Global Patent Index - EP 0805021 B1

EP 0805021 B1 2000-12-27 - Process for the regulation of the temperature within a device for the inscription of printing plates using a laser radiation particularly for an offset printing machine

Title (en)

Process for the regulation of the temperature within a device for the inscription of printing plates using a laser radiation particularly for an offset printing machine

Title (de)

Verfahren und Vorrichtung zur Regelung der Temperatur in einer mit Laserlicht arbeitenden Druckplatten-Beschriftungseinheit, insbesondere einer Offset-Druckmaschine

Title (fr)

Procédé pour la régulation de la température dans une machine pour l'inscription des plaques pour l'impression utilisant un rayonnement laser en particulier une machine offset

Publication

EP 0805021 B1 (DE)

Application

EP 97105896 A

Priority

DE 19617552 A

Abstract (en)

[origin: EP0805021A2] The method involves operating a heat source (18) placed close to the laser light source (10) so that the temp. of the light source, which is switched on and off according to the image to be reproduced, is held as constant as possible. The heat generated by the heat source per time unit is increased when the light source is off and is reduced when the light source is on. The heat generated by the heat source per time unit essentially corresp. to that generated by the light source.

IPC 1-7 (main, further and additional classification)

B41C 1/10

IPC 8 full level (invention and additional information)

B41C 1/05 (2006.01); B41C 1/10 (2006.01); B41J 29/377 (2006.01); G03F 7/20 (2006.01); H01S 5/00 (2006.01)

CPC (invention and additional information)

B41C 1/1083 (2013.01); B41J 29/377 (2013.01)

Designated contracting state (EPC)

CH DE FR GB IT LI NL

EPO simple patent family

EP 0805021 A2 19971105; EP 0805021 A3 19980107; EP 0805021 B1 20001227; CA 2201226 A1 19971102; CA 2201226 C 20000201; DE 19617552 A1 19971106; JP H1071690 A 19980317; US 6043456 A 20000328

INPADOC legal status


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2002-12-06 [REG FR TP] TRANSMISSION OF PROPERTY

2002-10-01 [NLS] NL: ASSIGNMENTS OF EP-PATENTS

- Owner name: PRESSTEK INC.

2002-09-11 [REG GB 732E] AMENDMENTS TO THE REGISTER IN RESPECT OF CHANGES OF NAME OR CHANGES AFFECTING RIGHTS (SECT. 32/1977)

2002-08-30 [REG CH NV] NEW AGENT

- Representative's name: PATENTANWAELTE SCHAAD, BALASS, MENZL & PARTNER AG

2002-08-30 [REG CH PUE] ASSIGNMENT

- Owner name: HEIDELBERGER DRUCKMASCHINEN AKTIENGESELLSCHAFT -DA

2002-01-01 [REG GB IF02] EUROPEAN PATENT IN FORCE AS OF 2002-01-01

2001-12-19 [26N] NO OPPOSITION FILED

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- Owner name: STUDIO JAUMANN P. & C. S.N.C.

2001-02-01 [REF] CORRESPONDS TO:

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