Abstract: An application processor includes a memory controller, a display block and a power management unit. The memory controller controls an external memory that stores an image signal to be displayed on a display unit. The display block includes an internal frame buffer and a display controller and the display controller controls the image signal to be displayed on the display unit. The power management unit adaptively controls a power mode of the application processor based on a characteristic of the image signal to be displayed and a power control overhead index.

Abstract: A first-in first-out (FIFO) memory device includes a main FIFO unit, an auxiliary FIFO unit and a control unit. The main FIFO unit includes first through N-th one-port memories, each of which including M entries, where N and M are integers greater than or equal to two. The auxiliary FIFO unit includes one dual-port memory having M entries. The control unit performs a write operation by receiving a write command and data and storing the data in one of the main FIFO unit and the auxiliary FIFO unit based on an operating mode, and performs a read operation by receiving a read command and reading the data from one of the main FIFO unit and the auxiliary FIFO unit based on the operating mode.

Abstract: Provided are an apparatus and method of generating a tracking error signal, and an optical information storage system including the apparatus. The apparatus includes a bias signal generator for generating a bias signal for canceling a direct current (DC) offset of a push-pull signal using a tracking control signal generated by the tracking controller. Accordingly, an offset generated in a tracking error signal may be canceled or otherwise reduced using the bias single instead of using an additional side beam.

Abstract: A multimedia system includes a main special function register (SFR) configured to store SFR information; a plurality of processing modules each configured to process frames of data, based on the SFR information; and a system control logic configured to control operations of the main SFR and the plurality of processing modules. The plurality of processing modules may process data of different frames at the same time period.

Abstract: A system-on-chip (SoC) includes a slave intellectual property (IP) block, a master IP block, and an update control unit. The slave IP block is configured to perform first processing on first data based on first control information stored in a first storage unit. The master IP block is configured to perform second processing on second data in response to receiving a first processing result obtained by performing the first processing on the first data. Performing the second processing is based on second control information stored in a second storage unit. The update control unit is configured to determine an update time of the first control information or an update time of the second control information in response to performing the first processing and performing the second processing.

Abstract: In one example embodiment, a memory system includes a hierarchical first-in first-out (FIFO) memory configured to store data, and a FIFO controller configured to control inputting and outputting of data to and from the FIFO memory, wherein the FIFO memory includes a first layer. The first layer includes a high-speed input FIFO memory configured to receive data from an external device and a high-speed output FIFO memory configured to output data to the external device. The FIFO memory further includes a second layer. The second layer includes a main FIFO memory configured to receive data from the high-speed input FIFO memory and output data to the high-speed output FIFO memory.

Abstract: Exemplary embodiments disclose a system-on-chip (SoC) including a special function register (SFR) and an operating method thereof. The SFR comprises a first update storage element, a second update storage element, a first update logic corresponding to the first update storage element, and a second update logic corresponding to the second update storage element, wherein a clock is supplied to the first update storage element in response to the first update logic being enabled, and the clock is supplied to the second update storage element in response to the second update logic being enabled.

Abstract: Provided is a symbol synchronization apparatus and method of a passive RFID reader. The symbol synchronization apparatus includes: an edge clock detector generating edge clocks by detecting phase inversion positions of a received signal; a preamble detector detecting a preamble section by analyzing the generation times of the edge clocks; a symbol decision time extractor extracting a symbol decision time by averaging distances between the edge clocks consecutively generated in the preamble section, when the preamble section is detected; and a symbol decider deciding a symbol by analyzing the magnitude of the received signal, when the time reaches the symbol decision time.

Abstract: Disclosed are a passive RFID (Radio Frequency Identification) system and method capable of recognizing a great deal of tags at a high speed. A reader of a passive RFID system, including: a processor dividing slots and subchannels to configure a round, recognizing subchannels that are not involved in a collision and interference by the slots, and changing the subchannels that are not involved in a collision and interference, into a sleep state; a transmission unit encoding a command generated through the processor, performing an amplitude jitter modulation on the encoded command, and transmitting the modulated command; and a reception unit acquiring and demodulating tag signals received through a plurality of subchannels by the slots, and providing the demodulated tag signals to the processor.

Abstract: Provided is a Radio Frequency Identification (RFID) reader that can minimize collision among RFID readers in an environment where there are a plurality of RFID readers within a limited operating environment by making each RFID reader select a channel at different delay time based on a random value, and a method for controlling operation of the RFID reader. The RFID reader includes a random value generating unit; a reader control unit for adaptively deciding a counter value for generating the random value; an anti-collision unit for preventing collision among a plurality of tags; a reader transmitting unit for generating a reader command message determined by the anti-collision unit, encoding the reader command message, and modulating the reader command message; a reader receiving unit for demodulating and decoding a tag signal; and a channel operation control unit for selecting a channel to be used for the communication with the tag.

