KR950006305Y1 - Color combination circuit of monochrome monitor - Google Patents
Color combination circuit of monochrome monitor Download PDFInfo
- Publication number
- KR950006305Y1 KR950006305Y1 KR2019900007249U KR900007249U KR950006305Y1 KR 950006305 Y1 KR950006305 Y1 KR 950006305Y1 KR 2019900007249 U KR2019900007249 U KR 2019900007249U KR 900007249 U KR900007249 U KR 900007249U KR 950006305 Y1 KR950006305 Y1 KR 950006305Y1
- Authority
- KR
- South Korea
- Prior art keywords
- monochrome monitor
- color
- color combination
- circuit
- computer
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/02—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the way in which colour is displayed
- G09G5/028—Circuits for converting colour display signals into monochrome display signals
Abstract
내용 없음.No content.
Description
제 1 도는 본 고안의 회로도.1 is a circuit diagram of the present invention.
* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings
1 : 가산회로 2 : 버퍼회로1: addition circuit 2: buffer circuit
r1-r6: 저항 OP1-OP2: 연산증폭기r 1 -r 6 : Resistor OP 1 -OP 2 : Operational Amplifier
R : 적색(Red) G : 녹색(Green)R: Red G: Green
B : 청색(Blue)B: Blue
본 고안 모노크롬 모니터에 있어서 그래픽 또는 문자 디스플레이 색상을 흰색의 명도로만 재현되도록 하는 모노크롬 모니터의 색상 조합 회로에 관한 것이다.The present invention relates to a color combination circuit of a monochrome monitor in which a graphic or text display color is reproduced only in white brightness in a monochrome monitor.
일반적으로 모노크롬 모니터의 적색(R), 녹색(G), 청색(B)의 3색 신호중 단색만을 사용하여 문자 및 도형이 디스플레이되도록 함으로서 컴퓨터와 모노크롬 모니터를 연결 사용할 경우 컴퓨터가 재현하고자 하는 색상이 모니터에 디스플레이되는 색상과 다를 때 표현이 잘되지 않게 되어 컴퓨터로부터 출력되는 데이터를 사용자가 정확히 파악할 수 없어 모노크롬 모니터의 신뢰성이 저하되는 문제점이 야기되었던 것이다.Generally, characters and figures are displayed using only one color among the red (R), green (G), and blue (B) three-color signals of the monochrome monitor, so when the computer is connected to the monochrome monitor, the color that the computer wants to reproduce is displayed. When it is different from the color displayed on the display, the expression is not good, and the data output from the computer cannot be accurately understood by the user, which causes a problem of deteriorating the reliability of the monochrome monitor.
그러므로 본 고안은 상기와 같은 문제점을 해결하기 위하여 안출된 것으로 컴퓨터에서 출력되는 R, G, B신호의 3색을 서로 합하여 평균한후 영상신호를 사용하게 되면 흰색의 명도만으로 모노크롬 모니터에 그래픽 및 문자를 재현되게하는 모노크롬 모니터의 색상 조합회로를 제공하여 컴퓨터와 모노크롬 모니터를 연결사용할 경우 색상 차이로 인한 디스플레이 되지 않는 부분을 정확히 재현되게 함으로서 모노크롬 모니터의 신뢰성 향상에 기여하고자 하는데 본 고안의 목적이 있는 것이다.Therefore, the present invention was devised to solve the above problems. When three colors of R, G, and B signals output from a computer are summed and averaged together, the image signal is used to display graphics and characters on a monochrome monitor with only white brightness. The purpose of the present invention is to contribute to the improvement of the reliability of the monochrome monitor by providing a color combination circuit of the monochrome monitor that allows to reproduce the non-display part due to the color difference when the computer and the monochrome monitor are connected. .
이하 첨부된 도면에 의해 상세히 설명하면 다음과 같다.Hereinafter, described in detail by the accompanying drawings as follows.
제 1 도에서와 같이 컴퓨터로 부터 출력되는 적색(R), 녹색(G), 청색(B)의 영상 신호를 저항(r1)(r2)(r3)을 통하여 가산회로(1)인 연산증폭기(OP1)의 반전단자(-)에 인가하고 상기 가산회로(1)의 출력단은 저항(r5)을 거쳐 버퍼회로(2)인 연산증폭기(OP2)의 반전단자(-)로 연결하되 각 연산증폭기(OP1)(OP2)에는 저항(r4)(r6)로 궤환시켜서된 모노크롬 모니터의 색상 조합회로인 것이다.As shown in FIG. 1, the red (R), green (G), and blue (B) video signals output from the computer are added through the resistors r 1 , r 2 , and r 3 . It is applied to the inverting terminal (-) of the operational amplifier OP 1 and the output terminal of the addition circuit 1 passes through the resistor r 5 to the inverting terminal (-) of the operational amplifier OP 2 which is the buffer circuit 2. It is connected to each of the operational amplifier (OP 1 ) (OP 2 ) is the color combination circuit of the monochrome monitor that is fed back to the resistor (r 4 ) (r 6 ).
상기와 같은 구성으로 이루어진 본 고안의 작용 효과를 설명하면 다음과 같다.Referring to the effect of the present invention made of the configuration as described above are as follows.
