US 12,322,978 B2
Mobile printer
Michihiro Shimizu, Nagano (JP); Kazuyuki Morimoto, Nagano (JP); and Toru Matsuyama, Nagano (JP)
Assigned to Seiko Epson Corporation, Tokyo (JP)
Filed by SEIKO EPSON CORPORATION, Tokyo (JP)
Filed on Nov. 23, 2022, as Appl. No. 18/058,365.
Claims priority of application No. 2021-191946 (JP), filed on Nov. 26, 2021.
Prior Publication US 2023/0170735 A1, Jun. 1, 2023
Int. Cl. B41J 29/02 (2006.01); H02J 50/10 (2016.01); B41J 3/36 (2006.01); B41J 11/70 (2006.01)
CPC H02J 50/10 (2016.02) [B41J 3/36 (2013.01); B41J 11/70 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A mobile printer comprising:
a roll body accommodating portion accommodating a roll body on which recording paper is wound;
a print head performing printing on the recording paper;
a transport unit pulling out the recording paper from the roll body and transporting the recording paper to the print head;
a cutting unit cutting the recording paper;
a power supply unit supplying a drive voltage signal to the print head, the transport unit, and the cutting unit; and
a housing covering the roll body accommodating portion, the print head, the transport unit, the cutting unit, and the power supply unit, wherein
the power supply unit has a power receiving module receiving a signal based on a power supply voltage signal from an outside by a non-contact power supply,
the power receiving module includes
a power receiving coil that receives a power transmission signal based on the power supply voltage signal as a power reception signal, and
a power receiving circuit that converts the power reception signal received by the power receiving coil into a direct current voltage signal to output the power reception signal, and
the power receiving coil is fixed to a power supply surface of the housing by an adhesive member, and the power receiving circuit is fixed to the power supply surface of the housing by a separate adhesive member that is separate from the adhesive member.