Abstract: A voltage controlled oscillator includes a resonant circuit including one or more transformers and a plurality of variable capacitor circuits connected in parallel to the one or more transformers and generating a plurality of oscillation frequencies having multiple phases, and a negative resistance circuit including a plurality of transistors cross-coupled via the one or more transformers and generating negative resistance for maintaining the oscillation of the resonant circuit.

Abstract: A direct conversion receiver includes: a high linearity mixer device including a sampler unit charge-sampling an input current according to a sampling frequency, and a buffer unit receiving an output signal from the sampler unit while having a low input impedance, amplifying the received signal, and outputting a current signal; and a filter device decimating an output signal from the mixer device and FIR-filtering the decimated signal.

Abstract: An amplification cell employing a linearization scheme and an active inductor using the same are provided. The active inductor includes: first and second amplification cells each including a main amplifying unit amplifying an input signal, an auxiliary amplifying unit connected in parallel to the main amplifying unit and eliminating nonlinear characteristics of the main amplifying unit while amplifying the input signal, and a negative load unit connected to an output terminal of the main amplifying unit and that of the auxiliary amplifying unit; a plurality of load resistors for tuning frequency; and a plurality of capacitors for tuning frequency, wherein an output from the first amplification cell is negatively fed back to the second amplification cell, an output from the second amplification cell is negatively fed back to the first amplification cell, and the plurality of load resistors and the plurality of capacitors are disposed on negative feedback paths of the first and second amplification cells.

Abstract: Two methods are presented in order to properly compensate the changes of the optical characteristics, which are caused by the optical path length change. First, a path length compensation method in which the additional optical path length, equivalent to the dicing kerf width of the substrate, is added onto the diced-to-be waveguide part of the AWG chip during the waveguide design process and fabrication process so that the compensated optical path length is maintained even after dicing. In addition, a position compensation method is provided in which an additional waveguide is added at the position shifted by a distance equivalent to the kerf width of the substrate such that the additional waveguide undergoes the minimized path length change after dicing is performed.

Abstract: An optical pickup, photodetector, and optical drive adopting the optical pickup are provided. The optical pickup may include a light emitting system having a plurality of light sources corresponding to a plurality of mediums a light receiving system including a photodetector for converting light reflected from a medium into an electrical signal. The photodetector may include first and second light receiving sensors corresponding to the plurality of mediums, each of the first and second light receiving sensors comprising a plurality of regions, each region comprising a plurality of sectors. The plurality of regions of the first and second light receiving sensors may include shared sectors that are shared by the first and second light receiving sensors and exclusive sectors that are exclusively used in the first light receiving sensor or the second light receiving sensor.

Abstract: Provided is a packet/TDM switch that may classify a type of a received signal based on slot recognition information received from an Ethernet mapping unit or a TDM mapping unit, and may process the received signal using a dedicated switch corresponding to each of the Ethernet mapping unit and the TDM mapping unit according to the type of the received signal.

Abstract: A method for performing presentation with reference to structured information existing in an internal or external is defined. A scene presentation device may present a scene with reference to the structured information based on the defined method.

Abstract: Various read level control apparatuses and methods are provided. In various embodiments, the read level control apparatuses may include an error control code (ECC) decoding unit for ECC decoding data read from a storage unit, and a monitoring unit for monitoring a bit error rate (BER) based on the ECC decoded data and the read data. The apparatus may additionally include an error determination unit for determining an error rate of the read data based on the monitored BER, and a level control unit for controlling a read level of the storage unit based on the error rate.

Abstract: A software system capable of enabling efficient communication between an application and an operating environment in a heterogeneous network is provided. A distributed processing system adopting the software system may obtain optimized latency during a network communication between distributed software modules.

Abstract: Provided is a signal generator. The signal generator includes an insulating substrate, a chip disposed on the insulating substrate and including an oscillator including a capacitance element determining a resonant frequency signal, and a plurality of conductive lines disposed on the same surface of the insulating substrate to be spaced apart from each other. At least one of the plurality of conductive lines is electrically connected with the oscillator and provides an inductance element determining the resonant frequency signal to the oscillator.

Abstract: A method for providing a customized workflow service to offer a customized workflow software service in software as a service (SaaS) environment includes: providing currently set workflow information to a customized workflow software service client; and receiving a request for correction of workflow information from the client. Further, the method for providing the customized workflow service includes storing workflow information corrected in response to the request for correction of workflow information in a customized workflow database.

