JPH02144704U - - Google Patents
Info
- Publication number
- JPH02144704U JPH02144704U JP5335789U JP5335789U JPH02144704U JP H02144704 U JPH02144704 U JP H02144704U JP 5335789 U JP5335789 U JP 5335789U JP 5335789 U JP5335789 U JP 5335789U JP H02144704 U JPH02144704 U JP H02144704U
- Authority
- JP
- Japan
- Prior art keywords
- screen
- holder
- image display
- projector
- display section
- 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
- 238000001514 detection method Methods 0.000 claims description 3
- 238000005286 illumination Methods 0.000 claims 2
- 230000001747 exhibiting effect Effects 0.000 claims 1
- 230000001678 irradiating effect Effects 0.000 claims 1
Landscapes
- Instruments For Measurement Of Length By Optical Means (AREA)
Description
第１図は本考案の一実施例の全体構成を示す斜
視図、第２図は本実施例の要部を示す第１図中略
−線に沿つた矢視拡大図、第３図は第２図の
−線に沿つた断面図、第４図は第２図及び第
３図の−線に沿つた断面図、第５図は従来例
の全体構成を示す斜視図である。
１０……投影機、４０……画像表示部、４４…
…スクリーン、６０……角度検出手段、６２……
ホルダ、６９……ローラ、７１……弾性支持部材
としての板ばね、７２……ロータリーエンコーダ
、８０……付勢手段、８１……ボルト、８２……
コイルスプリング、Ｗ……被測定物。
FIG. 1 is a perspective view showing the overall configuration of an embodiment of the present invention, FIG. 2 is an enlarged view taken along the line omitted in FIG. FIG. 4 is a sectional view taken along the line - in FIGS. 2 and 3, and FIG. 5 is a perspective view showing the overall configuration of a conventional example. 10...Projector, 40...Image display unit, 44...
... Screen, 60 ... Angle detection means, 62 ...
Holder, 69... Roller, 71... Leaf spring as elastic support member, 72... Rotary encoder, 80... Biasing means, 81... Bolt, 82...
Coil spring, W...Object to be measured.
Claims (1)
画像表示部のスクリーンに拡大投影することによ
り、前記被測定物の寸法、形状等を測定する投影
機において、前記画像表示部に回動可能に設けら
れるスクリーンの回転角度を検知する角度検出手
段を設けるとともに、この角度検出手段は、画像
表示部に揺動可能に支持されたホルダと、このホ
ルダに回転自在に保持されるとともにスクリーン
と一体回転可能な部分に接触されスクリーンの回
転に伴つて回転するローラと、このローラに一体
回転可能に取着された回転軸を有するとともに前
記ローラの回転量を検出するロータリーエンコー
ダと、前記ホルダに固定されるとともに前記ロー
タリーエンコーダを弾性的に支持する弾性支持部
材と、前記ローラを前記スクリーン側に所定の押
圧力で付勢する付勢手段とを含んで構成されるこ
とを特徴とする投影機。 (2) 請求項１に記載の投影機において、前記弾
性支持部材は、屈曲形状を呈する板ばねから構成
されることを特徴とする投影機。 (3) 請求項１または２記載の投影機において、
前記付勢手段は、画像表示部に螺合されるととも
に前記ホルダに挿入されるボルトと、このボルト
に外装され前記ホルダを所定の押圧力で付勢する
コイルスプリングとを含んで構成されることを特
徴とする投影機。[Claims for Utility Model Registration] (1) Projection that measures the dimensions, shape, etc. of the object to be measured by irradiating the object with illumination light and projecting the illumination light on an enlarged screen of an image display unit. The image display section is provided with angle detection means for detecting the rotation angle of the screen rotatably provided, and the angle detection means includes a holder that is swingably supported on the image display section, and a holder that is swingably supported on the image display section. a roller that is rotatably held by the screen and that rotates as the screen rotates as the screen rotates; , an elastic support member fixed to the holder and elastically supporting the rotary encoder, and biasing means biasing the roller toward the screen with a predetermined pressing force. A projector comprising: (2) The projector according to claim 1, wherein the elastic support member is comprised of a leaf spring exhibiting a bent shape. (3) In the projector according to claim 1 or 2,
The biasing means may include a bolt that is screwed into the image display unit and inserted into the holder, and a coil spring that is attached to the bolt and biases the holder with a predetermined pressing force. A projector featuring:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5335789U JPH02144704U (en) | 1989-05-08 | 1989-05-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5335789U JPH02144704U (en) | 1989-05-08 | 1989-05-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02144704U true JPH02144704U (en) | 1990-12-07 |
Family
ID=31574474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5335789U Pending JPH02144704U (en) | 1989-05-08 | 1989-05-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02144704U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0510722A (en) * | 1991-07-05 | 1993-01-19 | Dainippon Screen Mfg Co Ltd | Length measurement apparatus |
| CN110402621A (en) * | 2017-03-08 | 2019-11-01 | 株式会社富士 | Three-dimensional mounting device and three-dimensional installation method |
-
1989
- 1989-05-08 JP JP5335789U patent/JPH02144704U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0510722A (en) * | 1991-07-05 | 1993-01-19 | Dainippon Screen Mfg Co Ltd | Length measurement apparatus |
| CN110402621A (en) * | 2017-03-08 | 2019-11-01 | 株式会社富士 | Three-dimensional mounting device and three-dimensional installation method |