KR870004574A - 톱니파형 신호발생용 회로장치 - Google Patents
톱니파형 신호발생용 회로장치 Download PDFInfo
- Publication number
- KR870004574A KR870004574A KR1019860008528A KR860008528A KR870004574A KR 870004574 A KR870004574 A KR 870004574A KR 1019860008528 A KR1019860008528 A KR 1019860008528A KR 860008528 A KR860008528 A KR 860008528A KR 870004574 A KR870004574 A KR 870004574A
- Authority
- KR
- South Korea
- Prior art keywords
- sawtooth
- signal
- pulse
- input
- circuit device
- Prior art date
Links
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 title claims 2
- 238000000034 method Methods 0.000 claims 5
- 238000005070 sampling Methods 0.000 claims 4
- 238000010586 diagram Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- H03K4/48—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices
- H03K4/50—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices in which a sawtooth voltage is produced across a capacitor
- H03K4/501—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices in which a sawtooth voltage is produced across a capacitor the starting point of the flyback period being determined by the amplitude of the voltage across the capacitor, e.g. by a comparator
- H03K4/502—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices in which a sawtooth voltage is produced across a capacitor the starting point of the flyback period being determined by the amplitude of the voltage across the capacitor, e.g. by a comparator the capacitor being charged from a constant-current source
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Details Of Television Scanning (AREA)
- Synchronizing For Television (AREA)
- Television Signal Processing For Recording (AREA)
Abstract
Description
Claims (6)
- 필드 동기신호에 의해 트리거 가능하며 유용한 톱니파형 신호를 생성하는 출력단자를 갖는 톱니파 발생기와, 샘플링 펄스의 발생동안 톱니파형 신호값과 기준값을 비교하여 제어신호를 발생된 톱니파형 신호의 기울기를 제어하는 톱니파 발생기의 제어입력에 인가하는 수단을 구비하여, 화상 표시장치서 실제로 필드 주파수와는 독립적인 진폭을 갖는 필드 편향용 톱니파형 신호를 발생하는 회로장치에 있어서,필드 주파스의 n번째부(여기서, n은 1보다 큰 정수)와 동일한 반복 주파수를 갖는 샘플링 펄스를 인가하는 수단을 구비하는 것을 특징으로 하는 톱니파형 신호발생용 회로장치.
- 제1항에 있어서,n은 작은 2의 배수인 것을 특징으로 하는 톱니파형 신호발생용 회로장치.
- 제1항에 있어서,인가된 신호의 n번째 펄스를 통과시키며, 실제로 필드 주파수의 펄스를 구비하는 n-분할기를 구비하는 것을 특징으로 하는 톱니파형 신호발생용 회로장치.
- 제1항에 있어서,샘플링 펄스가 발생하는 필드주기에 있어서, 이러한 펄스는 트리거 펄스전에 발생하는 것을 특징으로 하는 톱니파형 신호발생용 회로장치.
- 제1항에 있어서,비교수단은, 심플링 펄스에 의해서 활성되고 출력단자에 결합된 샘플 앤드 홀드회로를 구비하며, 샘플 앤드 홀드회로의 출력은 비교단의 한 입력에 접속되며, 비교단의 다른 입력은 기준값에 접속되며 출력은 톱니파 발생기의 제어입력에 접속되는 것을 특징으로 하는 톱니파형 신호발생용 회로장치.
