公开(公告)号：DE69411631D1

公开(公告)日：1998-08-20

申请号：DE69411631

申请日：1994-05-18

Applicant: SONY CORP

Inventor： YUI YASUJI ,  MAEKAWA TOMOHIRO ,  KAMODA HITOSHI ,  IIMA SHIN ,  BUNYA TAKASHI

IPC: B41J17/02 ,  B41J17/32 ,  B41J17/36

公开(公告)号：DE69210189T2

公开(公告)日：1996-10-02

申请号：DE69210189

申请日：1992-12-09

Applicant: SONY CORP

Inventor： MAEKAWA TOMOHIRO ,  YUI YASUJI ,  KAMODA HITOSHI

IPC: B41J17/22 ,  B41J17/32 ,  B41J17/36

Abstract: The device includes a spool (20) rotatably disposed in the ink ribbon cartridge (1) and having an ink ribbon wound thereabout (11). A ring (30) is mounted on the spool so as to be rotatable relative to the spool and has information marks (34, 35) recorded thereon. A photo-sensor (55) is disposed in the printing apparatus in opposite relation to the ring and detects the information marks recorded on the ring.