JPH0827437B2 - Image input device - Google Patents
Image input deviceInfo
- Publication number
- JPH0827437B2 JPH0827437B2 JP61252028A JP25202886A JPH0827437B2 JP H0827437 B2 JPH0827437 B2 JP H0827437B2 JP 61252028 A JP61252028 A JP 61252028A JP 25202886 A JP25202886 A JP 25202886A JP H0827437 B2 JPH0827437 B2 JP H0827437B2
- Authority
- JP
- Japan
- Prior art keywords
- image
- image pickup
- subject
- imaging
- lens
- 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.)
- Expired - Fee Related
Links
Landscapes
- Facsimile Scanning Arrangements (AREA)
Description
【発明の詳細な説明】 〔産業上の利用分野〕 この発明は画像入力装置、特にコンパクト化および操
作性を向上させた画像入力装置に関するものである。The present invention relates to an image input device, and more particularly to an image input device that is compact and has improved operability.
この種の装置として第３図および第４図に示すものが
知られている。図において、１はたとえば、CCDなどの
固体撮像素子を用いた撮像手段である撮像装置、２はこ
の撮像装置１の撮像面に被写体の映像を結像させる結像
用レンズ、３は支柱、４は原稿台で、前記支柱３がこの
原稿台上４の後端部から上方に向けて設けられている。
５は電源スイッチ、６は原稿である。原稿６などの被写
体を前記原稿台４上に置き、被写体の映像を前記結像用
レンズ２により撮像面に結像させるようになっている。
７はアームである。Known devices of this type are shown in FIGS. 3 and 4. In the figure, 1 is an image pickup device which is an image pickup means using a solid-state image pickup device such as a CCD, 2 is an image forming lens for forming an image of a subject on an image pickup surface of the image pickup device 1, 3 is a column, 4 Is a document table, and the column 3 is provided upward from the rear end of the document table 4.
Reference numeral 5 is a power switch, and 6 is a document. A subject such as a document 6 is placed on the document table 4, and an image of the subject is formed on the image pickup surface by the image forming lens 2.
7 is an arm.
原稿６の中心に真上に撮像装置１と結像用レンズ２が
あり、装置をコンパクトにすると、撮像装置１と結像用
レンズ２が原稿面に近づき、装置を使用者にとってそれ
が目の前にきてしまい、原稿をかくしまうことがあっ
た。また、使用中に、原稿をかえたり、装置の調整を行
なったりする場合に、撮像装置１および結像用レンズ２
がじゃまになるという欠点があった。The image pickup device 1 and the image forming lens 2 are located directly above the center of the document 6 and when the device is made compact, the image pickup device 1 and the image forming lens 2 approach the document surface, and the user sees the device. Sometimes I came to the front and wrote the manuscript. In addition, when the document is changed or the device is adjusted during use, the image pickup device 1 and the imaging lens 2 are used.
It had the drawback of being an obstacle.
このため、結像用レンズ２と撮像装置１を一体とし
て、位置を原稿の中の中心Ｂの真上から、後側の支柱に
近いところに寄せて光軸の向きを原稿の中心Ｂに向けた
場合には、撮像装置１と結像用レンズ２はじゃまになら
なくなるのであるが、第５図に示すように、原稿６と撮
像装置１を短くしてコンパクトにしている従来装置で
は、レンズの被写界深度が浅くなり、Ｆナンバーが小さ
く明るいレンズでは、原稿６上の両側の点A,Cを含むす
べての点は合焦できないという欠点があった。For this reason, the image forming lens 2 and the image pickup device 1 are integrated, and the position is moved from directly above the center B of the document to a position close to the rear column, and the optical axis is directed to the center B of the document. In such a case, the image pickup device 1 and the image forming lens 2 will not interfere with each other. However, as shown in FIG. However, with a lens having a small depth of field, a small F number, and a bright lens, all points including points A and C on both sides of the original 6 cannot be focused.
このように、従来装置では、画像入力装置をコンパク
トにすると、撮像装置および結像用レンズが原稿面をか
くし、装置を操作するときじゃまになってしまい、ま
た、じゃまにならないようにすると、原稿上のすべての
点では合焦できないという問題点があった。As described above, in the conventional device, when the image input device is made compact, the image pickup device and the imaging lens cover the document surface, which is a hindrance when operating the device. There was a problem that it was not possible to focus on all the above points.
この発明は、以上のような問題点を解消するためにな
されたもので、撮像装置および結像用レンズが原稿面を
かくすことなく、装置を操作するときじゃまにならない
コンパクトな画像入力装置を提供することを目的として
いる。The present invention has been made to solve the above problems, and provides a compact image input device in which the imaging device and the imaging lens do not obscure the original surface without operating the device. The purpose is to do.
