JPH01172064U - - Google Patents
Info
- Publication number
- JPH01172064U JPH01172064U JP6908788U JP6908788U JPH01172064U JP H01172064 U JPH01172064 U JP H01172064U JP 6908788 U JP6908788 U JP 6908788U JP 6908788 U JP6908788 U JP 6908788U JP H01172064 U JPH01172064 U JP H01172064U
- Authority
- JP
- Japan
- Prior art keywords
- mirror
- mentioned
- imaging lens
- magnification
- displacing
- 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 5
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 5
- 239000011521 glass Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
Landscapes
- Exposure Or Original Feeding In Electrophotography (AREA)
- Light Sources And Details Of Projection-Printing Devices (AREA)
Description
第１図は、本考案の１実施例を要部のみ略示す
る図、第２図は、実施例を説明するためのフロー
図、第３図は、変倍の原理を説明するための図、
第４図は、変倍光学系の１例を説明するための図
、第５図は、従来技術とその問題点を説明するた
めの図である。
１０…結像レンズ、１２…原稿ガラス、１６，
１８…ミラー、２０，２１…可変位ミラー、２６
…感光体、３２…センサー、３４，４２…ステツ
ピング方式のモーター。
Fig. 1 is a diagram schematically showing only the main parts of an embodiment of the present invention, Fig. 2 is a flow diagram for explaining the embodiment, and Fig. 3 is a diagram for explaining the principle of variable magnification. ,
FIG. 4 is a diagram for explaining an example of a variable magnification optical system, and FIG. 5 is a diagram for explaining the prior art and its problems. 10...imaging lens, 12...original glass, 16,
18... Mirror, 20, 21... Variable displacement mirror, 26
...Photoconductor, 32...Sensor, 34, 42...Stepping type motor.
Claims (1)
ーの変位により行ない、倍率合わせを結像レンズ
の変位で行なう方式の、変倍可能なアナログ複写
機に於いて、 上記結像レンズと上記ミラーの上記変位を別個
の駆動系により独立して行ない得るようにすると
ともに、 上記変倍のための結像レンズの移動範囲外且つ
ミラーの移動範囲外であつて、これら移動範囲相
互の中間にセンサーを配備し、上記結像レンズ及
びミラーのホームポジシヨンの検出に上記センサ
ーを共用することを特徴とする、変倍装置。[Claims for Utility Model Registration] In a variable magnification analog copying machine in which the conjugate length is adjusted by displacing a mirror and the magnification is adjusted by displacing an imaging lens when varying the copy magnification, The above-mentioned displacement of the above-mentioned imaging lens and the above-mentioned mirror can be performed independently by separate drive systems, and the above-mentioned displacement is outside the movement range of the imaging lens and outside the movement range of the mirror for the above-mentioned magnification change. A variable magnification device, characterized in that a sensor is disposed in the middle of each moving range, and the sensor is commonly used to detect the home position of the imaging lens and mirror.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6908788U JPH01172064U (en) | 1988-05-25 | 1988-05-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6908788U JPH01172064U (en) | 1988-05-25 | 1988-05-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01172064U true JPH01172064U (en) | 1989-12-06 |
Family
ID=31294378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6908788U Pending JPH01172064U (en) | 1988-05-25 | 1988-05-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01172064U (en) |
-
1988
- 1988-05-25 JP JP6908788U patent/JPH01172064U/ja active Pending