Global Patent Index - EP 1063093 A1

EP 1063093 A1 2000-12-27 - Paper feeder and printer using it

Title (en)

Paper feeder and printer using it

Title (de)

Papierzuführung und Drucker welcher diese benutzt

Title (fr)

Dispositif d'alimentation en papier et imprimante utilisant ceci

Publication

EP 1063093 A1 (EN)

Application

EP 00111848 A

Priority

JP 17481799 A

Abstract (en)

A paper feeder for a printer comprises a feed roller (3) for conveying paper and a stepping motor (2) for driving the feed roller (3). The feed roller and the stepping motor are coaxially disposed and the feed roller is directly driven by the stepping motor. The stepping motor (3) is adapted to perform Z base steps per one revolution and, in a microstep exciting system, each base step is subdivided into n microsteps in accordance with the expression n.Z = pi Y.X in which X represents the resolution of the printer, Y represents the diameter of the feed roller (3), and n represents an integer of 2 or greater. <IMAGE>

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

B41J 11/42

IPC 8 full level (invention and additional information)

B41J 11/42 (2006.01); B41J 13/00 (2006.01); B41J 13/02 (2006.01); B65H 5/06 (2006.01)

CPC (invention and additional information)

B41J 13/0018 (2013.01)

Citation (search report)

  • [A] US 5588761 A 19961231 - SEIB KEN L [US]
  • [A] US 3951061 A 19760420 - BREMMER JR DAVID F, et al
  • [DA] PATENT ABSTRACTS OF JAPAN vol. 012, no. 356 (M - 745) 26 September 1988 (1988-09-26)
  • [A] PATENT ABSTRACTS OF JAPAN vol. 1999, no. 01 29 January 1999 (1999-01-29)

Designated contracting state (EPC)

DE FR GB

EPO simple patent family

EP 1063093 A1 20001227; EP 1063093 B1 20030402; CN 1278486 A 20010103; DE 60001872 D1 20030508; DE 60001872 T2 20031204; JP 2001002281 A 20010109

INPADOC legal status


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2004-03-24 [26N] NO OPPOSITION FILED

- Effective date: 20040105

2003-12-19 [ET] FR: TRANSLATION FILED

2003-05-08 [REF] CORRESPONDS TO:

- Document: DE 60001872 P 20030508

2003-04-02 [AK] DESIGNATED CONTRACTING STATES:

- Designated State(s): DE FR GB

2003-04-02 [REG GB FG4D] EUROPEAN PATENT GRANTED

2001-11-28 [17Q] FIRST EXAMINATION REPORT

- Effective date: 20011011

2001-09-12 [AKX] PAYMENT OF DESIGNATION FEES

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2000-12-27 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20001026

2000-12-27 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): DE FR GB

2000-12-27 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO

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