Abstract: According to one embodiment, a radio tag reading device includes: a body portion including a radio tag reading unit that reads a radio tag; a grip portion detachably connected to the body portion; a magnet provided in the grip portion; a magnet detection unit provided in the body portion and configured to detect magnetism generated by the magnet; a state detection unit configured to detect a state of the grip portion based on the magnetism detected by the magnet detection unit; and a reading control unit configured to control the radio tag reading unit.

Abstract: According to one embodiment, a code reader includes an interface, a scanner, and a processor. The interface transmits and receives data to and from an external device. The scanner reads a code from an item. The processor extracts a portion of code information obtained from the code read by the scanner and transmits the portion of the code information to the external device through the interface.

Abstract: According to one or more embodiments, the tag reader includes a communication controller, a temperature measuring sensor, and a processor. The communication controller controls an output signal to be output from an antenna of the tag reader. The temperature measuring sensor measures an internal temperature of the tag reader. The processor sets the output value of an output signal based on the measured temperature and causes the communication control circuit to output the output signal from the antenna at the set output value.

Abstract: According to one embodiment, a wireless tag reading apparatus includes a first communication interface configured to communicate with a first external device, a second communication interface configured to communicate with a second external device, an antenna configured to emit a radio wave to read a wireless tag, and a controller. The controller is configured to identify either (a) the first communication interface as being in communication with the first external device or (b) the second communication interface as being in communication with the second external device. The controller is configured to change a power level of the radio wave emitted by the antenna based on which of the first communication interface or the second communication interface is identified. The controller is configured to read the wireless tag by controlling the antenna to emit the radio wave with the changed power level.

Abstract: According to one embodiment, a reading device is configured to read information from an RFID tag attached to a product. The reading device includes a housing, an antenna, an opening-and-closing lid, a detector, a reading unit, and an alert unit. The housing includes an opening portion, and therein a space for accommodating the product. The antenna is provided within the space. The opening-and-closing lid is opening and closing the opening portion. The detector is configured to detect an open or closed state of the opening-and-closing lid. The reading unit is configured to read the information from the RFID tag. The alert unit is configured to issue an alert on an operation method in accordance with the open or closed state of the opening-and-closing lid and an operation state of the reading unit.

Abstract: A merchandise registration apparatus includes a reader configured to read tag information from a wireless tag attached to merchandise, a memory configured to store the tag information, and a processor. The processor is configured to register the tag information, cause tag information registered in a previous transaction to be stored in the memory, and prevent registration of the tag information in response to the tag information matching the stored tag information.

Abstract: A tag reader includes a communication controller, a communication interface, and a processor. The communication controller controls an output level of an output signal to be output from an antenna for reading an RFID tag. The communication interface communicates with a host device. The processor specifies a minimum output level of the output signal at which the RFID tag can be read and transmits the minimum output level to the host device through the communication interface.

Abstract: A reading device includes a placing table supporting an article to which an RFID tag is attached. An antenna is configured to emit a radio wave for communicating with the RFID tag toward the placing table. A reading unit is configured to read tag information including a tag identifier identifying the RFID tag by communicating with the RFID tag via the antenna while the placing table and the antenna are integrally moved. An extracting unit is configured to extract a tag identifier in which an amount of change in phase information is a predetermined value or less, based on the phase information of a response wave obtained from the RFID tag when the tag information is read. An outputting unit is configured to output the tag information including the tag identifier extracted by the extracting unit.

Abstract: A system includes a plurality of readers and an information processor. The reader includes a first communicator, an antenna, and a first processor. An antenna communicates with radio tags. The first processor measures a time in which radio waves are received with a plurality of channels in a carrier sense time, the carrier sense time being a time in which the radio tags are not communicating and transmits a channel report indicating a time in which radio waves are received with each channel to the information processor through the first communicator. The information processor includes a second communicator and a second processor. The second processor acquires the channel report through the second communicator and generates an aggregate report indicating channel states while the plurality of readers are not communicating with the radio tags based on the plurality of acquired channel reports.

Abstract: According to an embodiment, a wireless-tag writing apparatus counts the number of bits indicating a predetermined binary value of bits included in a first bit string to be written to a wireless tag. Further, the wireless-tag writing apparatus determines, in accordance with the counted number of bits, a second bit string indicating a unique serial number of the first bit string. Further, the wireless-tag writing apparatus determines the second bit string to issue tag information in which the number of bits indicating the predetermined binary value of all bits of the first bit string satisfies a predetermined condition.

