JPH04117862A - Original reader and information processor using it - Google Patents
Original reader and information processor using itInfo
- Publication number
- JPH04117862A JPH04117862A JP23589890A JP23589890A JPH04117862A JP H04117862 A JPH04117862 A JP H04117862A JP 23589890 A JP23589890 A JP 23589890A JP 23589890 A JP23589890 A JP 23589890A JP H04117862 A JPH04117862 A JP H04117862A
- Authority
- JP
- Japan
- Prior art keywords
- sla
- reference face
- face
- reference surface
- document
- 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 abstract description 23
- 238000003384 imaging method Methods 0.000 claims description 18
- 230000010365 information processing Effects 0.000 claims description 8
- 238000000034 method Methods 0.000 abstract description 7
- 239000006059 cover glass Substances 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000009835 boiling Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 229910021417 amorphous silicon Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Landscapes
- Facsimile Heads (AREA)
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野コ
本発明は、短焦点結像素子アレイを用いる原稿読取装置
及びそれを用いた情報処理装置に関し、特に短焦点結像
素子アレイの位置決め方法を改善した原稿読取装置及び
それを用いた情報処理装置に関するものである。Detailed Description of the Invention [Field of Industrial Application] The present invention relates to a document reading device using a short focus imaging element array and an information processing apparatus using the same, and in particular to a method for positioning the short focus imaging element array. The present invention relates to an improved document reading device and an information processing device using the same.
［従来の技術］
第３図は、従来の短焦点結像素子アレイを用いる原稿読
取装置の断面図（Ａ）、及び内部構造を示した正面図（
Ｂ）であり、（Ａ）図は（Ｂ）図のｘ−ｘ’断面を示す
ものである。[Prior Art] FIG. 3 is a cross-sectional view (A) of a document reading device using a conventional short focus imaging element array, and a front view (A) showing the internal structure.
B), and the figure (A) shows the xx' cross section of the figure (B).
同図において、１は短焦点結像素子アレイ（以下Ｓ １
．、、 Ａと称す）、２は筐体、３はカバーガラス、４
は光センサ−，６はＳＬＡ固定ネジ、７はピント調整用
のＳＬＡ位置決めの為の調整ネジ、ｆは原稿面を示して
いる。In the figure, 1 is a short focus imaging element array (hereinafter referred to as S 1
．． ,, A), 2 is the housing, 3 is the cover glass, 4
6 is an optical sensor, 6 is an SLA fixing screw, 7 is an adjustment screw for positioning the SLA for focus adjustment, and f is the document surface.
従来、この様な構成の原稿読取装置の、ＳＬＡの位置決
め方法は、第３図の様にピント調整ネジ７でＳ Ｌ Ａ
］を上下させ、原稿面ｆに光センサーの解像度に応じ
た白黒ラインの並んだＭＴＦヂャトを密着させ、オシロ
スコープにて波形を見ながら、白と黒とに応じた出力信
号の差であるＭＴＦが最高値になる様に調整し、ＳＬＡ
固定ネジ６で固定して行なっていた。Conventionally, the method for positioning the SLA in a document reading device having such a configuration is to adjust the SLA using the focus adjustment screw 7 as shown in FIG.
] by moving it up and down, place the MTF chart with black and white lines arranged according to the resolution of the optical sensor in close contact with the document surface f, and while looking at the waveform with an oscilloscope, measure the MTF, which is the difference between the output signals according to white and black. Adjust to the highest value and set SLA
It was fixed with fixing screw 6.
また、ピント調整ネジ７を調整用治工具に置き替えて、
５ＬＡＩを上下させて行なうという方法も行なわれてい
た。Also, by replacing the focus adjustment screw 7 with an adjustment jig,
A method of increasing and decreasing 5LAI was also used.
