JPS63173975U - - Google Patents
Info
- Publication number
- JPS63173975U JPS63173975U JP6589087U JP6589087U JPS63173975U JP S63173975 U JPS63173975 U JP S63173975U JP 6589087 U JP6589087 U JP 6589087U JP 6589087 U JP6589087 U JP 6589087U JP S63173975 U JPS63173975 U JP S63173975U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- sharpness
- contrast amount
- differentiating
- video signal
- 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.)
- Pending
Links
- 238000001514 detection method Methods 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 239000003990 capacitor Substances 0.000 description 1
Landscapes
- Picture Signal Circuits (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6589087U JPS63173975U (US20080293856A1-20081127-C00150.png) | 1987-04-30 | 1987-04-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6589087U JPS63173975U (US20080293856A1-20081127-C00150.png) | 1987-04-30 | 1987-04-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63173975U true JPS63173975U (US20080293856A1-20081127-C00150.png) | 1988-11-11 |
Family
ID=30903382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6589087U Pending JPS63173975U (US20080293856A1-20081127-C00150.png) | 1987-04-30 | 1987-04-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63173975U (US20080293856A1-20081127-C00150.png) |
-
1987
- 1987-04-30 JP JP6589087U patent/JPS63173975U/ja active Pending
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