JPH06350810A - Transmissive original scanning device - Google Patents

Transmissive original scanning device

Info

Publication number
JPH06350810A
JPH06350810A JP5138369A JP13836993A JPH06350810A JP H06350810 A JPH06350810 A JP H06350810A JP 5138369 A JP5138369 A JP 5138369A JP 13836993 A JP13836993 A JP 13836993A JP H06350810 A JPH06350810 A JP H06350810A
Authority
JP
Japan
Prior art keywords
original
light
glass plate
scanning
transparent
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.)
Granted
Application number
JP5138369A
Other languages
Japanese (ja)
Other versions
JP2555932B2 (en
Inventor
Toshiaki Kumakawa
俊明 熊川
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
Original Assignee
NEC Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by NEC Corp filed Critical NEC Corp
Priority to JP5138369A priority Critical patent/JP2555932B2/en
Publication of JPH06350810A publication Critical patent/JPH06350810A/en
Application granted granted Critical
Publication of JP2555932B2 publication Critical patent/JP2555932B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Abstract

PURPOSE:To provide the function of a light table observing an original placed on an original table. CONSTITUTION:An original table 4 provided with a transparent lower glass plate where the light transmissive origianl is placed and a transparent upper glass plate pressing the original, an auxiliary scan means moving the original table 4 in an auxiliary scan direction by a feed screw 6 driven and rotated by an auxiliary scan motor 5, a main scan means executing main scanning by a polygon mirror 8, a lens 9 and a loop back mirror 10, which rotate a laser beam from a laser tube 7, a photoelectric conversion means converting transmission light from the original at an optical fiber 11 and converting it into a read picture signal by a photoelectric conversion element (photomultiplier) 12, a means lighting a fluorescent lamp 14 fixed to a bed 16 by conducting a switch 13 when the original table 4 is at the start position of auxiliary scanning, and a diffusion plate 15 similar to obscure glass irradiating light which is diffused from the fluorescent lamp 14 and averaged from the direction of the lower glass plate are provided.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】本発明は透過原稿走査装置に関
し、特に光を透過する原稿(フィルム)の画像から読み
取った画像信号を出力する透過原稿走査装置に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a transparent original scanning device, and more particularly to a transparent original scanning device for outputting an image signal read from an image of an original (film) which transmits light.

【0002】[0002]

【従来の技術】新聞紙面を読み取って送信する装置に使
用される透過原稿走査装置は、フィルムの原稿が載置さ
れる透明な下面ガラス板と原稿を押える透明な上面ガラ
ス板とを有する原稿テーブルと、この原稿テーブルを副
走査方向に移動させる副走査手段と、光ビームを原稿に
照射し主走査させる主走査手段と、原稿からの透過光を
読み取り画像信号として出力する光電変換手段とを備え
て構成されている。
2. Description of the Related Art A transparent original scanning device used in an apparatus for reading and transmitting a newspaper surface is an original table having a transparent lower glass plate on which a film original is placed and a transparent upper glass plate for pressing the original. And a sub-scanning unit for moving the document table in the sub-scanning direction, a main scanning unit for irradiating the document with a light beam for main scanning, and a photoelectric conversion unit for outputting the light transmitted from the document as an image signal. Is configured.

【0003】[0003]

【発明が解決しようとする課題】この従来の透過原稿走
査装置は、原稿を送信する前に扱者が装置とは別の場所
に設置されているライトテーブル(照明光を照射しフィ
ルムの原稿等を観察する台)により、原稿の濃度、走査
線密度、有効画面幅等の設定を行ったのち、装置の原稿
テーブルに原稿をセットするので手間がかかり、又装置
の近くにライトテーブルを置くための場所が必要であっ
た。
SUMMARY OF THE INVENTION This conventional transparent original scanning device is a light table (such as a film original which is illuminated by illuminating light) installed by a user at a place different from the device before the original is transmitted. After setting the density of the original, scanning line density, effective screen width, etc. on the table for observing the original, it takes time and effort to set the original on the original table of the device, and to place the light table near the device. Needed a place.