［発明が解決しようとしている課題］
しかしながら、上記従来例では、ＳＬＡの厚みＨのバラ
ツギが例えば±０．３３ｍｍで、ＴＣ値（センサー面と
原稿面との距離）か］、４４．４ｍである時、ピント調
整のためのＴＣ値の１／２のところにＳＬＡの中心を位
置決めしなければならず、’Ａ Ｔ Ｃ値上０．０５ｍ
ｍ （Ｍ Ｆ Ｔ ＝ ４０％を確保）の精度が必要と
なる。従って、次の様な点が改善されるべきである。[Problems to be Solved by the Invention] However, in the above conventional example, the variation in the thickness H of the SLA is, for example, ±0.33 mm, and the TC value (distance between the sensor surface and the document surface) is 44.4 m. At the time, the center of the SLA must be positioned at 1/2 of the TC value for focus adjustment, and the center of the SLA must be 0.05 m above the TC value.
An accuracy of m (ensure M F T = 40%) is required. Therefore, the following points should be improved.
（１）複雑なＳＬＡのピント調整工程が必要となる。(1) A complicated SLA focus adjustment process is required.
（２）センサーを作動させ、チャート読みによる波形調
整が必要となる。(2) It is necessary to operate the sensor and adjust the waveform by reading the chart.
（３）ピント調整ネジもしくはピント調整治工具が必要
となる。(3) A focus adjustment screw or focus adjustment jig is required.
（４）ピント調整ネジ及びＳＬＡ固定用ネジによるゴミ
の誘発がある。(4) Dust may be generated by the focus adjustment screw and the SLA fixing screw.
（５）ＳＬＡ固定用ネジによるＳ Ｌ Ａの割れの誘発
がある。(5) SLA fixing screws may cause cracks in the SLA.
［課題を解決するための手段及び作用］本発明は、前述
した課題を解決するための手段として、
光センサーと、短焦点結像素子アレイと、前記短焦点結
像素子アレイを保持する保持部材と、原稿に接触する第
１の基準面を有し前記光センサーに対する前記原稿の位
置を決める為の原稿位置決め部材と、を一体的に有する
原稿読取装置において、
前記短焦点結像素子アレイの両側には、前記短焦点結像
素子アレイの光軸方向の２分の１の部分に、光軸と垂直
に交わる第２の基準面が設けられており、前記保持部材
には前記第１の基準面と前記光センサーとの距離の２分
の１の部分に第３の基準面が設けられており、前記第２
の基準面と前記第３の基準面とが接触していることを特
徴とする原稿読取装置を提供するものである。[Means and effects for solving the problems] The present invention provides, as means for solving the above-mentioned problems, an optical sensor, a short focus imaging element array, and a holding member that holds the short focus imaging element array. and a document positioning member having a first reference surface in contact with the document and for determining the position of the document relative to the optical sensor. is provided with a second reference plane that intersects perpendicularly to the optical axis at a half of the short focus imaging element array in the optical axis direction, and the holding member is provided with a second reference plane that is perpendicular to the optical axis. A third reference surface is provided at a half of the distance between the surface and the optical sensor, and the second reference surface
The present invention provides a document reading device characterized in that the reference surface of the document and the third reference surface are in contact with each other.
また前記原稿読取装置と、前記原稿を搬送するｙ′５の
搬送手段と、を有することを特徴とする情報処理装置に
よって前記課題を解決しようとするものである。Further, the present invention attempts to solve the above problem by providing an information processing apparatus characterized by having the document reading device and a conveying means y'5 for conveying the document.
また前記短焦点結像素子アレイの第２の基準面と、前記
保持部材の第３の基準面との接触部分において、前記短
焦点結像素子アレイと前記保持部材とは、前記接触面の
横方向（接触面に平行な方向）に隙間を有することが好
ましい。Further, at the contact portion between the second reference surface of the short focus imaging element array and the third reference surface of the holding member, the short focus imaging element array and the holding member are located on the side of the contact surface. It is preferable to have a gap in the direction (direction parallel to the contact surface).
本発明によれば、前記短焦点結像素子アレイ（ＳＬＡ）
の両側に設けられた第２の基準面としてのピント調整基
準面りを、筐体の前記保持部材に設けた第３の基準面と
してのピント調整基準面ｇで密着して保持するように組
み立てることにより、ＳＬＡの調整が自動的にできる。According to the invention, the short focus imaging element array (SLA)
are assembled so that the focus adjustment reference surfaces as second reference surfaces provided on both sides of the housing are held in close contact with the focus adjustment reference surfaces g as a third reference surface provided on the holding member of the housing. This allows automatic SLA adjustment.
