KR960043756A - Voltage generating method, voltage generating circuit and monitor device - Google Patents

Voltage generating method, voltage generating circuit and monitor device Download PDF

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Publication number
KR960043756A
KR960043756A KR1019960018729A KR19960018729A KR960043756A KR 960043756 A KR960043756 A KR 960043756A KR 1019960018729 A KR1019960018729 A KR 1019960018729A KR 19960018729 A KR19960018729 A KR 19960018729A KR 960043756 A KR960043756 A KR 960043756A
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South Korea
Prior art keywords
waveform data
voltage
voltage generating
waveform
generated
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KR1019960018729A
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Korean (ko)
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KR100269755B1 (en
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모리히꼬 스미노
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다까노 야스아끼
상요덴기 가부시끼가이샤
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Publication of KR960043756A publication Critical patent/KR960043756A/en
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Publication of KR100269755B1 publication Critical patent/KR100269755B1/en

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    • 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
    • H04N3/18—Generation of supply voltages, in combination with electron beam deflecting
    • 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
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/63—Generation or supply of power specially adapted for television receivers

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Details Of Television Scanning (AREA)
  • Measurement Of Current Or Voltage (AREA)

Abstract

본 발명의 목적은 발생해야 할 전압의 파형을 근사한 파형 데이타에 기초하여 전압을 발생시키는 전압 발생방법, 전압 발생 회로 및 모니터장치를 제공하는 것이다. 본 발명의 구성은 발생해야 할 파라볼라파 전압의 파형을 곡선 근사하는 파형 데이타가 저장되는 기억 용량이 작은 메모리(10)와, 메모리(10)로부터 판독한 파형데이타를 입력해야 할 CPU(11)와, 판독한 파형 데이타에 기초하여 CPU(11)의 직선 근사의 파형 데이타를 연산하고, CPU(11)로부터 출력되는 연산한 직선 근사의 파형 데이타를 디지탈/아날로그 변환하는 디지탈/아날로그 컨버터(13)를 구비한다.It is an object of the present invention to provide a voltage generating method, a voltage generating circuit and a monitor apparatus for generating a voltage based on waveform data approximating a waveform of a voltage to be generated. The configuration of the present invention includes a memory 10 having a small storage capacity storing waveform data approximating a waveform of a parabola wave voltage to be generated, a CPU 11 having to input waveform data read from the memory 10, and The digital / analog converter 13 for calculating the waveform data of the linear approximation of the CPU 11 based on the read waveform data, and digitally / analog converting the waveform data of the calculated linear approximation output from the CPU 11. Equipped.

Description

전압 발생 방법. 전압 발생 회로 및 모니터 장치Voltage generation method. Voltage generating circuit and monitor device

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 본 발명에 관한 전압 발생 회로의 구성을 도시하는 블럭도, 제2도는 메모리의 데이타 테이블의 개념도, 제3도는 파라볼라파 전압을 직선 근사하는 경우의 개념도, 제4도는 파라볼라파 전압을 곡선 근사하는 경우의 개념도, 제5도는 CPU의 제어 내용을 도시하는 플로우차트, 제6도는 본 발명에 관한 전압 발생 회로의 다른 실시예의 구성을 도시하는 블럭도, 제7도는 메모리의 데이타 테이블의 개념도, 제8도는 파형 합성부의 구성을 도시하는 블럭도, 제9도는 정현파 전압을 곡선 근사하는 경우의 개념도, 제10도는 CPU의 제어 내용을 도시하는 플로우차트, 제11도는 정현파, 톱니파 및 보정한 톱니파의 파형도, 제12도는 표시 화상의 표시 상태의 설명도, 제13도는 표시 화상의 보빈 왜곡의 설명도, 제14도는 수직 파라볼라파 전압의 파형도, 제15도는 종래의 파라볼라파 전압 발생 회로의 블럭도, 제16도는 메모리의 데이타 테이블의 개념도, 제17도는 CPU의 제어 내용을 도시하는 플로우차트.1 is a block diagram showing the configuration of a voltage generating circuit according to the present invention, FIG. 2 is a conceptual diagram of a data table of a memory, FIG. 3 is a conceptual diagram when a parabola wave voltage is approximated linearly, and FIG. 4 is a parabola wave voltage curve. Fig. 5 is a flowchart showing the control contents of the CPU, Fig. 6 is a block diagram showing the construction of another embodiment of the voltage generation circuit according to the present invention, and Fig. 7 is a conceptual diagram of the data table of the memory. FIG. 8 is a block diagram showing the configuration of the waveform synthesizer, FIG. 9 is a conceptual diagram when the curve approximates a sine wave voltage, FIG. 10 is a flowchart showing the control contents of the CPU, and FIG. Fig. 12 is an explanatory diagram of the display state of the display image, Fig. 13 is an explanatory diagram of bobbin distortion of the display image, Fig. 14 is a waveform diagram of the vertical parabola wave voltage, and Fig. 15 is a conventional diagram. Fig. 16 is a flowchart showing the concept of the data table of the memory, and Fig. 17 showing the control contents of the CPU.

