JPS647686B2 - - Google Patents

Info

Publication number
JPS647686B2
JPS647686B2 JP8889880A JP8889880A JPS647686B2 JP S647686 B2 JPS647686 B2 JP S647686B2 JP 8889880 A JP8889880 A JP 8889880A JP 8889880 A JP8889880 A JP 8889880A JP S647686 B2 JPS647686 B2 JP S647686B2
Authority
JP
Japan
Prior art keywords
level
audio
detection
ratio
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.)
Expired
Application number
JP8889880A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5714206A (en
Inventor
Masuo Wada
Norizo Nakamura
Hisao Ishii
Kyoshi Nakada
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.)
Toshiba Corp
Original Assignee
Toshiba 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 Toshiba Corp filed Critical Toshiba Corp
Priority to JP8889880A priority Critical patent/JPS5714206A/ja
Publication of JPS5714206A publication Critical patent/JPS5714206A/ja
Publication of JPS647686B2 publication Critical patent/JPS647686B2/ja
Granted legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03GCONTROL OF AMPLIFICATION
    • H03G3/00Gain control in amplifiers or frequency changers
    • H03G3/20Automatic control
    • H03G3/30Automatic control in amplifiers having semiconductor devices
    • H03G3/3005Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers
    • H03G3/3026Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers the gain being discontinuously variable, e.g. controlled by switching

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Control Of Amplification And Gain Control (AREA)
JP8889880A 1980-06-30 1980-06-30 Automatic controller for audio level Granted JPS5714206A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8889880A JPS5714206A (en) 1980-06-30 1980-06-30 Automatic controller for audio level

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8889880A JPS5714206A (en) 1980-06-30 1980-06-30 Automatic controller for audio level

Publications (2)

Publication Number Publication Date
JPS5714206A JPS5714206A (en) 1982-01-25
JPS647686B2 true JPS647686B2 (de) 1989-02-09

Family

ID=13955773

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8889880A Granted JPS5714206A (en) 1980-06-30 1980-06-30 Automatic controller for audio level

Country Status (1)

Country Link
JP (1) JPS5714206A (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60187115A (ja) * 1984-03-07 1985-09-24 Oki Electric Ind Co Ltd デイジタルagc回路

Also Published As

Publication number Publication date
JPS5714206A (en) 1982-01-25

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