摘要:
There is provided a boost converter capable of reducing internal pressure in elements without the employment of a separate snubber by clamping a voltage, transmitted to the elements, to a charging voltage or an output voltage during power conversion. The boost converter includes a transformer including a primary winding receiving input power and a secondary winding electromagnetically coupled to the primary winding and having a predetermined turns ratio therewith; a switching part allowing the input power transmitted to the primary winding to be on or off according to a predetermined switching duty; a clamping part including a link capacitor charged with the input power obtained when the switching part is switched on, and power transformed based on the predetermined turns ratio; and a stabilizing part stabilizing power outputted from the clamping part.
摘要:
In accordance with the present invention, a multi-output transformer includes a primary bobbin provided with one primary winding unit with one input terminal and one ground terminal; a secondary bobbin provided with n(n: positive integer) number of secondary winding units with two output terminals respectively; a primary coil wound around the one primary winding unit; secondary coils wound around each of the n secondary winding units; and a pair of cores inserted into insertion holes formed inside the primary bobbin and the secondary bobbin respectively to separate the primary bobbin and the secondary bobbin.
摘要:
An apparatus for detecting pattern alignment error includes a first conductive pattern disposed over a first insulation member with a power source applied of the first conductive pattern; a second insulation member for covering the first conductive pattern; a second conductive pattern disposed on the second insulation member; a conductive via connected to the second conductive pattern and passing through the second insulation member; and an insulation pattern disposed in the first conductive pattern for detecting an alignment error in response to a position of the conductive via. The apparatus for detecting pattern alignment error can detect the alignment of lower wiring in a device with multi-layer wiring
摘要:
An apparatus for detecting pattern alignment error includes a first conductive pattern disposed over a first insulation member with a power source applied to the first conductive pattern; a second insulation member for covering the first conductive pattern; a second conductive pattern disposed on the second insulation member; a conductive via connected to the second conductive pattern and passing through the second insulation member; and an insulation pattern disposed in the first conductive pattern for detecting an alignment error in response to a position of the conductive via. The apparatus for detecting pattern alignment error can detect the alignment of lower wiring in a device with multi-layer wiring
摘要:
A method of calculating a delivery operation workload and an apparatus for the same are disclosed. The method includes calculating a route sorting time on the basis of given same-day mail delivery information and delivery point information, calculating a movement time on the basis of the same-day mail delivery information and the delivery point information, calculating a delivery time on the basis of the same-day mail delivery information and the delivery point information, calculating an incidental operation time on the basis of the same-day mail delivery information and the delivery point information, and summing the calculated route sorting time, the movement time, the delivery time, and the incidental operation time, and calculating the delivery operation workload on the basis of processing ability information for each mailman and delivery operation environment information. It is thus possible to more objectively calculate the delivery operation workload.
摘要:
Disclosed is a real time system for integrated home safety management. The real time system for integrated home safety management includes: a plurality of sensors collecting information in the home and confirming energy usage used in the home; an integrated reading unit confirming the energy usage at a predetermined date to generate a first home status information corresponding to the energy usage; a safe management unit confirming, using the information in the home, whether abnormality symptom occurs and generating a second home status information corresponding to the abnormality symptom when the abnormality symptom occurs; and a gateway transmitting at least one of the first and second home status information to an affiliated system.
摘要:
Provided is a system and method for reporting a regulation violation of a vehicle. The system includes a sensor, a competent authority server, a vehicle database, a relay, and a vehicle terminal. The sensor senses the regulation violation of the vehicle. The competent authority server reads sense information received from the sensor, issues a penalty notice, and transmits regulation violation information to the violation vehicle. The vehicle database stores a variety of information relating to the vehicle. The relay wire/wireless connects with the competent authority server and at the same time, wireless connects with the vehicle terminal. The vehicle terminal is installed in the vehicle, and receives the regulation violation information from the competent authority server and transmits the received regulation violation information to a driver.
摘要:
Provided is a portable terminal with a remote control function for improving control convenience when a user controls a control target apparatus. The portable terminal with the remote control function includes a storing part for storing control information, an input/output part for displaying the control information and providing a control event signal, a controller for reading the control information from the storing part, and a remote-control transmitting part for generating a remote control signal to transmit the generated remote control signal to a control target apparatus.
摘要:
Provided is a dielectric ceramic composition comprising: 40-70 wt % of a borosilicate-based glass frit comprising 50-80 mol % of SiO2, 15-20 mol % of B2O3, 0.1-5 mol % of one or more alkali metal oxide selected from Li2O and Na2O, and 0.1-30 mol % of one or more alkaline earth metal oxide selected from MgO, CaO, SrO and ZnO; and 30-60 wt % of a ceramic filler represented by Chemical Formula 1: (Zn1-xMgx)2SiO4 (1) wherein 0≦x≦1. The disclosed low temperature co-fired ceramic (LTCC) composition is sinterable at low temperature, with a relative density of at least 95% in the temperature range of 800-900° C., is capable of minimizing electric loss, with a dielectric constant of 4-7 and a very low dielectric loss, and is applicable from the low-frequency band to the millimeter-wave band of 60 GHz or more.
摘要:
Disclosed herein is a system and method for objectively and efficiently managing a postal delivery operation load. A system for managing a postal delivery operation load includes: a postal delivery operation load calculator for calculating a postal delivery operation load for each postal delivery unit and for each period based on input postal delivery data; a postal delivery operation load calculation result manager for managing the postal delivery operation load for each postal delivery unit based on the postal delivery operation load calculation result provided by the postal delivery operation load calculator; and a postal delivery operation load adjuster for adjusting and leveling the postal delivery operation based on postal delivery operation load management information provided by the postal delivery operation load calculation result manager.