KR920008527Y1 - 서브 브라이트 변경회로 - Google Patents
서브 브라이트 변경회로 Download PDFInfo
- Publication number
- KR920008527Y1 KR920008527Y1 KR2019900015677U KR900015677U KR920008527Y1 KR 920008527 Y1 KR920008527 Y1 KR 920008527Y1 KR 2019900015677 U KR2019900015677 U KR 2019900015677U KR 900015677 U KR900015677 U KR 900015677U KR 920008527 Y1 KR920008527 Y1 KR 920008527Y1
- Authority
- KR
- South Korea
- Prior art keywords
- bright
- sub
- resistor
- level
- reference level
- 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
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/57—Control of contrast or brightness
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/66—Digital/analogue converters
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/10—Details of semiconductor or other solid state devices to be connected
- H01L2924/11—Device type
- H01L2924/12—Passive devices, e.g. 2 terminal devices
- H01L2924/1207—Resistor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/10—Details of semiconductor or other solid state devices to be connected
- H01L2924/11—Device type
- H01L2924/13—Discrete devices, e.g. 3 terminal devices
- H01L2924/1304—Transistor
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Television Receiver Circuits (AREA)
Abstract
Description
Claims (1)
- 디지탈 아날로그 출력부(1)의 브라이트 콘트롤 전압이 비데오 신호 처리부(2)의 브라이트 콘트롤 단자(BC)에 인가되고 상기 브라이트 콘트롤 단자(BC)에 저항(R2)(R3)(R5)으로 설정된 서브 브라이트 기준 레벨이 인가되는 브라이트 콘트롤 회로에 있어서, 상기 브라이트 기준 레벨 설정용 저항(R3)에 연결되고 서로 값이 다른 저항(R6)(R7)(R8)과, 상기 저항(R6)(R7)(R8)에 연결되어 상기 저항(R6)(R7)(R8)을 선택적으로 접지 시키는 트랜지스터(Q1)(Q2)(Q3)로 구성된 레벨 변경부(3)를 구비하고 상기 트랜지스터(Q1)(Q2)(Q3)의 구동을 선택하는 마이콤(4)을 구비시켜 구성된 것을 특징으로 서브 브라이트 변경회로.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019900015677U KR920008527Y1 (ko) | 1990-10-12 | 1990-10-12 | 서브 브라이트 변경회로 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019900015677U KR920008527Y1 (ko) | 1990-10-12 | 1990-10-12 | 서브 브라이트 변경회로 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR920008617U KR920008617U (ko) | 1992-05-20 |
KR920008527Y1 true KR920008527Y1 (ko) | 1992-11-30 |
Family
ID=19304258
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR2019900015677U Expired KR920008527Y1 (ko) | 1990-10-12 | 1990-10-12 | 서브 브라이트 변경회로 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR920008527Y1 (ko) |
-
1990
- 1990-10-12 KR KR2019900015677U patent/KR920008527Y1/ko not_active Expired
Also Published As
Publication number | Publication date |
---|---|
KR920008617U (ko) | 1992-05-20 |
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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: 19901012 |
|
UA0201 | Request for examination |
Patent event date: 19901012 Patent event code: UA02012R01D Comment text: Request for Examination of Application |
|
UG1501 | Laying open of application | ||
UG1604 | Publication of application |
Patent event code: UG16041S01I Comment text: Decision on Publication of Application Patent event date: 19921031 |
|
E701 | Decision to grant or registration of patent right | ||
UE0701 | Decision of registration |
Patent event date: 19930227 Comment text: Decision to Grant Registration Patent event code: UE07011S01D |
|
REGI | Registration of establishment | ||
UR0701 | Registration of establishment |
Patent event date: 19930426 Patent event code: UR07011E01D Comment text: Registration of Establishment |
|
UR1002 | Payment of registration fee |
Start annual number: 1 End annual number: 3 Payment date: 19930421 |
|
UR1001 | Payment of annual fee |
Payment date: 19951030 Start annual number: 4 End annual number: 4 |
|
UR1001 | Payment of annual fee |
Payment date: 19961025 Start annual number: 5 End annual number: 5 |
|
UR1001 | Payment of annual fee |
Payment date: 19970829 Start annual number: 6 End annual number: 6 |
|
FPAY | Annual fee payment |
Payment date: 19981029 Year of fee payment: 7 |
|
UR1001 | Payment of annual fee |
Payment date: 19981029 Start annual number: 7 End annual number: 7 |
|
LAPS | Lapse due to unpaid annual fee | ||
UC1903 | Unpaid annual fee |