Patent application number | Description | Published |
20090219094 | DIFFERENTIAL AMPLIFIER CIRCUIT AND FREQUENCY MIXER FOR IMPROVING LINEARITY - A differential amplifier circuit and a frequency mixer for improving linearity are disclosed. The disclosed differential amplifier circuit includes first and second loads, a first output terminal for the first load, a second output terminal for the second load, a differential amplifying stage including a differential stage for amplifying a voltage difference between a first input stage and a second input stage, and a biasing current source for biasing the differential stage, and a non-linearity filtering circuit for filtering a non-linear signal generated from the differential amplifying stage. The non-linearity filtering circuit includes a first cross circuit including a first transistor to connect the first and second output terminals, and a second cross circuit including a second transistor to connect the first and second output terminals. The differential amplifier circuit achieves an improvement in linearity, as compared to conventional differential amplifier circuits, by offsetting, at a load side, a non-linear component generated at an active element of the differential amplifier circuit, to output only a linear current component. | 09-03-2009 |
20100271270 | ELECTRONIC DEVICE CASE, METHOD AND MOLD FOR MANUFACTURING THE SAME, AND MOBILE COMMUNICATIONS TERMINAL - An electronic device case having an antenna pattern embedded therein according to an aspect of the invention may include: a radiator having an antenna pattern portion transmitting and receiving a signal and a connection terminal portion allowing the signal to be transmitted to and received from a circuit board of an electronic device; a connection portion partially forming the radiator and connecting the antenna pattern portion and the connection terminal portion to be arranged in different planes; a radiator frame manufactured by injection molding on the radiator so that the antenna pattern portion of the radiator is provided on one side of the radiator frame and the connection terminal portion is provided on the other side thereof; and a case frame covering the one side of the radiator frame on which the antenna pattern portion is provided so that the antenna pattern portion is embedded between the case frame and the radiator frame. | 10-28-2010 |
20100271283 | ANTENNA PATTERN FRAME AND METHOD OF MANUFACTURING THE SAME - An antenna pattern frame according to an aspect of the invention may include: a radiator having an antenna pattern portion transmitting and receiving a signal and a connection terminal portion allowing the signal to be transmitted to and received from a circuit board of an electronic device; a connection portion partially forming the radiator and connecting the antenna pattern portion and the connection terminal portion to be arranged in different planes; a radiator frame manufactured by injection molding on the radiator so that the antenna pattern portion may be provided on one side of the radiator frame and the connection terminal portion may be provided on the other side thereof, while the antenna pattern portion is embedded in the electronic device case; and a contact surface extension provided on the radiator to prevent the radiator from being loosened from the radiator frame during injection molding of the radiator frame, and increasing a contact area with respect to the radiator frame. | 10-28-2010 |
20110032153 | ANTENNA PATTERN FRAME, METHOD AND MOLD FOR MANUFACTURING THE SAME, ELECTRONIC DEVICE CASE HAVING ANTENNA PATTERN FRAME EMBEDDED THEREIN, AND METHOD FOR MANUFACTURING THE SAME - An antenna pattern frame includes an antenna radiator receiving an external signal and transmitting the received external signal to an electronic device, a radiator frame having the antenna radiator on a surface thereof, and a guide boss protruding from the radiator frame and preventing the radiator frame from moving vertically in a mold for manufacturing an electronic device case having an inner space having a shape corresponding to that of an electronic device case. | 02-10-2011 |
20110068984 | ANTENNA PATTERN FRAME, METHOD AND MOLD FOR MANUFACTURING THE SAME, METHOD FOR MANUFACTURING AN ELECTRONIC DEVICE CASE, AND ELECTRONIC DEVICE - An antenna pattern frame includes: a radiator having an antenna pattern part for receiving an external signal; a radiator frame having the radiator injection-molded to have the antenna pattern part formed thereon and including the antenna pattern part buried at an inner side of an electronic device; and an over-mold part injection-molded together with the radiator frame and over-molded to be formed on the antenna pattern part in order to prevent the antenna pattern part from becoming separated from the radiator frame. | 03-24-2011 |
