Patent application number | Description | Published |
20110149983 | AMI GATEWAY APPARATUS FOR PROCESSING LARGE AMI DATA AND VARIOUS APPLICATION PROFILES AND METHOD THEREOF - Provided are an AMI gateway apparatus and method for processing large AMI data and an application profile. The AMI gateway apparatus and method are associated with collecting meter data of smart meters measuring the amount of electricity or the like and transmitting the meter data to an AMI server. Disclosed is a method of reducing an ID type and a method of minimizing meter data to reduce the transmission rate of large AMI data including an ID value and meter data. A method of setting a gateway ID value according to locations and zones is also provided. Those three methods achieve the efficient transmission of large AMI data to an AMI server and is applicable to various gateway apparatuses processing various application profiles such as an HA profile controlling and sensing home appliances, an SE profile providing an AMI service, a TA profile providing mobile services or the like. | 06-23-2011 |
20120086603 | METHOD AND APPARATUS FOR ADJUSTING HORIZONTAL BEAM OF OMNI-DIRECTIONS ANTENNA - A horizontal beam adjusting method and apparatus for an omni-directional antenna are provided. The horizontal beam adjusting apparatus may generate a switch control signal according to an inclination of the omni-directional antenna, and adjust a radiation direction of the omni-directional antenna according to the switch control signal. Accordingly, the adjusted radiation direction may have horizontal omni-directionality with respect to a ground surface. | 04-12-2012 |
20120089373 | APPARATUS AND METHOD FOR CONTROLLING SENSOR NODE USING VIBRATION SENSOR AND MAGNETIC SENSOR - An apparatus and method for controlling a sensor node are provided that may calculate an azimuth angle and a slope of the sensor node using a 2-axis magnetic sensor and a 3-axis acceleration sensor, and may detect a target approaching the sensor node. The apparatus may include a calculation unit to calculate an azimuth angle and a slope of a sensor node, based on a magnetic values measured by a 2-axis magnetic sensor and a acceleration values measured by a 3-axis acceleration sensor; a sensor control unit to filter the magnetic values and the vibration values and to amplify the filtered magnetic values and the filtered vibration values, when the azimuth angle and the slope are calculated; and a detection unit to detect a target based on the amplified magnetic values and the amplified vibration values. | 04-12-2012 |
20130176122 | APPARATUS AND METHOD FOR PROCESSING SENSOR SIGNAL - A sensor signal processing apparatus receives a sensor signal from a sensor in order to detect an object, determines whether an object exists from the received sensor signal, and if an object exists, the sensor signal processing apparatus generates an alarm signal, and it removes an alarm signal corresponding to a false alarm signal from the alarm signal based on at least one of a length and energy of the alarm signal. | 07-11-2013 |
Patent application number | Description | Published |
20110031817 | RECTIFYING ANTENNA ARRAY - A rectifying antenna array includes a plurality of rectifying antennas connected in parallel. Each of the rectifying antennas includes a reception-side antenna receiving AC power through magnetic induction with a reception-side resonant antenna of a resonant wireless power receiver and a rectifier diode connected to the reception-side antenna and converting the AC power into DC power. | 02-10-2011 |
20110058764 | ELECTRO-OPTIC MODULATING DEVICE - Provided is an electro-optic modulating device. The electro-optic modulating device includes an optical waveguide with a vertical structure and sidewalls of the vertical structure are used to configure a junction. | 03-10-2011 |
20120098057 | SEMICONDUCTOR DEVICE AND METHOD OF FABRICATING THE SAME - Provided are a semiconductor device and a method of fabricating the same. The method includes: forming a trench in a semiconductor substrate of a first conductive type; forming a trench dopant containing layer including a dopant of a second conductive type on a sidewall and a bottom surface of the trench; forming a doping region by diffusing the dopant in the trench dopant containing layer into the semiconductor substrate; and removing the trench dopant containing layer. | 04-26-2012 |
