Abstract: An electronic shelf label has a simple structure to be easily installed or removed and is attached and detached only through a predetermined-shaped key so as to prevent unauthorized personnel from removing the electronic shelf label, thereby protecting the electronic shelf label from theft.

Abstract: Disclosed herein are a method of forming a multilayer conductor line and an electronic paper panel using the same. The electronic paper panel includes a substrate: a lower electrode disposed on the upper portion of the substrate and formed with a wiring layer to electrically connect each of the segments so that it drives an electronic paper; an upper electrode disposed on the upper portion of the lower electrode to display information to be represented; an insulating layer disposed between the upper electrode and the lower electrode; a driving chip mounted on the upper surface of the lower electrode, whereby the conductor lines can be designed in the multilayer structure type at the time of forming the conductor lines of the electronic paper panel, such that it is possible to variously design the conductor lines even though the substrate size is small.

Abstract: There is provided a bar code made of electronic paper. A bar code made of electronic paper according to an aspect of the invention may include: one or more e-paper stacks having a plurality of pieces of e-paper each having an entire surface displaying black, white or being transparent, wherein an upper level of e-paper of the e-paper stack is narrower than a lower level of e-paper thereof, the outermost layer of e-paper of the e-paper stack has the same width as the narrowest constituting a bar code, and part of the lower level of e-paper exposed by the upper level of e-paper adjacent to the lower level of e-paper has the same width as the narrowest constituent bar of the bar code.

Abstract: Disclosed herein is an electronic shelf label system. The electronic shelf label system includes a plurality of electronic tags that are installed on a product display stand and confirms the residual amount of a battery to turn-on a battery warning light when the residual amount is smaller than a reference voltage and transmits replacement request signals to inform the replacement time of the battery; and a wired/wireless communication converter that relays information between the electronic tags and a server and transmits the replacement request signals received from the electronic tags to be relayed thereby to the server. The electronic shelf label system of the present invention can intuitively and easily confirm the timing when the battery of the electronic is replaced, thereby making it possible to improve the efficiency in the working of replacing the battery.

Abstract: Disclosed herein is a barrel plating apparatus. The barrel plating apparatus includes a barrel plating tank filled with an electrolytic solution, a barrel container immersed in the electrolytic solution of the barrel plating tank and filled with chip parts and media, a power supply unit for supplying current to an anode part and a cathode part which transfer the current to the barrel container and the electrolytic solution of the barrel plating tank, a driving motor for rotating the barrel container, and a hall current sensor formed in at least one cathode rod of the cathode part, coming into direct contact with the chip parts, the hall current sensor measuring the current. Accordingly, in the barrel plating apparatus, the currents of respective cathode rods are measured by hall current sensors, and thus variations in plating thickness can be reduced.

Abstract: Provided is a price display apparatus including a plate-shaped label having a price displaying unit; and a holder coupled to one side of the label and having a fixing portion protruding outward from the label.

Abstract: There is provided a bar code made of electronic paper. A bar code made of electronic paper according to an aspect of the invention may include: one or more e-paper stacks having a plurality of pieces of e-paper each having an entire surface displaying black, white or being transparent, wherein an upper level of e-paper of the e-paper stack is narrower than a lower level of e-paper thereof, the outermost layer of e-paper of the e-paper stack has the same width as the narrowest constituting a bar code, and part of the lower level of e-paper exposed by the upper level of e-paper adjacent to the lower level of e-paper has the same width as the narrowest constituent bar of the bar code.

Abstract: Provided is a price display apparatus including a plate-shaped label having a price displaying unit; and a holder coupled to one side of the label and having a fixing portion protruding outward from the label.

Abstract: An electronic shelf label has a simple structure to be easily installed or removed and is attached and detached only through a predetermined-shaped key so as to prevent unauthorized personnel from removing the electronic shelf label, thereby protecting the electronic shelf label from theft.

Abstract: A heat sink includes a base plate and at least one elastic plate. The base plate is connected to a heat generator such as a semiconductor chip. One end portion of the elastic plate is connected to the base plate and the elastic plate has a zigzag structure to ensure desired elasticity. The elastic plate dissipates the heat generated from the heat generator.

Abstract: In a multi-band U-slot planar antenna, a limited ground plane is provided. A connector includes a ground terminal connected to the ground plane and a feeding terminal for feeding a signal. A planar radiation device includes a feeding point connected to the feeding terminal, a central U-slot having a symmetrical configuration about a central axis thereof, the central axis extending vertically from the feeding point, and at least one pair of auxiliary U-slots symmetrical with each other about the central axis. In the multi-band U-slot planar antenna, alternatively, at least one auxiliary U-slot may have a symmetrical configuration about the central axis.

