| Patent application number | Description | Published |
| 20080272849 | Active Baluns - Example embodiments of the invention may provide for active baluns. An example active balun may include a resonator that may convert a single-ended input signal to at least two differential input signals, and a differential switching block that includes first and second transistors that each receive a respective one of the at least two differential input signals from the resonator, where the first and second transistors may be cross-coupled to each other to provide a first differential output signal and a second differential output signal. An example active balun may further include one or more loads connected to the first and second differential output signals, and one or more stacked inverters that may provide a first output port and a second output port, where the first output port may be responsive to the first differential output signal and the second output port may be responsive to the second differential output signal. | 11-06-2008 |
| 20090174477 | MULTI-SEGMENT PRIMARY AND MULTI-TURN SECONDARY TRANSFORMER FOR POWER AMPLIFIER SYSTEMS - Embodiments of the invention may provide for power amplifier systems and methods. The systems and methods may include a power amplifier that generates a first differential output signal and a second differential output signal, a primary winding comprised of a plurality of primary segments, where a first end of each primary segment is connected to a first common input port and a second end of each primary segment is connected to a second common input port, where the first common input port is operative to receive the first differential output signal, and where the second common input port is operative to receive the second differential output signal, and a single secondary winding inductively coupled to the plurality of primary segments. | 07-09-2009 |
| 20090174480 | Systems and Methods for Cascode Switching Power Amplifiers - Example embodiments of the invention may provide systems and methods for a power amplifier. The systems and methods may include a first common-source device having a first source, a first gate, a first drain, and a first body, where the first source is connected to the first body, and wherein the first gate is connected to an input port. The systems and methods may further include a second common-gate device having a second source, a second gate, a second drain, and a second body, where the second source is connected to the first drain, where the second source is further connected to the second body, and where the second drain is connected to an output port. | 07-09-2009 |
| 20090174515 | Compact Multiple Transformers - Example embodiments of the invention may provide systems and methods for multiple transformers. The systems and methods may include a first transformer that may include a first primary winding and a first secondary winding, where the first primary winding may be inductively coupled to the first secondary winding, where the first transformer may be associated with a first rotational current flow direction in the first primary winding. The systems and methods may further include a second transformer that may include a second primary winding and a second secondary winding, where the second primary winding may be inductively coupled to the second secondary winding, where the second transformer may be associated with a second rotational current flow direction opposite the first rotational current flow direction in the second primary winding, where a first section of the first primary winding may be positioned adjacent to a second section of the second primary winding, and where the adjacent first and second sections may include a substantially same first linear current flow direction. | 07-09-2009 |
| 20090184786 | MULTI-SEGMENT PRIMARY AND MULTI-TURN SECONDARY TRANSFORMER FOR POWER AMPLIFIER SYSTEMS - Embodiments of the invention may provide for power amplifier systems and methods. The systems and methods may include a power amplifier that generates a first differential output signal and a second differential output signal, a primary winding comprised of a plurality of primary segments, where a first end of each primary segment is connected to a first common input port and a second end of each primary segment is connected to a second common input port, where the first common input port is operative to receive the first differential output signal, and where the second common input port is operative to receive the second differential output signal, and a single secondary winding inductively coupled to the plurality of primary segments. | 07-23-2009 |
| 20110068636 | SYSTEMS AND METHODS FOR A SPDT SWITCH OR SPMT SWITCH WITH TRANSFORMER - A SPDT or SPMT switch may include a transformer having a primary winding and a secondary winding, where a first end of the secondary winding is connected to a single pole port, where a first end of the primary winding is connected to a first throw port; a first switch having a first end and a second end, where the first end is connected to ground; and a second switch, where a second end of the secondary winding is connected to both a second end of the first switch and a first end of the second switch, where a second end of the second switch is connected to a second throw port, where the first switch controls a first communication path between the single pole port and the first throw port, and where the second switch controls a second communication path between the second throw port and the single pole port. | 03-24-2011 |
| Patent application number | Description | Published |