20120139463 | POWER SUPPLY MODULE FOR HALL SENSORLESS BRUSHLESS DIRECT CURRENT MOTOR - Disclosed is a power supply module for a hall sensorless BLDC motor, including: a high-voltage/large-current power device t applied with high voltage/large current and including a plurality of power devices driving the hall sensorless brushless direct current (BLDC) motor; a motor driving circuit sensing and controlling a positional signal or a velocity signal of the hall sensorless BLDC motor and generating a PWM control signal for controlling the hall sensorless BLDC motor; and a power device driving circuit driving the high-voltage/large-current power device according to the PWM control signal of the motor driving circuit, wherein the high-voltage/large-current power device, the power device driving circuit, and the motor driving circuit are CMOS-integrated on the same substrate. | 06-07-2012 |
20140086531 | OPTICAL FILTER HAVING SINGLE REFLECTING TOTAL INTERNAL REFLECTION ECHELLE GRATING FILTER AND OPTICAL WAVEGUIDE DEVICE INCLUDING THE SAME - An optical filter of the inventive concept includes a slab waveguide disposed on a substrate, an input guide gate and an output guide gate spaced apart from each other in the slab waveguide, and an echelle grating filter disposed in the slab waveguide. The echelle grating filter has curvature and extends in a first direction. The echelle grating filter has gratings of sawtooth shape on one surface thereof. Light inputted through the input guide gate is totally reflected at the echelle grating filter by one reflecting process. | 03-27-2014 |
20140091388 | SEMICONDUCTOR DEVICE AND METHOD OF FABRICATING THE SAME - Provided are a semiconductor device and a method of fabricating the same. The method includes: forming a trench in a semiconductor substrate of a first conductive type; forming a trench dopant containing layer including a dopant of a second conductive type on a sidewall and a bottom surface of the trench; forming a doping region by diffusing the dopant in the trench dopant containing layer into the semiconductor substrate; and removing the trench dopant containing layer. | 04-03-2014 |
20140241662 | OPTICAL DEVICE MODULE AND OPTICAL COMMUNICATION NETWORK SYSTEM USING THE SAME - An optical device module includes a substrate, an interlayer insulating layer on the substrate, an optical waveguide on the interlayer insulating layer, an optical device on the optical waveguide, and a prism disposed between the optical device and the optical waveguide. The prism has a refractive index greater than a refractive index of the optical waveguide. | 08-28-2014 |
20140346532 | OPTICAL INPUT/OUTPUT DEVICE, OPTICAL ELECTRONIC SYSTEM INCLUDING THE SAME, AND METHOD OF MANUFACTURING THE SAME - Disclosed are an optical input/output device and an opto-electronic system including the same. The device includes a bulk silicon substrate, at least one vertical-input light detection element monolithically integrated on a portion of the bulk silicon substrate, and at least one vertical-output light source element monolithically integrated on another portion of the bulk silicon substrate adjacent to the vertical-input light detection element. The vertical-output light source element includes a III-V compound semiconductor light source active layer combined with the bulk silicon substrate by a wafer bonding method. | 11-27-2014 |
20150215045 | OPTICAL DEVICE MODULE AND OPTICAL COMMUNICATION NETWORK SYSTEM USING THE SAME - An optical device module includes a substrate, an interlayer insulating layer on the substrate, an optical waveguide on the interlayer insulating layer, an optical device on the optical waveguide, and a prism disposed between the optical device and the optical waveguide. The prism has a refractive index greater than a refractive index of the optical waveguide. | 07-30-2015 |
Patent application number | Description | Published |
20110290920 | SHREDDER FOR SUPER ADSORBENT POLYMER AND PREPARATION METHOD OF SUPER ABSORBENT POLYMER USING THE SAME - The present invention is to provide a shredder for super absorbent polymer that comprises: an inlet portion for feeding a plate-shaped super absorbent polymer; a pulverizing portion for pulverizing the super absorbent polymer fed through the inlet portion; and an outlet portion for discharging the pulverized super absorbent polymer from the pulverizing portion. The pulverizing portion comprises: a rotary drum to which a plurality of rotary blades are attached; at least fixed blade for pulverizing the super absorbent polymer in cooperation with the plural rotary blades; and a housing for holding the rotary drum and the at least one fixed blade. Each rotary blade has a shape of polygon with at least one vertex having an acute angle of at most 45°. | 12-01-2011 |
20120035294 | Process for Preparing Super Absorbent Polymers - The present invention relates to a process for preparing super absorbent polymers, and more specifically to a process for preparing super absorbent polymers comprising the steps of: forming a monomer composition comprising water-soluble, ethylenic unsaturated monomers and non-reactive fine particles having a diameter of 20 nm to 1 mm; and subjecting the monomer composition to a thermal polymerization or a UV-induced polymerization. | 02-09-2012 |
