JPH0335847B2 - - Google Patents

Info

Publication number
JPH0335847B2
JPH0335847B2 JP57063283A JP6328382A JPH0335847B2 JP H0335847 B2 JPH0335847 B2 JP H0335847B2 JP 57063283 A JP57063283 A JP 57063283A JP 6328382 A JP6328382 A JP 6328382A JP H0335847 B2 JPH0335847 B2 JP H0335847B2
Authority
JP
Japan
Prior art keywords
speaker
input
transistor
bits
control 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 - Lifetime
Application number
JP57063283A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58181308A (ja
Inventor
Keigo Takeda
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.)
Seiko Epson Corp
Original Assignee
Seiko Epson 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 Seiko Epson Corp filed Critical Seiko Epson Corp
Priority to JP6328382A priority Critical patent/JPS58181308A/ja
Publication of JPS58181308A publication Critical patent/JPS58181308A/ja
Publication of JPH0335847B2 publication Critical patent/JPH0335847B2/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)
JP6328382A 1982-04-16 1982-04-16 スピーカー駆動回路 Granted JPS58181308A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6328382A JPS58181308A (ja) 1982-04-16 1982-04-16 スピーカー駆動回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6328382A JPS58181308A (ja) 1982-04-16 1982-04-16 スピーカー駆動回路

Publications (2)

Publication Number Publication Date
JPS58181308A JPS58181308A (ja) 1983-10-24
JPH0335847B2 true JPH0335847B2 (cs) 1991-05-29

Family

ID=13224837

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6328382A Granted JPS58181308A (ja) 1982-04-16 1982-04-16 スピーカー駆動回路

Country Status (1)

Country Link
JP (1) JPS58181308A (cs)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009231864A (ja) * 2008-03-19 2009-10-08 Citizen Holdings Co Ltd 可変ゲインアンプ

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5124856A (en) * 1974-08-23 1976-02-28 Matsushita Electric Industrial Co Ltd Onryochoseikairo

Also Published As

Publication number Publication date
JPS58181308A (ja) 1983-10-24

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