JPS60115248U - 光量調整装置 - Google Patents

光量調整装置

Info

Publication number
JPS60115248U
JPS60115248U JP1984002929U JP292984U JPS60115248U JP S60115248 U JPS60115248 U JP S60115248U JP 1984002929 U JP1984002929 U JP 1984002929U JP 292984 U JP292984 U JP 292984U JP S60115248 U JPS60115248 U JP S60115248U
Authority
JP
Japan
Prior art keywords
light source
document
light amount
shutter means
back illumination
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
Application number
JP1984002929U
Other languages
English (en)
Inventor
多田　博一
隆 大原
昌秀 池田
Original Assignee
大日本スクリ−ン製造株式会社
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 大日本スクリ−ン製造株式会社 filed Critical 大日本スクリ−ン製造株式会社
Priority to JP1984002929U priority Critical patent/JPS60115248U/ja
Priority to DE19843443583 priority patent/DE3443583A1/de
Priority to GB08500324A priority patent/GB2152685B/en
Publication of JPS60115248U publication Critical patent/JPS60115248U/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
    • H04N1/06—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using cylindrical picture-bearing surfaces, i.e. scanning a main-scanning line substantially perpendicular to the axis and lying in a curved cylindrical surface
    • H04N1/0607—Scanning a concave surface, e.g. with internal drum type scanners
    • H04N1/0621—Scanning a concave surface, e.g. with internal drum type scanners using a picture-bearing surface stationary in the main-scanning direction
    • H04N1/0635—Scanning a concave surface, e.g. with internal drum type scanners using a picture-bearing surface stationary in the main-scanning direction using oscillating or rotating mirrors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/024—Details of scanning heads ; Means for illuminating the original
    • H04N1/028—Details of scanning heads ; Means for illuminating the original for picture information pick-up
    • H04N1/02815—Means for illuminating the original, not specific to a particular type of pick-up head
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
    • H04N1/06—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using cylindrical picture-bearing surfaces, i.e. scanning a main-scanning line substantially perpendicular to the axis and lying in a curved cylindrical surface
    • H04N1/0657—Scanning a transparent surface, e.g. reading a transparency original

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Light Sources And Details Of Projection-Printing Devices (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。

Description

【図面の簡単な説明】
第１図は従来例の要部拡大図、第２図は本考案の実施例
の断面図、第３図は第２図の一部切断平面図、第４図は
説明図、 ２・・・原稿シリンダ、６・・・原稿、９・・・バック
照明ランプ、１９・・・シャッタ、２１・・・傾斜縁。

Claims (4)

    【実用新案登録請求の範囲】
  1. （１）透明の原稿シリンダ上に装着された原稿を表面か
    ら光照射する原稿走査用光源と、前記原稿の裏面からバ
    ック照明するバック照面用光源と、前記バック照明用光
    源の前方に配設した、・傾斜縁を有するシャッタ手段と
    、該シャッタ手段を前記バック照明用光源の前方で移動
    せしめる移動手段とを備えてなり、前記移動手段を操作
    して前記シャッタ手段により原稿裏面へのノくツク照明
    用の照射光量を調整するようにしたこ′　　　とを特徴
    とする反射型画像走査記録装置の光量調整装置。
  2. （２）バック照明用光源がｙｚｃＪゲンランプである実
    用新案登録請求の範囲第１項記載の光量調整装置。
  3. （３）移動手段は、その一端がシャッタ手段に固定され
    るとともに他端が手動操作用レバーであり、その両端の
    間で軸支されてなる実用新案登録請求の範囲第１項記載
    の光量調整装置。
  4. （４）ヒャツタ手段は、その移動方向に彎曲した板状体
    である実用新案登録請求の範囲第１項または第３項記載
    の光量調整装置。
JP1984002929U 1984-01-12 1984-01-12 光量調整装置 Pending JPS60115248U (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP1984002929U JPS60115248U (ja) 1984-01-12 1984-01-12 光量調整装置
DE19843443583 DE3443583A1 (de) 1984-01-12 1984-11-29 Bildabtast- und -aufzeichnungssystem
GB08500324A GB2152685B (en) 1984-01-12 1985-01-07 Image scanning and recording

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1984002929U JPS60115248U (ja) 1984-01-12 1984-01-12 光量調整装置

Publications (1)

Publication Number Publication Date
JPS60115248U true JPS60115248U (ja) 1985-08-03

Family

ID=11543030

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1984002929U Pending JPS60115248U (ja) 1984-01-12 1984-01-12 光量調整装置

Country Status (3)

Country Link
JP (1) JPS60115248U (ja)
DE (1) DE3443583A1 (ja)
GB (1) GB2152685B (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4821332A (en) * 1987-02-20 1989-04-11 Banctec Inc. Method and apparatus for image capture of information on documents
US4788600A (en) * 1987-04-15 1988-11-29 Eastman Kodak Company Video apparatus for generating an adjustable contrast video signal from a photographic print

Also Published As

Publication number Publication date
DE3443583A1 (de) 1985-07-18
GB2152685A (en) 1985-08-07
GB8500324D0 (en) 1985-02-13
GB2152685B (en) 1987-07-08

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