Abstract:
Disclosed is an antenna matching device of a folder type portable wireless terminal with a built-in antenna. In the antenna matching device, a π-type matching circuit is connected between an built-in antenna and a duplexer, one end of a passive element is shunted between the π-type matching circuit and the duplexer, and an active element opens or connects the other end of the passive element to ground according to the opening or closing of a folder of the terminal. The antenna matching device lowers antenna impedance difference between the opened and closed states of the folder, such that the terminal can constantly maintain its radiation performance, such as VSWR and resonant frequency, regardless of the opened or closed position of the folder.
Abstract:
An ultrasound diagnostic apparatus to improve picture quality of images by automatically adjusting image parameters, and a control method thereof are provided. The ultrasound diagnostic apparatus includes an image signal processor to perform envelope detection processing on ultrasound image data, and an image parameter processor to calculate a Time Gain Compensation (TGC) parameter from the envelope detection processed ultrasound image data, adjust the envelope detection processed ultrasound image data based on the TGC parameter, and calculate a Dynamic Range (DR) parameter from the envelope detection processed ultrasound image data adjusted based on the TGC parameter to apply the DR parameter to the envelope detection processed ultrasound image data.
Abstract:
A probe apparatus for ultrasound diagnostic imaging associates with a mmWave-based Personal Basic Service Set (PBSS), performs pairing with an ultrasonic imaging apparatus, and transmits an echo signal received via a transducer portion of the probe, to the ultrasonic imaging apparatus using a signal channel in a 60 GHz frequency band, thereby obviating the need for a data transmission cable and greatly reducing operator inconvenience.
Abstract:
A reinforcement device for compression buckling strength and a method of fastening the same are disclosed. The reinforcement device includes a member seating body surrounding an angle-type steel-frame member, first and second securing couplers securing opposite ends of the angle-type steel-frame member and opposite ends of the member seating body and adjustable to meet a standard of the angle-type steel-frame member, a horizontal engaging element connecting the first and second securing couplers with each other, a supporter positioned in a space where the angle-type steel-frame to member forms a right angle and supporting the angle-type steel-frame member, and a reinforcing bar connecting the supporter and the horizontal engaging element. The reinforcement device prevents an angle-type steel-frame member for a steel-frame structure or a steel power-transmission tower from undergoing compression buckling and accidental eccentricity, and improves compression buckling strength without power interruption of transmission lines, member disassembly, or field preparation.
Abstract:
Disclosed is a built-in antenna module for a portable wireless terminal, in which an antenna carrier allows a distance between a radiator and a mainboard. In the built-in antenna module, the antenna carrier includes a plate type junction panel to which the radiator is fixed, an outer barrier rib extending along an edge of the junction panel with a uniform height, and at least one compartment barrier rib for dividing a space formed by the junction panel and the outer barrier rib. The antenna carrier accommodates a speaker and a vibrator at the space formed by junction panel and the outer barrier rib, such that additional installation spaces for the speaker and the vibrator are not required and thereby the portable wireless terminal comes to be slim, lightweight, and simple.
Abstract:
Disclosed is an antenna matching device of a folder type portable wireless terminal with a built-in antenna. In the antenna matching device, a π-type matching circuit is connected between an built-in antenna and a duplexer, one end of a passive element is shunted between the π-type matching circuit and the duplexer, and an active element opens or connects the other end of the passive element to ground according to the opening or closing of a folder of the terminal. The antenna matching device lowers antenna impedance difference between the opened and closed states of the folder, such that the terminal can constantly maintain its radiation performance, such as VSWR and resonant frequency, regardless of the opened or closed position of the folder.
Abstract:
Disclosed is a built-in antenna module for a portable wireless terminal, in which an antenna carrier allows a distance between a radiator and a mainboard. In the built-in antenna module, the antenna carrier includes a plate type junction panel to which the radiator is fixed, an outer barrier rib extending along an edge of the junction panel with a uniform height, and at least one compartment barrier rib for dividing a space formed by the junction panel and the outer barrier rib. The antenna carrier accommodates a speaker and a vibrator at the space formed by junction panel and the outer barrier rib, such that additional installation spaces for the speaker and the vibrator are not required and thereby the portable wireless terminal comes to be slim, lightweight, and simple.
Abstract:
An ultrasonic diagnostic apparatus that performs an image signal generating operation with respect to an ultrasound signal transmitted to and reflected from a target through a host computer and a control method thereof are provided. The ultrasonic diagnostic apparatus includes a probe including at least one transducer to transmit an ultrasound signal to a target, to receive the ultrasound signal reflected from the target, and to transduce the received ultrasound signal into an analog signal, an analog-to-digital (A/D) converter to convert the analog signal output from the probe into a digital signal, a compression unit to compress the digital signal output from the A/D converter, and a host computer to decompress the digital signal compressed by the compression unit and to perform beamforming.
Abstract translation:本发明提供一种超声波诊断装置及其控制方法,该超声波诊断装置对通过主计算机发送到目标物体的反射的超声波信号进行图像信号生成动作。 超声波诊断装置包括:探头,包括至少一个换能器,用于向目标发射超声信号,以接收从目标反射的超声信号,并将所接收的超声波信号转换成模拟信号,模数( A / D)转换器将从探头输出的模拟信号转换为数字信号,压缩单元压缩从A / D转换器输出的数字信号,以及主计算机对由压缩单元压缩的数字信号进行解压缩,以及 执行波束成形。
Abstract:
A reinforcement device for a lateral buckling stress installed on an angle-type steel member so as to be attachable and detachable therefrom without power-off of a power line tower, preparation and disassembly of members in order to prevent lateral buckling and accidental torsion. The reinforcement device includes an accommodation unit for surrounding a steel member, first and second cover units connected to the accommodation unit and formed to cover the steel member, and a fixation member for fixing the first and second cover units.
Abstract:
An ultrasound diagnostic apparatus to improve picture quality of images by automatically adjusting image parameters, and a control method thereof are provided. The ultrasound diagnostic apparatus includes an image signal processor to perform envelope detection processing on ultrasound image data, and an image parameter processor to calculate a Time Gain Compensation (TGC) parameter from the envelope detection processed ultrasound image data, adjust the envelope detection processed ultrasound image data based on the TGC parameter, and calculate a Dynamic Range (DR) parameter from the envelope detection processed ultrasound image data adjusted based on the TGC parameter to apply the DR parameter to the envelope detection processed ultrasound image data.