そのため従来のように、ＳＬＡを上下に微動させて調整
する事なく、センサー面と原稿面との距離ＴＣの％（中
心位置）にＳＬＡの中心部を確保出来るものである。Therefore, the center of the SLA can be secured at % (center position) of the distance TC between the sensor surface and the document surface without adjusting the SLA by slightly moving it up and down as in the conventional case.
またＳＬＡのピント調整基準面りと筐体のピント調整基
準面ｇの横方向（基準面の接触面に平行な方向）に、隙
間ｔを設りて組み立てておくことにより、熱膨張による
変形が生じても、この変形分を隙間ｔで吸収することが
でき、基準面ｇ、 ｈの密着性を保つことができる。In addition, by creating a gap t in the lateral direction (parallel to the contact surface of the reference surface) between the focus adjustment reference surface of the SLA and the focus adjustment reference surface g of the housing, deformation due to thermal expansion can be prevented. Even if this occurs, this deformation can be absorbed by the gap t, and the adhesion between the reference surfaces g and h can be maintained.
［実施例］
以下、本発明の実施例について図面を参照しながら説明
する。[Example] Hereinafter, an example of the present invention will be described with reference to the drawings.
第１図は、本発明による原稿読取装置の実施例を示す図
であり、第１図（Ａ）は本実施例の上面図、 ＣＢ）は
上面図（Ａ）のＸ−Ｙ断面図であり、（Ｃ）は内部構造
を示す上面図（Ａ）のＷ−７断面図、 （Ｄ）はＳＬＡ
端部詳細図である。FIG. 1 is a diagram showing an embodiment of a document reading device according to the present invention, FIG. 1(A) is a top view of the embodiment, and FIG. , (C) is a top view showing the internal structure, W-7 sectional view of (A), (D) is SLA
FIG. 3 is a detailed view of the end.
また図において、■は短焦点結像素子アレイ（ＳＬＡ）
、２は筐体、３は第１の基準面を有する原稿位置決め部
材としてのカバーガラス、４は光センサ−，５は原稿、
ｆは原稿面、ｇは筐体に設けられた保持部材に形成され
た第３の基準面としてのピント調整基準面、ｈは第２の
基準面としてのＳＬＡのピント調整基準面である。In the figure, ■ is a short focus imaging element array (SLA)
, 2 is a housing, 3 is a cover glass as a document positioning member having a first reference surface, 4 is an optical sensor, 5 is a document,
f is a document surface, g is a focus adjustment reference surface as a third reference surface formed on a holding member provided in the casing, and h is a focus adjustment reference surface of SLA as a second reference surface.
本実施例では、Ｓ Ｌ Ａ １の厚みをＨ＝＝６．８ｍ
ｍとし、第１の基準面である原稿面と、センサー面との
光学的距離（ＴＣ）をＴ Ｃ＝ １４．４ｍｍとし、５
ＬＡ１のピント調整基準面りの厚み寸法ρを、Ｓ Ｔ−
Ａ厚みＨの半分（１２＝ ３．４ｍｍ）とし、筐体のピ
ント調整基準面ｇの原稿面ｆからの距離をＴＣ／２＝７
．２ｍｍとする。In this example, the thickness of S L A 1 is H==6.8 m.
m, and the optical distance (TC) between the document surface, which is the first reference surface, and the sensor surface is T C = 14.4 mm, and 5.
The thickness dimension ρ of the focus adjustment reference surface of LA1 is S T-
A is half the thickness H (12 = 3.4 mm), and the distance from the document surface f to the focus adjustment reference surface g of the housing is TC/2 = 7
．． The length shall be 2 mm.
上記の寸法にて、Ｓ Ｌ Ａ ｌの基準面りと筐体２の
基準面ｇが密着する様に組み立てる。Assemble with the above dimensions so that the reference surface of S L Al and the reference surface g of the casing 2 are in close contact.
