| Patent application number | Description | Published |
|---|
| 20100327877 | RADIO FREQUENCY IDENTIFICATION (RFID) DEVICE AND METHOD FOR TESTING THE SAME - A radio frequency identification (RFID) device and a test method thereof are disclosed. In this test method, the RFID device receives different kinds of tag selection addresses and memory addresses according to a time sharing scheme, so that one or more RFID tags are tested. The RFID device includes a tag chip and a test chip. The tag chip performs a test operation upon receiving a test input signal from an external node, and externally outputs a test output signal indicating a result of the test operation. The test chip tests the tag chip upon receiving an address and data from an external node via a test pad during a test mode. | 12-30-2010 |
| 20110025472 | CONNECTION PORT SYSTEM - A system comprises a RFID chip, a connection port coupled to an external apparatus, and an interface unit configured to electrically couple the connection port to the RFID chip. | 02-03-2011 |
| 20110063089 | RADIO FREQUENCY IDENTIFICATION (RFID) SYSTEM - A radio frequency identification (RFID) system is disclosed. The RFID system connects a sense-signal generator to a power-supply voltage VDD input terminal of an RFID chip so that it detects a power-supply operation status of the RFID chip using sensory organs of a human being. The RFID system includes an RFID chip configured to perform a data read/write operation upon receiving a radio frequency (RF) signal from an antenna, and a sense-signal generator configured to output an operation status of the RFID chip by connecting to the RFID chip. | 03-17-2011 |
| 20110063091 | RADIO FREQUENCY IDENTIFICATION SYSTEM - A radio frequency identification (RFID) system allocates an identification (ID) code to a driving device using an RFID device such that each driving device can be wirelessly controlled at a remote site. The RFID system includes an RFID device which reads and writes data in response to a radio frequency (RF) signal received through an antenna unit. The RFID device includes a connection unit configured to be coupled to an external driving device, and a driving unit configured to output a driving signal for controlling the driving device to the connection unit in response to control signals generated by the RF signal. | 03-17-2011 |
| 20110121944 | RADIO FREQUENCY IDENTIFICATION DEVICE - A radio frequency identification (RFID) device senses whether electrostatic discharge (ESD) fail occurs in a RFID chip or not so as to detect a failed RFID chip. The RFID device includes an antenna configured to transmit and receive a radio frequency signal with an external reader, and an electrostatic discharge detecting unit configured to sense flowing of leakage current depending on electrostatic charge applied to the antenna and output a modulating signal corresponding to the leakage current to the antenna. | 05-26-2011 |
| 20110127644 | WAFER AND METHOD FOR FORMING THE SAME - A wafer and a method for forming the same are disclosed. The wafer forming method can separate respective chips from others by performing a Deep Reactive Ion Etching (DRIE) process on a wafer including a plurality of chips. The wafer includes a plurality of chips configured to be arranged in row and column directions on the wafer, a scribe region configured to be formed among the plurality of chips so as to separate each chip, and an alignment key pattern configured to be arranged on the plurality of chips. | 06-02-2011 |
| 20110127645 | WAFER AND METHOD FOR FORMING THE SAME - A wafer and a method for forming the same are disclosed. The wafer forming method can separate respective chips from others by performing a Deep Reactive Ion Etching (DRIE) process on a wafer including a plurality of chips. The wafer includes a plurality of chips configured to be arranged in row and column directions on the wafer, a scribe line configured to be formed among the plurality of chips so as to separate each chip, and an align key line configured to be formed in one side of the wafer so as to form an align key pattern. | 06-02-2011 |
| 20110127646 | WAFER AND METHOD FOR FORMING THE SAME - A wafer and a method for forming the same are disclosed. The wafer forming method can separate respective chips from others by performing a Deep Reactive Ion Etching (DRIE) process on a wafer including a plurality of chips. The wafer includes a plurality of chips configured to be arranged in row and column directions on the wafer, a scribe lane formed among the plurality of chips, configured to separate each of the plurality of chips using a Deep Reactive Ion Etching (DRIE) process, and an alignment key pattern configured to be arranged on the plurality of chips. The DRIE process is performed at a front side of the wafer on a basis of the align key pattern. | 06-02-2011 |
| 20110147464 | RFID DEVICE - An RFID device may ensure a stable sensing margin by employing a ReRAM. In an embodiment the RFID includes: a radio signal transceiver configured to transmit/receive a radio signal to/from an external reader; a digital unit configured to detect a command signal from an output of the radio signal transceiver and output a control signal corresponding to the command signal; and a memory unit configured to perform a read or write operation in response to the control signal, the memory unit including a resistive switch device (RSD) having memristor characteristics. | 06-23-2011 |
