JPS5320754A - Dc sound volume adjusting circuit - Google Patents

Dc sound volume adjusting circuit

Info

Publication number
JPS5320754A
JPS5320754A JP9569976A JP9569976A JPS5320754A JP S5320754 A JPS5320754 A JP S5320754A JP 9569976 A JP9569976 A JP 9569976A JP 9569976 A JP9569976 A JP 9569976A JP S5320754 A JPS5320754 A JP S5320754A
Authority
JP
Japan
Prior art keywords
sound volume
adjusting circuit
volume adjusting
emitter
decrease
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
JP9569976A
Other languages
Japanese (ja)
Other versions
JPS5648085B2 (en
Inventor
Tetsuo Kuchiki
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP9569976A priority Critical patent/JPS5320754A/en
Publication of JPS5320754A publication Critical patent/JPS5320754A/en
Publication of JPS5648085B2 publication Critical patent/JPS5648085B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Control Of Amplification And Gain Control (AREA)

Abstract

PURPOSE: To decrease the emitter current without increasing the emitter resistance of pnp transistor as well as to decrease the voltage between the base and emitter to drop DC volume to earth. Thus, the residual sound is minimized when the sound volume is set to minimum.
COPYRIGHT: (C)1978,JPO&Japio
JP9569976A 1976-08-10 1976-08-10 Dc sound volume adjusting circuit Granted JPS5320754A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9569976A JPS5320754A (en) 1976-08-10 1976-08-10 Dc sound volume adjusting circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9569976A JPS5320754A (en) 1976-08-10 1976-08-10 Dc sound volume adjusting circuit

Publications (2)

Publication Number Publication Date
JPS5320754A true JPS5320754A (en) 1978-02-25
JPS5648085B2 JPS5648085B2 (en) 1981-11-13

Family

ID=14144738

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9569976A Granted JPS5320754A (en) 1976-08-10 1976-08-10 Dc sound volume adjusting circuit

Country Status (1)

Country Link
JP (1) JPS5320754A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62157720U (en) * 1986-03-26 1987-10-07

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62157720U (en) * 1986-03-26 1987-10-07

Also Published As

Publication number Publication date
JPS5648085B2 (en) 1981-11-13

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