【0004】[0004]

【課題を解決するための手段】本発明の透過原稿走査装
置は、光を透過する原稿が載置される透明な下面ガラス
板と前記原稿を押える透明な上面ガラス板とを有する原
稿テーブルと、この原稿テーブルを副走査方向に移動さ
せる副走査手段と、光ビームを前記原稿に照射し主走査
させる主走査手段と、前記原稿からの透過光を読み取り
画像信号として出力する光電変換手段と、前記原稿テー
ブルが副走査の開始位置にあるとき前記下面ガラス板の
下方の基盤に固定されている光源を点灯させる手段とを
備える。
A transparent original scanning apparatus according to the present invention includes an original table having a transparent lower glass plate on which an original transmitting light is placed and a transparent upper glass plate for pressing the original. Sub scanning means for moving the original table in the sub scanning direction, main scanning means for irradiating the original with a light beam to perform main scanning, photoelectric conversion means for outputting transmitted light from the original as an image signal, and Means for turning on a light source fixed to a base below the lower glass plate when the original table is at the sub-scanning start position.

【0005】また、前記基盤に固定された拡散板を備
え、この拡散板が前記光源からの光を拡散して前記下面
ガラス板を照射する構成を採ることができる。
Further, it is possible to adopt a structure in which a diffusion plate fixed to the base is provided, and the diffusion plate diffuses the light from the light source to irradiate the lower glass plate.

【0006】また、光を拡散する拡散部及び光を透過す
る透明部が連結されたフィルム状のシートと、このシー
トが巻かれるローラを回転させる巻取機構とを備え、こ
の巻取機構が取付けられた前記原稿テーブルが前記副走
査の開始位置にあるとき前記下面ガラス板に隣接して前
記拡散部が配置され前記主走査のとき前記下面ガラス板
に隣接して前記透明部が配置される構成を採ることがで
きる。
Further, a film-like sheet to which a diffusing portion for diffusing light and a transparent portion for transmitting light are connected, and a winding mechanism for rotating a roller around which the sheet is wound, are attached to the winding mechanism. A configuration in which the diffusion portion is arranged adjacent to the lower surface glass plate when the document table is positioned at the start position of the sub scanning, and the transparent portion is arranged adjacent to the lower surface glass plate during the main scanning. Can be taken.

【0007】[0007]

【実施例】次に本発明について図面を参照して説明す
る。
The present invention will be described below with reference to the drawings.

【0008】図1は本発明の第1及び第2の実施例の斜
視図、図2は第1の実施例の原稿テーブルの詳細な斜視
図、図3は第1の実施例の動作説明のための正面図
(a)及び側面図(b)、図4は第2の実施例の原稿テ
ーブル(a)及びシート巻取機構(b)の斜視図、図5
は第2の実施例の動作説明のための平面図(a),
(b)及び(c)である。
FIG. 1 is a perspective view of the first and second embodiments of the present invention, FIG. 2 is a detailed perspective view of a document table of the first embodiment, and FIG. 3 is a description of the operation of the first embodiment. 5 is a front view (a) and a side view (b), and FIG. 4 is a perspective view of the document table (a) and the sheet winding mechanism (b) of the second embodiment.
Is a plan view (a) for explaining the operation of the second embodiment,
(B) and (c).

