JPS63165642U - - Google Patents
Info
- Publication number
- JPS63165642U JPS63165642U JP5979987U JP5979987U JPS63165642U JP S63165642 U JPS63165642 U JP S63165642U JP 5979987 U JP5979987 U JP 5979987U JP 5979987 U JP5979987 U JP 5979987U JP S63165642 U JPS63165642 U JP S63165642U
- Authority
- JP
- Japan
- Prior art keywords
- cylindrical lens
- roof mirror
- lens array
- variable
- 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
- 238000003384 imaging method Methods 0.000 claims description 6
- 230000003287 optical effect Effects 0.000 claims description 4
- 230000010287 polarization Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 1
Landscapes
- Exposure Or Original Feeding In Electrophotography (AREA)
- Variable Magnification In Projection-Type Copying Machines (AREA)
Description
第１図は本考案の一実施例を示す偏倍光学系の
側面図、第２図は同上実施例の光学系を等価的に
示す平面図、第３図は同上側面図、第４図は本考
案によるシリンドリカルレンズの断面図、第５図
は同上状態変化を示す図、第６図は同上状態変化
手段の一例を示す構成図、第７図は伝統的なレン
ズ系を使用した従来の偏倍結像装置の例を示す側
面図、第８図乃至第１０図及び第１３図はダハミ
ラーレンズアレイを利用した従来の偏倍結像装置
の側面図、第１１図及び第１２図は、同上偏倍結
像装置に用いられるシリンドリカルレンズの例を
示す側面図である。
１……コンタクトガラス、２……結像面、３…
…結像素子、４，５……平面ミラー、６……ダハ
ミラーアレイ、７……レンズアレイ、８……シリ
ンドリカルレンズ、Ｒ１，Ｒ２……曲率半径、ｄ
１，ｄ２……肉厚。
Fig. 1 is a side view of a polarizing optical system showing one embodiment of the present invention, Fig. 2 is a plan view equivalently showing the optical system of the same embodiment, Fig. 3 is a side view of the same, and Fig. 4 is A cross-sectional view of the cylindrical lens according to the present invention, FIG. 5 is a diagram showing the state change of the same as above, FIG. 6 is a block diagram showing an example of the state change means of the above, and FIG. FIGS. 8 to 10 and 13 are side views showing an example of a magnification imaging device, and FIGS. 11 and 12 are side views of a conventional magnification imaging device using a roof mirror lens array. FIG. 3 is a side view showing an example of a cylindrical lens used in the polarizing image forming device same as above. 1...Contact glass, 2...Imaging surface, 3...
...Imaging element, 4, 5... Plane mirror, 6... Roof mirror array, 7... Lens array, 8... Cylindrical lens, R1, R2... Radius of curvature, d
1, d2...Thickness.
Claims (1)
側光路中にダハミラーレンズアレイの整列方向に
対し直交方向に偏倍するようにシリンドリカルレ
ンズを付加してなる偏倍結像装置において、 上記シリンドリカルレンズの曲率半径、肉厚を
可変とし、任意の偏倍率を選択可能に設けたこと
を特徴とする可変偏倍光学系。[Claims for Utility Model Registration] Polarized magnification obtained by adding a cylindrical lens to the image side optical path of an imaging element using a roof mirror lens array so as to polarize the power in a direction orthogonal to the alignment direction of the roof mirror lens array. A variable polarization optical system in an imaging device, characterized in that the radius of curvature and wall thickness of the cylindrical lens are variable, and any polarization ratio can be selected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5979987U JPS63165642U (en) | 1987-04-20 | 1987-04-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5979987U JPS63165642U (en) | 1987-04-20 | 1987-04-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63165642U true JPS63165642U (en) | 1988-10-28 |
Family
ID=30891632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5979987U Pending JPS63165642U (en) | 1987-04-20 | 1987-04-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63165642U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7446953B2 (en) | 2006-03-06 | 2008-11-04 | Ricoh Company, Ltd. | Imaging lens, image reading apparatus and image forming apparatus |
-
1987
- 1987-04-20 JP JP5979987U patent/JPS63165642U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7446953B2 (en) | 2006-03-06 | 2008-11-04 | Ricoh Company, Ltd. | Imaging lens, image reading apparatus and image forming apparatus |
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