Abstract: A wireless tag communication device for communicating with a wireless tag conveyed by a conveyance mechanism, includes radiation regions from which a radio wave is emitted. The radiation regions include a first region extending along a first direction crossing a conveyance direction of the tag and having a first length in the first direction, a second region extending along the first direction and having a second length in the first direction, a third region extending along the conveyance direction and having a third length in the conveyance direction, and a fourth region extending along the conveyance direction and having a fourth length in the conveyance direction. The device further includes a controller configured to cause at least one of the first, second, third and, fourth regions to emit a polarized wave towards the tag. Each of the first and second regions partially overlaps the third and fourth regions.

Abstract: An inkjet head includes a pressure chamber storing ink, a nozzle communicating with the chamber, an actuator ejecting the ink through the nozzle by changing a volume of the chamber, and a circuit outputting a drive signal to the actuator with a drive waveform having a cycle based on a number of gradation levels being used for printing. When printing is performed using three or more gradation levels, the circuit outputs the signal that has a multi-drop drive waveform including two or more first waveforms for ejecting first to (n?1)-th droplets of the ink where n is equal to or greater than 3, a second waveform for ejecting an n-th droplet of the ink, and an intermediate time between the first waveform for ejecting the (n?1)-th droplet and the second waveform for ejecting the n-th droplet. The intermediate time is longer than a time between two adjacent first waveforms.

Abstract: In general, according to one embodiment, a transaction certification system includes a transaction processing apparatus and a server. The transaction processing apparatus outputs encrypted data including transaction certification data for certification of a transaction executed on the transaction processing apparatus. The server receives the encrypted data from a first terminal apparatus that reads the encrypted data that has been output by the transaction processing apparatus. The server acquires a first user identifier identifying a user of the first terminal apparatus sending the encrypted data. The server stores the transaction certification data of the encrypted data in a storage device. The transaction certification data is stored in correlation with the acquired user identifier. The server receives a second user identifier from a user requesting a transaction certification, and then transmits the transaction certification data to a second terminal apparatus associated with the second user identifier.

Abstract: According to an embodiment, a communication apparatus creates a prediction model taking into consideration of the actual fluctuation of a self-interference signal. The communication apparatus selects, where the self-interference signal has largely fluctuated, a prediction model in accordance with a fluctuation pattern at an early stage of the fluctuation. The communication apparatus generates a cancel signal by control applying a gain and an amount of phase shift represented by the prediction model.

Abstract: Provided is an image forming device capable of managing a printing result of a specific content as a use history of a user designated in advance. According to embodiments, an image forming device includes a printer, a memory, and a processor. The printer forms an image on a medium. The memory stores information indicating a designated user with respect to a specific content as a printing person to print the specific content. When printing of a specific content for which a designated user as a printing person is stored in the memory in correspondence is requested, the processor controls printing of the specific content by the printer with the designated user as the printing person.

Abstract: In accordance with an embodiment, an image forming apparatus comprises an image forming section configured to form an image on a sheet; a sheet discharge port through which the sheet is discharged; a sheet conveyance roller configured to convey the sheet to the sheet discharge port; a movable sheet guide, arranged in such a manner that an imaginary line connecting a portion contacting the sheet of the sheet conveyance roller with the sheet discharge port passes through a cross-sectional area, configured to be capable of moving in a direction away from a surface of the sheet; and a guide sensor configured to detect movement of the movable sheet guide.

Abstract: On receiving simplified settlement data generated form settlement data and ID data for downloading electronic-receipt data from an electronic-receipt server, both from a settlement-processing apparatus, a portable terminal records the simplified settlement data in association with the ID data. The display unit of the portable terminal displays the simplified settlement data thus recorded. The portable terminal downloads electronic-receipt data from the electronic-receipt server by using the ID data recorded in association with the simplified settlement data, when the input unit is operated, thereby commanding that the electronic receipt related to the simplified settlement data displayed by the display unit should be downloaded. The electronic-receipt data is recorded in the electronic-receipt recording unit. The display unit displays the electronic receipt on the basis the electronic-receipt data recorded in the electronic-receipt recording 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.

Abstract: According to an embodiment, an image forming apparatus includes: a motor that drives a fixing device; and a controller. The motor outputs a signal corresponding to a driving current value of the motor. The controller performs a first operation where a magnitude value of the signal has fallen out of a first range while driving the motor in a first operation mode. The controller performs a second operation where the magnitude value of the signal has fallen out of a second range while driving the motor in a second operation mode.

Abstract: A power converter includes a first circuit including an inductor and configured to convert an input voltage into a first voltage, a second circuit including a transformer and configured to convert the first voltage input to the insulating transformer to a second voltage, a control circuit configured to control the first circuit, a first power supply circuit including a first winding magnetically coupled to the inductor and configured to output a third voltage generated by the first winding to the first control circuit, and a second power supply circuit including a second winding magnetically coupled to the transformer and configured to output a fourth voltage generated by the second winding to the first control circuit. When the second voltage is not output the third voltage is output to the control circuit, and when the second voltage is output the fourth voltage is output to the control circuit.