ここで、９はゴム等の可撓性部材であり、８の押さえ板
により、カバーガラス３、ゴム９を介して、５ＬＡＩの
ピント調整基準面りを、筐体のピント調整基準面ｇに押
し当てて密着させて組み立てられる。Here, 9 is a flexible member such as rubber, and the pressing plate 8 pushes the focus adjustment reference surface of 5LAI onto the focus adjustment reference surface g of the housing via the cover glass 3 and the rubber 9. It can be assembled by placing it in close contact.
尚、基準面ｇの上に基準面りを乗せる際、筐体とＳＬＡ
の横方向（基準面の接触面に平行な方向）に隙間ｔを設
け、筐体及びＳＬＡに熱による膨張があっても、この隙
間上で吸収することで、基準面ｇとｈの密着性が保たれ
る様に考慮することにより、信頼性も高まる。In addition, when placing the reference surface on the reference surface g, the casing and SLA
A gap t is provided in the lateral direction (direction parallel to the contact surface of the reference surface), and even if the housing and SLA expand due to heat, this gap absorbs it, thereby improving the adhesion between the reference surfaces g and h. Reliability will also be increased by taking into consideration that this is maintained.
また第２図は、本発明の他の実施例を示す部分断面図で
あり、本実施例では、押え板８に板バネ１０を溶接して
設け、この板バネ１０により、５ＬＡＩの基準面りを筐
体の基準面ｇに密着させて組み立てることにより、前述
した実施例と同様の効果を得ることができる。FIG. 2 is a partial sectional view showing another embodiment of the present invention. In this embodiment, a plate spring 10 is welded to the presser plate 8, and this plate spring 10 allows the reference surface of 5 LAI to be By assembling the device in close contact with the reference surface g of the casing, the same effects as in the embodiment described above can be obtained.
また、第１の基準面はガラスを用いずに、ガイド部材等
で形成してもよい。Further, the first reference surface may be formed of a guide member or the like without using glass.
そして、光センサ−４としては、発明者 畑中等に付与
された米国特許第４，４６１，９５６号明細書に記載さ
れているような非晶質シリコンを用いた長尺の光センサ
ーが低価格、高解像度であることがら好ましい。As the optical sensor 4, a long optical sensor using amorphous silicon as described in U.S. Patent No. 4,461,956 issued to Hata et al. , is preferable because it has high resolution.
また、発明者 火見等に付与された米国特許第４．７９
１，４６９号明細書や、発明者田中等に付与された米国
特許第４．８１．０．８９６号明細書に記載されている
様なバイポーラトランジスタのエミッタに容量負荷を設
けてエミッタより出力信号を電圧読み出しするタイプの
光センサーも、より好適に用いられる。Also, U.S. Patent No. 4.79 granted to inventor Himi et al.
No. 1,469 and U.S. Patent No. 4.81.0.896 issued to Tanaka et al., the emitter of a bipolar transistor is provided with a capacitive load, and the output signal is output from the emitter. A type of optical sensor that reads voltage is also more preferably used.
第４図は、本実施例に係る原稿読取装置（センサユニッ
ト１００）を用いて構成した画像情報処理装置として通
信機能を有するファクシミリの一例を示す概略的構成図
である。FIG. 4 is a schematic configuration diagram showing an example of a facsimile having a communication function as an image information processing device configured using the document reading device (sensor unit 100) according to this embodiment.
ここで、１０２は原稿ｐｐを読み取り位置に向けて給送
するための給送手段としての給送ローラ、１０４は原稿
ｐｐを一枚ずつ確実に分離給送するための分離片である
。１０６はセンサユニットに対して読み取り位置に設け
られて原稿ｐｐの被読み取り面を規制するとともに原稿
ｐｐを搬送する搬送手段としてのプラテンローラである
。Here, 102 is a feeding roller serving as a feeding means for feeding the original pp toward the reading position, and 104 is a separation piece for reliably separating and feeding the original pp one by one. Reference numeral 106 denotes a platen roller which is provided at a reading position with respect to the sensor unit, regulates the surface to be read of the document pp, and serves as a conveying means for conveying the document pp.