20110199269 | ANTENNA PATTERN FRAME, ELECTRONIC DEVICE PROVIDED WITH ANTENNA PATTERN FRAME AND METHOD FOR MANUFACTURING ELECTRONIC DEVICE - There is provided an antenna pattern frame according to one embodiment of the present invention, including: a radiator frame that has an insertion groove formed on one surface of the radiator frame and is provided with a through part connected from one point of the insertion groove to an opposite surface to the one surface of the radiator frame; and a wire antenna that includes an antenna pattern part formed to be inserted into the insertion groove and an interconnection part formed to be exposed to the opposite surface by extending from the antenna pattern part and penetrating through the through part. | 08-18-2011 |
20110260932 | ANTENNA PATTERN FRAME, ELECTRONIC DEVICE CASE PROVIDED WITH ANTENNA PATTERN FRAME AND ELECTRONIC DEVICE INCLUDING ELECTRONIC DEVICE CASE - There is provided an antenna pattern frame according to an exemplary embodiment of the present invention, including: a film radiator that includes a protective film supporting one surface or both surfaces of a radiator provided with an antenna pattern part; and a radiator frame that is an injection molded part to which the film radiator is fixed and embeds the antenna pattern part in the electronic device case. | 10-27-2011 |
20110278186 | CASE OF ELECTRONIC DEVICE HAVING LOW FREQUENCY ANTENNA PATTERN EMBEDDED THEREIN, MOLD THEREFOR AND METHOD OF MANUFACTURING THEREOF - There is provided an electronic device case having a low frequency antenna pattern embedded therein, the case including: a radiator frame injection molded using a polymer mixture containing a magnetic substance component so that a radiator including a low frequency antenna pattern part is formed on one surface thereof; a case frame injection molded upwardly of the radiator frame and provided with the radiator embedded between the radiator frame and the case frame; and a boundary part forming a boundary between the radiator frame and the case frame and having a groove formed inwardly of the case frame. | 11-17-2011 |
20110279002 | CASE OF ELECTRONIC DEVICE HAVING ANTENNA PATTERN EMBEDDED THEREIN, AND MOLD THEREFOR AND METHOD OF MANUFACTURING THEREOF - There is provided a case of an electronic device having an antenna pattern embedded therein, the case including: a radiator frame injection molded so that a radiator including an antenna pattern part formed of a metal sheet is exposed on one surface thereof; a case frame injection molded upward of the radiator frame, such that the radiator is embedded between the radiator frame and the case frame; and a boundary part forming a boundary between the radiator frame and the case frame and having a groove formed inward of the case frame. | 11-17-2011 |
20110279394 | TOUCH SCREEN PANEL STRUCTURE OF MOBILE DEVICE - A Touch Screen Panel (TSP) structure of a mobile device is provided. The TSP structure includes a TSP and a Light Emitting Diode (LED). The TSP includes a transparent substrate and at least one indium tin oxide (ITO) film stacked on the transparent substrate. The transparent substrate includes an icon display source formed on a lower surface thereof. The ITO film has an electrode line formed on a lower surface or an upper surface thereof. The LED is located near a lateral side of the transparent substrate. In the TSP structure, the icon display source scatters the light of the LED and thereby allowing an icon to be displayed on a screen with reduced electric power. | 11-17-2011 |
20110291899 | ANTENNA RADIATOR, METHOD OF MANUFACTURING ELECTRONIC DEVICE CASE HAVING PLURALITY OF ANTENNA PATTERN RADIATORS EMBEDDED THEREIN, AND ELECTRONIC DEVICE CASE - An antenna radiator includes a plurality of antenna pattern radiators including antenna pattern portions receiving or transmitting an external signal, respectively, a bridge configured to connect the antenna pattern portions, and a cutting assistance part formed in a connection portion between the bridge and the antenna pattern portions and facilitating detachment of the bridge from the antenna pattern portions. | 12-01-2011 |
20120032858 | ELECTRONIC DEVICE HAVING ANTENNA PATTERN EMBEDDED IN CASE AND METHOD FOR MANUFACTURING THE SAME - An electronic device having an antenna pattern embedded in a case and a method for manufacturing the same are provided. The electronic device includes: a radiator embedded within a case and having an antenna pattern part for transmitting and receiving a signal; a smart card having a matching unit for matching a signal between a main board separated from the case and the radiator and a connection pad formed on one surface thereof to electrically connect the radiator and the matching unit; and a coupling member having one end portion coupled to the radiator so as to be embedded within the case and the other end portion protruded from a lower surface of the case so as to be elastically in contact with the connection pad to allow the radiator and the matching unit to be electrically coupled. | 02-09-2012 |
20120120005 | TOUCH SCREEN PANEL DISPLAY - A touch screen panel display for displaying a three-dimensional image including a display, a touch screen panel sensor film stacked on top of the display, and a window stacked on top of the touch screen panel sensor film is provided. The touch screen panel display includes a viewing angle difference barrier film stacked between an upper surface of the touch screen panel sensor film and a lower surface of the window and for transmitting light of a pixel corresponding to a left eye and light of a pixel corresponding to a right eye to a left eye and a right eye, respectively. The touch screen panel display displays a three-dimensional image using a two-dimensional liquid crystal display. | 05-17-2012 |
