JPS5694871A - Sample supproting device of picture drum for optical reader - Google Patents

Sample supproting device of picture drum for optical reader

Info

Publication number
JPS5694871A
JPS5694871A JP17167779A JP17167779A JPS5694871A JP S5694871 A JPS5694871 A JP S5694871A JP 17167779 A JP17167779 A JP 17167779A JP 17167779 A JP17167779 A JP 17167779A JP S5694871 A JPS5694871 A JP S5694871A
Authority
JP
Japan
Prior art keywords
sample
drum
sheet
opening part
base sheet
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
JP17167779A
Other languages
Japanese (ja)
Inventor
Moritomo Matsuyama
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co Ltd
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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP17167779A priority Critical patent/JPS5694871A/en
Publication of JPS5694871A publication Critical patent/JPS5694871A/en
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
    • H04N1/08—Mechanisms for mounting or holding the sheet around the drum

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Scanning Arrangements (AREA)

Abstract

PURPOSE:To ensure a highly accurate curved holding even for a small-sized sample, by winding the base sheet larger than the opening part of a drum round the opening part and then providing a light tansmitting cover sheet over the outer surface of the base sheet as if it held the sample between. CONSTITUTION:The sample 6 is pasted on the outer surface of the base sheet 32 with the base sheet 32 wound round the outer circumference surface of the picture drum 30 plus the cover sheet 40 opened. Then the sheet 40 is covered over the outer side of the sample 6, and the hook metal fittings 45 is hooked to the volt 50. Thus the sample 6 is held between the both sheets. In this case, the sample 6 has a circular circumference surface with no unevenness since the sheet 32 forms a circular circumference surface along the cylindrical shape of the drum 30. And the paper surface becomes right-angles correctly to the optical axis of the optical system. Furthermore the both sheets cover the opening part more largely than the size of the drum opening part 31, and accordingly the sample having a smaller size than the part 31 is also held and curved into a circular circumference surface.
JP17167779A 1979-12-27 1979-12-27 Sample supproting device of picture drum for optical reader Pending JPS5694871A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17167779A JPS5694871A (en) 1979-12-27 1979-12-27 Sample supproting device of picture drum for optical reader

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17167779A JPS5694871A (en) 1979-12-27 1979-12-27 Sample supproting device of picture drum for optical reader

Publications (1)

Publication Number Publication Date
JPS5694871A true JPS5694871A (en) 1981-07-31

Family

ID=15927643

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17167779A Pending JPS5694871A (en) 1979-12-27 1979-12-27 Sample supproting device of picture drum for optical reader

Country Status (1)

Country Link
JP (1) JPS5694871A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5875962A (en) * 1981-10-31 1983-05-07 Toshiba Corp Drum scanner
EP0576185A2 (en) * 1992-06-16 1993-12-29 A.B. Dick Company Exposure drum mask

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5875962A (en) * 1981-10-31 1983-05-07 Toshiba Corp Drum scanner
JPH0374065B2 (en) * 1981-10-31 1991-11-25
EP0576185A2 (en) * 1992-06-16 1993-12-29 A.B. Dick Company Exposure drum mask
EP0576185A3 (en) * 1992-06-16 1994-02-02 A.B. Dick Company Exposure drum mask

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