Title:
ERASING DEVICE AND ERASING METHOD
Document Type and Number:
WIPO Patent Application WO/2018/235446
Kind Code:
A1
Abstract:
This erasing device according to an embodiment of the present disclosure is a device for erasing written information from a reversible recording medium. This erasing device is provided with: a light source unit having one or more laser elements; and a control unit that controls the light source unit so as to emit a laser beam having the number of emission wavelengths that is less than the number of recording layers included in the reversible recording medium.
Inventors:
TAKAHASHI ISAO (JP)
ASAOKA SATOKO (JP)
TAKEUCHI TAICHI (JP)
TEJIMA ASUKA (JP)
KURIYAMA KENTARO (JP)
HOSHI MITSUNARI (JP)
ASAOKA SATOKO (JP)
TAKEUCHI TAICHI (JP)
TEJIMA ASUKA (JP)
KURIYAMA KENTARO (JP)
HOSHI MITSUNARI (JP)
Application Number:
PCT/JP2018/018256
Publication Date:
December 27, 2018
Filing Date:
May 11, 2018
Export Citation:
Assignee:
SONY CORP (JP)
International Classes:
B41M5/28; B41J2/475; B41M5/40; B41M5/46
Foreign References:
| JP2007098735A | 2007-04-19 | |||
| JP2005205882A | 2005-08-04 | |||
| JP2004155010A | 2004-06-03 | |||
| US20130267413A1 | 2013-10-10 | |||
| JP2004074584A | 2004-03-11 | |||
| JP2004188827A | 2004-07-08 | |||
| JP2011104995A | 2011-06-02 | |||
| JP2017120739A | 2017-07-06 |
Other References:
See also references of EP 3643506A4
Attorney, Agent or Firm:
TSUBASA PATENT PROFESSIONAL CORPORATION (JP)
Download PDF:
Previous Patent: INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING METHOD, AND CONTROL PROGRAM
Next Patent: COMPOSITE MOLDED BODY
Next Patent: COMPOSITE MOLDED BODY