JPH01265663A - Picture input device - Google Patents
Picture input deviceInfo
- Publication number
- JPH01265663A JPH01265663A JP63094812A JP9481288A JPH01265663A JP H01265663 A JPH01265663 A JP H01265663A JP 63094812 A JP63094812 A JP 63094812A JP 9481288 A JP9481288 A JP 9481288A JP H01265663 A JPH01265663 A JP H01265663A
- Authority
- JP
- Japan
- Prior art keywords
- image
- conversion element
- photoelectric conversion
- scanning
- signal
- 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
- 238000006243 chemical reaction Methods 0.000 claims abstract description 35
- 238000003384 imaging method Methods 0.000 claims description 16
- 239000006185 dispersion Substances 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 7
- 238000012937 correction Methods 0.000 description 4
- 230000003187 abdominal effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000010365 information processing Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
Landscapes
- Image Input (AREA)
- Facsimile Scanning Arrangements (AREA)
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明は、情報処理装置等に画像を平面像として入力す
るだめの画像入力装置に関するものである。DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to an image input device for inputting an image to an information processing device or the like as a two-dimensional image.
従来の技術
従来の画像入力装置としては、例えば特公昭６０−５５
８６７号公報に示されているものがある。2. Prior Art As a conventional image input device, for example,
There is one shown in Publication No. 867.
第３図はこの従来の画像入力装置のブロック図第４図は
その要部の具体的な構成を示す図である。FIG. 3 is a block diagram of this conventional image input device, and FIG. 4 is a diagram showing the specific configuration of its main parts.
１は画像処理装置、２はインターフェース、３は信号変
換回路、４は光電変換素子、６は撮像面、６は結像器、
８は制御部、１ｏは被写体である。1 is an image processing device, 2 is an interface, 3 is a signal conversion circuit, 4 is a photoelectric conversion element, 6 is an imaging surface, 6 is an imager,
8 is a control unit, and 1o is a subject.
以上のように構成された従来の画像入力装置においては
、被写体１ｏからの光は結像器６によって撮像面６に結
像される。この撮像面６に結像された像は、撮像面６上
に直線状に配列された光電変換素子４が第４図口に示す
ように主走査、及び −副走査を行なうことにより電
気信号に変換され、信号変換回路３で画像処理装置１が
処理可能な信号に変換される。In the conventional image input device configured as described above, light from the subject 1o is imaged on the imaging surface 6 by the imager 6. The image formed on the imaging surface 6 is converted into an electrical signal by the photoelectric conversion elements 4 linearly arranged on the imaging surface 6 performing main scanning and sub-scanning as shown in the opening of FIG. The signal is converted into a signal that can be processed by the image processing device 1 by the signal conversion circuit 3.
発明が解決しようとする課題
しかしながら上記のような構成では、像全体を読み取る
ためには光電変換素子４を副走査方向に走査する空間若
しくは操作が必要であシ、又結像器６の結像特性で像の
周辺光量が低下するため光電変換素子４の副走査にとも
なって補正を加える必要があり、更に複数の光電変換素
子を使用するため光電変換素子毎に出力のバラツキがあ
るという問題点を有していた。Problems to be Solved by the Invention However, with the above configuration, in order to read the entire image, space or operation for scanning the photoelectric conversion element 4 in the sub-scanning direction is required, and the image formation of the imager 6 is Due to the characteristics, the amount of light around the image decreases, so it is necessary to make corrections as the photoelectric conversion element 4 performs sub-scanning, and furthermore, since multiple photoelectric conversion elements are used, there is a problem that the output varies from photoelectric conversion element to photoelectric conversion element. It had
本発明はかかる点に鑑み、光電変換素子及び被写体の位
置を変えずに走査を行ない、副走査に伴う光量の補正を
必要とせず、光電変換素子の出力のバラツキを無視でき
る画像入力装置を提供することを目的とする。In view of the above, the present invention provides an image input device that performs scanning without changing the positions of the photoelectric conversion element and the subject, does not require correction of the amount of light associated with sub-scanning, and can ignore variations in the output of the photoelectric conversion element. The purpose is to
課題を解決するための手段
本発明は被写体からの光を反射し、被写体及び結像器に
対する角度を変えることができる可動反射鏡と、前記可
動反射鏡により反射された光を撮像面に結像させる結像
器と、結像した像の光を電気信号に変換する撮像面上の
光電変換素子と、この電気信号を画像処理装置が処理可
能な信号に変換する信号変換回路と、前記可動反射鏡の
回転角度を制御して被写体を走査する走査部と、前記信
号変換回路と前記光電変換素子及び前記走査部を制御す
る制御部とを備えた画像入力装置である。Means for Solving the Problems The present invention includes a movable reflector that reflects light from a subject and can change the angle with respect to the subject and an imager, and forms an image of the light reflected by the movable reflector on an imaging plane. a photoelectric conversion element on the imaging surface that converts the light of the formed image into an electrical signal, a signal conversion circuit that converts this electrical signal into a signal that can be processed by an image processing device, and the movable reflector. The image input device includes a scanning section that scans a subject by controlling the rotation angle of a mirror, and a control section that controls the signal conversion circuit, the photoelectric conversion element, and the scanning section.