| 20100127780 | POWER AMPLIFIERS WITH DISCRETE POWER CONTROL - Systems and methods are provided for power amplifiers with discrete power control. The systems and methods may include a plurality of unit power amplifiers; a plurality of primary windings, wherein each primary winding is connected to at least one respective output port of a respective one the plurality of unit power amplifiers; a secondary winding inductively coupled to the plurality of primary windings, where the secondary winding provides an overall output; a bias controller, where the bias controller provides a respective bias voltage based at least in part on a level of output power to one or more of the plurality of unit power amplifiers; and a switch controller, where the switch controller operates to activate or deactivate at least one of the plurality of unit power amplifiers via a respective control signal. | 05-27-2010 |
| 20100148866 | Systems and Methods for Power Amplifiers with Voltage Boosting Multi-Primary Transformers - Systems and methods may be provided for a power amplifier system. The systems and methods may include a plurality of power amplifiers, where each power amplifier includes at least one output port. The systems and methods may also include a plurality of primary windings each having a first number of turns, where each primary winding is connected to at least one output port of the plurality of power amplifiers, and a single secondary winding inductively coupled to the plurality of primary windings, where the secondary winding includes a second number of turns greater than the first number of turns. | 06-17-2010 |
| 20100148871 | SYSTEMS AND METHODS FOR AN ADAPTIVE BIAS CIRCUIT FOR A DIFFERENTIAL POWER AMPLIFIER - Systems and methods for providing an adaptive bias circuit that may include a differential amplifier, low-pass filter, and common source amplifier or common emitter amplifier. The adaptive bias circuit may generate an adaptive bias output signal depending on input signal power level. As the input power level goes up, the adaptive bias circuit may increase the bias voltage or bias current of the adaptive bias output signal. A power amplifier (e.g., a differential amplifier) may be biased according to the adaptive bias output signal in order to reduce current consumption at low power operation levels. | 06-17-2010 |
| 20100148877 | INTEGRATED POWER AMPLIFIERS FOR USE IN WIRELESS COMMUNICATION DEVICES - An integrated power amplifier can include a carrier amplifier, where the carrier amplifier is connected to a first quarter wave transformer at the input of the carrier amplifier. In addition, the power amplifier can further include at least one peaking amplifier connected in parallel with the carrier amplifier; a first differential combining structure, where the first combining structure includes a first plurality of quarter wave transformers that are configured to combine respective first differential outputs of the carrier amplifier in phase to generate a first single-ended output signal, and a second differential combining structure, where the second combining structures includes a second plurality of quarter wave transformers that are configured to combine respective second differential outputs of the at least one peaking amplifier in phase to generate a second single-ended output signal, where the first single-ended output signal and the second single-ended output signal are combinable in-phase to provide an overall output. | 06-17-2010 |
| 20100156536 | SYSTEMS AND METHODS FOR SELF-MIXING ADAPTIVE BIAS CIRCUIT FOR POWER AMPLIFIER - Systems and methods for providing a self-mixing adaptive bias circuit that may include a mixer, low-pass filter or a phase shifter, and a bias feeding block. The self-mixing adaptive bias circuit may generate an adaptive bias signal depending on input signal power level. As the input power level goes up, the adaptive bias circuit increases the bias voltage or bias current such that the amplifier will save current consumption at low power operation levels and obtain better linearity at high power operation levels compared to conventional biasing techniques. Moreover, the adaptive bias output signal can be used to cancel the third-order intermodulation terms (IM3) to further enhance the linearity as a secondary effect. | 06-24-2010 |
| Patent application number | Description | Published |
| 20100068101 | Biochip Package Body, Method of Forming the Same, and Biochip Package Including the Biochip Package Body - A biochip package body, a method of forming the same, and a biochip package including the biochip package body are provided. The biochip package body includes a mounting package body having a mounting plate. The mounting plate has at least one protruding portion that protrudes therefrom. The protruding portion has a chip mounting portion and a chip protection portion. The chip mounting portion is disposed substantially in the center of the protruding portion. The chip protection portion surrounds the chip mounting portion. | 03-18-2010 |
| 20100165270 | COLOR FILTERING DEVICE FOR IMPROVED BRIGHTNESS - A color filtering member for improving the brightness of a display device is presented. The color filtering member includes colored regions (e.g., regions with RBG color filters) and black-and-white regions for transmitting white light. The black-and-white regions may be colorless gaps between adjacent colored regions. Multiple planarizing layers may be deposited on the colored regions and the black-and-white regions to form a surface that is sufficiently even. The color filtering member may include an intercepting region that extends between neighboring colored regions. The position of the intercepting region is not centered between the two colored regions that it separates. Rather, the intercepting region is shifted in the direction of rubbing (in the direction of liquid crystal alignment) to more effectively cover the regions where light leakage occurs. This color filtering member may be combined with an array member and a liquid crystal layer to form a display device. | 07-01-2010 |