【0009】図1,図2及び図3に示す第1の実施例の
透過原稿走査装置は、フィルムの原稿1が載置される透
明な下面ガラス板2と原稿1を押える透明な上面ガラス
板3とを有する原稿テーブル4a(図1中の4に対応)
と、副走査モータ5で駆動されて回転する送ねじ6によ
り原稿テーブル4aを副走査方向に移動させる副走査手
段と、レーザ管7からのレーザビームを回転するポリゴ
ンミラー8、レンズ9及び折返ミラー10により主走査
させる主走査手段と、原稿1からの透過光を光ファイバ
11で集光して、光電変換素子(フオトマル)12で読
み取り画像信号に変換する光電変換手段と、原稿テーブ
ル4aが副走査の開始位置にあるときスイッチ13が導
通しベッド16に固定されている蛍光灯14を点灯させ
る手段と、蛍光灯14からの光が拡散され平均化させた
光を下面ガラス板2の方向から照射する曇りガラスと同
様の拡散板15aとを備える。
The transparent original scanning device of the first embodiment shown in FIGS. 1, 2 and 3 is a transparent lower glass plate 2 on which a film original 1 is placed and a transparent upper glass plate for pressing the original 1. Document table 4a having 3 and 3 (corresponding to 4 in FIG. 1)
And a sub-scanning means for moving the document table 4a in the sub-scanning direction by a feed screw 6 which is driven by a sub-scanning motor 5 to rotate, and a polygon mirror 8, a lens 9 and a folding mirror for rotating a laser beam from a laser tube 7. The main scanning unit 10 for main scanning, the photoelectric conversion unit for condensing the transmitted light from the original 1 by the optical fiber 11 and converting it into an image signal read by the photoelectric conversion element (photomal) 12, and the original table 4a are sub-displays. From the direction of the lower glass plate 2, the means for turning on the fluorescent lamp 14 fixed to the bed 16 by turning on the switch 13 at the scanning start position and the light diffused and averaged from the fluorescent lamp 14 It is provided with a diffuser plate 15a similar to frosted glass for irradiation.

【0010】この構成により、原稿を送信するとき、原
稿テーブル4aが副走査の開始位置でスイッチ13を導
通させて蛍光灯14が点灯し、蛍光灯14からの照明光
が拡散板15aを介して原稿テーブル4aに載置されて
いる原稿1を照射することができるので、扱者は原稿を
見易くした状態で観察することができる。
With this structure, when the original is transmitted, the original table 4a turns on the switch 13 at the sub-scanning start position to turn on the fluorescent lamp 14, and the illumination light from the fluorescent lamp 14 is transmitted through the diffusion plate 15a. Since the document 1 placed on the document table 4a can be illuminated, the operator can observe the document while making it easy to see.

【0011】原稿を読み取るときは、送ねじ6が回転し
て係合している原稿テーブル4aが副走査方向に移動し
てスイッチ13が非導通になり、蛍光灯14が消灯され
る。蛍光灯14及び拡散板15aはベッド16に固定さ
れているので原稿テーブル4aのみが主走査位置に移動
する。
When reading a document, the document table 4a engaged by the rotation of the feed screw 6 moves in the sub-scanning direction, the switch 13 becomes non-conductive, and the fluorescent lamp 14 is turned off. Since the fluorescent lamp 14 and the diffusion plate 15a are fixed to the bed 16, only the original table 4a moves to the main scanning position.

【0012】次に第2の実施例について図1,図4及び
図5を参照して説明する。図1における副走査手段、主
走査手段及び光電変換手段は第1の実施例と同じなので
説明を省略する。
Next, a second embodiment will be described with reference to FIGS. 1, 4 and 5. The sub-scanning means, main-scanning means, and photoelectric conversion means in FIG.

【0013】図4(a),(b)及び図5(a),
(b),(c)において、原稿テーブル4bには、光を
拡散する拡散部及び光を透過する透明部が連結されたフ
ィルム状のシート15bと、このシート15bが巻かれ
る巻取ローラ18,19を回転させる巻取モータ17、
プーリ20、ベルト21,22の巻取機構が取付けられ
る。原稿テーブル4bが副走査の開始位置にあるとき下
面ガラス板2の下面に隣接してシート15bの拡散部が
配置され主走査及び副走査のとき下面ガラス板2に隣接
してシート15bの透明部が配置される。
FIGS. 4 (a), 4 (b) and 5 (a),
In (b) and (c), the document table 4b has a film-like sheet 15b to which a light-diffusing portion and a light-transmitting transparent portion are connected, and a winding roller 18 around which the sheet 15b is wound. Winding motor 17 for rotating 19,
A winding mechanism for the pulley 20 and the belts 21, 22 is attached. When the document table 4b is at the sub-scanning start position, the diffusion portion of the sheet 15b is arranged adjacent to the lower surface of the lower surface glass plate 2, and the transparent portion of the sheet 15b is adjacent to the lower surface glass plate 2 during main scanning and sub-scanning. Are placed.

