Patent application number | Description | Published |
20100019988 | FREQUENCY SELECTIVE SURFACE STRUCTURE FOR FILTERING OF SINGLE FREQUENCY BAND - There is provided provided a frequency selective surface (FSS) structure for filtering a single frequency band, including: a plurality of unit cells arranged at a predetermined distance, wherein each of the unit cells includes: a substrate; a circular loop formed on the substrate with a predetermined width and having at least one of meanderingly bent portions, wherein a filtering frequency band is controlled by a length of the circular loop, a width of the circular loop, a distance between the unit cells, and a thickness and dielectric constant of dielectric. | 01-28-2010 |
20110022544 | SYSTEM AND METHOD FOR ISSUING MOBILE POSTAGE STAMP - In order to provide a mobile postage stamp, when mobile postage stamp application information is received from a terminal owned by a user, a mobile postage stamp providing system verifies a recipient mailing address included in the mobile postage stamp application information. After the verification of the recipient mailing address is completed, the mobile postage stamp providing system generates a serial number corresponding to the mobile postage stamp on the basis of the mobile postage stamp application information and provides the generated serial number to the terminal. | 01-27-2011 |
20110128187 | SMALL ANTENNA USING SRR STRUCTURE IN WIRELESS COMMUNICATION SYSTEM AND METHOD FOR MANUFACTURING THE SAME - A small antenna using an SRR structure in a wireless communication system includes: a first radiation unit positioned over a dielectric substrate formed of a predetermined dielectric medium and having a predetermined ring shape; a feed unit positioned over the dielectric substrate and configured to feed a signal to the first radiation unit; a second radiation unit positioned under the dielectric substrate and having a predetermined ring shape; a via formed through the dielectric substrate to connect the first and second radiation units; a ground unit positioned under the dielectric substrate and configured to ground the first and second radiation units; and a metal line unit positioned under the dielectric substrate to connect the second radiation unit and the ground unit. The feed unit includes first and second capacitors which accomplish impedance matching when the signal is fed to the first radiation unit. | 06-02-2011 |
20110128201 | CIRCULARLY POLARIZED ANTENNA IN WIRELESS COMMUNICATION SYSTEM AND METHOD FOR MANUFACTURING THE SAME - A circularly polarized antenna in a wireless communication system includes: at least one feed antenna positioned at a predetermined point on at least one ground substrate; and a unit antenna having a plurality of conductive structures arranged in a predetermined identical direction on a superstrate positioned at a predetermined distance from above the feed antenna. The plurality of conductive structures and the unit antenna are configured to radiate circularly polarized waves, respectively, when the feed antenna radiates linearly polarized waves. | 06-02-2011 |
20110241798 | RESONATOR FOR COMMUNICATION SYSTEM AND FILTER USING THE SAME - Provided are a resonator and a filter performing a filtering operation by using the resonator. The filter includes a first resonation unit connected in series to an input terminal and having a first resonant frequency, a filtering unit connected in series to the first resonation unit to filter a signal inputted through the input terminal, a second resonation unit connected in series between the filtering unit and an output terminal and having a second resonant frequency, a first zero-order resonation unit connected in parallel to a connection terminal between the input terminal and the first resonation unit and having a first zero-order resonant frequency equal to the first resonant frequency, and a second zero-order resonation unit connected in parallel to a connection terminal between the output terminal and the second resonation unit and having a second zero-order resonant frequency equal to the second resonant frequency. | 10-06-2011 |
20110241966 | ANTENNA HOUSING FOR SUPRESSING BACKWARD RADIATION - An antenna housing includes a primary reflector attached to a PCB having a radiation device pattern formed on the PCB; and a secondary reflector positioned behind the primary reflector so as to maintain a predetermined distance from the primary reflector. | 10-06-2011 |
20110248793 | BAND-PASS FILTER BASED ON CRLH RESONATOR AND DUPLEXER USING THE SAME - A CRLH resonator-based band-pass filter includes at least two CRLH resonators. The resonators are connected by capacitive coupling. The resonators includes a microstrip line having input and output ports. The microstrip line includes a first interdigital line serial-connected to the input port, a second interdigital line serial-connected to the output port, a connection line connecting the first and second interdigital lines, and an inductor line parallel-connected to the connection line and provided with a grounded end. | 10-13-2011 |
