Abstract: The present invention relates to a wire rope diagnostic device that is capable of being fastened or unfastened by means of battery packs, and more specifically, to a wire rope diagnostic device for performing safety diagnosis of a wire rope used for a lifting device such as a crane, an elevator, a water gate, and the like in real time that is capable of being fixedly fastened by means of battery packs so that it can be simply installed and separated and allow the battery packs to be easily exchanged.

Abstract: Provided is a method and system for collecting sensor data using a data channel and a control channel. The method and system construct an appropriate and efficient communication environment when there are several sensors corresponding to one gateway in order to collect measured data from the sensors, by using a separate control channel for general control communication and a data channel for data communication to transmit data after confirming whether the data channel is available through the control channel in the communication between a gateway and sensors.

Abstract: Provided is an alloy steel manufacturing method, the method including: preparing a manganese-containing first molten ferroalloy; preparing a chromium-containing second molten alloy; preparing molten steel; mixing the first molten ferroalloy and the second molten ferroalloy to manufacture third molten ferroalloy; and mix pouring the third molten ferroalloy and the molten steel to manufacture an alloy steel, wherein the phosphorous concentration in the molten steel may efficiently be controlled by reducing the converter end point temperature of the molten steel to improve a phosphorous control capacity during converter refining.

Abstract: The present invention relates to a wire rope diagnostic device that is capable of being fastened or unfastened by means of battery packs, and more specifically, to a wire rope diagnostic device for performing safety diagnosis of a wire rope used for a lifting device such as a crane, an elevator, a water gate, and the like in real time that is capable of being fixedly fastened by means of battery packs so that it can be simply installed and separated and allow the battery packs to be easily exchanged.

Abstract: Provided is a method and system for collecting sensor data using a data channel and a control channel. The method and system construct an appropriate and efficient communication environment when there are several sensors corresponding to one gateway in order to collect measured data from the sensors, by using a separate control channel for general control communication and a data channel for data communication to transmit data after confirming whether the data channel is available through the control channel in the communication between a gateway and sensors.

Abstract: Provided is an alloy steel manufacturing method, the method including: preparing a manganese-containing first molten ferroalloy; preparing a chromium-containing second molten alloy; preparing molten steel; mixing the first molten ferroalloy and the second molten ferroalloy to manufacture third molten ferroalloy; and mix pouring the third molten ferroalloy and the molten steel to manufacture an alloy steel, wherein the phosphorous concentration in the molten steel may efficiently be controlled by reducing the converter end point temperature of the molten steel to improve a phosphorous control capacity during converter refining.

Abstract: An electronic device is provided that includes an antenna configured to receive a first signal and transmit a second signal. The electronic device also includes a transceiver configured to perform frequency conversion of the first signal and the second signal. The electronic device further includes a coupler path configured to transmit the second signal to the transceiver via a coupler, and a receive path configured to transmit the first signal, obtained from the antenna, to the transceiver. The electronic device also includes a switching unit configured to be connected with the transceiver and switch between the coupler path and the receive path.

Abstract: Disclosed in an embodiment is a light emitting device comprising: a light-emitting structure having a first semiconductor layer, an active layer under the first semiconductor layer, and a second semiconductor layer under the active layer; a first contact layer disposed under the light-emitting structure; a reflective layer disposed under the first contact layer; a first electrode layer including a capping layer disposed under the reflective layer; a second electrode layer electrically connected with the first semiconductor layer; a protective layer disposed at the outer peripheral portion between the capping layer and the light-emitting structure; a barrier layer at an outer side of the reflective layer and made of a metal different from that of the reflective layer; and a support member disposed under the capping layer.

Abstract: Disclosed is a method of operating an electronic device to transmit an RF signal. The method includes: selecting output power of a PA included in the electronic device, which is required when a signal is transmitted through an antenna included in the electronic device; determining input power of the PA corresponding to the output power of the PA by using at least one of a first data point, a second data point, or a plurality of data points stored in a memory included in the electronic device; and controlling output power of an RF transmission circuit included in the electronic device based on the input power, wherein the plurality of data points are generated by being linearly interpolated between the first data point and the second data point. Various embodiments are possible.

Abstract: A semiconductor device package and a lighting device including a semiconductor device package are provided. The semiconductor device package may include a substrate, a first electrode module provided on the substrate, a light emitting device provided in a first region of the first electrode module, a second electrode module electrically disconnected from the first electrode module and provided on the substrate, and an insulating reflection layer provided on a circumference of the light emitting device between the first electrode module and the second electrode module and having a polygonal shape.