먼저 컴퓨터로 부터 적색(R), 녹색(G), 청색(B) 신호가 모노크롬 모니터에 인가되면(r1-r3)을 통하여 가산회로(1)의 연산증폭기(OP1)로 입력된다. 이때 컴퓨터에서 출력되는 적색(R), 녹색(G), 청색(B)의 각 신호 전압을 VR, VG, VB라 하면 이의 전압이 저항(r1-r3)을 경우할때의 적색 전류(IR)는이 되며 녹색전류(IG)는, 그리고 청색 전류(IB)는로 각각되고, 만일 저항(r1-r3)값 모두 동일한 값을 가질때 (r1=r2=r3=r) 가산회로(1)의 입력신호(Io)는된다.First, when the red (R), green (G), and blue (B) signals are applied from the computer to the monochrome monitor (r 1 -r 3 ), they are input to the operational amplifier OP 1 of the addition circuit 1. At this time, if the signal voltages of red (R), green (G), and blue (B) are VR, VG, and VB output from the computer, the red current when the voltage is the resistance (r 1- r 3 ) IR) And green current (IG) , And the blue current (IB) When the resistances r 1 -r 3 have the same value (r 1 = r 2 = r 3 = r), the input signal Io of the addition circuit 1 is do.
여기에서 궤환 저항(r4)값이값을 가지면 가산회로(1)의 출력 전압(V1)은즉된다.Where the feedback resistance (r 4 ) is With a value, the output voltage V 1 of the addition circuit 1 is In other words do.
한편 두저항(r5)(r6)값이 서로 동일할 경우(r5=r6=ra) 버퍼회로(2)의 출력전압(V2)이(=-V1)로 되며 최종 출력신호는가 됨으로서 모노크롬 모니터에 재현되는 색상은 컴퓨터로 부터 출력된 R, G, B색상이 평균값으로 되어 칼러색상신호를 흰색의 명도에 의해서 그래픽 및 문자가 재현되는 것이다.On the other hand, when the values of the two resistors r 5 and r 6 are the same (r 5 = r 6 = r a ), the output voltage V 2 of the buffer circuit 2 (= -V 1 ) and the final output signal When the color is reproduced on the monochrome monitor, the R, G, and B colors output from the computer become average values, and the color and color signals are reproduced by the brightness of white.
이상에서 상술한 바와 같이 작용하는 본 고안은 컴퓨터와 모노크롬 모니터를 연결 사용할 경우 컴퓨터로 부터 출력되는 R, G, B의 색상 신호를 평균하여 흰색 명도 만으로 디스플레이되도록 하는 모노크롬 모니터의 색상 조합회로를 제공합으로서 보이지 않는 부분을 선명한 화상으로 제공하여 모노크롬 모니터의 신뢰성 향상에 기여할 수 있는 유용한 고안인 것이다.The present invention, which works as described above, provides a color combination circuit of a monochrome monitor that displays the display with only white brightness by averaging the R, G, and B color signals output from the computer when the computer and the monochrome monitor are connected. It is a useful design that can contribute to the improvement of the reliability of a monochrome monitor by providing an invisible portion as a clear image.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019900007249U KR950006305Y1 (en) | 1990-05-28 | 1990-05-28 | Color combination circuit of monochrome monitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019900007249U KR950006305Y1 (en) | 1990-05-28 | 1990-05-28 | Color combination circuit of monochrome monitor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR910020809U KR910020809U (en) | 1991-12-20 |
| KR950006305Y1 true KR950006305Y1 (en) | 1995-08-05 |
Family
ID=19299229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR2019900007249U KR950006305Y1 (en) | 1990-05-28 | 1990-05-28 | Color combination circuit of monochrome monitor |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR950006305Y1 (en) |
-
1990
- 1990-05-28 KR KR2019900007249U patent/KR950006305Y1/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| KR910020809U (en) | 1991-12-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4788535A (en) | Display apparatus | |
| US5583536A (en) | Method and apparatus for analog video merging and key detection | |
| US5576723A (en) | VGA signal converter for converting VGA color signals to VGA monochrome signals | |
| EP0204821B1 (en) | Circuit means for converting digital signals representing color information into analog voltage level signals | |
| EP0280744A1 (en) | Picture display apparatus | |
| JPH0432594B2 (en) | ||
| KR950006305Y1 (en) | Color combination circuit of monochrome monitor | |
| US5896121A (en) | Data-dependent color display for vectorscopes | |
| KR870011791A (en) | Brightness Control Circuit for TV Receiver | |
| US5438341A (en) | Monitor interface architecture for black level transfer | |
| KR0180723B1 (en) | Clear blue circuit for use with computer monitors and the like | |
| JPS63287178A (en) | Picture display circuit | |
| KR950006304Y1 (en) | Color reappear circuit of monochrome monitor | |
| JPS5933076Y2 (en) | light pen input device | |
| KR910003034Y1 (en) | Shadow adjustable circuit for monitor | |
| JPH0238313Y2 (en) | ||
| KR910001315Y1 (en) | Color choosing circuit of charactors on display monitor | |
| KR880002704Y1 (en) | Amber-only switching circuit of a color monitor | |
| JP2576591B2 (en) | Color conversion circuit | |
| KR890004972Y1 (en) | Contrast control circuit | |
| KR950000443Y1 (en) | Interfacing apparatus | |
| KR910002841Y1 (en) | Luminance signal level translating circuit for tv set/monitor | |
| KR910008283Y1 (en) | Blanking signal detecting circuit | |
| JPS6198386A (en) | Color display unit | |
| JPH032312B2 (en) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A201 | Request for examination | ||
| E701 | Decision to grant or registration of patent right | ||
| REGI | Registration of establishment | ||
| FPAY | Annual fee payment |
Payment date: 19990731 Year of fee payment: 5 |
|
| LAPS | Lapse due to unpaid annual fee |