Abstract: A system and method for maintenance and supplying of a fleet of multifunction peripheral devices includes two or more networked devices including a decision engine. Devices discover one another and one device is designated as a server. The server creates a virtual lobby accessible by other devices and its decision engine is enabled. The server invites other devices into its virtual lobby, and these devices join the lobby in response. Devices provide their device state information to the lobby. The enabled decision engine generates recommendations for consumable replenishment, device servicing or device configuration, relaying the recommendations to a system administrator's tablet or smartphone. The administrator may accept, reject, modify or implement received suggestions. Consumable supplies or servicing recommendations can be done automatically if enabled. Administrator actions are fed back to the server for machine learning to improve future suggestions.

Abstract: An input apparatus includes a touch panel and a processor. The touch panel is configured to receive a first input of giving a first instruction that a dot configuring a braille character corresponds to a dotted protrusion through a first operation and a second input of giving a second instruction different from the first instruction of the first input through a second operation different from the first operation. The processor is configured to identify the braille character based on the first input and the second input received by the touch panel and searches for one or more process functions corresponding to the braille character identified by the processor.

Abstract: An image forming device is an image forming device in a destination setting system, and the destination setting system includes the image forming device and a wireless communication device used by a user who uses the image forming device. The image forming device has a communication unit and a control unit. The communication unit receives destination information transmitted from the wireless communication device among one or more destination information stored in the wireless communication device. The control unit sets the destination information received by the communication unit as a destination in a transmission function of image data.

Abstract: According to one embodiment, an image reading apparatus includes a light emitting unit, a first carriage, a first photoelectric conversion unit, a first lens, and a second carriage. The light emitting unit irradiates a reading object with light. The first carriage includes a first optical member for guiding reflected light from the reading object. The first carriage is movable in a sub-scanning direction along the reading object. The first photoelectric conversion unit receives the reflected light from the reading object guided through the first optical member and outputs an image signal. The first lens is disposed on an optical path of the reflected light between the first optical member and the first photoelectric conversion unit, and images the reflected light from the reading object on the first photoelectric conversion unit. The second carriage is movable in a main scanning direction orthogonal to the sub-scanning direction along the reading object with respect to the first carriage.

Abstract: A sheet aligning mechanism includes first and second conveyance mechanisms disposed on first and second sides of a sheet conveyance path, respectively. A nip is formed between the first and second conveyance mechanisms. The first conveyance mechanism includes a first roller, a second roller, and a first conveyance belt wound around the first and second rollers. The first and second rollers are configured to rotate in a first direction along a sheet conveying direction for sheet conveyance, and stop rotation or rotate in a second direction opposite to the first direction for sheet alignment. The first conveyance belt includes an extended region between the first and second rollers in an extending direction inclined with respect to the sheet conveying direction, such that a width of the sheet conveyance path becomes narrower towards the nip in the sheet conveying direction.

Abstract: According to one embodiment, an image forming device includes a memory and a processor. The memory is configured to store an execution history of image processing and an adjustment history of the image processing. The processor is configured to detect an occurrence of an event based on a correlation between the execution history and the adjustment history, and to execute instructing to output information according to a detection result.

Abstract: An apparatus includes a photoconductor, an exposure device, a developing device, a toner concentration sensor, a supply motor, and a processor. The exposure device exposes the photoconductor based on image data. The developing device forms a toner image on the photoconductor with toner supplied from a toner cartridge. The toner concentration sensor detects a toner concentration in the developing device. The supply motor supplies the toner from the toner cartridge to the developing device based on the toner concentration. The processor detects a toner container supply abnormality based on a toner supply rate and a print rate of the image data, the toner supply rate being calculated based on a pixel count value that is an integrated value of pixel values of the image data and a supply motor count value that is an integrated value of drive times of the supply motor.

Abstract: According to one embodiment, an image forming apparatus includes a support shaft, a connecting member, and a detachable member. The support shaft extends in a first direction. The support shaft includes a protrusion. The protrusion protrudes in a second direction orthogonal to the first direction. The connecting member is formed of an elastic material. The connecting member interposes the protrusion therebetween. The connecting member is connected to the support shaft to surround an outer periphery of the support shaft. The detachable member is detachably connected to the support shaft via the connecting member.

Abstract: According to an embodiment, an image processing apparatus includes a display unit, an operation unit, a processing unit, a storage unit, and a control unit. The display unit is configured to display an operation screen on which a processing mode and setting information may be selected. The operation unit is configured to receive an operation instruction from the operation screen displayed on the display unit and to transmit a processing job based on the operation instruction. The processing unit is configured to execute a process based on the processing job received from the operation unit. The storage unit is configured to store use history information indicating the processing jobs. The control unit is configured to customize the operation screen according to the use history information stored by the storage unit and cause the display unit to display the customized operation screen.

Abstract: According to one embodiment, a heating device includes a belt and a contact member. The belt has a tubular shape. The contact member is provided inside the belt. The contact member is formed in an arc shape along the inner peripheral surface of the belt. The contact member is slidably in contact with the inner peripheral surface of the belt. When the amount of deflection of the belt is D, the radius of curvature of the inner peripheral surface of the belt is A, and the radius of curvature of the outer peripheral surface of the contact member is B, the following equations (1) and (2) are satisfied: D?10 mm??(1) 0.4 mm?A?B?0 mm??(2).