| 20110147465 | RFID DEVICE - An RFID device includes an amplification unit, a demodulator, and a modulator. The amplification unit is configured to amplify a level of a radio signal applied through an antenna, and output an amplification signal. The demodulator is configured to generate an operating voltage by rectifying and amplifying the amplification signal, demodulate the operating voltage, and generate a command signal. The modulator is configured to output a response signal, which corresponds to the command signal, to the antenna. | 06-23-2011 |
| 20110147466 | LED PACKAGE AND RFID SYSTEM INCLUDING THE SAME - The LED package comprising a substrate and a display device, stacked on the substrate, including a light emitting diode (LED), and so on. A light emitting diode (LED) package comprises a LED device configured to emit light, an electrostatic discharge (ESD) device including an ESD circuit formed under the LED device, a printed circuit board (PCB), including a power supply line, formed under the ESD device, and a heat sink substrate, formed under the PCB, configured to release a heat delivered from the LED device through the ESD device and PCB. | 06-23-2011 |
| 20110148594 | RFID SYSTEM - An RFID system controls a device using a serial interface protocol through the use of a wireless communication scheme thereof. The RFID system includes: a digital unit configured to control the command signal generated according to a radio signal, and generate an address, data, and a control signal; a memory unit configured to perform a data read or write operation according to the control signal applied from the digital unit; a coupling unit coupled to an external driving device; a decoder configured to decode an output data of the memory unit; and a driving controller configured to sequentially output decoded data of the decoder to the coupling unit in synchronization with a serial clock. | 06-23-2011 |
| 20110148596 | RFID DEVICE - A radio frequency identification (RFID) device includes: a first amplifier configured to amplify a level of a first radio signal applied through a first antenna, and output an amplified signal; a second amplifier configured to amplify the amplified signal to a predetermined level, and output a power signal; a demodulator configured to demodulate the amplified signal and generate a command signal; a transmission switch configured to selectively output the power signal according to a response signal corresponding to the command signal; and a modulator configured to output a second radio signal, which is generated by modulating the power signal, to a second antenna. | 06-23-2011 |
| 20110148598 | RFID SYSTEM - An RFID system includes: an input unit configured to generate a command signal according to a radio signal applied through an antenna; a digital unit configured to control the command signal and generate an address, data, and a control signal; a memory unit configured to perform a data read or write operation according to the control signal applied from the digital unit; a coupling unit coupled to an external driving device; and a driving controller configured to output a driving signal, which controls the driving device according to data stored in the memory unit, to the coupling unit, wherein the memory unit includes a first address area which stores data for transmitting and receiving the radio signal, and a second address area which stores data for controlling the driving device. | 06-23-2011 |
| 20110148601 | RADIO FREQUENCY IDENTIFICATION (RFID) DEVICE - A radio frequency identification (RFID) device is disclosed. The RFID device is configured to read/write data in response to a radio frequency (RF) signal received from an antenna unit. The RFID device includes an event controller, a connection unit, and a driving controller. The event controller outputs a control signal for executing a specific event, if a command signal generated by the RF signal corresponds to predetermined specific event data. The connection unit is connected to an external driving device of the RFID device. The driving controller outputs a driving signal controlling an operation of the driving device to the connection unit in response to the control signal. | 06-23-2011 |
| 20110148737 | ANTENNA FOR USE IN RADIO FREQUENCY INDENTIFICATION (RFID) DEVICE - An antenna for use in an RFID device is disclosed. The antenna of the RFID device includes an antenna substrate including a cavity in which an RFID chip is inserted, and also includes a first antenna electrode and a second antenna electrode. The first and second antenna electrodes are formed on the antenna substrate so as to connect to the RFID chip, and are tilted at specific slopes while interposing the cavity therebetween. The antenna is connected to the RFID chip using a simple insertion method, so that connection speed is increased. | 06-23-2011 |
