JPH0342524B2 - - Google Patents

Info

Publication number
JPH0342524B2
JPH0342524B2 JP1069782A JP1069782A JPH0342524B2 JP H0342524 B2 JPH0342524 B2 JP H0342524B2 JP 1069782 A JP1069782 A JP 1069782A JP 1069782 A JP1069782 A JP 1069782A JP H0342524 B2 JPH0342524 B2 JP H0342524B2
Authority
JP
Japan
Prior art keywords
volume
variable resistor
voltage
resistor
switching transistor
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
JP1069782A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58129811A (ja
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 filed Critical
Priority to JP57010697A priority Critical patent/JPS58129811A/ja
Publication of JPS58129811A publication Critical patent/JPS58129811A/ja
Publication of JPH0342524B2 publication Critical patent/JPH0342524B2/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
    • H03G3/02—Manually-operated control
    • H03G3/04—Manually-operated control in untuned amplifiers

Landscapes

  • Control Of Amplification And Gain Control (AREA)
JP57010697A 1982-01-26 1982-01-26 音量制御装置 Granted JPS58129811A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57010697A JPS58129811A (ja) 1982-01-26 1982-01-26 音量制御装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57010697A JPS58129811A (ja) 1982-01-26 1982-01-26 音量制御装置

Publications (2)

Publication Number Publication Date
JPS58129811A JPS58129811A (ja) 1983-08-03
JPH0342524B2 true JPH0342524B2 (Direct) 1991-06-27

Family

ID=11757473

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57010697A Granted JPS58129811A (ja) 1982-01-26 1982-01-26 音量制御装置

Country Status (1)

Country Link
JP (1) JPS58129811A (Direct)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4934395A (en) * 1988-09-29 1990-06-19 `Totes`, Incorporated Short fold rib linkage for an umbrella

Also Published As

Publication number Publication date
JPS58129811A (ja) 1983-08-03

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