KR200146560Y1 - 모니터의 음성 뮤트회로 - Google Patents
모니터의 음성 뮤트회로 Download PDFInfo
- Publication number
- KR200146560Y1 KR200146560Y1 KR2019960047901U KR19960047901U KR200146560Y1 KR 200146560 Y1 KR200146560 Y1 KR 200146560Y1 KR 2019960047901 U KR2019960047901 U KR 2019960047901U KR 19960047901 U KR19960047901 U KR 19960047901U KR 200146560 Y1 KR200146560 Y1 KR 200146560Y1
- Authority
- KR
- South Korea
- Prior art keywords
- amplifier
- mute
- transistor
- input
- terminal
- 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
Links
- 230000005236 sound signal Effects 0.000 claims abstract description 21
- 239000003990 capacitor Substances 0.000 description 12
- 230000003321 amplification Effects 0.000 description 5
- 238000003199 nucleic acid amplification method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000009499 grossing Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
Landscapes
- Amplifiers (AREA)
Abstract
Description
Claims (1)
- 플러스단자(+)로 입력되는 L음성신호를 증폭하는 제 1 OP앰프(A10)와, 플러스단자(+)로 입력되는 R음성신호를 증폭하는 제 2 OP앰프(A11)로 구성된 증폭부(10)를 포함하는 오디오회로에 있어서,상기 OP앰프(A10)(A11)의 마이너스단자(-)로 소정의 기준전압을 공급하기위한 이득제어단자(G)와, 입력되는 뮤트제어신호에 따라 스위칭동작하는 트랜지스터(Q10)와, 상기 트랜지스터(Q10)의 오프동작시 온동작하여 제 1 OP앰프(A10)의 마이너스단자(-)로 구동전원(12V)이 공급되도록 하는 다이오드(D10)와, 트랜지스터(Q10)의 오프동작시 온동작하여 제 2 OP앰프(A11)의 마이너스단자(-)로 구동전원(12V)이 공급되도록 하는 다이오드(D11)로 구성되는 것을 특징으로하는 모니터의 음성 뮤트회로.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019960047901U KR200146560Y1 (ko) | 1996-12-11 | 1996-12-11 | 모니터의 음성 뮤트회로 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019960047901U KR200146560Y1 (ko) | 1996-12-11 | 1996-12-11 | 모니터의 음성 뮤트회로 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR19980034946U KR19980034946U (ko) | 1998-09-15 |
KR200146560Y1 true KR200146560Y1 (ko) | 1999-06-15 |
Family
ID=19478681
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR2019960047901U Expired - Lifetime KR200146560Y1 (ko) | 1996-12-11 | 1996-12-11 | 모니터의 음성 뮤트회로 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR200146560Y1 (ko) |
-
1996
- 1996-12-11 KR KR2019960047901U patent/KR200146560Y1/ko not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
KR19980034946U (ko) | 1998-09-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
UA0108 | Application for utility model registration |
Comment text: Application for Utility Model Registration Patent event code: UA01011R08D Patent event date: 19961211 |
|
UA0201 | Request for examination |
Patent event date: 19961211 Patent event code: UA02012R01D Comment text: Request for Examination of Application |
|
UG1501 | Laying open of application | ||
E701 | Decision to grant or registration of patent right | ||
UE0701 | Decision of registration |
Patent event date: 19981128 Comment text: Decision to Grant Registration Patent event code: UE07011S01D |
|
REGI | Registration of establishment | ||
UR0701 | Registration of establishment |
Patent event date: 19990227 Patent event code: UR07011E01D Comment text: Registration of Establishment |
|
UR1002 | Payment of registration fee |
Start annual number: 1 End annual number: 3 Payment date: 19990302 |
|
UG1601 | Publication of registration | ||
LAPS | Lapse due to unpaid annual fee |