JPS5733835A - Noise detecting circuit - Google Patents

Noise detecting circuit

Info

Publication number
JPS5733835A
JPS5733835A JP10767780A JP10767780A JPS5733835A JP S5733835 A JPS5733835 A JP S5733835A JP 10767780 A JP10767780 A JP 10767780A JP 10767780 A JP10767780 A JP 10767780A JP S5733835 A JPS5733835 A JP S5733835A
Authority
JP
Japan
Prior art keywords
circuit
signal
level
noise
output signal
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.)
Granted
Application number
JP10767780A
Other languages
English (en)
Japanese (ja)
Other versions
JPS643377B2 (enrdf_load_stackoverflow
Inventor
Kiyoshi Amasawa
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.)
Faurecia Clarion Electronics Co Ltd
Original Assignee
Clarion 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 Clarion Co Ltd filed Critical Clarion Co Ltd
Priority to JP10767780A priority Critical patent/JPS5733835A/ja
Publication of JPS5733835A publication Critical patent/JPS5733835A/ja
Publication of JPS643377B2 publication Critical patent/JPS643377B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/34—Muting amplifier when no signal is present
    • H03G3/344—Muting responsive to the amount of noise (noise squelch)

Landscapes

  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Noise Elimination (AREA)
JP10767780A 1980-08-07 1980-08-07 Noise detecting circuit Granted JPS5733835A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10767780A JPS5733835A (en) 1980-08-07 1980-08-07 Noise detecting circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10767780A JPS5733835A (en) 1980-08-07 1980-08-07 Noise detecting circuit

Publications (2)

Publication Number Publication Date
JPS5733835A true JPS5733835A (en) 1982-02-24
JPS643377B2 JPS643377B2 (enrdf_load_stackoverflow) 1989-01-20

Family

ID=14465177

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10767780A Granted JPS5733835A (en) 1980-08-07 1980-08-07 Noise detecting circuit

Country Status (1)

Country Link
JP (1) JPS5733835A (enrdf_load_stackoverflow)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51105217A (ja) * 1975-03-13 1976-09-17 Toyo Communication Equip Sukeruchikairo

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51105217A (ja) * 1975-03-13 1976-09-17 Toyo Communication Equip Sukeruchikairo

Also Published As

Publication number Publication date
JPS643377B2 (enrdf_load_stackoverflow) 1989-01-20

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