Claims (3)

디지탈 신호에 의해 소요 파형의 전압을 발생시키는 방법에 있어서, 발생시켜야 할 전압과 곡선 근사하는 파형 데이타를 저장한 기억부로부터 파형 데이타를 판독하고, 판독한 파형 데이타에 의해 발생시켜야 할 전압의 직선 근사의 파형 데이타를 연산하고, 연산한 파형 데이타를 디지탈 /아날로그 변환하여 아날로그의 전압을 발생시키는 것을 특징으로 하는 전압 발생 방법.A method of generating a voltage of a required waveform by a digital signal, the waveform data being read from a storage unit storing waveform data approximating a voltage to be generated and a curve, and a linear approximation of the voltage to be generated by the read waveform data. And generating analog voltage by calculating the waveform data and converting the calculated waveform data into digital / analog conversion. 디지탈 신호에 의해 소요 파형의 전압을 발생시키는 전압 발생 회로에 있어서, 발생시켜야 할 전압과 곡선 근사하는 파형 데이타를 저장하는 기억부, 기억부로부터 파형 데이타를 판독하는 수단, 판독한 파형 데이타에 의해 직선 근사하는 파형 데이타를 연산하는 연산 수단, 및 연산한 직선 근사의 파형 데이타를 디지탈/아날로그 변환하는 디지탈/아날로그 변환부를 구비한 것을 특징으로 하는 전압 발생 회로.A voltage generating circuit which generates a voltage of a required waveform by a digital signal, comprising: a storage unit for storing waveform data approximating a voltage to be generated and a curve, a means for reading waveform data from the storage unit, and a straight line by the read waveform data And a digital / analog converter for digitally / analog converting the waveform data of the calculated linear approximation. 제2항에서 청구하고 있는 전압 발생 회로를 구비한 것을 특징으로 하는 모니터 장치.A voltage generating circuit as claimed in claim 2 is provided. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019960018729A 1995-05-31 1996-05-30 Voltage generating method, voltage generating circuit and monitor device KR100269755B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP95-133375 1995-05-31
JP7133375A JPH08331404A (en) 1995-05-31 1995-05-31 Voltage generating method, voltage generating circuit and monitoring device

Publications (2)

Publication Number Publication Date
KR960043756A true KR960043756A (en) 1996-12-23
KR100269755B1 KR100269755B1 (en) 2000-10-16

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JP (1) JPH08331404A (en)
KR (1) KR100269755B1 (en)
CN (1) CN1140853A (en)
TW (1) TW349195B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6493040B1 (en) 1999-05-26 2002-12-10 Thomson Licensing S.A. Scan velocity modulation circuit with multi-mode operation
US6295097B1 (en) 1999-05-26 2001-09-25 Thomson Licensing S.A. Piece-wise linearized waveform generator for scan velocity modulation circuit
US6498626B1 (en) 1999-05-26 2002-12-24 Thomson Licensing S.A. Video signal processing arrangement for scan velocity modulation circuit
CN100353669C (en) * 2002-04-17 2007-12-05 湖南科技大学 Virtual signal generator for generating square wave by remainder interpolation comparision

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2579390A1 (en) * 1985-03-22 1986-09-26 Enertec DIGITAL WAVEFORM GENERATOR AND METHOD THEREOF

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TW349195B (en) 1999-01-01
CN1140853A (en) 1997-01-22
JPH08331404A (en) 1996-12-13
KR100269755B1 (en) 2000-10-16

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