KR100697190B1 - 영상신호 제어장치 - Google Patents
영상신호 제어장치 Download PDFInfo
- Publication number
- KR100697190B1 KR100697190B1 KR1020000072475A KR20000072475A KR100697190B1 KR 100697190 B1 KR100697190 B1 KR 100697190B1 KR 1020000072475 A KR1020000072475 A KR 1020000072475A KR 20000072475 A KR20000072475 A KR 20000072475A KR 100697190 B1 KR100697190 B1 KR 100697190B1
- Authority
- KR
- South Korea
- Prior art keywords
- signal
- unit
- horizontal
- video signal
- input
- 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 - Fee Related
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N17/00—Diagnosis, testing or measuring for television systems or their details
- H04N17/004—Diagnosis, testing or measuring for television systems or their details for digital television systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N17/00—Diagnosis, testing or measuring for television systems or their details
- H04N17/04—Diagnosis, testing or measuring for television systems or their details for receivers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/04—Synchronising
- H04N5/06—Generation of synchronising signals
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- General Health & Medical Sciences (AREA)
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
Abstract
Description
Claims (2)
- 사용자가 계측하고자 하는 수평 주사선 번호를 회전입력시키는 입력부;측정 대상인 복합영상신호가 입력되면 파형 왜곡 형상을 억제시키면서 신호 보호 기능을 수행하는 버퍼부;상기 버퍼부에서 복합영상신호를 전달받아 이를 수직동기신호와 수평동기신호, 필드구분신호로 각각 분리하여 출력시키는 신호분리부;상기 신호분리부의 수직동기신호를 전달받아 이를 카운트(count)하여 정상 입력여부를 판단하는 동시에 상기 입력부의 수평 주사선 번호에 따라 표시하고자 하는 수평라인 값의 증/감을 제어하는 마이컴;상기 마이컴의 제어에 의해 수평라인 값을 표시하는 표시부;상기 신호분리부의 수직동기신호 및 수평동기신호를 전달받아 수직동기 기간동안 클리어(clear)시키다가 수직동기 완료시점에서 수평동기신호에 의해 수평라인 지정을 위해 카운트 값을 증/감시키는 카운터부;상기 마이컴과 카운터부의 수평라인 값과 카운트 값을 비교하여 그 비교결과에 따라 상기 입력부의 수평 주사선 번호에 부합되는 트리거 신호를 생성하여 외부 장치로 출력시키는 비교부를 포함하는 영상 신호 제어장치.
- 제 1 항에 있어서,상기 신호분리부와 카운터부, 비교부 중 적어도 어느 하나는 프로그래머블 어레이 로직(PAL, Programmable Array Logic)을 사용하는 영상신호 제어장치.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020000072475A KR100697190B1 (ko) | 2000-12-01 | 2000-12-01 | 영상신호 제어장치 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020000072475A KR100697190B1 (ko) | 2000-12-01 | 2000-12-01 | 영상신호 제어장치 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20020043034A KR20020043034A (ko) | 2002-06-08 |
| KR100697190B1 true KR100697190B1 (ko) | 2007-03-21 |
Family
ID=27679031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020000072475A Expired - Fee Related KR100697190B1 (ko) | 2000-12-01 | 2000-12-01 | 영상신호 제어장치 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR100697190B1 (ko) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103713172B (zh) * | 2012-10-08 | 2017-08-25 | 北京普源精电科技有限公司 | 一种具有改进视频触发功能的示波器 |
| CN110753195B (zh) * | 2019-12-25 | 2020-04-21 | 深圳市鼎阳科技股份有限公司 | 一种高稳定性的视频触发方法及数字示波器 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR880003525A (ko) * | 1986-08-25 | 1988-05-17 | 강진구 | 디지탈 텔레비죤 코덱 시스템의 디코오더부의 표본화 주파수 추출방식 |
-
2000
- 2000-12-01 KR KR1020000072475A patent/KR100697190B1/ko not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR880003525A (ko) * | 1986-08-25 | 1988-05-17 | 강진구 | 디지탈 텔레비죤 코덱 시스템의 디코오더부의 표본화 주파수 추출방식 |
Non-Patent Citations (1)
| Title |
|---|
| 공개공보 88-3525 |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20020043034A (ko) | 2002-06-08 |
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