JPS639182Y2 - - Google Patents
Info
- Publication number
- JPS639182Y2 JPS639182Y2 JP1983049203U JP4920383U JPS639182Y2 JP S639182 Y2 JPS639182 Y2 JP S639182Y2 JP 1983049203 U JP1983049203 U JP 1983049203U JP 4920383 U JP4920383 U JP 4920383U JP S639182 Y2 JPS639182 Y2 JP S639182Y2
- Authority
- JP
- Japan
- Prior art keywords
- grid
- image pickup
- video camera
- detection circuit
- pickup tube
- 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
Links
- 238000001514 detection method Methods 0.000 claims description 27
- 230000005856 abnormality Effects 0.000 claims description 25
- 238000010894 electron beam technology Methods 0.000 claims description 21
- 238000003384 imaging method Methods 0.000 claims description 6
- 230000003287 optical effect Effects 0.000 description 7
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000004397 blinking Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1983049203U JPS59154972U (ja) | 1983-04-01 | 1983-04-01 | ビデオカメラの撮像管異常検知回路 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1983049203U JPS59154972U (ja) | 1983-04-01 | 1983-04-01 | ビデオカメラの撮像管異常検知回路 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59154972U JPS59154972U (ja) | 1984-10-17 |
| JPS639182Y2 true JPS639182Y2 (en]) | 1988-03-18 |
Family
ID=30179716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1983049203U Granted JPS59154972U (ja) | 1983-04-01 | 1983-04-01 | ビデオカメラの撮像管異常検知回路 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59154972U (en]) |
-
1983
- 1983-04-01 JP JP1983049203U patent/JPS59154972U/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59154972U (ja) | 1984-10-17 |
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