JPS53144607A - Noise reducing circuit - Google Patents

Noise reducing circuit

Info

Publication number
JPS53144607A
JPS53144607A JP6030877A JP6030877A JPS53144607A JP S53144607 A JPS53144607 A JP S53144607A JP 6030877 A JP6030877 A JP 6030877A JP 6030877 A JP6030877 A JP 6030877A JP S53144607 A JPS53144607 A JP S53144607A
Authority
JP
Japan
Prior art keywords
noise reducing
reducing circuit
relatively
controlled
improve
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.)
Pending
Application number
JP6030877A
Other languages
Japanese (ja)
Inventor
Tetsuo Shimizu
Masaru Nishimura
Kenichi Sato
Takehiko Asano
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.)
Sanyo Electric Co Ltd
Original Assignee
Sanyo Electric Co Ltd
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 Sanyo Electric Co Ltd filed Critical Sanyo Electric Co Ltd
Priority to JP6030877A priority Critical patent/JPS53144607A/en
Publication of JPS53144607A publication Critical patent/JPS53144607A/en
Pending 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

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)

Abstract

PURPOSE:To improve the noise reduction effect of a tape recorder, etc., of relatively-narrow dynamic range, by providing a variable emphasis circuit which is controlled by the treble component of a signal.
JP6030877A 1977-05-23 1977-05-23 Noise reducing circuit Pending JPS53144607A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6030877A JPS53144607A (en) 1977-05-23 1977-05-23 Noise reducing circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6030877A JPS53144607A (en) 1977-05-23 1977-05-23 Noise reducing circuit

Publications (1)

Publication Number Publication Date
JPS53144607A true JPS53144607A (en) 1978-12-16

Family

ID=13138392

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6030877A Pending JPS53144607A (en) 1977-05-23 1977-05-23 Noise reducing circuit

Country Status (1)

Country Link
JP (1) JPS53144607A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59146230A (en) * 1983-01-31 1984-08-22 ミルズ―ラルストン，インコーポレイテッド Adaptive signal weighing system
JPS63121325A (en) * 1986-10-21 1988-05-25 アールシーエー　トムソン　ライセンシング　コーポレイシヨン Variable signal filter circuit network

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59146230A (en) * 1983-01-31 1984-08-22 ミルズ―ラルストン，インコーポレイテッド Adaptive signal weighing system
JPS63121325A (en) * 1986-10-21 1988-05-25 アールシーエー　トムソン　ライセンシング　コーポレイシヨン Variable signal filter circuit network

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