Abstract: Provided are an apparatus and method of generating a tracking error signal, and an optical information storage system including the apparatus. The apparatus includes a bias signal generator for generating a bias signal for canceling a direct current (DC) offset of a push-pull signal using a tracking control signal generated by the tracking controller. Accordingly, an offset generated in a tracking error signal may be canceled or otherwise reduced using the bias single instead of using an additional side beam.

Abstract: A first-in first-out (FIFO) memory device includes a main FIFO unit, an auxiliary FIFO unit and a control unit. The main FIFO unit includes first through N-th one-port memories, each of which including M entries, where N and M are integers greater than or equal to two. The auxiliary FIFO unit includes one dual-port memory having M entries.

Abstract: Provided are a reader-tag integrated RFID apparatus and a method for controlling the same. The apparatus includes a tag unit for communicating with an external reader, and transmitting a response signal and data corresponding to a signal transmitted from the external reader to the external reader, a reader unit for selecting a channel between other reader and the reader-tag integrated RFID apparatus with a different delay time, and communicating with an external tag using a random value to minimize collision; and a controller for selectively activating one of the tag unit and the reader unit if it necessary.

Abstract: A passive phase jitter modulation (PJM) tag is charged with power in a continuous wave (CW) section. When receiving a command from a reader, the passive PJM tag must recognize the command and determine exactly when to begin demodulating the command. Only then can the passive PJM tag demodulate the command. To this end, a synchronization apparatus for accurately demodulating a signal input to a PJM tag includes a plurality of correlators correlating a received phase jitter-modulated signal with a template of an internal matched filter which is in the same form as at least a portion of a modified frequency modulation (MFM) flag.

Abstract: Satellite image fusion method and system are provided. The satellite image fusion method includes matching sizes of a panchromatic image and a multispectral image captured from a satellite image; dividing the panchromatic image and the multispectral image into a plurality of blocks; calculating coefficients to acquire Intensity (I) component image data using pixel values of each block of the multispectral image; and generating fused multispectral image data by applying the acquired I component image data to a fusion algorithm. In the multispectral image fusion, the distortion of the color information can be minimized and the multispectral image data of the high resolution can be attained. In addition, the present invention is applicable to not only the IKONOS images but also other satellite images, and the present image fusion can be carried out fast.

Abstract: Provided is a power amplifier sharing system for a mobile communication system having a mobile Radio Frequency Identification (RFID) function, particularly, a power amplifier sharing system that can reduce the power consumption and the size of a circuit in a mobile communication terminal having a mobile RFID function. The system includes a mobile communication transceiver for transmitting/receiving a mobile communication signal; a mobile RFID transceiver for transmitting/receiving a mobile RFID signal; a power amplifier for amplifying a signal; a switch for connecting the mobile communication transceiver and the mobile RFID transceiver to the power amplifier; and a transceiver controller for controlling the switch and the power amplifier.

Abstract: Provided are an electronic shelf label (ESL) apparatus using radio frequency identification (RFID) and an operation method of the ESL apparatus. The ESL apparatus may include an ESL tag to be attached to a shelf and a radio tag reader to store, in the ESL tag, details that is received from an ESL server, in response to an article information update request from the ESL server.

Abstract: The present invention relates to an apparatus and method for detecting the collision of Radio Frequency IDentification (RFID) tags. In the apparatus and method for detecting the collision of RFID tags, when a subcarrier signal from which a carrier signal has been removed by a reader ASK analog demodulation device is inputted to a baseband receiver, a peak signal for the received tag signal is generated, and useful information about the generated peak signal within a symbol section is extracted. In the case where a collision is generated because two or more tags send signals to an RFID reader at the same time when the RFID reader communicates with the tags, the RFID reader can effectively detect the collision between the tags.

Abstract: A 3D display engine includes a timing generator circuit configured to receive format information from a 3D display and to responsively generate display timing information, a video image data processor circuit configured to receive and process left and right video image data, a 3D format generator circuit configured to frame-pack the processed left and right video image data and a controller circuit configured to control the video image data processor circuit and the 3D format generator circuit responsive to the display timing information.

Abstract: An apparatus and method for passive radio frequency identification (RFID) reader digital demodulation with respect to a Manchester subcarrier signal are disclosed. In a passive RFID environment where the Manchester subcarrier signal contains DC components in a frequency region, even when a tag signal containing the DC offset noise is input to a baseband, demodulation may be efficiently performed while the DC offset noise is removed. Therefore, accurate detection of tag information from the tag signal may be achieved.