09-17 1996-01-31 登 浅田 金属彫刻様鋳出し外観を有する小形装飾部材の製造方法
US8558613B2 (en) 2011-08-02 2013-10-15 Analog Devices, Inc. Apparatus and method for digitally-controlled automatic gain amplification
US8718127B2 (en) * 2011-08-02 2014-05-06 Analog Devices, Inc. Apparatus and method for digitally-controlled adaptive equalizer
US10205473B2 (en) * 2016-11-30 2019-02-12 The Regents Of The University Of California Cartesian error-feedback transmitter architecture with a feedforward path

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3665345A (en) * 1969-07-21 1972-05-23 Dolby Laboratories Inc Compressors and expanders for noise reduction systems
US3678416A (en) * 1971-07-26 1972-07-18 Richard S Burwen Dynamic noise filter having means for varying cutoff point
US3848091A (en) * 1973-04-12 1974-11-12 Holmes J Method of fitting a prosthetic device for providing corrections of auditory deficiencies in aurally handicapped persons
GB1515335A (en) * 1974-06-21 1978-06-21 Hitachi Ltd Equalizer having variable attenuation
JPS5947489B2 (ja) * 1975-11-07 1984-11-19 株式会社日立製作所 カヘントウカキ
JPS53121506A (en) * 1977-03-31 1978-10-24 Pioneer Electronic Corp Signal compressing and expanding device
DE2842945C3 (de) * 1978-10-02 1981-11-19 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Schaltung zur Erzeugung eines Steuersignals zur Steuerung des Übertragungsmaßes von elektronisch steuerbaren Verstärkungs-oder Dämpfungsgliedern

Also Published As

Publication number Publication date
CA1161560A (fr) 1984-01-31
US4441083A (en) 1984-04-03
FR2512610A1 (fr) 1983-03-11
AT374939B (de) 1984-06-12
DE3135724A1 (de) 1982-04-29
AU545788B2 (en) 1985-08-01
GB2083987A (en) 1982-03-31
AU7492381A (en) 1982-03-18
GB2083987B (en) 1984-05-31
JPS5752240A (en) 1982-03-27
NL8104170A (nl) 1982-04-01
ATA389981A (de) 1983-10-15

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Legal Events

Date Code Title Description
ST Notification of lapse