20120114834 | AUTOMATIC STAMPING METHOD AND APPARATUS BASED ON PRESS ROLLER AND PIN PRESS - An automatic stamping apparatus includes a conveyor for conveying a stamping object, a stamper for stamping a pattern and two-dimensional bar code information on the stamping object, a reader for reading the pattern and the two-dimensional bar code information, and an information processor for determining a pattern and two-dimensional bar code information to be stamped on the stamping object, controlling the stamper based on the determined pattern and two-dimensional bar code information, receiving the stamped pattern and two-dimensional bar code information of the stamping object read by the reader, comparing the received stamped pattern and two-dimensional bar code information with a pattern and two-dimensional bar code information to be stamped on the stamping object, thus verifying the accuracy of the stamping. | 05-10-2012 |
20120127202 | SYSTEM AND METHOD FOR PROVIDING DELIVERY INFORMATION - Provided are a system and a method for logistics delivery using augmented reality, which are used for efficient logistics delivery through generation of an optimal delivery route and improvement of a delivery rate. The present invention is constituted by a mobile terminal which is used by a delivery man, a logistics information system, and a mobile communication company's server. When the delivery man scans an image in a delivery scheduled area by using the mobile terminal, a mobile apparatus displays detailed delivery information regarding a delivery point in an area for each set area unit and whether a customer is positioned in the vicinity of an address and generates the optimal delivery route. | 05-24-2012 |
20120146868 | ANTENNA SUPERSTRATE COMPOSED OF ARRANGEMENT OF CELLS WITH BROKEN PERIODICITY, ANTENNA STRUCTURE HAVING THE SAME AND MANUFACTURING METHOD THEREOF - Disclosed are an antenna superstrate and an antenna structure having the same. More specifically, it is possible to widen an impedance matching bandwidth and a radiation bandwidth of an antenna while maintaining a high antenna gain characteristic as it is as compared with a method of using an antenna superstrate in which cells are arranged periodically in the related art by breaking periodicity of cells arranged in the antenna superstrate. | 06-14-2012 |
20120223869 | MICROSTRIP PATCH ANTENNA INCLUDING PLANAR METAMATERIAL AND METHOD OF OPERATING MICROSTRIP PATCH ANTENNA INCLUDING PLANAR METAMATERIAL - Provided is a microstrip patch antenna in which a unit cell of a planar metamaterial may be inserted to have a miniaturized size, a wide bandwidth, or multi-resonance. | 09-06-2012 |
20130278947 | SYSTEM FOR ACCEPTING MAIL MATTER - A system for accepting a mail matter is provided, which includes an image processing unit recognizing a mailing address; a weight measurement unit measuring a weight of the mail matter; a mailing address information input unit; a postage information storage unit; a postage settlement unit; an interface unit for selecting mailing addresses of an addresser and an addressee; a labeler printing the mailing addresses of the addresser and the addressee and a registered barcode on a label and attaching the label to the mail matter; a discharger discharging the mail matter; and an integrated control unit settling the postage through the postage settlement unit, attaching the selected mailing addresses of the addresser and the addressee and the registered barcode to the mail matter through the labeler, and discharging the mail matter through the discharger. | 10-24-2013 |
20130282166 | LOADING CONTROL APPARATUS CAPABLE OF AUTOMATIC MAIL ALIGNMENT - The present invention relates to a loading control apparatus capable of aligning the mail automatically. The loading control apparatus includes a distribution unit configured to guide mail, inputted to the cargo box of an unmanned receipt apparatus, to any one of a plurality of mail capacity boxes, a gravimetry unit configured to measure the weight of the mail loaded onto the mail capacity box, and a control unit configured to determine a mail capacity box onto which the mail will be loaded based on the weight received from the gravimetry unit and control the distribution unit based on a result of the determination. In accordance with the present invention, registered ordinary mail received through the unmanned receipt apparatus is automatically aligned and loaded in order of the receipt of mail. | 10-24-2013 |