JPH0448777U - - Google Patents
Info
- Publication number
- JPH0448777U JPH0448777U JP8999890U JP8999890U JPH0448777U JP H0448777 U JPH0448777 U JP H0448777U JP 8999890 U JP8999890 U JP 8999890U JP 8999890 U JP8999890 U JP 8999890U JP H0448777 U JPH0448777 U JP H0448777U
- Authority
- JP
- Japan
- Prior art keywords
- contrast value
- change rate
- optical means
- value change
- focal position
- 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
- 230000003287 optical effect Effects 0.000 claims 5
- 238000003384 imaging method Methods 0.000 claims 3
- 238000001514 detection method Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Focusing (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8999890U JPH0448777U (xx) | 1990-08-30 | 1990-08-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8999890U JPH0448777U (xx) | 1990-08-30 | 1990-08-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0448777U true JPH0448777U (xx) | 1992-04-24 |
Family
ID=31824385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8999890U Pending JPH0448777U (xx) | 1990-08-30 | 1990-08-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0448777U (xx) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62272218A (ja) * | 1986-05-20 | 1987-11-26 | Victor Co Of Japan Ltd | オ−トフオ−カス装置 |
-
1990
- 1990-08-30 JP JP8999890U patent/JPH0448777U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62272218A (ja) * | 1986-05-20 | 1987-11-26 | Victor Co Of Japan Ltd | オ−トフオ−カス装置 |
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