JPS59215040A - 画像情報円盤欠陥検出装置 - Google Patents
画像情報円盤欠陥検出装置Info
- Publication number
- JPS59215040A JPS59215040A JP8746283A JP8746283A JPS59215040A JP S59215040 A JPS59215040 A JP S59215040A JP 8746283 A JP8746283 A JP 8746283A JP 8746283 A JP8746283 A JP 8746283A JP S59215040 A JPS59215040 A JP S59215040A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- defect
- circuit
- envelope
- pulse
- 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.)
- Granted
Links
- 230000007547 defect Effects 0.000 title claims abstract description 48
- 238000001514 detection method Methods 0.000 claims description 34
- 230000004069 differentiation Effects 0.000 abstract 2
- 238000000034 method Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 230000002950 deficient Effects 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 230000000630 rising effect Effects 0.000 description 3
- 239000000284 extract Substances 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 238000012850 discrimination method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/91—Television signal processing therefor
- H04N5/93—Regeneration of the television signal or of selected parts thereof
- H04N5/94—Signal drop-out compensation
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Manufacturing Optical Record Carriers (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8746283A JPS59215040A (ja) | 1983-05-20 | 1983-05-20 | 画像情報円盤欠陥検出装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8746283A JPS59215040A (ja) | 1983-05-20 | 1983-05-20 | 画像情報円盤欠陥検出装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS59215040A true JPS59215040A (ja) | 1984-12-04 |
JPH03705B2 JPH03705B2 (enrdf_load_stackoverflow) | 1991-01-08 |
Family
ID=13915543
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8746283A Granted JPS59215040A (ja) | 1983-05-20 | 1983-05-20 | 画像情報円盤欠陥検出装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS59215040A (enrdf_load_stackoverflow) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5377054A (en) * | 1992-07-06 | 1994-12-27 | Sharp Kabushiki Kaisha | Digital information reproducing apparatus |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5832146A (ja) * | 1981-08-20 | 1983-02-25 | Matsushita Electric Ind Co Ltd | ドロップアウト評価装置 |
-
1983
- 1983-05-20 JP JP8746283A patent/JPS59215040A/ja active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5832146A (ja) * | 1981-08-20 | 1983-02-25 | Matsushita Electric Ind Co Ltd | ドロップアウト評価装置 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5377054A (en) * | 1992-07-06 | 1994-12-27 | Sharp Kabushiki Kaisha | Digital information reproducing apparatus |
Also Published As
Publication number | Publication date |
---|---|
JPH03705B2 (enrdf_load_stackoverflow) | 1991-01-08 |