Abstract: A POS terminal includes a display device, a sensor, and a processor configured to determine an amount of merchandise based on a signal output from the sensor, determine a display pattern of a plurality of content images based on the determined amount of merchandise, and control the display device to display the content images according to the determined display pattern.

Abstract: According to one embodiment, a parking fee management supporting system supports parking fee management concerning a car park in which a free parking available period is granted according to a purchase amount in a predetermined store. The parking fee management supporting system calculates a free parking available remaining time in the car park in association with a user, who inquires about a remaining time of the free parking available period, on the basis of a parking start time and purchase information of the user.

Abstract: The invention provides a technique that makes it possible to surely detect an abnormality in normal operation of an antenna of a communication system for wireless communication with an RF tag attached to a management target article. The antenna is provided with an operation confirmation RF tag with which the antenna can always establish wireless communications when normally transmitting to the attached RF tag. The communication system transmits, from the antenna, radio waves for wireless communication with the RF tag attached to the management target article, and thus can determine an abnormality of the antenna on the basis of the presence or absence of a response from the operation confirmation RF tag.

Abstract: According to one embodiment, the goods management device includes a carried out goods detecting portion that receives a reading result from a first wireless tag reader arranged in a depository storing goods attached with a wireless tag, and detects, based on the result, that the goods attached with tag data have been taken away from the depository; a user data receiving portion that receives, as a reading result, both of tag data, unique to a user, carried by the user who is taking away the goods and tag data attached to the goods being taken away from a second wireless tag reader arranged near a door, which is usually locked, of a building or a room in which the depository is installed; and an unlock direction portion that instructs unlocking of the door, only in a case where the tag data of the goods determined by the carried out goods detecting portion to have been taken away matches with the tag data attached to the goods being taken away and received by the user data receiving portion and where the tag d