KR0156112B1 - 카메라를 이용한 피씨비 자동검사 방법 및 장치 - Google Patents
카메라를 이용한 피씨비 자동검사 방법 및 장치Info
- Publication number
- KR0156112B1 KR0156112B1 KR1019920021238A KR920021238A KR0156112B1 KR 0156112 B1 KR0156112 B1 KR 0156112B1 KR 1019920021238 A KR1019920021238 A KR 1019920021238A KR 920021238 A KR920021238 A KR 920021238A KR 0156112 B1 KR0156112 B1 KR 0156112B1
- Authority
- KR
- South Korea
- Prior art keywords
- image
- camera
- coordinate system
- center
- pcb
- 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 - Lifetime
Links
- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000007689 inspection Methods 0.000 claims abstract description 12
- 238000012937 correction Methods 0.000 claims description 6
- 239000000758 substrate Substances 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 238000005286 illumination Methods 0.000 claims description 2
- 238000007599 discharging Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
Description
Claims (2)
- 측정용판의 내부를 바둑판 모양으로 만들어 4점을 결정하고 측정용판으로 부터 영상을 취득한 후 영상 좌표계의 중심을 계산하는 제1단계와, 영상의 중심을 측정용판의 영상에 나타내어 측정용판에서의 위치를 측정하여 측정된 점을 실세계 좌표의 중심으로 결정한 후 이점으로 부터 실시계 좌표를 구하는 제2단계와, 카메라 보정 파라미터를 구하여 실세계좌표계와 영상좌표계의 상호 변환을 하는 제3단계로 된 카메라를 이용한 피씨비 자동검사 방법.
- 피씨비가 삽입되는 자동삽입공정부(7)와, 실장된 피씨비 기판을 검사하는 검사부(8)와, 피씨비를 배출하는 자동배출공정부(9)를 구비하고 상기 검사부(8)를 컨베이어(10)를 타고 들어온 피씨비 기판으로 부터 영상을 취득하는 카메라(11) 및 디지타이저(12), 취득된 이미지를 디스플레이시키는 모니터(13), VME버스(14)를 통해 전송된 영상을 카메라 보정을 한 후 인터페이스(15)를 통해 조명(16)과 모터콘트롤러(17)를 제어하는 호스트(18)로 구성한 것을 특징으로 하는 카메라를 이용한 피씨비 자동검사 장치.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019920021238A KR0156112B1 (ko) | 1992-11-12 | 1992-11-12 | 카메라를 이용한 피씨비 자동검사 방법 및 장치 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019920021238A KR0156112B1 (ko) | 1992-11-12 | 1992-11-12 | 카메라를 이용한 피씨비 자동검사 방법 및 장치 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR940012043A KR940012043A (ko) | 1994-06-22 |
| KR0156112B1 true KR0156112B1 (ko) | 1998-11-16 |
Family
ID=19343014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019920021238A Expired - Lifetime KR0156112B1 (ko) | 1992-11-12 | 1992-11-12 | 카메라를 이용한 피씨비 자동검사 방법 및 장치 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR0156112B1 (ko) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100394742B1 (ko) * | 2001-08-01 | 2003-08-14 | 주식회사 포스코 | 테이핑 머신의 코일형 제품 외권부 스트립 밀착 장치 |
-
1992
- 1992-11-12 KR KR1019920021238A patent/KR0156112B1/ko not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| KR940012043A (ko) | 1994-06-22 |
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| PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 19921112 |
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| A201 | Request for examination | ||
| PA0201 | Request for examination |
Patent event code: PA02012R01D Patent event date: 19950703 Comment text: Request for Examination of Application Patent event code: PA02011R01I Patent event date: 19921112 Comment text: Patent Application |
|
| E701 | Decision to grant or registration of patent right | ||
| PE0701 | Decision of registration |
Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 19980627 |
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| GRNT | Written decision to grant | ||
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