Abstract:
The present invention relates to an electronic device and a method for performing authentication. The electronic device of the present invention comprises: a communication module; a memory; a processor electrically connected to the communication module and the memory; and an authentication module configured so as to be stored in the memory and executed by the processor, wherein the authentication module can be configured so as to transmit, on the basis of at least a part of a request, authentication information stored in the memory to an external electronic device, when the authentication request related to the external electronic device is obtained.
Abstract:
A refresh address generator may include a lookup table including a first portion storing a first group of addresses associated with a first data retention time, and a second portion storing a second group of addresses associated with a second data retention time different from the first data retention time, wherein the addresses of the first portion are more frequently accessed than the addresses of the second portion to refresh the memory cells corresponding to the addresses. Systems and methods may also implement such refresh address generation.
Abstract:
Provided are a terminal having a radio frequency identification (RFID) function and a method of processing information of the terminal for allowing intuitive interaction between a screen manipulation and an RFID manipulation with respect to using an RFID related service. The method of processing the information of the terminal including a screen and an RFID recognition unit, includes detecting a screen area corresponding to a position of the RFID recognition unit disposed at a predetermined position of the screen; displaying an RFID icon at a position of the detected screen area; recording information in an RFID tag based on the RFID tag contacting the RFID icon, and recognizing the information from the RFID tag the RFID tag contacting the RFID icon.
Abstract:
A power providing device according to an embodiment of the present disclosure comprises a charger configured to adjust at least one of a voltage and a current of power provided from a power supplying source and to provide the adjusted power to an electronic device and a processor configured to receive, from the electronic device, at least one of identification information of the electronic device and information related to a battery of the electronic device, and to control the charger to adjust at least one of the voltage and the current of the power using at least one of the identification information about the electronic device and the information related to the battery of the electronic device.
Abstract:
A code reading method and a radar system using a short-range millimeter wave (mmWave) radar are provided. The method includes transmitting a mmWave radar signal to a target object from a radar system and receiving a reflection wave signal reflected on the target object, extracting reflection signal strengths for a plurality of line codes constituting the target object from the reflection wave signal, compensating for the reflection signal strengths considering a difference in antenna gain between the plurality of line codes as per an antenna radiation pattern of the radar system, forming a radar image using the compensated reflection signal strengths, and reading a binary code from the radar image.
Abstract:
A method of changing a light transmittance of a head-mounted display device and the head-mounted device are provided. The method of changing a light transmittance of a head-mounted display device includes detecting an illuminance; determining an application displayed on a display unit of the head-mounted display device; determining a first light transmittance corresponding to the illuminance and the application; and changing a second light transmittance of a light transmission unit of the head-mounted display device to the determined first light transmittance.
Abstract:
A semiconductor memory device storing memory characteristic information, a memory module including the semiconductor memory device, a memory system, and an operating method of the semiconductor memory device. The semiconductor memory device may include a cell array including a plurality of areas; a command decoder configured to decode a command and generate an internal command; and an information storage unit configured to store characteristic information of at least one of the plurality of areas. When a first command and a first row address accompanying the first command are received, characteristic information of an area corresponding to the first row address is provided to an outside.
Abstract:
A semiconductor memory device includes: a memory cell array including a plurality of memory cells; an error correction code (ECC) engine configured to detect and/or correct at least one error bit in read data and configured to generate a decoding status flag indicative of whether the at least one error bit is detected and/or corrected, wherein the read data is read from the memory cell array; a channel interface circuit configured to receive the read data and the decoding status flag from the ECC engine and configured to transmit the read data and the decoding status flag to a memory controller, wherein the channel interface circuit is configured to transmit the decoding status flag to the memory controller through a pin; and a control logic circuit configured to control the ECC engine and the channel interface circuit in response to an address and a command from the memory controller.
Abstract:
A method of changing a light transmittance of a head-mounted display device including a display and an optical lens and a head-mounted display device. The method includes identifying an application displayed on the display of the head-mounted display device in front of a portion of the optical lens; identifying a first light transmittance based on a type of the application or a type of a content of the application; changing, by a processor, a light transmittance of the optical lens to the first light transmittance; and displaying the content of the application on the display while the light transmittance of the optical lens is maintained in the first light transmittance.
Abstract:
Provided is a method of controlling an electronic device by using a remote control device comprising a touch screen, the method including selecting one of a plurality of functions supported by the electronic device via the touch screen, sequentially displaying a plurality of user interfaces, usable for controlling the function selected with an input detected by the touch screen, one-by-one, and controlling the electronic device by using one of the plurality of user interfaces that are sequentially displayed.