作用
本発明は前記した構成とし、可動反射鏡を副走査方向に
回転させることによシ光電変換素子及び被写体の位置を
変えずに保全体の走査を行なうことができ、副走査に伴
う光量の補正を必要とせず、可動反射鏡を主走査方向に
も回転させれば光電変換素子は１個のみで構成すること
ができ、光電変換素子の出力のバラツキを無視できる。Function The present invention has the above-mentioned configuration, and by rotating the movable reflecting mirror in the sub-scanning direction, the whole area can be scanned without changing the positions of the photoelectric conversion element and the subject, and the amount of light accompanying the sub-scanning can be reduced. If correction is not required and the movable reflecting mirror is also rotated in the main scanning direction, only one photoelectric conversion element can be used, and variations in the output of the photoelectric conversion element can be ignored.
実施例
第１図は本発明の第１の実施例における画像入力装置の
ブロック図、第２図はその要部の構成図である。第１図
において第３図と同一名称については同一番号を付して
説明する。１は画像処理装置、２はインターフェース、
３は信号変換回路、４は光電変換素子、６は撮像面、６
は結像器、７は可動反射鏡、８は制御部、９は可動反射
鏡７の走査部、１０は被写体である。Embodiment FIG. 1 is a block diagram of an image input device according to a first embodiment of the present invention, and FIG. 2 is a configuration diagram of its main parts. In FIG. 1, the same names as those in FIG. 3 will be explained using the same numbers. 1 is an image processing device, 2 is an interface,
3 is a signal conversion circuit, 4 is a photoelectric conversion element, 6 is an imaging surface, 6
7 is an imager, 7 is a movable reflecting mirror, 8 is a control section, 9 is a scanning section of the movable reflecting mirror 7, and 10 is a subject.
以上のように構成された本実施例の画像入力装置につい
て以下その動作を説明する。The operation of the image input device of this embodiment configured as described above will be described below.
被写体１ｏからの光は可動反射鏡７で反射され、結像器
６によって撮像面６に結像される。この撮像面６に結像
された像は、撮像面６上に直線状に配列された光電変換
素子４の主走査によシミ気信号に変換され、信号変換回
路３で画像処理装置１が処理可能な信号に変換された後
インターフェ−４ス２を通して画像処理装置１に送られ
る。−回の主走査が終わると制御部８は可動反射鏡７の
走査部９に制御信号を送り、可動反射鏡７の角度を副走
査方向に回転させ、撮像面６上の光電変換素子４の位置
に次に走査すべき像の部分が結像するように操作し、次
の主走査を行なう。以上の動作を繰り返すことによシ、
被写体１ｏの保全体を走査できる。Light from the subject 1o is reflected by a movable reflecting mirror 7, and an image is formed on an imaging surface 6 by an imager 6. The image formed on the imaging surface 6 is converted into a spot signal by main scanning of the photoelectric conversion elements 4 arranged linearly on the imaging surface 6, and is processed by the image processing device 1 in the signal conversion circuit 3. After being converted into a possible signal, it is sent to the image processing device 1 through the interface 4 2. - When the main scanning is completed, the control section 8 sends a control signal to the scanning section 9 of the movable reflecting mirror 7, rotates the angle of the movable reflecting mirror 7 in the sub-scanning direction, and the photoelectric conversion element 4 on the imaging surface 6 is rotated. The next main scan is performed so that the part of the image to be scanned next is focused on the position. By repeating the above operations,
The entire image of the object 1o can be scanned.