Ｐは図示の例ではロール紙形態をした記録媒体であり、
センサユニット１００により読み取られた画像情報ある
いはファクシミリ装置等の場合には、外部から送信され
た画像情報がここに再生される。］１０は当該画像形成
を行なうための記録手段としての記録ヘッドで、サーマ
ルヘッド、インクジェット記録ヘッド等種々のものを用
いることができる。また、この記録ヘッドは、シリアル
タイプのものでも、ラインタイプのものでもよい。In the illustrated example, P is a recording medium in the form of a roll paper,
In the case of image information read by the sensor unit 100 or a facsimile device, image information transmitted from the outside is reproduced here. ] 10 is a recording head as a recording means for forming the image, and various types such as a thermal head and an inkjet recording head can be used. Further, this recording head may be of a serial type or a line type.
１１２は記録ヘッド１１０による記録位置に対して記録
媒体Ｐを搬送するとともにその被記録面を蜆制する搬送
手段としてのプラテンローラである。Reference numeral 112 denotes a platen roller serving as a conveying means for conveying the recording medium P to the recording position by the recording head 110 and controlling the recording surface thereof.
１２０ば、入力／出力手段としての操作入力を受容する
スイッチやメツセージその他、装置の状態を報知するた
めの表示部等を配したオペレーションパネルである。Reference numeral 120 is an operation panel that is provided with switches and messages for receiving operation input as input/output means, and a display section for notifying the status of the apparatus.
１３０は制御手段としてのシステムコントロール基板で
あり、各部の制御を行なう制御部（コントローラー）や
、光電変換素子の駆動回路（ドライバー）、画像情報の
処理部（プロセッサー）、送受信部等が設けられる。１
４０は装置の電源である。Reference numeral 130 denotes a system control board as a control means, and is provided with a control section (controller) for controlling each section, a drive circuit (driver) for the photoelectric conversion element, an image information processing section (processor), a transmitting/receiving section, and the like. 1
40 is a power source for the device.
本発明の情報処理装置に用いられる記録手段としては、
例えば米国特許第４７２３１２９号明細書、同第４７４
０７９６号明細書にその代表的な構成や原理が開示され
ているものが好ましい。この方式は液体（インク）が保
持されているシートや液路に対応して配置されている電
気熱変換体に、記録情報に対応していて核沸騰を越える
急速な温度上昇を与える少なくとも一つの駆動信号を印
加することによって、電気熱変換体に熱エネルギーを発
生せしめ、記録ヘッドの熱作用面に膜沸騰させて、結果
的にこの駆動信号に一対一に対応した液体（インク）内
の気泡を形成出来るので有効である。この気泡の成長、
収縮により吐出用開口を介して液体（インク）を吐出さ
せて、少なくとも一つの滴を形成する。As the recording means used in the information processing device of the present invention,
For example, U.S. Pat. No. 4,723,129, U.S. Pat.
Preferably, the typical configuration and principle thereof are disclosed in the specification of No. 0796. In this method, at least one electrothermal transducer that corresponds to the recorded information and that causes a rapid temperature rise exceeding nucleate boiling is applied to an electrothermal transducer placed corresponding to the sheet holding the liquid (ink) or the liquid path. By applying a drive signal, the electrothermal transducer generates thermal energy, causing film boiling on the heat-active surface of the recording head, resulting in bubbles in the liquid (ink) corresponding one-to-one to this drive signal. It is effective because it can form . The growth of this bubble,
The contraction causes liquid (ink) to be ejected through the ejection opening to form at least one drop.
更に、記録装置が記録できる最大記録媒体の幅に対応し
た長さを有するフルラインタイプの記録ヘッドとしては
、上述した明細書に開示さ２′１でいるような複数記録
ヘッドの組み合わせによって、その長さを満たす構成や
一体的に形成された一個の記録ヘッドとしての構成のい
ずれでも良い。Furthermore, a full-line type recording head having a length corresponding to the width of the maximum recording medium that can be recorded by the recording apparatus can be produced by a combination of multiple recording heads as disclosed in the above-mentioned specification. Either a configuration that satisfies the length or a configuration as a single recording head formed integrally may be used.
