JPH01139249U - - Google Patents
Info
- Publication number
- JPH01139249U JPH01139249U JP3499088U JP3499088U JPH01139249U JP H01139249 U JPH01139249 U JP H01139249U JP 3499088 U JP3499088 U JP 3499088U JP 3499088 U JP3499088 U JP 3499088U JP H01139249 U JPH01139249 U JP H01139249U
- Authority
- JP
- Japan
- Prior art keywords
- optical system
- photodetector
- exposure optical
- document
- density
- 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 5
- 238000001514 detection method Methods 0.000 claims 2
- 239000000758 substrate Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 239000011521 glass Substances 0.000 description 1
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3499088U JPH01139249U (un) | 1988-03-16 | 1988-03-16 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3499088U JPH01139249U (un) | 1988-03-16 | 1988-03-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH01139249U true JPH01139249U (un) | 1989-09-22 |
Family
ID=31261653
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3499088U Pending JPH01139249U (un) | 1988-03-16 | 1988-03-16 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH01139249U (un) |
-
1988
- 1988-03-16 JP JP3499088U patent/JPH01139249U/ja active Pending
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