なお、本実施例において可動反射鏡７は副走査方向にの
み回転させたが、主走査方向にも回転させれば光電変換
素子４は一個のみで、可動反射鏡７も一画素分の大きさ
で構成できる。In this embodiment, the movable reflecting mirror 7 is rotated only in the sub-scanning direction, but if it is also rotated in the main scanning direction, there will be only one photoelectric conversion element 4, and the movable reflecting mirror 7 will also have the size of one pixel. It can be composed of
発明の詳細
な説明したように本発明によれば、光電変換素子及び被
写体の位置を変えずに副走査を行ない、副走査に伴う光
量の補正を必要とせず、可動反射鏡を主走査方向に回転
させれば光電変換素子の出力のバラツキを無視でき、小
形の画像入力装置を提供することができ、その実用的効
果は大きい。DETAILED DESCRIPTION OF THE INVENTION According to the present invention, sub-scanning is performed without changing the positions of the photoelectric conversion element and the subject, and the movable reflecting mirror is moved in the main-scanning direction without the need for correction of the amount of light accompanying sub-scanning. By rotating it, variations in the output of the photoelectric conversion elements can be ignored and a compact image input device can be provided, which has great practical effects.
第１図は本発明の一実施例における画像入力装置のブロ
ック図、第２図は同装置の光学系の構成図、第３図は従
来の座標入力装置のブロック図、第４図は同装置の構成
図である。
１・・・・・・画像処理装置、２・・・・・・インター
フェース、３・・・・・・信号変換回路、４・・・・・
・光電変換素子、５・・・・・・撮像面、６・・・・・
・結像器、７・・・・・・可動反射鏡、８・・・・・・
制御部、９・・・・・・走査部。
代理人の氏名 弁理士 中 尾 敏 男 ほか１名Ｓ−
ｍ−撮像面
７−一一可動又肚境
第 ｌ 図 ｔｏ−液写本５−
撮像面
第３図 １０−被写体Fig. 1 is a block diagram of an image input device according to an embodiment of the present invention, Fig. 2 is a configuration diagram of the optical system of the same device, Fig. 3 is a block diagram of a conventional coordinate input device, and Fig. 4 is the same device. FIG. 1... Image processing device, 2... Interface, 3... Signal conversion circuit, 4...
・Photoelectric conversion element, 5... Imaging surface, 6...
- Imager, 7... Movable reflector, 8...
Control unit, 9...Scanning unit. Name of agent: Patent attorney Toshio Nakao and one other person S-
m-Imaging surface 7-11 movable or abdominal area No. l Figure to-liquid manuscript 5-
Imaging surface Figure 3 10-Subject
Claims (1)
度を変えることができる可動反射鏡と、前記可動反射鏡
により反射された光を撮像面に結像させる結像器と、結
像した像の光を電気信号に変換する撮像面上の光電変換
素子と、この電気信号を画像処理装置が処理可能な信号
に変換する信号変換回路と、前記可動反射鏡の回転角度
を制御して被写体を走査する走査部と、前記信号変換回
路と前記光電変換素子及び前記走査部を制御する制御部
とを備えたことを特徴とする画像入力装置。A movable reflector that reflects light from a subject and can change the angle with respect to the subject and an imager; an imager that forms an image of the light reflected by the movable reflector on an imaging surface; and a formed image. a photoelectric conversion element on the imaging surface that converts the light of An image input device comprising: a scanning section that performs scanning; and a control section that controls the signal conversion circuit, the photoelectric conversion element, and the scanning section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63094812A JPH01265663A (en) | 1988-04-18 | 1988-04-18 | Picture input device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63094812A JPH01265663A (en) | 1988-04-18 | 1988-04-18 | Picture input device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01265663A true JPH01265663A (en) | 1989-10-23 |
Family
ID=14120467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63094812A Pending JPH01265663A (en) | 1988-04-18 | 1988-04-18 | Picture input device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01265663A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5973798A (en) * | 1997-01-17 | 1999-10-26 | Nec Corporation | Image scanner |
-
1988
- 1988-04-18 JP JP63094812A patent/JPH01265663A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5973798A (en) * | 1997-01-17 | 1999-10-26 | Nec Corporation | Image scanner |
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