このため、被写体を載置するための載置台と、この載
置台上の前記被写体の映像情報を電気信号に変換する撮
像手段と、この撮像手段を支持する支持部材と、前記撮
像手段の撮像面に前記被写体の映像を結像させる結像用
レンズとを備え、前記結像用レンズの光軸（l2）を、前
記撮像手段の撮像面の中心を通りこの撮像面に垂直な軸
（l1）よりも使用者側に平行にシフトして設け、かつ、
前記被写体全体が撮像される所定の位置に前記被写体が
載置された際に、前記被写体が載置される上方空間から
前記結像用レンズの光軸（l2）が外れるよう前記結像用
レンズを配置することにより、前記の目的を達成しよう
とするものである。Therefore, a mounting table for mounting the subject, an image pickup means for converting the image information of the subject on the table into an electric signal, a support member for supporting the image pickup means, and an image pickup surface of the image pickup means. And an image forming lens for forming an image of the subject, and an optical axis (l 2 ) of the image forming lens passes through the center of the image pickup surface of the image pickup means and is perpendicular to the image pickup surface (l 2 ). It is installed parallel to the user side rather than 1 ), and
When the subject is placed at a predetermined position where the entire subject is imaged, the image forming lens is arranged so that the optical axis (l 2 ) of the image forming lens is deviated from the upper space where the subject is placed. By arranging the lens, the above-mentioned object is to be achieved.
以上のような構成により、結像用レンズの光軸を、撮
像装置の撮像面の中心を通り撮像面に垂直な軸よりも、
使用者側に平行に移動させ、かつ被写体全体が撮像され
る所定の位置に被写体が載置された際に、その被写体が
載置される上方空間から撮像用レンズの光軸が外れるよ
うにすることにより、撮像装置および結像用レンズが、
被写体面をかくすことなく、じゃまにならないで、コン
パクト化された装置を操作できる。With the above configuration, the optical axis of the imaging lens is set to be closer to the center of the image pickup surface of the image pickup device than the axis perpendicular to the image pickup surface.
The lens is moved parallel to the user side, and when the subject is placed at a predetermined position where the entire subject is imaged, the optical axis of the imaging lens is deviated from the upper space where the subject is placed. As a result, the imaging device and the imaging lens are
You can operate a compact device without obstructing the subject surface.
以下に、この発明の一実施例を、第１図および第２図
に基づいて説明する。An embodiment of the present invention will be described below with reference to FIGS. 1 and 2.
符号１〜７は従来装置と同一／相当部分を示し、重複
説明をさける。Reference numerals 1 to 7 indicate the same / corresponding parts as those of the conventional device, and avoid redundant description.
図において、l1は撮像装置１の撮像面の中心を通り、
撮像面に垂直である軸、l2は結像用レンズ２の光軸で、
結像用レンズ２と撮像装置１は、この結像用レンズ２の
光軸l2が撮像装置１の撮像面の中心を通り、撮像面に垂
直である軸l1よりも、使用者側にΔＸだけ平行移動され
た状態に設置されている。したがって、撮像装置１の点
Ａ′には原稿の点Ａが、同様に点Ｂ′には原稿の点Ｂ
が、点ｃ′には原稿の点Ｃが結像される。In the figure, l 1 passes through the center of the imaging surface of the imaging device 1,
The axis perpendicular to the imaging plane, l 2 is the optical axis of the imaging lens 2,
The imaging lens 2 and the imaging device 1 are closer to the user than the axis l 1 which is an optical axis l 2 of the imaging lens 2 passing through the center of the imaging surface of the imaging device 1 and perpendicular to the imaging surface. It is installed in a state translated by ΔX. Therefore, the point A'of the document is at the point A'of the image pickup apparatus 1, and the point B'of the document is similarly at the point B '.
However, the point C of the document is imaged at the point c '.
この発明の一実施例によれば、結像用レンズの光軸l2
を、撮像装置１の撮像面の中心Ｂ′を通り撮像面に垂直
な軸l1よりも、使用者側に平行にΔＸだけシフトして設
けたことにより、撮像装置１を原稿上の点Ｃの位置より
もさらに奥に引っ込めることが可能となり、撮像装置１
および結像用レンズ２が原稿面をかくすこともなく、装
置を操作するときもじゃまにならないコンパクトな画像
入力装置を提供できる。According to one embodiment of the present invention, the optical axis l 2 of the imaging lens is
Is provided by being shifted by ΔX in parallel to the user side with respect to an axis l 1 which passes through the center B ′ of the image pickup surface of the image pickup apparatus 1 and is perpendicular to the image pickup surface. It becomes possible to retract further than the position of
Further, it is possible to provide a compact image input device in which the image forming lens 2 does not cover the document surface and does not interfere with the operation of the device.
この発明の一実施例では、結像用レンズの光軸l2を、
撮像装置１の撮像面の中心Ｂ′を通り撮像面に垂直な軸
l1よりも使用者側に平行移動された状態に設置したが、
撮像装置１の撮像面中心を通り撮像面に垂直な軸と結像
用レンズの光軸l2の平行移動の量ΔＸを調節できるよう
にすると、原稿台４に動かしにくいもの、たとえば液体
が入った容器とか、重いもの、微振動を与えられないも
のなどを置いて、一部分のクローズアップ画面を被写体
のいろいろな部分でとりたい場合などに、被写体を動か
さないで、撮像画面を変えることができる。In one embodiment of the present invention, the optical axis l 2 of the imaging lens is
An axis passing through the center B ′ of the image pickup surface of the image pickup apparatus 1 and perpendicular to the image pickup surface
I installed it in parallel to the user side than l 1 ,
If the amount of parallel movement ΔX between the axis that passes through the center of the image pickup surface of the image pickup apparatus 1 and is perpendicular to the image pickup surface and the optical axis l 2 of the image forming lens can be adjusted, it is difficult to move the original table 4 such as a liquid. You can change the image capture screen without moving the subject when you want to take a close-up screen of various parts of the subject by placing a container, a heavy object, something that can not give a slight vibration, etc. .