- 제1항에 있어서,비교수단은, 출력단자에 접속된 한 입력 및 기준값에 접속된 다른입력과 샘플링 펄스에 의해 활성되는 샘플 앤드 홀드회로에 접속된 출력을 갖는 비교단을 구비하며, 샘플 앤드 홀드회로의 출력은 톱니파 발생기의 제어입력에 접속되는 것을 특징으로 하는 톱니파형 신호발생용 회로장치.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL8502801 | 1985-10-14 | ||
NL8502801A NL8502801A (nl) | 1985-10-14 | 1985-10-14 | Schakeling voor het opwekken van een zaagtandvormig signaal ten behoeve van de rasterafbuiging in een beeldweergeefinrichting. |
Publications (1)
Publication Number | Publication Date |
---|---|
KR870004574A true KR870004574A (ko) | 1987-05-11 |
Family
ID=19846712
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019860008528A KR870004574A (ko) | 1985-10-14 | 1986-10-11 | 톱니파형 신호발생용 회로장치 |
Country Status (8)
Country | Link |
---|---|
US (1) | US4746842A (ko) |
JP (1) | JP2545071B2 (ko) |
KR (1) | KR870004574A (ko) |
DE (1) | DE3632204C2 (ko) |
FR (1) | FR2588708B1 (ko) |
GB (1) | GB2181614B (ko) |
IT (1) | IT1197504B (ko) |
NL (1) | NL8502801A (ko) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2586551B2 (ja) * | 1988-02-26 | 1997-03-05 | 松下電器産業株式会社 | 鋸波の振幅制御回路 |
US4945292A (en) * | 1988-08-08 | 1990-07-31 | Unisys Corp. | Dynamic vertical height control circuit |
DE19841719C2 (de) | 1998-09-11 | 2002-04-25 | St Microelectronics Gmbh | Schaltungsanordnung zur Flankensteilheitsformung |
SE531315C2 (sv) * | 2005-04-15 | 2009-02-17 | Jerzy Hawranek | Axiell rörvärmeväxlare |
CN101741355B (zh) * | 2008-11-06 | 2011-12-21 | 鸿富锦精密工业(深圳)有限公司 | 波形转换装置 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1449375A (en) * | 1974-05-13 | 1976-09-15 | Mullard Ltd | Television field deflection circuits |
JPS5229111A (en) * | 1975-08-30 | 1977-03-04 | Matsushita Electric Ind Co Ltd | Vertical deflection unit |
JPS5499523U (ko) * | 1977-12-24 | 1979-07-13 | ||
FR2441964A1 (fr) * | 1978-11-14 | 1980-06-13 | Thomson Csf | Circuit generateur de dents de scie permettant notamment un balayage cathodique du type ligne par ligne, et dispositif comportant un tel circuit |
DE3066982D1 (en) * | 1979-08-23 | 1984-04-19 | Rca Corp | Dual standard television vertical deflection system |
US4490653A (en) * | 1982-04-06 | 1984-12-25 | Tektronix, Inc. | Deflection systems and ramp generators therefor |
-
1985
- 1985-10-14 NL NL8502801A patent/NL8502801A/nl not_active Application Discontinuation
-
1986
- 1986-09-23 DE DE3632204A patent/DE3632204C2/de not_active Expired - Fee Related
- 1986-10-10 GB GB8624324A patent/GB2181614B/en not_active Expired
- 1986-10-10 IT IT21977/86A patent/IT1197504B/it active
- 1986-10-11 KR KR1019860008528A patent/KR870004574A/ko not_active Application Discontinuation
- 1986-10-14 JP JP61242185A patent/JP2545071B2/ja not_active Expired - Lifetime
- 1986-10-14 FR FR868614233A patent/FR2588708B1/fr not_active Expired - Lifetime
- 1986-10-14 US US06/918,416 patent/US4746842A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE3632204C2 (de) | 1995-04-13 |
JPS6298976A (ja) | 1987-05-08 |
US4746842A (en) | 1988-05-24 |
IT1197504B (it) | 1988-11-30 |
FR2588708A1 (fr) | 1987-04-17 |
GB8624324D0 (en) | 1986-11-12 |
IT8621977A0 (it) | 1986-10-10 |
FR2588708B1 (fr) | 1992-04-24 |
GB2181614A (en) | 1987-04-23 |
JP2545071B2 (ja) | 1996-10-16 |
DE3632204A1 (de) | 1987-04-23 |
GB2181614B (en) | 1989-09-27 |
NL8502801A (nl) | 1987-05-04 |
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