Abstract: A stereoscopic image display device including: a main display panel operable to alternately display a left image and a right image; an auxiliary display panel including first and second substrates having a pixel part corresponding to that of the main display panel and a sub-liquid crystal layer formed between the first and second substrates, and positioned in front of the main display panel to change polarization information of an incident left or right image; a plurality of first electrodes patterned on the first substrate along the rows of pixels formed on the main display panel; a second electrode formed on a front surface of the pixel part of the second substrate; and a light source to supply light to the rear side of the main display panel. Both a 3D vertical viewing angle and 2D luminance in a glass-type 2D display can be improved.

Abstract: A stereoscopic image display device including: a main display panel operable to alternately display a left image and a right image; an auxiliary display panel including first and second substrates having a pixel part corresponding to that of the main display panel and a sub-liquid crystal layer formed between the first and second substrates, and positioned in front of the main display panel to change polarization information of an incident left or right image; a plurality of first electrodes patterned on the first substrate along the rows of pixels formed on the main display panel; a second electrode formed on a front surface of the pixel part of the second substrate; and a light source to supply light to the rear side of the main display panel. Both a 3D vertical viewing angle and 2D luminance in a glass-type 2D display can be improved.

Abstract: A suspension system for a vehicle includes a housing; a damper part disposed within the housing and to extend through the housing; a transfer part surrounding the damper part and coupled to the damper part; a damper mount coupled to the transfer part, and disposed between an inner wall of the housing and the transfer part and configured to absorb vibration of the transfer part; a fixing part stacked over the damper mount and fixed to the inner wall of the housing; and an anti-leakage part coupled to the fixing part and configured to prevent an air leakage between the fixing part and the damper mount.

Abstract: The present invention relates to an ear device for fixing an earphone, comprising: a fixing body which is formed in the shape of a C-shaped ring so as to be worn on and fixed to an auricle while surrounding the rear part of the auricle; an earphone module, positioned in a groove in the front part of the auricle, for transferring sound to an ear hole; and a support connector which extends in the shape of a ring that traverses a user's auricle from one portion of the fixing body to the earphone module, the support connector being formed of an elastic body or flexible metal so as to, according to deformation of the support connector, enable the fixing body and the earphone module to be separated from each other or to approach each other so that the fixing body and the earphone module are engaged with and fixed to each other on the auricle.

Abstract: An electronic device is provided. The electronic device includes a first antenna for a first band and a second band, a second antenna for the second band and a third band and a pre-processing unit configured to generate, based on identifying a frequency band of a first signal received via the first antenna and a frequency band of a second signal received via the second antenna are the second band, a pre-processed signal by combining the first signal and the second signal based on a ratio of a weight factor, and to transmit the pre-processed signal to a first radio frequency (RF) receiver.

Abstract: The present invention relates to an ear instrument to which various instruments and accessories can be fixed, the ear instrument enabling a user to fix an earphone device thereto such that the user can listen to outside sounds even when listening to music or the like while performing various tasks, thereby preventing accidents in advance and enabling various accessories and apparatuses to be simultaneously used and replaced according to the style of the user or the environment.

Abstract: A parallel output linear amplifier is provided that includes a transconductance amplifier configured to receive an analog input signal from an input terminal and amplify the analog input signal. The parallel output linear amplifier also includes a first pre-amplifier connected to the transconductance amplifier and operated using a floating drive voltage, and a cascode class AB amplifier connected to the first pre-amplifier and configured to provide an amplified signal to an output terminal. The parallel output linear amplifier further includes a second pre-amplifier configured connected to the transconductance amplifier and operated using the floating drive voltage, and a cascade class AB amplifier connected to the second pre-amplifier and configured to provide an amplified signal to the output terminal.

Abstract: An apparatus for reducing windage loss of steam turbines according to an embodiment of the present disclosure is to reduce or minimize damage to a blade caused by a rise in temperature at an outlet stage of a high-pressure turbine.

Abstract: The present disclosure provides an ear-mounted sound-output device with a position-adjustable sound-output unit, wherein the ear-mounted sound-output device comprises: a ‘C’ shaped body; a first connection cable; a sound-output unit coupled to one end of the first connection cable, wherein the body is stretched via application of an external force thereto, to allow the outer ear of the user to be inserted between both ends of the body, and the body is secured around the outer ear with the body being restored via withdrawal of the external force, wherein the first connection cable is configured to move through the accommodation space and the hollow portion depending on a usage environment of the device.

Abstract: The present disclosure provides an ear-mounted sound-output device with a position-adjustable sound-output unit, wherein the ear-mounted sound-output device comprises: a ‘C’ shaped body; a first connection cable; a sound-output unit coupled to one end of the first connection cable, wherein the body is stretched via application of an external force thereto, to allow the outer ear of the user to be inserted between both ends of the body, and the body is secured around the outer ear with the body being restored via withdrawal of the external force, wherein the first connection cable is configured to move through the accommodation space and the hollow portion depending on a usage environment of the device.