加えて、装置本体に装着されることで、装置本体との電
気的な接続や装置本体からのインクの供給が可能になる
交換自在のチップタイプの記録ヘッド、あるいは記録ヘ
ッド自体にインクタンクが一体的に設けられたカートリ
ッジタイプの記録ヘッドを用いた場合にも本発明は有効
である。In addition, there are also replaceable chip-type recording heads that can be installed on the device body to enable electrical connection to the device body and supply of ink from the device body, or an ink tank integrated into the recording head itself. The present invention is also effective when a cartridge type recording head is used.
［発明の効果］
本発明によって、複雑なＳ Ｌ Ａのピント調整が不要
となる為、以下の効果が得られる。[Effects of the Invention] The present invention eliminates the need for complicated SLA focus adjustment, and thus provides the following effects.
（１）センサーを作動する事な（組立てが完了できる。(1) Activate the sensor (assembly can be completed).
（２）ピント調整用の治工具、固定用ネジが不要となる
。(2) No need for focus adjustment jigs or fixing screws.
（３）ピント調整用の治工具、固定用ネジへのセツティ
ング工程が不要となる。(3) There is no need for a focus adjustment jig or setting process for fixing screws.
（４）固定用ネジによる、ゴミの発生や、ＳＬＡの割れ
の発生を無くすことができる。(4) Generation of dust and cracking of the SLA due to fixing screws can be eliminated.
上記の様に、製造上の工程、部品が廃止されるとともに
、ＳＬＡの調整が簡単になるため、製造時間の短縮、製
造コストの低減、及び製品の品質向上、製品歩留まりの
向上という効果が得られる。As mentioned above, manufacturing processes and parts are eliminated, and SLA adjustment becomes easier, resulting in shorter manufacturing times, lower manufacturing costs, and improved product quality and product yield. It will be done.
また、筐体とＳＬＡの熱膨張率の違いにより、変形が起
きても、筐体とＳＬＡの間に隙間ｔがある為、筐体の基
準面ｇとＳ Ｌ Ａの基準面りは、安定的に密着され、
信頼性を向上させることができる。In addition, even if deformation occurs due to the difference in thermal expansion coefficient between the casing and SLA, there is a gap t between the casing and SLA, so the reference plane g of the casing and the reference plane of SLA will remain stable. in close contact with
Reliability can be improved.
第１図において、（Ａ）は本発明を実施した原稿読取装
置の上面図、（Ｂ）は（Ａ）のＸ−Ｙ断面図、（Ｃ）は
内部構造を示す（Ａ）のＷ−Ｚ断面図、（Ｄ）ばＳＬＡ
の端部詳細図である。
第２図は、本発明の他の実施例を示す部分断面図。
第３図（Ａ）は、従来のピント調整ネジを使用した原稿
読取装置の内部構造を示す側面断面図、（Ｂ）は正面断
面図。
第４図は、本発明の原稿読取装置を用いた情報処理装置
としてのファクシミリ装置の概略構造図。
１は短焦点結像素子アレイ（ＳＬＡ）、２は筐体、
３はカバーガラス、 ４は光センサー
５は原稿、 ６はＳＬＡ固定ネジ、７はピン
ト調整ネジ、
８は押え板
９はゴム
１０は仮ハネ
ρはＳＬＡの切削寸法、
ｆは原稿面（第１の基準面）、
ｇは筺体のピント調整基準面（第３の基準面）、
ｈはＳ Ｌ Ａのピント調整基準面（第２の基準面）、
ｔは筐体とＳＬＡの横方向の隙間、
ＨはＳＬＡの厚み、
ＴＣは原稿面とセンサーとの距離、In FIG. 1, (A) is a top view of a document reading device embodying the present invention, (B) is an X-Y sectional view of (A), and (C) is a W-Z view of (A) showing the internal structure. Cross-sectional view, (D) SLA
FIG. FIG. 2 is a partial sectional view showing another embodiment of the invention. FIG. 3(A) is a side sectional view showing the internal structure of a document reading device using a conventional focus adjustment screw, and FIG. 3(B) is a front sectional view. FIG. 4 is a schematic structural diagram of a facsimile device as an information processing device using the document reading device of the present invention. 1 is a short focus imaging element array (SLA), 2 is a housing, 3 is a cover glass, 4 is an optical sensor 5 is a document, 6 is an SLA fixing screw, 7 is a focus adjustment screw, 8 is a presser plate 9 is a rubber 10 is the temporary fly ρ is the cutting dimension of SLA, f is the document surface (first reference surface), g is the focus adjustment reference surface of the housing (third reference surface), and h is the focus adjustment reference surface of SLA (the third reference surface). 2 reference plane), t is the horizontal gap between the housing and the SLA, H is the thickness of the SLA, TC is the distance between the document surface and the sensor,