Abstract: Disclosed in an embodiment is a light emitting device comprising: a light-emitting structure having a first semiconductor layer, an active layer under the first semiconductor layer, and a second semiconductor layer under the active layer; a first contact layer disposed under the light-emitting structure; a reflective layer disposed under the first contact layer; a first electrode layer including a capping layer disposed under the reflective layer; a second electrode layer electrically connected with the first semiconductor layer; a protective layer disposed at the outer peripheral portion between the capping layer and the light-emitting structure; a barrier layer at an outer side of the reflective layer and made of a metal different from that of the reflective layer; and a support member disposed under the capping layer.

Abstract: An electronic device is provided that includes an antenna configured to receive a first signal and transmit a second signal. The electronic device also includes a transceiver configured to perform frequency conversion of the first signal and the second signal. The electronic device further includes a coupler path configured to transmit the second signal to the transceiver via a coupler, and a receive path configured to transmit the first signal, obtained from the antenna, to the transceiver. The electronic device also includes a switching unit configured to be connected with the transceiver and switch between the coupler path and the receive path.

Abstract: A semiconductor device package and a lighting device including a semiconductor device package are provided. The semiconductor device package may include a substrate, a first electrode module provided on the substrate, a light emitting device provided in a first region of the first electrode module, a second electrode module electrically disconnected from the first electrode module and provided on the substrate, and an insulating reflection layer provided on a circumference of the light emitting device between the first electrode module and the second electrode module and having a polygonal shape.

Abstract: A method for operating an electronic device for transmission of a radio frequency (RF) signal includes selecting output power of a power amplifier (PA) required upon transmission of a signal with a second frequency through an antenna, determining a first PA operation voltage corresponding to the selected output power using first information stored in a memory of the electronic device and second information regarding a PA operation voltage corresponding to first output power of the PA at the second frequency, supplying the determined first PA operation voltage to the PA, and supplying input power corresponding to the selected output power at the second frequency to the PA. Other various embodiments are possible.

Abstract: A method for operating an electronic device for transmission of a radio frequency (RF) signal includes selecting output power of a power amplifier (PA) required upon transmission of a signal with a second frequency through an antenna, determining a first PA operation voltage corresponding to the selected output power using first information stored in a memory of the electronic device and second information regarding a PA operation voltage corresponding to first output power of the PA at the second frequency, supplying the determined first PA operation voltage to the PA, and supplying input power corresponding to the selected output power at the second frequency to the PA. Other various embodiments are possible.

Abstract: Disclosed is a method of operating an electronic device to transmit an RF signal. The method includes: selecting output power of a PA included in the electronic device, which is required when a signal is transmitted through an antenna included in the electronic device; determining input power of the PA corresponding to the output power of the PA by using at least one of a first data point, a second data point, or a plurality of data points stored in a memory included in the electronic device; and controlling output power of an RF transmission circuit included in the electronic device based on the input power, wherein the plurality of data points are generated by being linearly interpolated between the first data point and the second data point. Various embodiments are possible.

Abstract: An apparatus of a power amplifier is provided. The apparatus includes an input boosting circuit configured to match a second harmonic input signal using a harmonic control circuit of an input stage to maximize an efficiency and an output power, a die cell configured to receive and amplify an output signal of the input boosting circuit, and an output boosting circuit configured to receive an output signal of the die cell and to match a second harmonic output signal of the output signal of the die cell using a harmonic control circuit of an output stage to maximize the efficiency and the output power.

Abstract: An apparatus of a power amplifier is provided. The apparatus includes an input boosting circuit configured to match a second harmonic input signal using a harmonic control circuit of an input stage to maximize an efficiency and an output power, a die cell configured to receive and amplify an output signal of the input boosting circuit, and an output boosting circuit configured to receive an output signal of the die cell and to match a second harmonic output signal of the output signal of the die cell using a harmonic control circuit of an output stage to maximize the efficiency and the output power.

Abstract: An apparatus for improving the security of a portable communication terminal includes: a security card having a plurality of projections provided in a predetermined projection form that is capable of identifying a user; and an authentication managing unit for analyzing the projection form, which is detected through a touch input of the security card, and performing an authentication process using the analyzed outcome.