Abstract: The present invention relates to an electromagnetic wave shielding sheet for an antenna, to a method for manufacturing same, to an antenna comprising same, and to a battery pack for a portable terminal having said antenna. The method for manufacturing the electromagnetic wave shielding sheet for the antenna may reduce a frequency variation, provide a heat-dissipating function, and prevent peel-off. The method comprises: a step of preparing a ferrite sheet; and step of placing a heat-dissipating layer on one side of the ferrite sheet. The present invention has advantages in that the adhesive forces of the ferrite sheet and the heat-dissipating layer are excellent and the heat-dissipating effects are excellent, the electromagnetic wave shielding sheet can be applied to various antenna products, and the frequency variation can be reduced when the antenna having the electromagnetic wave shielding sheet is mounted on the battery pack.

Abstract: Provided is an electric shock protection device disposed between a human body contactable conductor and an internal circuit unit of an electronic device. The electric shock protection device includes: a sintered body where a plurality of sheet layers stacked; an electric shock protection unit including at least one pair of inner electrodes disposed spaced a predetermined interval apart from each other inside the sintered body and a pore disposed between the inner electrodes; and at least one capacitor layer configured to pass communication signals flowing from the conductor.

Abstract: Provided is an electric shock protection device disposed between a human body contactable conductor and an internal circuit unit of an electronic device. The electric shock protection device includes: a sintered body where a plurality of sheet layers stacked; an electric shock protection unit including at least one pair of inner electrodes disposed spaced a predetermined interval apart from each other inside the sintered body and a pore disposed between the inner electrodes; and at least one capacitor layer configured to pass communication signals flowing from the conductor.

Abstract: An electrical fire early detection device and method for early detection of an electrical fire in a metal container are disclosed. The device includes an upper sensor that detects a concentration of a gas in an upper portion of the metal container; a lower sensor that detects a concentration of the gas in a lower portion of the metal container; and a controller that determines whether there is an electrical fire or not on the basis of the concentrations of the gas in the upper and lower portions of the metal container and a critical value representing an index of a gas fire. The device and method detect BHT gas, generated due to heat transferred to a themoplastic plastic material, as a target gas.

Abstract: An apparatus for and method of a supply modulator (SM) for a power amplifier (PA) is provided. The apparatus includes a buck-boost converter, including a supply input connected to a battery voltage (Vbat), and an output; and a buck converter, including a supply input connected to Vbat, an input connected to the output of the buck-boost converter, and an output.

Abstract: An apparatus for and method of a supply modulator (SM) for a power amplifier (PA) is provided. The apparatus includes a buck-boost converter, including a supply input connected to a battery voltage (Vbat), and an output; a switch and capacitors module, including a first input connected to the output of the buck-boost converter, and a second input; a buck (dual) converter, including a supply input connected to Vbat, an input connected to the output of the buck-boost converter, and an output connected to the second input of the switch and capacitors module; a linear amplifier (LA), including a supply input connected to the output of the buck-boost converter, an input, and an output connected to the second input of the switch and capacitors module; and the PA, including a supply input connected to the output of the buck (dual converter, an input for receiving a radio frequency (RF) signal, and an output for outputting an RF signal.

Abstract: An apparatus for and method of a supply modulator (SM) for a power amplifier (PA) is provided. The apparatus includes a buck-boost converter, including a supply input connected to a battery voltage (Vbat), and an output; a switch and capacitors module, including a first input connected to the output of the buck-boost converter, and a second input; a buck (dual) converter, including a supply input connected to Vbat, an input connected to the output of the buck-boost converter, and an output connected to the second input of the switch and capacitors module; a linear amplifier (LA), including a supply input connected to the output of the buck-boost converter, an input, and an output connected to the second input of the switch and capacitors module; and the PA, including a supply input connected to the output of the buck (dual converter, an input for receiving a radio frequency (RF) signal, and an output for outputting an RF signal.

Abstract: A transmitter in a wireless communication system is provided. The transmitter includes a baseband signal processor for detecting an envelope signal, a supply modulator (SM) for producing power to be supplied to a power amplifier using the detected envelope signal, and the power amplifier for receiving voltage from the SM and for amplifying power of a transmit signal. The SM generates a compensation signal corresponding to switching noise generated via switching amplification, and adds the compensation signal and the switching noise. The amplifier of the wireless communication system can produce low switching noise, and the envelope tracking power amplifier can prevent reception degradation due to the noise of the supply modulator.

Abstract: A polyhedral module device includes a body having multiple outer faces; a plurality of outer electrical contacts on at least one outer face of the body; an internal circuit mount disposed in the body; a specific-purpose internal circuit mounted on the mount; a switch network disposed in the body, the network having a plurality of switches, connections between the plurality of switches in the network being flexible; and a switch controller configured to change the connections between the plurality of switches, wherein the change of the connections between the plurality of switches by the switch controller changes connection paths between the outer electrical contacts and the internal circuit.

Abstract: A negative electrode active material for a lithium secondary battery according to an exemplary embodiment of the present invention includes an alloy including silicon (Si), copper (cu), and aluminum (Al) of 40 to 70 at %, wherein the ratio of aluminum (Al) to copper (Cu) included in the alloy is substantailly 10:90 to 30:70, and the alloy further includes iron (Fe), and further includes zirconium (Zr) or titanium (Ti).