US 12,299,524 B2
Printer, printer control method of printer and non-transitory computer-readable medium
Hidekazu Arai, Saitama (JP)
Assigned to SATO HOLDINGS KABUSHIKI KAISHA, Tokyo (JP)
Filed by SATO HOLDINGS KABUSHIKI KAISHA, Tokyo (JP)
Filed on Feb. 9, 2024, as Appl. No. 18/437,545.
Application 18/437,545 is a continuation of application No. 17/425,843, granted, now 11,907,797, previously published as PCT/JP2020/003996, filed on Feb. 3, 2020.
Claims priority of application No. 2019-066732 (JP), filed on Mar. 29, 2019.
Prior Publication US 2024/0176967 A1, May 30, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. G06K 7/10 (2006.01); G06K 15/02 (2006.01)
CPC G06K 7/10366 (2013.01) [G06K 15/022 (2013.01); G06K 15/024 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A printer comprising:
a controller configured to:
acquire a plurality of radio wave strengths of a plurality of RFID signals, each RFID signal being from an RFID included in each of a plurality of printing media,
set a threshold based on the acquired plurality of the radio wave strengths, and
determine whether or not each RFID is normal based its respective radio wave strength and the set threshold.