JPH01146207U - - Google Patents
Info
- Publication number
- JPH01146207U JPH01146207U JP4037188U JP4037188U JPH01146207U JP H01146207 U JPH01146207 U JP H01146207U JP 4037188 U JP4037188 U JP 4037188U JP 4037188 U JP4037188 U JP 4037188U JP H01146207 U JPH01146207 U JP H01146207U
- Authority
- JP
- Japan
- Prior art keywords
- light emitting
- emitting source
- positive lens
- focus detection
- optical system
- 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 description 10
- 238000001514 detection method Methods 0.000 claims description 5
- 238000005286 illumination Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000003384 imaging method Methods 0.000 description 1
Landscapes
- Focusing (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4037188U JPH01146207U (zh) | 1988-03-29 | 1988-03-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4037188U JPH01146207U (zh) | 1988-03-29 | 1988-03-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01146207U true JPH01146207U (zh) | 1989-10-09 |
Family
ID=31266844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4037188U Pending JPH01146207U (zh) | 1988-03-29 | 1988-03-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01146207U (zh) |
-
1988
- 1988-03-29 JP JP4037188U patent/JPH01146207U/ja active Pending