20120242158 | WIRELESS POWER TRANSMITTER AND WIRELESS POWER TRANSCEIVER - Disclosed are a wireless power transmitter capable of transmitting power wirelessly according to an impedance of an output side and a wireless power transceiver. There are provided a wireless power transmitter and a wireless power transceiver including: a wireless power transmitting unit converting input power into a preset transmission power and transmitting the converted input power wirelessly; and a controlling unit controlling a transmission of the transmission power according to a level of output impedance of the transmission power output from the wireless power transmitting unit. | 09-27-2012 |
20120274148 | CONTACTLESS POWER TRANSMISSION DEVICE AND ELECTRONIC DEVICE HAVING THE SAME - There are provided a contactless power transmission device and an electronic device having the same. The contactless power transmission device includes: a flexible substrate; a coil unit formed in the flexible substrate and including a coil part formed to have a wiring pattern form and having a plurality of coil strands connected in parallel with each other to thereby form a single coil pattern; and a circuit unit formed in the flexible substrate and electrically connected to the coil unit. | 11-01-2012 |
20130334736 | ELECTRONIC DEVICE CASE, EMTHOD AND MOLD FOR MANUFACTURING THE SAME, AND MOBILE COMMUNCATIONS TERMINAL - An electronic device case having an antenna pattern embedded therein includes: a radiator having an antenna pattern portion transmitting and receiving a signal and a connection terminal portion allowing the signal to be transmitted to and received from a circuit board of an electronic device; a connection portion partially forming the radiator and connecting the antenna pattern portion and the connection terminal portion to be arranged in different planes; a radiator frame manufactured by injection molding on the radiator so that the antenna pattern portion of the radiator is provided on one side of the radiator frame and the connection terminal portion is provided on the other side thereof; and a case frame covering the one side of the radiator frame on which the antenna pattern portion is provided so that the antenna pattern portion is embedded between the case frame and the radiator frame. | 12-19-2013 |
20130335279 | ELECTRONIC DEVICE CASE, METHOD AND MOLD FOR MANUFACTURING THE SAME, AND MOBILE COMMUNICTIONS TERMINAL - An electronic device case having an antenna pattern embedded therein includes: a radiator having an antenna pattern portion transmitting and receiving a signal and a connection terminal portion allowing the signal to be transmitted to and received from a circuit board of an electronic device; a connection portion partially forming the radiator and connecting the antenna pattern portion and the connection terminal portion to be arranged in different planes; a radiator frame manufactured by injection molding on the radiator so that the antenna pattern portion of the radiator is provided on one side of the radiator frame and the connection terminal portion is provided on the other side thereof; and a case frame covering the one side of the radiator frame on which the antenna pattern portion is provided so that the antenna pattern portion is embedded between the case frame and the radiator frame. | 12-19-2013 |
20140123326 | METHOD AND APPARATUS FOR TRANSMITTING RIGHTS OBJECT INFORMATION BETWEEN DEVICE AND PORTABLE STORAGE - A method and apparatus for transmitting rights object information between a device and a portable storage are provided. The method includes transmitting a predetermined request from the device to the portable storage, generating a current permission status format including information of a rights object designated by the request, using the portable storage, and transmitting the current permission status format from the portable storage to the device. According to the method and apparatus, overhead is reduced and information transmission speed is increased when the rights object information is transmitted between the device and the portable storage. | 05-01-2014 |
20140132454 | ANTENNA PATTERN FRAME, METHOD AND MOLD FOR MANUFACTURING THE SAME, ELECTRONIC DEVICE CASE HAVING ANTENNA PATTERN FRAME EMBEDDED THEREIN, AND METHOD FOR MANUFACTURING THE SAME - An antenna pattern frame includes an antenna radiator receiving an external signal and transmitting the received external signal to an electronic device, a radiator frame having the antenna radiator on a surface thereof, and a guide boss protruding from the radiator frame and preventing the radiator frame from moving vertically in a mold for manufacturing an electronic device case having an inner space having a shape corresponding to that of an electronic device case. | 05-15-2014 |