JPS5729457A - Method and device for electronic platemaking - Google Patents

Method and device for electronic platemaking

Info

Publication number
JPS5729457A
JPS5729457A JP10448580A JP10448580A JPS5729457A JP S5729457 A JPS5729457 A JP S5729457A JP 10448580 A JP10448580 A JP 10448580A JP 10448580 A JP10448580 A JP 10448580A JP S5729457 A JPS5729457 A JP S5729457A
Authority
JP
Japan
Prior art keywords
density
signal
original
zone
grade difference
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
JP10448580A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0424225B2 (enrdf_load_stackoverflow
Inventor
Masayuki Takei
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.)
Toppan Inc
Original Assignee
Toppan Printing 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 Toppan Printing Co Ltd filed Critical Toppan Printing Co Ltd
Priority to JP10448580A priority Critical patent/JPS5729457A/ja
Priority to US06/285,916 priority patent/US4422101A/en
Priority to DE19813129649 priority patent/DE3129649A1/de
Publication of JPS5729457A publication Critical patent/JPS5729457A/ja
Publication of JPH0424225B2 publication Critical patent/JPH0424225B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Manufacture Or Reproduction Of Printing Formes (AREA)
  • Preparing Plates And Mask In Photomechanical Process (AREA)
JP10448580A 1980-07-30 1980-07-30 Method and device for electronic platemaking Granted JPS5729457A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP10448580A JPS5729457A (en) 1980-07-30 1980-07-30 Method and device for electronic platemaking
US06/285,916 US4422101A (en) 1980-07-30 1981-07-23 Electronic cylinder making method
DE19813129649 DE3129649A1 (de) 1980-07-30 1981-07-28 Elektronisches zylinder-herstellungsverfahren

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10448580A JPS5729457A (en) 1980-07-30 1980-07-30 Method and device for electronic platemaking

Publications (2)

Publication Number Publication Date
JPS5729457A true JPS5729457A (en) 1982-02-17
JPH0424225B2 JPH0424225B2 (enrdf_load_stackoverflow) 1992-04-24

Family

ID=14381851

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10448580A Granted JPS5729457A (en) 1980-07-30 1980-07-30 Method and device for electronic platemaking

Country Status (1)

Country Link
JP (1) JPS5729457A (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS638743A (ja) * 1986-06-30 1988-01-14 Dainippon Printing Co Ltd エンドレス版用フイルム原版の作成方法
JPS638744A (ja) * 1986-06-30 1988-01-14 Dainippon Printing Co Ltd エンドレス版用フイルム原版の作成方法
US5481366A (en) * 1992-09-14 1996-01-02 Dainippon Screen Mfg. Co., Ltd. Method of and apparatus for producing a unit pattern on a printing cylinder for printing an endless pattern

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS638743A (ja) * 1986-06-30 1988-01-14 Dainippon Printing Co Ltd エンドレス版用フイルム原版の作成方法
JPS638744A (ja) * 1986-06-30 1988-01-14 Dainippon Printing Co Ltd エンドレス版用フイルム原版の作成方法
US5481366A (en) * 1992-09-14 1996-01-02 Dainippon Screen Mfg. Co., Ltd. Method of and apparatus for producing a unit pattern on a printing cylinder for printing an endless pattern

Also Published As

Publication number Publication date
JPH0424225B2 (enrdf_load_stackoverflow) 1992-04-24

Similar Documents

Publication Publication Date Title
DE3274407D1 (en) Method and circuit for contrast enhancement
JPS5689173A (en) Vertical aperture correcting circuit
JPS57109479A (en) Picture quality adjusting circuit
JPS537241A (en) Transfer type copying machine for electrophotography
JPS5729457A (en) Method and device for electronic platemaking
JPS53105230A (en) Optimum maintaining method of electrophotographical duplication images
JPS5347832A (en) Method for controlling surface potential of photosensitive body in electronic copying machine
JPS5418759A (en) Optical scanner
JPS53118917A (en) Correction method for digital signal
JPS52104017A (en) Recorded picture correction method
JPS57128330A (en) Printing process for color print
JPS5321924A (en) Correspondence between 35 mm film images and frame numbers
JPS5292436A (en) Optical letter scanning unit
JPS5390715A (en) Display system for automatic destination distribution of manuscript
JPS5288010A (en) Recording level setting apparatus for fm signal
JPS53149032A (en) Zerography
JPS5241533A (en) Masking exposure method in scanning exposure system
JPS5282129A (en) Automatic printing unit for record sheet
JPS5383414A (en) Band conversion system for picture signal
JPS52100813A (en) Facsimile system
JPS53119635A (en) Correcting method for digital signal
JPS5326625A (en) Printer for bankbook, etc.
JPS5418749A (en) Automatic printer
JPS52126124A (en) Deflection device
JPS5566020A (en) Printing system