Abstract:
The present invention relates to a method for controlling handoff of a mobile terminal, and more specifically, to a method for controlling handoff of a mobile terminal in an IEEE 802.22 wireless regional area network (WRAN) communication standard for defining communication of a fixed terminal which uses a frequency band that is not regionally used among television broadcasting frequency bands.
Abstract:
Provided is a substrate for sensing voltage and temperature of battery cells, and more particularly, a substrate for sensing battery cells firmly fixed to the battery cells by a clip coupling method and easily detached and attached therefrom.
Abstract:
The present invention pertains to a razor, which includes: a gripping section combined with a housing; a head section coupled at one side of the housing; a razor blade cartridge mounted at a front surface of an upper end of the head section; and an eccentric cam module, which moves the razor blade cartridge to reciprocate in a cutting direction.
Abstract:
A display device includes: a first insulating substrate; a main pixel which is formed on the first insulating substrate and comprises a plurality of sub-pixels and a single sensing electrode; a second insulating substrate which faces the first insulating substrate; a sensing spacer formed on the second insulating substrate which faces the sensing electrode; and a contact electrode formed on the sensing spacer.
Abstract:
A process and apparatus for separating an olefin from mixed gases containing light olefins is provided. The process includes adsorbing the olefin of an olefin-containing mixed gas in an adsorption column packed with an adsorbent selectively adsorbing the olefin; discharging gases other than the olefin through the outlet of the adsorption column; desorbing the adsorbed olefin by displacement using a desorbent, and separating the olefin from the desorbent, thereby producing a high-purity olefin. The apparatus includes adsorption columns packed with an adsorbent selectively adsorbing an olefin, and at least two distillation columns for separating an olefin/desorbent mixture and an olefin poor stream/desorbent into their components. If the olefin concentration of the off-gas from an olefin rinse step is higher than that of a raw material gas, recovering the olefin from the off-gas is carried out before or after the adsorption step.
Abstract:
A semiconductor device includes a first capacitor structure, a second capacitor structure, and an insulation pattern. The first capacitor structure includes a first lower electrode, a first dielectric layer and a first upper electrode sequentially stacked on a substrate. The second capacitor structure includes a second lower electrode, a second dielectric layer and a second upper electrode sequentially stacked on the substrate, and is adjacent to the first capacitor structure. The insulation pattern partially fills a space between the first and second capacitor structures, and an air gap is formed between the first and second capacitor structures on the insulation pattern.
Abstract:
An apparatus and a method stabilize a charging current when recharging a battery in a device that uses a rechargeable battery. The device includes a charge module and a controller. The charge module provides a charging current to the battery, and operates in at least one of a Constant Current (CC) mode that maintains the charging current at a fixed value while the battery is charged, and a Constant Voltage (CV) mode that maintains a battery voltage at a reference value. The controller controls the charge module to operate in the CC mode when starting charging, controls the charge module to operate in the CV mode when the battery voltage reaches the reference value, and controls the charge module to operate in the CC mode for at least one time duration after the battery voltage reaches the reference value.
Abstract:
A communication system and a method of transmitting and/or receiving data in the communication system are provided. A method of transmitting media data of a camera to a user terminal in a communication environment in which the camera connected to a first network and the user terminal connected to a third network are connected to a second network includes: obtaining second address information of the second network that corresponds to first address information of the first network, from an address conversion apparatus; obtaining third address information of the second network from an address providing apparatus connected to the second network; transmitting the first through third address information to the user terminal through a session control server connected to the second network; and transmitting the media data to the user terminal based on at least one of the first through third address information.
Abstract:
A three-dimensional (“3D”) image display includes a signal controller which receives two-dimensional (“2D”) image information and 3D image information and generates control signals based on the 2D image information and the 3D image information, a clock generator which receives the control signals from the signal controller and generates a first clock signal corresponding to the 3D image information and a second clock signal corresponding to the 2D image information, and a gate driver which generates a gate-on voltage based on at least one of the first clock signal and the second clock signal, where a frequency of the second clock signal is lower than a frequency of the first clock signal and an amplitude of the second clock signal is less than an amplitude of the first clock signal.
Abstract:
A digital polar modulator (DPM) for transforming a baseband signal into a modulated digital modulator output signal comprises an input unit and two low-pass delta-sigma modulators, a first one being connected downstream from the first input part and configured to provide at its output a first pulse train in dependence on an amplitude- modulating baseband signal component, and a second one being connected downstream from the second input part and configured to provide at its output a multilevel quantized signal in dependence on a phase modulating baseband signal component; a multiphase generator, which is configured to provide a set of square-wave carrier signals having a common carrier frequency and exhibiting discrete phase shifts with respect to each other; a multiplexer, which is configured to provide a multiplexer output signal that is formed by switching, in dependence on a signal received at a select input as a function of time, between selected ones of the carrier signals; and a combiner unit.