20120108695 | POLYMERIZATION REACTOR FOR PRODUCING A SUPER ABSORBENT POLYMER AND METHOD FOR PRODUCING A SUPER ABSORBENT POLYMER USING THE POLYMERIZATION REACTOR - The present invention provides a polymerization reactor for producing a super absorbent polymer comprising: a reaction unit; a monomer composition supply unit being connected to the reaction unit and supplying a monomer composition solution containing a monomer, a photoinitiator, and a solvent; an agitating shaft extended in the reaction unit from one end of the reaction unit connected to the monomer composition supply unit to the other end of the reaction unit; a plurality of agitating blades installed around the agitating shaft; and a light irradiation unit providing light to the monomer composition solution furnished from the monomer composition supply unit, and a method of producing super absorbent polymers by using the same. | 05-03-2012 |
20140051813 | PREPARATION METHOD OF SUPERABSORBENT POLYMER - The present invention relates to a preparation method of a superabsorbent polymer, and specifically to a method of preparing a superabsorbent polymer including the steps of: preparing a hydrous gel phase polymer by thermal polymerizing or photo-polymerizing a monomer composition including a water-soluble ethylene-based unsaturated monomer and a polymerization initiator; drying the hydrous gel phase polymer; milling the dried polymer; classifying the milled hydrous gel phase polymer into two or more grades by particle size; adding a surface cross-linking agent to each hydrous gel phase polymer classified into two or more grades; and carrying out a surface cross-linking reaction of the hydrous gel phase polymer to which the surface cross-linking agent is added. | 02-20-2014 |
20140058048 | PREPARATION METHOD OF SUPERABSORBENT POLYMER - The present invention relates to a method of preparing a superabsorbent polymer, including the steps of: preparing a hydrous gel phase polymer by thermal polymerizing or photo-polymerizing a monomer composition including a water-soluble ethylene-based unsaturated monomer and a polymerization initiator; drying the hydrous gel phase polymer; milling the dried polymer; adding a surface cross-linking agent to the milled polymer; and elevating the temperature of the polymer including the surface cross-linking agent at a speed of 3° C./min to 15° C./min, and carrying out a surface cross-linking reaction at 100° C. to 250° C. | 02-27-2014 |
20140329024 | PREPARATION METHOD OF A SUPER ABSORBENT POLYMER - The present invention relates to a method of preparing a super absorbent polymer (SAP), and more specifically to a method of preparing a SAP including the steps of spraying the monomer composition on a substrate having a hydrophobic surface of a certain tan angle and carrying out a UV polymerization on a polymerization reactor having a slightly hydrophilic surface. The present invention can improve the conversion rate of polymerization because the shape of the monomer solution is changed from prior sheet form to droplet form so that UV rays reach the deeper layer of the droplets, can minimize or simplify the recycling process because it is easy to control the particles of the prepared polymer, and can provides the SAP of high caliber by narrowing the particle diameter distribution and improving the uniformity. | 11-06-2014 |
20140339344 | SHREDDER FOR SUPER ABSORBENT POLYMER AND PREPARATION METHOD OF SUPER ABSORBENT POLYMER USING THE SAME - The present invention is to provide a shredder for super absorbent polymer that comprises: an inlet portion for feeding a plate-shaped super absorbent polymer; a pulverizing portion for pulverizing the super absorbent polymer fed through the inlet portion; and an outlet portion for discharging the pulverized super absorbent polymer from the pulverizing portion. The pulverizing portion comprises: a rotary drum to which a plurality of rotary blades are attached; at least fixed blade for pulverizing the super absorbent polymer in cooperation with the plural rotary blades; and a housing for holding the rotary drum and the at least one fixed blade. Each rotary blade has a shape of polygon with at least one vertex having an acute angle of at most 45°. | 11-20-2014 |
20150087742 | SUPER ABSORBENT POLYMER AND A PREPARATION METHOD THEREOF - The present invention relates to a super absorbent polymer (SAP) and a preparation method thereof. More specifically, the present invention provides a SAP satisfying the overall properties required to a SAP and especially the superior initial absorbency and absorbing rate under load at the same time, and a preparation method thereof, by treating the surface of the SAP with a surface treatment solution including water and a diol-based or glycol-based surface crosslinking agent. | 03-26-2015 |