Abstract: A radio tag reading device includes a placement table, an antenna, a reader, a sensor, and a controller. The antenna is configured to communicate with wireless tags within a communication range covering a placement region of the placement table. The reader is configured to output commodity information based on a signal received by the antenna from wireless tags. The sensor is configured to detect a user near the placement region of the placement table. The controller is configured to start a reading operation by activating the reader and causing the antenna to start emitting radio waves upon the sensor detecting the user near the placement region.

Abstract: A wireless tag reader includes a casing, an antenna in the casing and through which a radio wave is transmitted to and received from a wireless tag on an article, a control device in the casing and configured to read tag information stored in the wireless tag based on a radio wave received by the antenna, and an elastic member between the casing and the antenna so as to permit the antenna to be movable with respect to the casing.

Abstract: According to one embodiment, a commodity registration device includes an optical reading unit with a reading range. The optical reading unit is configured to acquire an image of a commodity in the reading range. A wireless tag reading unit is configured to read a commodity code from a wireless tag of the commodity in the reading range. A processor determines whether the commodity is in the reading range of the optical reading unit and causes a notification unit to indicate the commodity has been registered if the wireless tag reading unit successfully reads the commodity code from the wireless tag while the commodity is determined to be in the reading range of the optical reading unit.

Abstract: According to one embodiment, a commodity registration device includes an optical reading unit with a reading range. The optical reading unit is configured to read a code symbol on a commodity in the reading range. A wireless tag reading unit is configured to read a commodity code from a wireless tag of the commodity in the reading range. A processor determines whether the commodity is in the reading range of the optical reading unit and causes a notification unit to indicate the commodity has been registered if the wireless tag reading unit successfully reads the commodity code from the wireless tag while the commodity is determined to be in the reading range of the optical reading unit.

Abstract: According to an embodiment, a wireless-tag writing apparatus counts the number of bits indicating a predetermined binary value of bits included in a first bit string to be written to a wireless tag. Further, the wireless-tag writing apparatus determines, in accordance with the counted number of bits, a second bit string indicating a unique serial number of the first bit string. Further, the wireless-tag writing apparatus determines the second bit string to issue tag information in which the number of bits indicating the predetermined binary value of all bits of the first bit string satisfies a predetermined condition.

Abstract: A registration apparatus for registering commodity information includes a bar code reader configured to read commodity information from a symbol attached to a commodity, a wireless tag reader configured to read tag information stored in a wireless tag attached to a commodity, a first cancel key, and a processor configured to upon reading of tag information stored in a wireless tag via the wireless tag reader, acquire commodity information associated with the tag information and register the acquired commodity information as first data, upon reading of commodity information from a symbol via the bar code reader, register the read commodity information as second data, and upon detection of the first cancel key being operated, cancel registration of the commodity information registered as the first data.

Abstract: A reading apparatus for reading a wireless tag attached to a commodity includes a wireless tag reader configured to emit a radio wave and read information in a radio wave returned from a wireless tag, and a processor configured to control the wireless tag reader to emit the radio wave, upon detection of radio waves returned from one or more wireless tags, determine one or more commodity codes based on information contained in the radio waves, and upon detection of at least one commodity placed in a predetermined area, register the one or more commodity codes determined within a predetermined time prior to the placement of said at least one commodity in the predetermined area.

Abstract: According to one embodiment, a commodity registration device includes an optical reading unit with a reading range. The optical reading unit is configured to read a code symbol on a commodity in the reading range. A wireless tag reading unit is configured to read a commodity code from a wireless tag of the commodity in the reading range. A processor determines whether the commodity is in the reading range of the optical reading unit and causes a notification unit to indicate the commodity has been registered if the wireless tag reading unit successfully reads the commodity code from the wireless tag while the commodity is determined to be in the reading range of the optical reading unit.

Abstract: According to one embodiment, a radio tag reading device includes: a body portion including a radio tag reading unit that reads a radio tag; a grip portion detachably connected to the body portion; a magnet provided in the grip portion; a magnet detection unit provided in the body portion and configured to detect magnetism generated by the magnet; a state detection unit configured to detect a state of the grip portion based on the magnetism detected by the magnet detection unit; and a reading control unit configured to control the radio tag reading unit.

Abstract: A tag reading device includes an external interface, an RFID interface, a buffer memory, and a processor. The external interface communicates with a higher-level device. The RFID interface reads tag information from an RFID tag. The buffer memory sequentially records the tag information read from the RFID tag using the RFID interface. The processor transmits the tag information recorded in order in the buffer memory to the higher-level device via the external interface, and updates a transmission start pointer indicating untransmitted tag information in the buffer memory.