JPS6249142U - - Google Patents
Info
- Publication number
- JPS6249142U JPS6249142U JP13876985U JP13876985U JPS6249142U JP S6249142 U JPS6249142 U JP S6249142U JP 13876985 U JP13876985 U JP 13876985U JP 13876985 U JP13876985 U JP 13876985U JP S6249142 U JPS6249142 U JP S6249142U
- Authority
- JP
- Japan
- Prior art keywords
- mirror
- cam
- carriage
- variable magnification
- magnification
- 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 9
- 239000000758 substrate Substances 0.000 claims description 2
- 230000004907 flux Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Mounting And Adjusting Of Optical Elements (AREA)
- Variable Magnification In Projection-Type Copying Machines (AREA)
- Light Sources And Details Of Projection-Printing Devices (AREA)
Description
第１図はこの考案による変倍光学装置における
ミラー移動装置の一例を示す概略斜視図、第２図
は第１図のミラー移動装置と変倍光学系の全体と
の関係を示す概略説明図、第３図は第１図のミラ
ー移動装置の作用を説明するための説明図、第４
図は従来の変倍光学装置におけるミラー移動装置
を示す概略斜視図である。
１１…ミラーキヤリツジ、１２…ミラー、１３
…ブラケツト、１４，１５…アーム、１６，１７
…ローラ、１８…基板、１９…ストツパ、２０，
２１…第１カム、２３…引張バネ、２４…第２カ
ム、２５…モータ、２２…光路の光軸。
FIG. 1 is a schematic perspective view showing an example of a mirror moving device in a variable magnification optical device according to this invention, and FIG. 2 is a schematic explanatory diagram showing the relationship between the mirror moving device of FIG. 1 and the entire variable magnification optical system. Figure 3 is an explanatory diagram for explaining the action of the mirror moving device in Figure 1;
The figure is a schematic perspective view showing a mirror moving device in a conventional variable magnification optical device. 11...Mirror carriage, 12...Mirror, 13
...Bracket, 14, 15...Arm, 16, 17
...roller, 18...substrate, 19...stopper, 20,
21...First cam, 23...Tension spring, 24...Second cam, 25...Motor, 22...Optical axis of optical path.
Claims (1)
、上記第１カムに係合する移動可能なミラーキヤ
リツジと、上記ミラーキヤリツジに支持され光束
を反射するミラーと、上記ミラーキヤリツジの一
部に当接し変倍に従つて上記ミラーキヤリツジを
上記光束の光軸を横切る方向に変位させる第２カ
ムと、上記キヤリツジを上記第１カムに沿つて上
記第２カムに常に当接する方向に引寄せる付勢手
段を有し、上記ミラーを変倍に応じて所定の光路
長を形成するように移動させる構成にしたことを
特徴とする変倍光学装置におけるミラー移動装置
。 (2) 上記光束は変倍に応じてその通過域が変位
するものであり、上記第１カムは上記通過域をカ
バーする方向に上記ミラーを移動するように形成
されていることを特徴とする実用新案登録請求の
範囲第１項に記載された変倍光学装置におけるミ
ラー移動装置。[Claims for Utility Model Registration] (1) A substrate provided with a pair of first cams having the same shape, a movable mirror carriage that engages with the first cam, and a light beam supported by the mirror carriage. a second cam that comes into contact with a part of the mirror carriage and displaces the mirror carriage in a direction transverse to the optical axis of the light beam as the magnification changes; The variable magnification device is characterized in that it has an urging means for always drawing the mirror in a direction in which it comes into contact with the second cam, and moves the mirror so as to form a predetermined optical path length in accordance with the variable magnification. Mirror moving device in optical equipment. (2) A passband of the light flux is displaced according to magnification change, and the first cam is formed to move the mirror in a direction that covers the passband. A mirror moving device in a variable magnification optical device as set forth in claim 1 of the utility model registration claim.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13876985U JPS6249142U (en) | 1985-09-12 | 1985-09-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13876985U JPS6249142U (en) | 1985-09-12 | 1985-09-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6249142U true JPS6249142U (en) | 1987-03-26 |
Family
ID=31044049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13876985U Pending JPS6249142U (en) | 1985-09-12 | 1985-09-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6249142U (en) |
-
1985
- 1985-09-12 JP JP13876985U patent/JPS6249142U/ja active Pending
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