JPS5581372A - Shield device for illuminating light for exposure of copying machine - Google Patents

Shield device for illuminating light for exposure of copying machine

Info

Publication number
JPS5581372A
JPS5581372A JP15509478A JP15509478A JPS5581372A JP S5581372 A JPS5581372 A JP S5581372A JP 15509478 A JP15509478 A JP 15509478A JP 15509478 A JP15509478 A JP 15509478A JP S5581372 A JPS5581372 A JP S5581372A
Authority
JP
Japan
Prior art keywords
exposure
slits
shield plate
illuminating light
movable shield
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
JP15509478A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6232786B2 (Direct
Inventor
Yuichi Aoyama
Norio Kajiwara
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.)
Ricoh Co Ltd
Original Assignee
Ricoh 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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP15509478A priority Critical patent/JPS5581372A/ja
Publication of JPS5581372A publication Critical patent/JPS5581372A/ja
Publication of JPS6232786B2 publication Critical patent/JPS6232786B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Optical Systems Of Projection Type Copiers (AREA)
  • Light Sources And Details Of Projection-Printing Devices (AREA)
JP15509478A 1978-12-14 1978-12-14 Shield device for illuminating light for exposure of copying machine Granted JPS5581372A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15509478A JPS5581372A (en) 1978-12-14 1978-12-14 Shield device for illuminating light for exposure of copying machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15509478A JPS5581372A (en) 1978-12-14 1978-12-14 Shield device for illuminating light for exposure of copying machine

Publications (2)

Publication Number Publication Date
JPS5581372A true JPS5581372A (en) 1980-06-19
JPS6232786B2 JPS6232786B2 (Direct) 1987-07-16

Family

ID=15598497

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15509478A Granted JPS5581372A (en) 1978-12-14 1978-12-14 Shield device for illuminating light for exposure of copying machine

Country Status (1)

Country Link
JP (1) JPS5581372A (Direct)

Also Published As

Publication number Publication date
JPS6232786B2 (Direct) 1987-07-16

Similar Documents

Publication Publication Date Title
SE408972B (sv) Apparat foer bearbetning av en tryckplaat
BR7700425A (pt) Maquina reprodutora de documentos possuindo uma modalidade duplex de copia
JPS545737A (en) Apparatus for copying original on photoconductive surface of printing plate
JPS51120804A (en) Plate for lithographic printing
JPS5217901A (en) Developer for lithographic press plate
JPS5395039A (en) Both side copying method
JPS5377703A (en) Device for treating printing plate
JPS5581372A (en) Shield device for illuminating light for exposure of copying machine
FI803571A7 (fi) Fleksografinen hihnapainokone.
FR2329449A1 (fr) Perfectionnements aux duplicateurs a stencils
JPS5344203A (en) Lithographic press plate for dry printing
GB1554784A (en) Document platen cover for photocopy machine
GB1539468A (en) Enlarger head lamphouse for printing variable contrast photographic material
JPS53135703A (en) Resist material for printing xxray lithographic plate
GB2006464A (en) Improved Electrophotographic Plate
JPS539604A (en) Material for screen printing plate
GB1481148A (en) Copying or duplicating apparatus
JPS53145702A (en) Photosensitive lithographic printing plate material
JPS5460002A (en) Developer for photosensitive lithographi printing plate
JPS5323706A (en) Photographic material for lithographic press plate
JPS5333620A (en) Scanning exposure type copying machine with variable magnification mechanism
JPS5333143A (en) Developer for printing photographic original plate
JPS53108284A (en) Photomask original plate
JPS5382503A (en) Photosensitive resin composition for flexographic printing plate
JPS5410725A (en) Exposure scanning device for copying machine