KR960036311A - A sawtooth voltage generation circuit, a parabola wave voltage generation circuit, and a monitor device - Google Patents
A sawtooth voltage generation circuit, a parabola wave voltage generation circuit, and a monitor device Download PDFInfo
- Publication number
- KR960036311A KR960036311A KR1019960005296A KR19960005296A KR960036311A KR 960036311 A KR960036311 A KR 960036311A KR 1019960005296 A KR1019960005296 A KR 1019960005296A KR 19960005296 A KR19960005296 A KR 19960005296A KR 960036311 A KR960036311 A KR 960036311A
- Authority
- KR
- South Korea
- Prior art keywords
- generation circuit
- voltage generation
- clock
- counter
- wave voltage
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K4/00—Generating pulses having essentially a finite slope or stepped portions
- H03K4/06—Generating pulses having essentially a finite slope or stepped portions having triangular shape
- H03K4/08—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape
- H03K4/085—Protection of sawtooth generators
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K4/00—Generating pulses having essentially a finite slope or stepped portions
- H03K4/04—Generating pulses having essentially a finite slope or stepped portions having parabolic shape
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
- H04N3/10—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical
- H04N3/16—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical by deflecting electron beam in cathode-ray tube, e.g. scanning corrections
- H04N3/22—Circuits for controlling dimensions, shape or centering of picture on screen
- H04N3/23—Distortion correction, e.g. for pincushion distortion correction, S-correction
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Details Of Television Scanning (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Abstract
본 발명은 시상수 회로를 이용하지 않는 톱니파전압 발생 회로 및 파라볼라 전압 발생 회로, 그리고 모니터 장치를 제공한다.The present invention provides a sawtooth voltage generation circuit, a parabola voltage generation circuit, and a monitor device which do not use a time constant circuit.
발생시켜야 할 톱니파 전압을 소정 위상으로 분할한 각 위상 범위내의 초기치를 저장하는 ROM(1), 주파수가 다른 클럭 f1, f2, f3, f4,f5를 전환하는 전환 회로(3), ROM(1)의 내용 및 전환 회로(3)로부터의 클럭이 입력되는 8비트 업카운터(2), 전환 회로(3)로부터 클럭이 입력되고 오버플로 신호를 8비트 업카운터(2)로 보내는 4비트 업카운터, 및 업카운터(2, 4)의 카운트 데이타가 입력되는 디지탈/아날로그 변환기(5)를 구비한다.ROM (1) storing the initial value in each of the phase ranges obtained by dividing a sawtooth wave voltage to be generated at a predetermined phase, frequency, another clock f 1, f 2, f 3, f 4, a switching circuit for switching the f 5 (3) An 8-bit up counter 2 to which the contents of the ROM 1 and a clock from the switching circuit 3 are inputted and a clock which is inputted from the switching circuit 3 and which sends an overflow signal to the 8-bit up counter 2 A 4-bit up counter, and a digital / analog converter 5 to which count data of the up counters 2 and 4 are input.
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is a trivial issue, I did not include the contents of the text.
제1도는 본 발명에 따른 톱니파 전압 발생 회로의 구성을 도시하는 블럭도, 제4도는 본 발명에 따른 파라볼라파 전압 발생 회로의 구성을 도시하는 블럭도.FIG. 1 is a block diagram showing a configuration of a sawtooth voltage generator circuit according to the present invention; FIG. 4 is a block diagram showing a configuration of a parabola wave voltage generator circuit according to the present invention;
Claims (3)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7042130A JPH08242150A (en) | 1995-03-01 | 1995-03-01 | Saw tooth voltage generation circuit, parabolic voltage generation circuit and monitoring device |
JP95-042130 | 1995-03-01 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR960036311A true KR960036311A (en) | 1996-10-28 |
KR100267046B1 KR100267046B1 (en) | 2000-09-15 |
Family
ID=12627362
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019960005296A KR100267046B1 (en) | 1995-03-01 | 1996-02-29 | Sawtooth-voltage generating circuit and parabola-voltage generating circuit and monitor device |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPH08242150A (en) |
KR (1) | KR100267046B1 (en) |
CN (1) | CN1097879C (en) |
TW (1) | TW296509B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI456880B (en) | 2012-11-19 | 2014-10-11 | Ind Tech Res Inst | Switch circuit |
-
1995
- 1995-03-01 JP JP7042130A patent/JPH08242150A/en active Pending
-
1996
- 1996-02-07 TW TW085101485A patent/TW296509B/zh active
- 1996-02-29 KR KR1019960005296A patent/KR100267046B1/en not_active IP Right Cessation
- 1996-03-01 CN CN96105972A patent/CN1097879C/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPH08242150A (en) | 1996-09-17 |
KR100267046B1 (en) | 2000-09-15 |
CN1143859A (en) | 1997-02-26 |
CN1097879C (en) | 2003-01-01 |
TW296509B (en) | 1997-01-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
E902 | Notification of reason for refusal | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 20050623 Year of fee payment: 6 |
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LAPS | Lapse due to unpaid annual fee |