Abstract: An embedded capacitor including a dielectric layer disposed between opposing faces of electrodes, in which the dielectric layer includes a high-loss dielectric layer and one or more insulating layers in contact with the high-loss dielectric layer. The dielectric layer may have a two-layer structure or a three-layer structure in which an insulating layer is additionally interposed between the high-loss dielectric layer and the electrode, thereby decreasing the dielectric loss while maintaining a high dielectric constant, compared to capacitors including a single-layer dielectric structure.

Abstract: There is provided a mobile communication terminal including: a dielectric substrate; a ground surface formed on a first area of the dielectric substrate; a radiation part disposed on a second area where the ground surface is not formed, at a predetermined distance from the dielectric substrate, the radiation part having first and second slots formed thereon; a feeding line formed on the second area of the dielectric substrate and having one end connected to the radiation part; a ground line disposed on the second area of the dielectric substrate at a predetermined distance from the feeding line and having one end connected to the radiation part and another end connected to the ground surface; and a matching ground surface formed on the second area of the dielectric substrate, the matching ground surface disposed in a superimposed relationship with a portion of the radiation part and extending from the ground surface to be capacitively coupled to the radiation part.

Abstract: An apparatus and method of driving a plasma display panel for reducing power consumption is disclosed. In the apparatus, a sub-field mapping unit maps a data inputted from the exterior thereof onto a sub-field pattern stored in advance. An APL calculator calculates an APL corresponding to said data inputted from the exterior and generating an information about the number of sustaining pulses corresponding to the calculated APL. A load detector receives the mapped data from the sub-field mapping unit to generate a control signal in response to whether or not a data for each sub-field is supplied. A waveform generator controls a sustaining pulse applied to a panel in response to said information about the number of sustaining pulses and said control signal.

Abstract: The present invention discloses a method and an apparatus for calculating an optimal Average Picture Level (APL) in a plasma display of asymmetric cell configuration wherein each red, green and blue cell has asymmetric size and a plasma display using the same.

Abstract: Provided is a method for manufacturing an antenna which is minimized and used in a low frequency band. The method includes forming and preparing a radiator for an antenna, mounting the radiator inside a dam molding part including an upper dam molding part and a lower dam molding part, injecting a molding material into the dam molding part through an inlet provided at one side of the dam molding part, the molding material including a composite material with a controlled diameter and content, hardening the injected molding material, and separating the hardened molding material covering the radiator from the dam molding part. Accordingly, a miniaturized antenna can be provided, which can achieve a high integration density, prevent deformation of the radiator caused by external pressure generated in processes, and be used in a low frequency band by covering the radiator with a molding material having a high permittivity and a low-loss characteristic.

Abstract: A front end module is disclosed. The front end module includes a plurality of antennas receiving different frequency band signals, respectively, an impedance matching circuit unit comprising a plurality of tuners respectively connected to the plurality of antennas to control impedance matching, a selection unit selecting one frequency band signal from multiple frequency band signals passing through the impedance matching circuit unit, a measuring unit measuring signal strength of a received signal selected at the selection unit, and a control unit controlling an operation of the selection unit and an impedance of the tuner according to the signal strength of the received signal measured at the measuring unit.

Abstract: There is provided a mobile communication terminal including: a dielectric substrate; a ground surface formed on a first area of the dielectric substrate; a radiation part disposed on a second area where the ground surface is not formed, at a predetermined distance from the dielectric substrate, the radiation part having first and second slots formed thereon; a feeding line formed on the second area of the dielectric substrate and having one end connected to the radiation part; a ground line disposed on the second area of the dielectric substrate at a predetermined distance from the feeding line and having one end connected to the radiation part and another end connected to the ground surface; and a matching ground surface formed on the second area of the dielectric substrate, the matching ground surface disposed in a superimposed relationship with a portion of the radiation part and extending from the ground surface to be capacitively coupled to the radiation part.

Abstract: The present invention relates to a chip antenna including first and second conductor patterns formed on upper and lower surfaces of a dielectric block in a width direction of the dielectric block. The chip antenna also includes conductive vertical-connecting parts formed in a vertical direction of the dielectric block to connect the first conductor patterns with the second conductor patterns to form a radiation line. The first and second conductor patterns comprise pairs of L-shaped and symmetrical L-shaped conductor patterns having bent parts overlapped in part with each other in a width direction and extended in a longitudinal direction of the dielectric block. Also, horizontal-connecting conductor patterns are formed in a width direction of the dielectric block.

Abstract: In a multi-band U-slot planar antenna, a limited ground plane is provided. A connector includes a ground terminal connected to the ground plane and a feeding terminal for feeding a signal. A planar radiation device includes a feeding point connected to the feeding terminal, a central U-slot having a symmetrical configuration about a central axis thereof, the central axis extending vertically from the feeding point, and at least one pair of auxiliary U-slots symmetrical with each other about the central axis. In the multi-band U-slot planar antenna, alternatively, at least one auxiliary U-slot may have a symmetrical configuration about the central axis.