Patent application number | Description | Published |
20090051618 | MULTIPLE INPUT MULTIPLE OUTPUT (MIMO) ANTENNA SYSTEM ADAPTABLE FOR ENVIRONMENTAL MULTIPLICITY - A Multiple Input Multiple Output (MIMO) antenna system adaptable to an environmental multiplicity is provided. A MIMO antenna system includes a first antenna element, a second antenna element, a receiver for receiving at least one of different polarized signals through the first antenna element, a channel estimator for estimating a channel using a signal received via the receiver and a signal received via the second antenna element, and a correlation comparator for controlling the receiver to receive a specific polarized signal according to a correlation calculated from the estimated channel. | 02-26-2009 |
20090066603 | ANTENNA HAVING PARASITIC ELEMENT - An antenna having a parasitic element is disclosed, the antenna including a ground, a radiation unit which is arranged on a different area of the same plane as the ground, and a parasitic element which is selectively connected to the ground, and operates as an antenna element. Where the antenna is in a first mode, electromagnetic waves resonate in the radiation unit, and where the antenna is in a second mode, electromagnetic waves resonate in the radiation unit and the parasitic element. | 03-12-2009 |
20100045557 | ANTENNA APPARATUS - An antenna apparatus that may be adapted to various environments. The antenna apparatus includes a radiation unit to transmit and receive in a 360° radius including a plurality of radiators, each radiator configured to radiate a main emission pattern in different direction; and a switch unit configured to selectively operate each of the plurality of radiators. | 02-25-2010 |
20100060597 | METHOD AND APPARATUS FOR DISPLAYING AND SELECTING ICONS ON A TOUCH SCREEN - A touch screen including a display unit configured to display a plurality of icons. The touch screen may include a detection unit configured to detect a touch in one of a plurality of touch detection regions of the display unit wherein the touch detection regions comprise an icon portion on which one icon of the plurality of icons is displayed, and an adjacent portion which is adjacent to the icon portion. The touch screen may further include a control unit electrically connected to the display unit and the detection unit, the control unit configured to control display operations of the display unit, and configured to identify based on a received signal from the detection unit which touch detection region is touched and which one icon is displayed in the touched detection region. | 03-11-2010 |
20110175792 | APPARATUS FOR MULTIPLE ANTENNAS IN WIRELESS COMMUNICATION SYSTEM - An apparatus for multiple antennas having a low coupling coefficient in a wide frequency bandwidth in a wireless communication system is provided. To obtain the low coupling coefficient in the wide frequency bandwidth by minimizing interference between antennas which are close to each other, without an additional device, in the wireless communication system, the apparatus includes a transceiver and a line for decreasing a coupling coefficient. The transmitter includes a first antenna and a second antenna for transmitting and receiving signals over a radio channel and the line is indirectly connected the first antenna and the second antenna using a physically disconnected line. | 07-21-2011 |
20110267245 | MULTIPLE-INPUT MULTIPLE-OUTPUT ANTENNA SYSTEM - A Multiple-Input Multiple-Output (MIMO) antenna system with multiple antennas is provided. The MIMO antenna system includes a number of conductive elements, and a number of band stop devices. The conductive elements are spaced apart from each other and operate in corresponding resonant frequency bands respectively when they receive electric power. When the conductive elements are operated, the band stop devices block interference between the conductive elements in the resonant frequency bands, and isolate the conductive elements from each other. The band stop devices are located between adjacently separate conductive elements and connect the conductive elements to each other. The MIMO antenna system can stop interference between the conductive elements via the band stop devices, thereby increasing the operational efficiency of the conductive elements. | 11-03-2011 |
20130050026 | ANTENNA DEVICE OF A MOBILE TERMINAL - An antenna device of a mobile terminal having improved performance by utilizing a metal object located in proximity to the antenna device as an antenna radiator is provided. The antenna device includes an antenna pattern connected to a feeder and a ground line, and a metal component positioned on the antenna pattern and including a metal that forms an antenna radiator. | 02-28-2013 |
20130050052 | MIMO ANTENNA AND COMMUNICATION DEVICE USING THE SAME - A multiple-input multiple-output (MIMO) antenna and a communication device using the same is provided. The MIMO antenna includes a plurality of antenna elements in which a feeding unit is formed at one end, and another end is connected to a ground, and a connection unit which connects the antenna elements. | 02-28-2013 |
20140132460 | ANTENNA APPARATUS FOR PORTABLE TERMINAL - A portable terminal is provided. The portable terminal includes a main housing, a sub housing, a mainboard, and an electric connector. The main housing has a first antenna radiator. The sub housing is separable from the main housing and has a second antenna radiator. The mainboard is disposed in the main housing and processes a radio signal. The electric connector is disposed in the main housing. When the sub housing and the main housing are separated from each other, the electric connector electrically connects the mainboard with the first antenna radiator of the main housing. When the sub housing and the main housing are coupled, the electric connector electrically connects the mainboard with the second antenna radiator of the sub housing. | 05-15-2014 |
20150054701 | ELECTRONIC DEVICE AND METHOD OF OPERATING THE SAME - An electronic device including a processor and an antenna device is provided. The antenna device includes a power feeding unit, a first radiation section connected to the power feeding unit, and a switching element including a first terminal electrically connected to first portion of the first radiation section, and a second terminal electrically connected to a second portion of the first radiation section. The processor uses a first resonance frequency band when the switching element is opened and uses a second resonance frequency which is different from the first when the switching element is closed. | 02-26-2015 |