Claims (2)
焦点結像素子アレイを保持する保持部材と、原稿に接触
する第１の基準面を有し前記光センサーに対する前記原
稿の位置を決める為の原稿位置決め部材と、を一体的に
有する原稿読取装置において、 前記短焦点結像素子アレイの両側には、前記短焦点結像
素子アレイの光軸方向の２分の１の部分に、光軸と垂直
に交わる第２の基準面が設けられており、前記保持部材
には前記第１の基準面と前記光センサーとの距離の２分
の１の部分に第３の基準面が設けられており、前記第２
の基準面と前記第３の基準面とが接触していることを特
徴とする原稿読取装置。(1) An optical sensor, a short-focus imaging element array, a holding member for holding the short-focus imaging element array, and a first reference surface that contacts the original, and the position of the original with respect to the optical sensor is determined. In a document reading device that integrally includes a document positioning member for determining the position of the document, on both sides of the short focus imaging element array, in a half portion of the short focus imaging element array in the optical axis direction, A second reference plane is provided that intersects perpendicularly to the optical axis, and a third reference plane is provided on the holding member at a half of the distance between the first reference plane and the optical sensor. and the second
A document reading device characterized in that the reference surface and the third reference surface are in contact with each other.
記保持部材の第３の基準面との接触部分において、前記
短焦点結像素子アレイと前記保持部材とは、前記接触面
の横方向（接触面に平行な方向）に隙間を有することを
特徴とする請求項１に記載の原稿読取装置。（３）請求
項（１）に記載の原稿読取装置と、前記原稿を搬送する
為の搬送手段と、を有することを特徴とする情報処理装
置。(2) At the contact portion between the second reference surface of the short focus imaging element array and the third reference surface of the holding member, the short focus imaging element array and the holding member 2. The document reading device according to claim 1, further comprising a gap in the lateral direction (direction parallel to the contact surface). (3) An information processing device comprising the document reading device according to claim (1) and a conveying means for conveying the document.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23589890A JPH04117862A (en) | 1990-09-07 | 1990-09-07 | Original reader and information processor using it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23589890A JPH04117862A (en) | 1990-09-07 | 1990-09-07 | Original reader and information processor using it |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH04117862A true JPH04117862A (en) | 1992-04-17 |
Family
ID=16992876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP23589890A Pending JPH04117862A (en) | 1990-09-07 | 1990-09-07 | Original reader and information processor using it |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH04117862A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008170940A (en) * | 2006-12-29 | 2008-07-24 | Universal Scientific Industrial Co Ltd | Optical alignment method for optical module, configuration of optical module by the method, optical module assembling method and mounting method to optical machine |
-
1990
- 1990-09-07 JP JP23589890A patent/JPH04117862A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008170940A (en) * | 2006-12-29 | 2008-07-24 | Universal Scientific Industrial Co Ltd | Optical alignment method for optical module, configuration of optical module by the method, optical module assembling method and mounting method to optical machine |
| JP4562758B2 (en) * | 2006-12-29 | 2010-10-13 | 環隆電気股▲分▼有限公司 | Optical alignment method of optical module, configuration of optical module thereby, assembly method, and attachment method to optical machine |
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