KR100224178B1 - 차량 오디오의 노이즈 억제 장치 - Google Patents
차량 오디오의 노이즈 억제 장치 Download PDFInfo
- Publication number
- KR100224178B1 KR100224178B1 KR1019950069409A KR19950069409A KR100224178B1 KR 100224178 B1 KR100224178 B1 KR 100224178B1 KR 1019950069409 A KR1019950069409 A KR 1019950069409A KR 19950069409 A KR19950069409 A KR 19950069409A KR 100224178 B1 KR100224178 B1 KR 100224178B1
- Authority
- KR
- South Korea
- Prior art keywords
- transistor
- output signal
- noise
- resistor
- noise suppression
- 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 - Fee Related
Links
- 230000001629 suppression Effects 0.000 title claims abstract description 15
- 239000003990 capacitor Substances 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims abstract description 6
- 230000000630 rising effect Effects 0.000 claims abstract description 5
- 230000000694 effects Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 5
- 230000003321 amplification Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/04—Supports for telephone transmitters or receivers
- H04M1/06—Hooks; Cradles
- H04M1/10—Hooks; Cradles associated with switches operated by magnetic effect due to proximity of receiver or hand-set
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K7/00—Modulating pulses with a continuously-variable modulating signal
- H03K7/08—Duration or width modulation ; Duty cycle modulation
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Amplifiers (AREA)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
Abstract
Description
Claims (1)
- 리어스탯의 출력신호를 PWM방식으로 제어하여 전반적인 외부 노이즈는 억제하는 차량 오디오의 노이즈 억제 장치에 있어서, 상기 리어스탯의 출력신호가 저항을 통하여 베이스 단자에 입력되는 트랜지스터와; 상기 저항을 통하여 상기 트랜지스터의 베이스단과 일단이 연결되고 상기 트랜지스터의 콜렉터 단자에 다른 일단이 연결되어 상기 트랜지스터의 베이스 단자에 걸리는 상승에지 시간이 보상되는 콘덴서를 구비하는 것을 특징으로 하는 차량 오디오의 노이즈 억제 장치.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019950069409A KR100224178B1 (ko) | 1995-12-30 | 1995-12-30 | 차량 오디오의 노이즈 억제 장치 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019950069409A KR100224178B1 (ko) | 1995-12-30 | 1995-12-30 | 차량 오디오의 노이즈 억제 장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR970055649A KR970055649A (ko) | 1997-07-31 |
KR100224178B1 true KR100224178B1 (ko) | 1999-10-15 |
Family
ID=19448440
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019950069409A Expired - Fee Related KR100224178B1 (ko) | 1995-12-30 | 1995-12-30 | 차량 오디오의 노이즈 억제 장치 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100224178B1 (ko) |
-
1995
- 1995-12-30 KR KR1019950069409A patent/KR100224178B1/ko not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
KR970055649A (ko) | 1997-07-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 19951230 |
|
A201 | Request for examination | ||
PA0201 | Request for examination |
Patent event code: PA02012R01D Patent event date: 19970616 Comment text: Request for Examination of Application Patent event code: PA02011R01I Patent event date: 19951230 Comment text: Patent Application |
|
PG1501 | Laying open of application | ||
E701 | Decision to grant or registration of patent right | ||
PE0701 | Decision of registration |
Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 19990429 |
|
GRNT | Written decision to grant | ||
PR0701 | Registration of establishment |
Comment text: Registration of Establishment Patent event date: 19990713 Patent event code: PR07011E01D |
|
PR1002 | Payment of registration fee |
Payment date: 19990714 End annual number: 3 Start annual number: 1 |
|
PG1601 | Publication of registration | ||
FPAY | Annual fee payment |
Payment date: 20020715 Year of fee payment: 6 |
|
PR1001 | Payment of annual fee |
Payment date: 20020715 Start annual number: 4 End annual number: 6 |
|
LAPS | Lapse due to unpaid annual fee | ||
PC1903 | Unpaid annual fee |
Termination category: Default of registration fee Termination date: 20060610 |