NL7907014A - Ruisonderdrukkingsschakeling. - Google Patents

Ruisonderdrukkingsschakeling. Download PDF

Info

Publication number
NL7907014A
NL7907014A NL7907014A NL7907014A NL7907014A NL 7907014 A NL7907014 A NL 7907014A NL 7907014 A NL7907014 A NL 7907014A NL 7907014 A NL7907014 A NL 7907014A NL 7907014 A NL7907014 A NL 7907014A
Authority
NL
Netherlands
Prior art keywords
frequency
signal
control
input
signals
Prior art date
Application number
NL7907014A
Other languages
English (en)
Dutch (nl)
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 NL7907014A publication Critical patent/NL7907014A/nl

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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G5/00—Tone control or bandwidth control in amplifiers
    • H03G5/16—Automatic control
    • H03G5/18—Automatic control in untuned amplifiers
    • H03G5/22—Automatic control in untuned amplifiers having semiconductor devices

Landscapes

  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Networks Using Active Elements (AREA)
NL7907014A 1978-09-22 1979-09-20 Ruisonderdrukkingsschakeling. NL7907014A (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP11682878 1978-09-22
JP11682878A JPS5545112A (en) 1978-09-22 1978-09-22 Signal transmitter

Publications (1)

Publication Number Publication Date
NL7907014A true NL7907014A (nl) 1980-03-25

Family

ID=14696623

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7907014A NL7907014A (nl) 1978-09-22 1979-09-20 Ruisonderdrukkingsschakeling.

Country Status (7)

Country Link
US (1) US4306201A (de)
JP (1) JPS5545112A (de)
CA (1) CA1131355A (de)
DE (1) DE2938378A1 (de)
FR (1) FR2437118B1 (de)
GB (1) GB2032230B (de)
NL (1) NL7907014A (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0583492B1 (de) * 1992-07-31 1998-11-25 Aphex Systems, Ltd. Anordnung zur Anhebung der Bassfrequenz eines Audiosignals
JP3616878B2 (ja) * 2002-01-17 2005-02-02 オンキヨー株式会社 低域通過フィルタ
US8885275B1 (en) * 2013-12-18 2014-11-11 HGST Netherlands B.V. System and method for ATI/FTI detection in magnetic media
US9218847B2 (en) * 2013-12-18 2015-12-22 HGST Netherlands B.V. System and method for testing data storage systems utilizing micro-transitions

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE232937C (de) *
US2395159A (en) * 1942-06-29 1946-02-19 Rca Corp Electrical compressor method and system
GB1115015A (en) * 1966-03-01 1968-05-22 Rank Organisation Ltd Improvements in or relating to automatic bandwidth adjustment of an audio frequency signal
US3665345A (en) * 1969-07-21 1972-05-23 Dolby Laboratories Inc Compressors and expanders for noise reduction systems
GB1367002A (en) * 1971-04-06 1974-09-18 Victor Company Of Japan Compression and/or expansion system and circuit
JPS51127608A (en) * 1975-04-30 1976-11-06 Victor Co Of Japan Ltd Signal transmitting unit
JPS52142409A (en) * 1976-05-21 1977-11-28 Toshiba Corp Noise reduction system
JPS5912746Y2 (ja) * 1976-10-30 1984-04-17 赤井電機株式会社 テ−プレコ−ダ等におけるノイズ低減装置

Also Published As

Publication number Publication date
DE2938378A1 (de) 1980-04-03
GB2032230B (en) 1982-10-13
CA1131355A (en) 1982-09-07
US4306201A (en) 1981-12-15
JPS6136304B2 (de) 1986-08-18
FR2437118A1 (fr) 1980-04-18
JPS5545112A (en) 1980-03-29
GB2032230A (en) 1980-04-30
FR2437118B1 (fr) 1985-06-28

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Legal Events

Date Code Title Description
A85 Still pending on 85-01-01
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
BV The patent application has lapsed