Title (en)

Thermal transfer printer

Title (de)

Wärmübertragungsdrucker

Title (fr)

Imprimante à transfert thermique

Publication

EP 0945274 A3 20000223 (EN)

Application

EP 99301857 A 19990310

Priority

JP 7780898 A 19980325

Abstract (en)

[origin: EP0945274A2] It is the object of the present invention to provide a thermal transfer printer which can realize a correct transfer even on the portion where the ink is overlaid on the already transferred ink or slightly transferred with the use of durable resin-based ink and a vivid multi-gradation recording. To achieve this object, the thermal transfer printer according to the present invention is provided with an ink ribbon (17) comprising a base substance (26), a separating layer (27) laminated on the base substance (26), and a resin-based ink layer (28) laminated on the separating layer (27), and a heat insulation layer (31) formed on a recording paper (29), and a control unit (25) for controlling a time of carrying a current to the thermal head (7) in a plurality of steps according to the gradation of an image to be recorded. <IMAGE>

IPC 1-7

B41J 2/36; B41J 2/325

IPC 8 full level

B41J 2/325 (2006.01); B41J 2/36 (2006.01); B41J 31/00 (2006.01); B41M 5/382 (2006.01); B41M 5/40 (2006.01); B41M 5/41 (2006.01); B41M 5/50 (2006.01); B41M 5/52 (2006.01)

CPC (source: EP)

B41J 2/36 (2013.01)

Citation (search report)

• [Y] US 5521626 A 19960528 - TANAKA HIDESHI [JP], et al
• [Y] EP 0765760 A2 19970402 - TOKYO ELECTRIC CO LTD [JP]
• [Y] EP 0728593 A1 19960828 - NEW OJI PAPER CO LTD [JP], et al
• [A] US 5071823 A 19911210 - MATSUSHITA TOSHIHIKO [JP], et al
• [A] EP 0800930 A1 19971015 - DAINIPPON PRINTING CO LTD [JP]
• [A] US 5677043 A 19971014 - HULTMAN JACK D [US], et al
• [A] US 3930101 A 19751230 - VINCENT DAVID N
• [A] EP 0524635 A1 19930127 - MITSUBISHI PAPER MILLS LTD [JP]
• [A] EP 0818319 A2 19980114 - VICTOR COMPANY OF JAPAN [JP]
• [A] PATENT ABSTRACTS OF JAPAN vol. 014, no. 287 (M - 0988) 21 June 1990 (1990-06-21)

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

DOCDB simple family (publication)

EP 0945274 A2 19990929; EP 0945274 A3 20000223; EP 0945274 B1 20051109; CN 1232751 A 19991027; CN 1234534 C 20060104; DE 69928155 D1 20051215; DE 69928155 T2 20060524; JP H11268313 A 19991005

DOCDB simple family (application)

EP 99301857 A 19990310; CN 99102880 A 19990311; DE 69928155 T 19990310; JP 7780898 A 19980325