【0014】この構成により、原稿を送信するとき、原
稿テーブル4bが副走査の開始位置にあるとき、スイッ
チ13の導通で蛍光灯14が点灯し、かつ巻取モータ1
7が正方向に回転して拡散シート15bを図5(a)の
拡散状態にして原稿1を観察することができる。
With this configuration, when the document table 4b is at the sub-scanning start position when the document is transmitted, the fluorescent lamp 14 is turned on by the conduction of the switch 13, and the take-up motor 1 is used.
7 rotates in the forward direction to make the diffusion sheet 15b in the diffusion state shown in FIG.

【0015】原稿を読み取るときは、上面ガラス板3で
原稿1を押え、送ねじ6が回転して原稿テーブル4bが
副走査方向に移動してスイッチ13が非導通になると、
蛍光灯14が消灯し、かつ巻取モータ17が逆方向に回
転してシート15bを図5(a)の拡散状態から図5
(b)の中間状態を経て図5(c)の透明状態になる。
When reading a document, when the document 1 is pressed by the upper glass plate 3, the feed screw 6 rotates, the document table 4b moves in the sub-scanning direction, and the switch 13 becomes non-conductive.
The fluorescent lamp 14 is turned off, and the take-up motor 17 rotates in the opposite direction to move the sheet 15b from the diffusion state of FIG.
After the intermediate state of (b), the transparent state of FIG. 5 (c) is obtained.

【0016】この状態で副走査及び主走査が行われ原稿
テーブル4bにセットされている原稿1が読み取られ
る。
In this state, the sub-scanning and the main-scanning are performed, and the document 1 set on the document table 4b is read.

【0017】[0017]

【発明の効果】以上説明したように本発明は、原稿テー
ブルが副走査の開始位置にあるとき光源を点灯させ原稿
テーブルに載置の原稿を照射することにより、原稿を観
察するライトテーブルの機能を持たせることができる。
As described above, according to the present invention, when the document table is at the sub-scanning start position, the light source is turned on to illuminate the document placed on the document table, thereby observing the document. Can have

【0018】また光源からの光を拡散させて原稿を照射
することにより、ライトテーブル上の原稿を見易くする
ことができる。
Further, by illuminating the original by diffusing the light from the light source, the original on the light table can be easily seen.

【図面の簡単な説明】[Brief description of drawings]

【図1】本発明の第1及び第2の実施例の斜視図であ
る。
FIG. 1 is a perspective view of first and second embodiments of the present invention.

【図2】第1の実施例の原稿テーブルの斜視図である。FIG. 2 is a perspective view of a document table according to the first embodiment.

【図3】第1の実施例の動作説明のための正面図(a)
及び側面図(b)である。
FIG. 3 is a front view for explaining the operation of the first embodiment (a).
It is a side view (b).

【図4】第2の実施例の原稿テーブル(a)及びシート
巻取機構(b)の斜視図である。
FIG. 4 is a perspective view of a document table (a) and a sheet winding mechanism (b) of a second embodiment.

【図5】第2の実施例の動作説明のための平面図
(a),(b)及び(c)である。
FIG. 5 is plan views (a), (b) and (c) for explaining the operation of the second embodiment.

【符号の説明】[Explanation of symbols]

1 原稿 2 下面ガラス板 3 上面ガラス板 4 原稿テーブル 5 副走査モータ 6 送ねじ 7 レーザ管 8 ポリゴンミラー 9 レンズ 10 折返ミラー 11 光ファイバ 12 フォトマル 13 スイッチ 14 蛍光灯 15 拡散板 16 ベッド 17 巻取モータ 18,19 巻取ローラ 20 プーリ 21,22 ベルト 1 Original 2 Lower glass plate 3 Upper glass plate 4 Original table 5 Sub-scanning motor 6 Feed screw 7 Laser tube 8 Polygon mirror 9 Lens 10 Folding mirror 11 Optical fiber 12 Photomul 13 Switch 14 Fluorescent lamp 15 Diffuser 16 Bed 17 Roll up Motor 18,19 Winding roller 20 Pulley 21,22 Belt

