JPH02113816U - - Google Patents
Info
- Publication number
- JPH02113816U JPH02113816U JP1989021917U JP2191789U JPH02113816U JP H02113816 U JPH02113816 U JP H02113816U JP 1989021917 U JP1989021917 U JP 1989021917U JP 2191789 U JP2191789 U JP 2191789U JP H02113816 U JPH02113816 U JP H02113816U
- Authority
- JP
- Japan
- Prior art keywords
- focus
- error signal
- mirror surface
- control circuit
- servo control
- 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 3
- 238000010586 diagram Methods 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1989021917U JPH02113816U (ko) | 1989-02-27 | 1989-02-27 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1989021917U JPH02113816U (ko) | 1989-02-27 | 1989-02-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH02113816U true JPH02113816U (ko) | 1990-09-12 |
Family
ID=31239570
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1989021917U Pending JPH02113816U (ko) | 1989-02-27 | 1989-02-27 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH02113816U (ko) |
-
1989
- 1989-02-27 JP JP1989021917U patent/JPH02113816U/ja active Pending