| 20110051072 | LIQUID CRYSTAL DISPLAY DEVICE - An LCD device provides enhanced display quality. An insulating layer is formed on a first substrate. The insulating layer covers the contact portion of a switching device in which the switching device is electrically connected to a transparent electrode and has an opening for exposing a portion of the transparent electrode. A reflection electrode is electrically connected to the transparent electrode through the opening. The insulation layer covers a first portion of a driving circuit formed on the first substrate. A sealant is interposed between the first and second substrate to engage the first and second substrate and to cover a second portion of the driving circuit. Therefore, the driver circuit may operate normally, and the distortion of the signal outputted from the driver circuit may be prevented. | 03-03-2011 |
| 20110122597 | DRIVING DEVICE AND A LIQUID CRYSTAL DISPLAY INCLUDING THE SAME - A driving device including a board on which a timing controller for signal processing and a memory are mounted, the board having a conductive field, in which the conductive field has a non-contact region which is coated with an insulating material, and an exposed contact region which is not covered with the insulating material, the exposed contact region formed adjacent to the timing controller or the memory, a conductive member disposed in the exposed contact region, and a shield covering the board and electrically connected to the conductive field via the conductive member | 05-26-2011 |
| 20110134376 | ACTIVE MATRIX DRIVING DISPLAY DEVICE AND IMAGE DISPLAYING METHOD USING THE SAME - LCD device includes two substrates, a first and second color filters, two liquid crystal layers. The first color filters are formed on portions of the second substrate corresponding to border area The second color filters are formed on portions of the second substrate corresponding to the display area except the border area. A first liquid crystal layer between the first and the second substrate is comprised in border area, and a zero electric field is formed on the first liquid crystal layer so as to completely transmit light incident into the first liquid crystal layer therethrough. A borderline having various colors can be displayed by forming various patterns of color filters having various colors on portions of the second substrate corresponding to the border area under normally white mode, thereby producing picture frame effect while images are displayed on the screen. | 06-09-2011 |
| 20110194064 | LIQUID CRYSTAL DISPLAY DEVICE - An LCD device provides enhanced display quality. An insulating layer is formed on a first substrate. The insulating layer covers the contact portion of a switching device in which the switching device is electrically connected to a transparent electrode and has an opening for exposing a portion of the transparent electrode. A reflection electrode is electrically connected to the transparent electrode through the opening. The insulation layer covers a first portion of a driving circuit formed on the first substrate. A sealant is interposed between the first and second substrate to engage the first and second substrate and to cover a second portion of the driving circuit. Therefore, the driver circuit may operate normally, and the distortion of the signal outputted from the driver circuit may be prevented. | 08-11-2011 |
| Patent application number | Description | Published |
| 20090079496 | MULTI-CHIP PACKAGE FOR REDUCING PARASITIC LOAD OF PIN - Multi-chip package includes first through Nth semiconductor chips, each of which includes an input/output pad, an input/output driver coupled to the input/output pad, and an internal circuit. Each of the first through Nth semiconductor chips includes an internal pad for coupling the internal input/output driver and the internal circuit. The internal pads of the first through Nth semiconductor chips are coupled to each other such as via a common pad installed at a substrate. The input/output pad of the first semiconductor chip directly receives an input/output signal transmitted via a corresponding pin of the multi-chip package. The second through Nth semiconductor chips indirectly receive the input/output signal via the internal pads coupled to each other. The multi-chip package can improve signal compatibility by maintaining a parasitic load of a pin to at least the level of a single chip, when a signal is transmitted to the pin at high speed. Also, when a signal that is not necessarily transmitted at high speed is applied to a pin, semiconductor chips can be packaged according to the preexisting methods. | 03-26-2009 |
| 20090261474 | WAFER LEVEL PACKAGE HAVING A STRESS RELIEF SPACER AND MANUFACTURING METHOD THEREOF - In a semiconductor device package having a stress relief spacer, and a manufacturing method thereof, metal interconnect fingers extend from the body of a chip provide for chip interconnection. The metal fingers are isolated from the body of the chip by a stress-relief spacer. In one example, such isolation takes the form of an air gap. In another example, such isolation takes the form of an elastomer material. In either case, mismatch in coefficient of thermal expansion between the metal interconnect fingers and the body of the chip is avoided, alleviating the problems associated with cracking and delamination, and leading to improved device yield and device reliability. | 10-22-2009 |
