Title:
PRINTER AND METHOD FOR DETECTING PRINTING PAPER
Document Type and Number:
WIPO Patent Application WO/2021/133135
Kind Code:
A1
Abstract:
A printer comprises: a transfer unit for transferring printing paper in a printing direction; a printing unit for printing information on the transferred printing paper; a detection unit that is installed to face the printing paper discharged toward a discharging portion for the printing paper, and acquires measured values by detecting light while the printing paper is being transferred and when the transfer of the printing paper is stopped; and a control unit that collects the measured values of the detection unit while the printing paper is being transferred, calculates a reference value by using the collected measured values, and compares, with the calculated reference value, the measured value acquired by the detection unit when the transfer of the printing paper is stopped, to determine whether or not the printing paper has been removed.
Inventors:
LEE CHUL HUI (KR)
Application Number:
PCT/KR2020/019183
Publication Date:
July 01, 2021
Filing Date:
December 28, 2020
Export Citation:
Assignee:
BIXOLON CO LTD (KR)
International Classes:
B41J11/00; B41J11/70; B41J29/393; G01J1/02
Foreign References:
| JP2002048876A | 2002-02-15 | |||
| KR20190044458A | 2019-04-30 | |||
| JP2017069812A | 2017-04-06 | |||
| JP2016137991A | 2016-08-04 | |||
| US20180060852A1 | 2018-03-01 |
Attorney, Agent or Firm:
ISQUARE PATENT & LAW FIRM (KR)
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