Abstract: A liquid crystal display device includes: a liquid crystal panel that displays images using a plurality of pixels each including red, green and blue sub-pixels; a gate driving portion that supplies a gate signal to the liquid crystal panel; a data driving portion that supplies a data signal to the liquid crystal panel; and a timing control portion that compares difference of gray level between image signals corresponding to the red, green and blue sub-pixels with a first threshold value and compares difference of gray level between the image signals corresponding to the red, green and blue sub-pixels of neighboring pixels of the plurality of pixels in order to judge type of the image signals, and drives the data driving portion in different methods according to the type of the image signals.

Abstract: An image stabilizer includes a rotor including a lens assembly, and configured to move perpendicular to an optical axis of light passing through the lens assembly, and a suspension unit configured to support movement of the rotor and to prevent the rotor from moving non-perpendicular to the optical axis of the light passing through the lens assembly. Accordingly, the image stabilizer prevents variance of characteristics of a rotor in a low frequency band according to the position and distortion of phase characteristics in a high frequency band. Therefore, the image stabilizer has consistent operation characteristics regardless of the position, posture, and movement of a person using an image capture device containing the image stabilizer.

Abstract: A liquid crystal display device includes a data transition part to compare a number of transitions between a previous data and a current data to selectively invert the current data and to generate a reverse signal, a memory to store the data from the data transition part and to output the stored data as the previous frame data, a data reverse transition part to reversely convert the data from the memory using the reverse signal, a lookup table to compare the current data and the previous frame data reversely converted by the data reverse transition part to select a modulated data, and a display drive circuit to display the data from the lookup table on a liquid crystal display panel.

Abstract: A control point including a user interface through which at least one file for printing is selected, a communication interface which searches for at least one image forming apparatus using DLNA, a DLNA stack unit which receives device information corresponding to the searched at least one image forming apparatus, an image processor which converts the file for printing to correspond to the image forming apparatus using the device information, a printing job generator which generates printing data regarding the converted file for printing, and a controller which controls the communication interface to transmit the generated printing data to the image forming apparatus.

Abstract: The present invention relates to a bicycle driving apparatus, and more particularly, to a bicycle driving apparatus which enables the forward travel of the bicycle regardless of the forward rotation or reverse rotation of the pedals. The bicycle driving apparatus according to the present invention enables a bicycle to travel in the forward direction not only when a pedal rotates in the forward direction but also when the pedal rotates in the reverse direction.

Abstract: A liquid crystal display device includes a data transition part to compare a number of transitions between a previous data and a current data and to compare a number of transitions between the current data and a next data to determine whether or not the current data is to be inverted in accordance with a comparison result thereof, and to determine whether or not the current data is to be inverted in accordance with a high level number difference of the data, thereby generating a reverse signal when the current data is inverted, a memory to store a data from the data transition part, a data reverse transition part to reversely convert the data from the memory using the reverse signal, a lookup table to compare the current data and the previous frame data reversely converted by the data reverse transition part to select a modulated data and a display drive circuit to display the data from the lookup table on a liquid crystal display panel.

Abstract: An ultrasonic diagnostic probe and a method of manufacturing the same are disclosed. The probe includes a first piezoelectric member having a first thickness, and a second piezoelectric member having a second thickness and stacked on the first piezoelectric member. The method allows the production of several kinds of ultrasonic diagnostic probes, which generate ultrasound waves in different frequency bands, with a single kind of transducer module by changing connection between an external electrode and the electrodes of the probe.

Abstract: A method of processing EPG metadata in a network according to one embodiment of the present invention includes the steps of performing a services discovery procedure utilizing multiple service discovery metadata components supplied by a service provider and processing an EPG metadata.

Abstract: A method uses inter-base station control messages to provide neighbor base station information to mobile subscriber stations in a mobile communication system. The method includes obtaining, at a serving base station, physical channel information of neighbor base stations over a backbone network via, either directly or via a server; periodically transmitting the obtained physical channel information from the serving base station to a mobile subscriber station connected to the serving base station; and measuring, based on the updated physical channel information, signal quality of the at least one neighbor base station at the mobile subscriber station. Thus, the serving base station receives from the neighbor base stations the inter-base station control messages containing the neighbor base station information, updates the information, and provides the updated information to the corresponding mobile subscriber station(s), to be used for a specific purpose such as handover or network entry.