| 20110031621 | WAFER LEVEL PACKAGE HAVING A STRESS RELIEF SPACER AND MANUFACTURING METHOD THEREOF - In a semiconductor device package having a stress relief spacer, and a manufacturing method thereof, metal interconnect fingers extend from the body of a chip provide for chip interconnection. The metal fingers are isolated from the body of the chip by a stress-relief spacer. In one example, such isolation takes the form of an air gap. In another example, such isolation takes the form of an elastomer material. In either case, mismatch in coefficient of thermal expansion between the metal interconnect fingers and the body of the chip is avoided, alleviating the problems associated with cracking and delamination, and leading to improved device yield and device reliability. | 02-10-2011 |
| Patent application number | Description | Published |
| 20080261667 | MOBILE TERMINAL HAVING AN IMPROVED INTERNAL ANTENNA - A mobile terminal is provided that includes a first area having a first conductive surface, a second area having a second conductive surface, the second area separated from the first area, and a feeding point formed between the first conductive surface and the second conductive surface to supply electrical signals to or from the first and the second conductive surfaces. The first and the second conductive surfaces together from an internal antenna | 10-23-2008 |
| 20080306075 | Pharmaceutical Compositions For Transdermal Delivery - The present invention relates to a pharmaceutical composition for transdermal administration comprising a conjugate of methotrexate and PTD (protein transduction domain). In accordance with the present invention, the methotrexate, which is widely used for the treatment of psoriasis, rheumatoid and inflammation, etc., can be delivered transdermally to a local part of a patient body, in order to minimize the side effect of the methotrexate. | 12-11-2008 |
| 20090284423 | PORTABLE TERMINAL AND ANTENNA MODULE THEREOF FOR RECEIVING BROADCAST SIGNAL - A portable terminal with an antenna for receiving broadcast signals, includes an antenna module having a chip antenna patterned on a dielectric chip so as to define a physical length of the antenna module that enables the chip antenna to operate within a broadcast band, and a conductive plate connected to the chip antenna and having an area such that conductive plate leads a main radiation of the antenna module on the broadcast band, whereby the physical length of the antenna module can be reduced as short as possible by employing the chip antenna. Accordingly, the chip antenna facilitates making the antenna module and the portable terminal be smaller in size. Also, the chip antenna is configured to lead a main radiation on the conductive plate, thereby increasing radio reception quality and improving radio performance. | 11-19-2009 |
| 20090312066 | MOBILE TERMINAL - A mobile terminal fabricated through co-injection molding is provided. The mobile terminal includes a first case and a second case coupled to the first case. The first case includes a main body having a keypad and a cover formed on the main body. The cover is co-injection molded with the main body whereby no parting lines are formed between the cover and the main body. A method of forming a case of a mobile terminal is also provided. The method includes injection molding a main body using a first resin material, the main body having a keypad, and injection molding a cover onto the main body using a second resin material different from the first resin material, whereby no parting lines are formed between the cover and the main body. | 12-17-2009 |
| 20100104638 | EXTENDED RELEASE ORAL ACETAMINOPHEN/TRAMADOL DOSAGE FORM - An extended release oral administered dosage form of acetaminophen and tramadol. The dosage form includes a composition of acetaminophen together with a tramadol complex formed with an anionic polymer. The tramadol complex provides sustained release of tramadol for a synchronized (coordinated) release profile of acetaminophen and tramadol. | 04-29-2010 |
| 20110018824 | DISPLAY SYSTEM AND METHOD OF CONTROLLING THE SAME - Disclosed are a display system and a method of controlling the same, the display system including: an input device which includes a movable light interceptor and selectively intercepts light; a display panel which is touched with the input device; an emitter which emits light; a receiver which receives light; and a display device including a controller which controls the emitter and the receiver to emit and receive light, respectively, and recognizes the input device if light emitted from the emitter is intercepted by the light interceptor. With this, a contact time and a recognition time of an object can be separated. | 01-27-2011 |
| 20110122075 | MULTI-TOUCH DETECTING APPRATUS AND METHOD FOR LCD DISPLAY APPARATUS - A multi-touch detecting apparatus includes a liquid crystal display (LCD) module which includes an LCD panel and a backlight unit (BLU), a plurality of infrared light sources which emits infrared light toward the LCD module, an infrared light detecting camera which is disposed proximate a rear surface of the LCD panel, and detects infrared light reflected from an object on the LCD panel, and a control unit which turns off the BLU when the infrared light detecting camera is turned on. | 05-26-2011 |
| 20110122093 | DISPLAY APPARATUS AND METHOD FOR CALIBRATING A TOUCH SYSTEM - A display apparatus and method for calibrating a touch system are provided, the display apparatus including: a display panel which displays an image; an image processor which processes an image displayed on the display panel; a light source unit provided on the display panel and which emits light; a camera unit which photographs an image to detect a touch position by a user on the display panel and a calibration image of light emitted by the light source unit; and a controller which controls the image processor to process an image on the basis of the touch position by the user on the image taken by the camera unit and calibrating the touch position by the user on the basis of a position of the light on the calibration image taken by the camera unit. | 05-26-2011 |