Patent ID: 11928544
Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
Field: IT methods for management (Electrical engineering)
Classification: CPC G  B  H | IPC G

Claim 0:
1. An article management system comprising:
an acquirer configured to acquire identification information and management information, the identification information being read from an electronic tag by a reading device in each of a plurality of bases in a distribution channel for an article, the electronic tag being attached to the article and storing the identification information, the management information being collected in association with the identification information in a corresponding one of the plurality of bases, the management information relating to management of the article, and
a management unit configured to manage the article with reference to the identification information and the management information which are acquired by the acquirer in each of the plurality of bases, wherein
the electronic tag is configured to perform backscatter communication with the reading device, and
the backscatter communication adopts a coding schema in transmission of a signal from the electronic tag to the reading device, the coding schema being a schema that a disconnection time period during which an antenna included in the electronic tag is disconnected from a matching resistor is variable within a range greater than or equal to a connection time period during which the antenna is connected to the matching resistor.