EP0556627A3 - - Google Patents

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Publication number
EP0556627A3
EP0556627A3 EP93101532A EP93101532A EP0556627A3 EP 0556627 A3 EP0556627 A3 EP 0556627A3 EP 93101532 A EP93101532 A EP 93101532A EP 93101532 A EP93101532 A EP 93101532A EP 0556627 A3 EP0556627 A3 EP 0556627A3
Authority
EP
European Patent Office
Prior art keywords
zone
circuit
threshold value
value switch
area matrix
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
EP93101532A
Other languages
German (de)
Other versions
EP0556627A2 (en
EP0556627B1 (en
Inventor
Rainer Buschulte
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.)
Heidelberger Druckmaschinen AG
Original Assignee
Heidelberger Druckmaschinen AG
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 Heidelberger Druckmaschinen AG filed Critical Heidelberger Druckmaschinen AG
Publication of EP0556627A2 publication Critical patent/EP0556627A2/en
Publication of EP0556627A3 publication Critical patent/EP0556627A3/de
Application granted granted Critical
Publication of EP0556627B1 publication Critical patent/EP0556627B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41C—PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
    • B41C1/00—Forme preparation
    • B41C1/10—Forme preparation for lithographic printing; Master sheets for transferring a lithographic image to the forme
    • B41C1/1058—Forme preparation for lithographic printing; Master sheets for transferring a lithographic image to the forme by providing a magnetic pattern, a ferroelectric pattern or a semiconductive pattern, e.g. by electrophotography

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacture Or Reproduction Of Printing Formes (AREA)
  • Fax Reproducing Arrangements (AREA)
  • Printing Methods (AREA)
  • Structure Of Printed Boards (AREA)
  • Heat Sensitive Colour Forming Recording (AREA)
  • Thin Film Transistor (AREA)
  • Semiconductor Integrated Circuits (AREA)

Abstract

The invention relates to a circuit for a reversible image structure of an area matrix of a printing forme of a printer, an electrical circuit being assigned to each zone of the area matrix, which zone can be activated or cleared by repeated actuation. There is provision for each circuit (21) to have at least one threshold value switch (23, first threshold value switch) which changes its switching state by selective actuation and, as a result, activates or clears the associated zone (3). <IMAGE>
EP93101532A 1992-02-21 1993-02-02 Circuit for reversible image forming on a printing form in a printing machine Expired - Lifetime EP0556627B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4205304 1992-02-21
DE4205304A DE4205304A1 (en) 1992-02-21 1992-02-21 CIRCUIT ARRANGEMENT FOR A REVERSIBLE IMAGE STRUCTURE OF A PRINTING FORM OF A PRINTING MACHINE

Publications (3)

Publication Number Publication Date
EP0556627A2 EP0556627A2 (en) 1993-08-25
EP0556627A3 true EP0556627A3 (en) 1995-03-29
EP0556627B1 EP0556627B1 (en) 1998-11-25

Family

ID=6452261

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93101532A Expired - Lifetime EP0556627B1 (en) 1992-02-21 1993-02-02 Circuit for reversible image forming on a printing form in a printing machine

Country Status (4)

Country Link
US (1) US5911176A (en)
EP (1) EP0556627B1 (en)
AT (1) ATE173672T1 (en)
DE (2) DE4205304A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19508254C5 (en) * 1994-04-15 2014-02-13 Eastman Kodak Co. Method for transporting individual sheets
EP1082224B1 (en) * 1998-10-10 2004-02-11 Heidelberger Druckmaschinen Aktiengesellschaft Printing mould and method for modifying its wetting characteristics

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0367048A2 (en) * 1988-10-29 1990-05-09 M.A.N.-ROLAND Druckmaschinen Aktiengesellschaft Printing form with parts that can be repeatedly activated and removed

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5062002A (en) * 1989-04-28 1991-10-29 Synergy Computer Graphics Corporation Electrostatic printer with color hue or grey level controlled by the level and/or duty cycle of voltages applied to each styli
JPH0329965A (en) * 1989-06-28 1991-02-07 Matsushita Graphic Commun Syst Inc Electrostatic latent image forming device
US5237346A (en) * 1992-04-20 1993-08-17 Xerox Corporation Integrated thin film transistor electrographic writing head

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0367048A2 (en) * 1988-10-29 1990-05-09 M.A.N.-ROLAND Druckmaschinen Aktiengesellschaft Printing form with parts that can be repeatedly activated and removed

Also Published As

Publication number Publication date
DE59309144D1 (en) 1999-01-07
DE4205304A1 (en) 1993-08-26
ATE173672T1 (en) 1998-12-15
EP0556627A2 (en) 1993-08-25
EP0556627B1 (en) 1998-11-25
US5911176A (en) 1999-06-15

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