Claims (3)

【特許請求の範囲】[Claims] 【請求項1】 光を透過する原稿が載置される透明な下
面ガラス板と前記原稿を押える透明な上面ガラス板とを
有する原稿テーブルと、この原稿テーブルを副走査方向
に移動させる副走査手段と、光ビームを前記原稿に照射
し主走査させる主走査手段と、前記原稿からの透過光を
読み取り画像信号として出力する光電変換手段と、前記
原稿テーブルが副走査の開始位置にあるとき前記下面ガ
ラス板の下方の基盤に固定されている光源を点灯させる
手段とを備えることを特徴とする透過原稿走査装置。
1. A document table having a transparent lower glass plate on which a light-transmitting document is placed and a transparent upper glass plate for pressing the document, and a sub-scanning means for moving the document table in the sub-scanning direction. A main scanning means for irradiating the original with a light beam for main scanning, a photoelectric conversion means for reading the transmitted light from the original as an image signal, and the lower surface when the original table is at the sub-scanning start position. And a means for turning on a light source fixed to a base below the glass plate.
【請求項2】 前記基盤に固定された拡散板を備え、こ
の拡散板が前記光源からの光を拡散して前記下面ガラス
板を照射することを特徴とする請求項1記載の透過原稿
走査装置。
2. The transparent original scanning device according to claim 1, further comprising a diffusion plate fixed to the base, the diffusion plate diffusing light from the light source to illuminate the lower glass plate. .
【請求項3】 光を拡散する拡散部及び光を透過する透
明部が連結されたフィルム状のシートと、このシートが
巻かれるローラを回転させる巻取機構とを備え、この巻
取機構が取付けられた前記原稿テーブルが前記副走査の
開始位置にあるとき前記下面ガラス板に隣接して前記拡
散部が配置され前記主走査のとき前記下面ガラス板に隣
接して前記透明部が配置されることを特徴とする請求項
1記載の透過原稿走査装置。
3. A film-like sheet, to which a diffusing portion for diffusing light and a transparent portion for transmitting light are connected, and a winding mechanism for rotating a roller around which the sheet is wound, and the winding mechanism is attached. The diffusion portion is arranged adjacent to the lower surface glass plate when the original table is positioned at the start position of the sub scanning, and the transparent portion is arranged adjacent to the lower surface glass plate during the main scanning. The transparent original scanning device according to claim 1.
JP5138369A 1993-06-10 1993-06-10 Transparent original scanning device Expired - Fee Related JP2555932B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5138369A JP2555932B2 (en) 1993-06-10 1993-06-10 Transparent original scanning device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5138369A JP2555932B2 (en) 1993-06-10 1993-06-10 Transparent original scanning device

Publications (2)

Publication Number Publication Date
JPH06350810A true JPH06350810A (en) 1994-12-22
JP2555932B2 JP2555932B2 (en) 1996-11-20

Family

ID=15220330

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5138369A Expired - Fee Related JP2555932B2 (en) 1993-06-10 1993-06-10 Transparent original scanning device

Country Status (1)

Country Link
JP (1) JP2555932B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0873004A2 (en) * 1997-04-15 1998-10-21 Fujifilm Electronic Imaging Limited Image viewing apparatus

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03167961A (en) * 1989-11-27 1991-07-19 Ricoh Co Ltd Original reader
JPH03258075A (en) * 1990-03-08 1991-11-18 Mitsubishi Electric Corp Original reader

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03167961A (en) * 1989-11-27 1991-07-19 Ricoh Co Ltd Original reader
JPH03258075A (en) * 1990-03-08 1991-11-18 Mitsubishi Electric Corp Original reader

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0873004A2 (en) * 1997-04-15 1998-10-21 Fujifilm Electronic Imaging Limited Image viewing apparatus
EP0873004A3 (en) * 1997-04-15 1999-03-03 Fujifilm Electronic Imaging Limited Image viewing apparatus

Also Published As

Publication number Publication date
JP2555932B2 (en) 1996-11-20

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