以上に説明してきたように、この発明によれば、結像
用レンズの光軸を、撮像装置の撮像面の中心を通り撮像
面に垂直な軸よりも、使用者側に平行にシフトして設
け、かつ被写体全体が撮像される所定の位置に被写体が
載置された際に、その被写体が載置される上方空間から
結像用レンズの光軸が外れるようにすることにより、撮
像装置および結像用レンズが被写体面をかくすこともな
く、装置を操作するときもじゃまにならないコンパクト
な画像入力装置を提供できるという効果がある。As described above, according to the present invention, the optical axis of the imaging lens is shifted in parallel to the user side with respect to the axis passing through the center of the image pickup surface of the image pickup apparatus and perpendicular to the image pickup surface. When the subject is placed at a predetermined position where an image of the entire subject is provided, the optical axis of the imaging lens is deviated from the upper space where the subject is placed. It is possible to provide a compact image input device in which the imaging lens does not cover the subject surface and does not interfere with the operation of the device.
第１図はこの発明の一実施例の画像入力装置の説明用の
側断面図、第２図は同画像入力装置を示す斜視図。第３
図は従来装置を示す斜視図、第４図は同光学系の説明用
側断面図、第５図は他の従来装置の光学系の説明用側断
面図である。 図中、 １……撮像装置 ２……結像用レンズ ４……原稿台 l1……撮像装置の撮像面の中心を通り、撮像面に垂直な
軸 l2……結像レンズの光軸 なお、各図中、同一符号は同一／相当部分を示す。FIG. 1 is a side sectional view for explaining an image input device according to an embodiment of the present invention, and FIG. 2 is a perspective view showing the image input device. Third
FIG. 4 is a perspective view showing a conventional device, FIG. 4 is a side sectional view for explaining the same optical system, and FIG. 5 is a side sectional view for explaining an optical system of another conventional device. In the figure, 1 ... Imaging device 2 ... Imaging lens 4 ... Document table l 1 ... Axis passing through the center of the imaging surface of the imaging device and perpendicular to the imaging surface l 2 ...... Optical axis of imaging lens In each drawing, the same reference numerals indicate the same / corresponding parts.
Claims (2)
する撮像手段と、 この撮像手段を支持する支持部材と、 前記撮像手段の撮像面に前記被写体の映像を結像させる
結像用レンズとを備え、 前記結像用レンズの光軸（l2）を、前記撮像手段の撮像
面の中心を通りこの撮像面に垂直な軸（l1）よりも使用
者側に平行にシフトして設け、 かつ、前記被写体全体が撮像される所定の位置に前記被
写体が載置された際に、前記被写体が載置される上方空
間から前記結像用レンズの光軸（l2）が外れるよう前記
結像用レンズが配置されたことを特徴とする画像入力装
置。1. A mounting table for mounting an object, an imaging means for converting image information of the object on the mounting table into an electric signal, a support member for supporting the imaging means, and an imaging means for the imaging means. An image forming lens for forming an image of the subject on an image pickup surface, and an optical axis (l 2 ) of the image forming lens passing through the center of the image pickup surface of the image pickup means and perpendicular to the image pickup surface. (L 1 ) is provided so as to be shifted in parallel to the user side, and when the subject is placed at a predetermined position where the entire subject is imaged, from the upper space where the subject is placed An image input device, wherein the image forming lens is arranged so that an optical axis (l 2 ) of the image forming lens is deviated.
光軸（l2）との間隔が調節可能に構成されていることを
特徴とする特許請求の範囲第１項記載の画像入力装置。 2. The distance between the axis (l 1 ) perpendicular to the imaging surface and the optical axis (l 2 ) of the imaging lens is adjustable so that the distance can be adjusted. The image input device described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61252028A JPH0827437B2 (en) | 1986-10-24 | 1986-10-24 | Image input device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61252028A JPH0827437B2 (en) | 1986-10-24 | 1986-10-24 | Image input device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63106722A JPS63106722A (en) | 1988-05-11 |
| JPH0827437B2 true JPH0827437B2 (en) | 1996-03-21 |
Family
ID=17231581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61252028A Expired - Fee Related JPH0827437B2 (en) | 1986-10-24 | 1986-10-24 | Image input device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0827437B2 (en) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS49114933A (en) * | 1973-03-02 | 1974-11-01 | ||
| US4514063A (en) * | 1983-04-28 | 1985-04-30 | Wang Laboratories, Inc. | Scanner document positioning device |
-
1986
- 1986-10-24 JP JP61252028A patent/JPH0827437B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63106722A (en) | 1988-05-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |