AT334107B - Schaltung zur rauschunterdruckung - Google Patents

Schaltung zur rauschunterdruckung

Info

Publication number
AT334107B
AT334107B AT383572A AT383572A AT334107B AT 334107 B AT334107 B AT 334107B AT 383572 A AT383572 A AT 383572A AT 383572 A AT383572 A AT 383572A AT 334107 B AT334107 B AT 334107B
Authority
AT
Austria
Prior art keywords
circuit
noise reduction
noise
reduction
Prior art date
Application number
AT383572A
Other languages
English (en)
Other versions
ATA383572A (de
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Publication of ATA383572A publication Critical patent/ATA383572A/de
Application granted granted Critical
Publication of AT334107B publication Critical patent/AT334107B/de

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
AT383572A 1971-05-04 1972-05-03 Schaltung zur rauschunterdruckung AT334107B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7106040.A NL163388C (nl) 1971-05-04 1971-05-04 Ruisonderdrukkingsschakeling.

Publications (2)

Publication Number Publication Date
ATA383572A ATA383572A (de) 1976-04-15
AT334107B true AT334107B (de) 1976-12-27

Family

ID=19813073

Family Applications (1)

Application Number Title Priority Date Filing Date
AT383572A AT334107B (de) 1971-05-04 1972-05-03 Schaltung zur rauschunterdruckung

Country Status (10)

Country Link
US (1) US3818362A (de)
JP (1) JPS5238691B1 (de)
AT (1) AT334107B (de)
AU (1) AU465461B2 (de)
CA (1) CA946485A (de)
DE (1) DE2219794C3 (de)
FR (1) FR2135631B1 (de)
GB (1) GB1393152A (de)
IT (1) IT953872B (de)
NL (1) NL163388C (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US29529A (en) * 1860-08-07 Machine eoe
BE793740A (fr) * 1972-01-08 1973-05-02 Akai Electric Systeme d'enregistrement magnetique
US3940709A (en) * 1974-12-19 1976-02-24 Ampex Corporation Equalization circuit
US4110784A (en) * 1976-08-30 1978-08-29 Rca Corporation Noise reduction apparatus
NL7609730A (nl) * 1976-09-01 1978-03-03 Novanex Automation Nv Versterker.
DE2655325C2 (de) * 1976-12-07 1984-01-26 Saba Gmbh, 7730 Villingen-Schwenningen Magnetbandgerät mit einer im Wiedergabebetrieb wirksamen Rauschunterdrückungs-Schaltung
JPS5912850Y2 (ja) * 1978-03-06 1984-04-17 ホーチキ株式会社 チヤンネルレベル調整器
CA1188384A (en) * 1981-12-29 1985-06-04 Masayuki Katakura Noise reduction circuit
JPS5972871A (ja) * 1982-10-20 1984-04-24 Hitachi Ltd 固体ビデオカメラの低輝度時雑音低減装置
US4703507A (en) * 1984-04-05 1987-10-27 Holden Thomas W Noise reduction system
US4894566A (en) * 1988-10-18 1990-01-16 Rush Michael J Noise reduction circuit
KR100213073B1 (ko) * 1996-11-09 1999-08-02 윤종용 재생 오디오 신호의 주파수 특성 보상 장치
CN109191387B (zh) * 2018-07-20 2021-09-24 河南师范大学 一种基于巴特沃斯滤波器的红外图像去噪方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3270213A (en) * 1963-10-21 1966-08-30 Princeton Applied Res Corp Frequency responsive network
GB1111863A (en) * 1965-08-07 1968-05-01 English Electric Co Ltd Arrangements for filtering signals
GB1120541A (en) * 1965-08-11 1968-07-17 Dolby Ray Milton Improvements in noise reduction systems
US3631365A (en) * 1968-11-01 1971-12-28 Dolby Laboratories Inc Signal compressors and expanders
US3665345A (en) * 1969-07-21 1972-05-23 Dolby Laboratories Inc Compressors and expanders for noise reduction systems
US3548334A (en) * 1969-07-28 1970-12-15 Matsushita Electric Ind Co Ltd Noise reduction circuit and system

Also Published As

Publication number Publication date
GB1393152A (en) 1975-05-07
JPS5238691B1 (de) 1977-09-30
ATA383572A (de) 1976-04-15
FR2135631B1 (de) 1973-07-13
NL7106040A (de) 1972-11-07
CA946485A (en) 1974-04-30
DE2219794C3 (de) 1974-12-05
NL163388C (nl) 1980-08-15
DE2219794B2 (de) 1974-05-02
FR2135631A1 (de) 1972-12-22
AU4171572A (en) 1973-11-08
DE2219794A1 (de) 1972-11-30
AU465461B2 (en) 1975-09-25
NL163388B (nl) 1980-03-17
IT953872B (it) 1973-08-10
US3818362A (en) 1974-06-18

Similar Documents

Publication Publication Date Title
SE7507351L (sv) Integrerad krets
BE786656A (fr) Siloxanes
BE789216A (fr) Omposities werkwijze ter bereiding van poedervormige deklaagc
AT323963B (de) Bauelement
BE789171A (fr) Elektronisch weegstelsel met numerieke aflezing
BE789172A (fr) Elektronisch weegstelsel met numerieke aflezing
SE385756B (sv) Forsterkarkrets
SE389486B (sv) Kretstransportor
AT334107B (de) Schaltung zur rauschunterdruckung
CH538701A (de) Rauschzahlmesskreis
BE778793A (fr) Perfectionnements relatifs aux echelles
ATA405972A (de) Bauelement
AT329385B (de) Fahrgestell
LU64965A1 (fr) Einrichtung zur Temperaturmessung
CH539797A (de) Dämpfer
AT310828B (de) Demodulatorschaltung
BE788602A (fr) Werkwijze ter bereiding van elektrodenpekken
BE777787A (fr) Isolerende bedradingsplaat met penvormige verbindorganen
AT325120B (de) Integrierte schwellenschaltung
DK146140C (da) Kredsloeb til forbedring af signal/stoej-forhold
CH524290A (de) Schaltungsanordnung zur Unterdrückung von Störfrequenzen
AT312225B (de) Bauelement
CH512050A (de) Bauelement
BE778243A (fr) Complexes de difluoroxalatostannate (ii)
AT330422B (de) Bauelement

Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee
ELJ Ceased due to non-payment of the annual fee