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| Number | Title | Issue Date |
| D652965 | Portion of a LED lamp | 01/24/2012 |
| D652964 | LED lamp | 01/24/2012 |
| D652963 | Portion of a LED lamp | 01/24/2012 |
| D652962 | LED lamp | 01/24/2012 |
| D652546 | Portion of a LED lamp | 01/17/2012 |
| D652545 | Portion of a LED lamp | 01/17/2012 |
| D652544 | LED lamp | 01/17/2012 |
| D652543 | Portion of a LED lamp | 01/17/2012 |
| D652542 | LED lamp | 01/17/2012 |
| D652541 | Portion of a LED lamp | 01/17/2012 |
| D652540 | Portion of a LED lamp | 01/17/2012 |
| D652539 | LED lamp | 01/17/2012 |
| D652538 | Portion of a LED lamp | 01/17/2012 |
| D652158 | LED lamp | 01/10/2012 |
| 8037925 | Heat exchanger having integrated tank header and partition structure and partition inserting groove with leak detection The present invention relates to a heat exchanger, and more particularly, to a heat exchanger in which a partition wall integrally formed with a header is fixedly inserted into a partition inserting groove of a tank and it is easy to check leakage of a heat exchange... | 10/18/2011 |
| 8006459 | Shear plate A shear plate for application to the outer end portion of a ferrule to be cast into a concrete component such as a wall panel, the shear plate having an outer portion engageable with the ferrule and, beyond the outer portion, a portion shaped to incline away from th... | 08/30/2011 |
| 7531112 | Composition for forming dielectric, capacitor produced using composition, and printed circuit board provided with capacitor Disclosed is a composition for forming a dielectric, which is applied to an embedded capacitor with a high dielectric constant, a capacitor produced using the composition, and a PCB provided with the capacitor. The composition includes 40 to 99 vol % of thermoplasti... | 05/12/2009 |
| 7525395 | Step attenuator There is provided a step attenuator having two Pi-type attenuators and one bridged-T type attenuator that share some resistors. The step attenuator is used to prevent a reduction in frequency range caused by use of MOS transistors and reduce attenuation of signal po... | 04/28/2009 |
| 7522704 | Battery-powered portable x-ray imaging apparatus A battery-powered x-ray imaging apparatus uses a battery with a reduced capacity as a power source. The x-ray imaging apparatus includes a DC-AC converting part for converting a direct current of a battery to an alternating current, a high-voltage transformer for in... | 04/21/2009 |
| 7517734 | Method of manufacturing a wafer level package with a cap structure for hermetically sealing a micro device A wafer level package includes a device wafer having a micro device, and bonding pads which are connected to the micro device, and formed at one surface of the device wafer, via connectors extending from the bonding pads to the other surface of the device wafer, ext... | 04/14/2009 |
| 7517193 | Centrifugal compressor and manufacturing method for impeller On a suction surface side of a blade in an impeller, a convex portion is formed to assume a curved line from a front edge portion to a throat portion substantially in the middle in a radial direction, and this convex portion is formed to be flat assuming a curved li... | 04/14/2009 |
| 7515004 | Voltage controlled oscillator with duty correction A voltage controlled oscillator (VCO) for generating a clock of a 50% duty includes a VCO unit and a duty correction unit. The VCO unit generates first and second signals having a 180° phase difference to each other with an oscillation frequency according to a cont... | 04/07/2009 |
| 7514980 | Exponential function generator and variable gain amplifier using the same The present invention relates to an exponential function generator which is realized with only CMOS element without BJT element, not limited by the physical properties of the element or a square circuit, and not complicated in its configuration, and a variable gain ... | 04/07/2009 |
| 7513632 | Direct-illumination backlight apparatus having transparent plate acting as light guide plate A direct-illumination backlight apparatus using LEDs includes a flat reflective plate, an LED light source, a transparent plate, a scattering pattern, and a light guide. The light guide serves to introduce a partial light from an LED light source at such an angle th... | 04/07/2009 |
| 7512963 | Intelligent low-noise block down-converter Disclosed herein is an intelligent low-noise block down-converter (LNB) which is implemented to, only when an LNB ID contained therein is the same as an ID of a satellite receiver connected therewith, provide a down-converted signal (IF signal) to the satellite rece... | 03/31/2009 |
| 7512958 | Holder for disk drives The invention relates to an optical disk drive, and more particularly, to a holder for disk drives having an improved chuck structure for seating a disk. The holder of the invention, in use, is inserted into a central opening of a disk for detachably seating the dis... | 03/31/2009 |
| 7511971 | Constant voltage circuit for power adapter Disclosed herein is a constant voltage circuit for a power adapter which is capable of varying an output voltage with loads so as to reduce the charging time of a system battery. The constant voltage circuit includes a transformer for transforming a primary voltage ... | 03/31/2009 |
| 7511312 | Surface mounting device-type light emitting diode A surface mounting device-type light emitting diode (SMD-type LED) comprises a package housing one or more pairs of electrodes therein, the package having a predetermined space in the center thereof and a light-emission window which is opened so that light is emitte... | 03/31/2009 |
| 7505743 | Dual band transmitter having filtering coupler The invention provides a dual band transmitter available for a mobile communication terminal such as mobile phone, in which a first RF amplifier 111 amplifies the power of a high band signal BS1 at a first amplification factor that is determined accord... | 03/17/2009 |
| 7505289 | Flyback DC/DC converter using clamp diode Provided is a flyback DC/DC converter for a power supply. In the flyback DC/DC converter, a flyback driver unit provides a primary current. A transformer includes a plurality of secondary coils for inducing energy from the primary coil receiving the primary current.... | 03/17/2009 |
| 7504978 | Digital-analog converter capable of easily extending resolution There is provided a digital-analog converter capable of easily extending the resolution that can easily extend the resolution by a simple circuit implementation when a 10-bit digital-analog converter is configured on the basis of an 8-bit digital-analog converter us... | 03/17/2009 |
| 7501745 | Piezoelectric vibrator A piezoelectric vibrator that generates an elliptical motion using a combination of a longitudinal vibration and a flexural vibration includes a piezoelectric element, three side electrodes, and a power transmission member. The piezoelectric element includes three p... | 03/10/2009 |
| 7501205 | Liquid low-sodium silicate electrolyte used for a storage battery and manufactured by magnetization process, and the usage thereof The present invention is related to a liquid low concentration sodium-containing silicate solution as electrolyte for lead-acid storage batteries and its applications. Such an electrolyte is prepared by mixing a silica gel containing 40˜60 wt % SiO2, the... | 03/10/2009 |
| 7498990 | Internal antenna having perpendicular arrangement In an internal antenna, a first antenna part is disposed on a side of a mobile telecommunication terminal body having at least first and second peripheral surfaces and sides. The first antenna part processes a signal of a first band. Also, a second antenna part is d... | 03/03/2009 |
| 7498884 | Self calibrating RC oscillator There is disclosed a self-calibrating resistor-capacitor (RC) oscillator in which a resistor has a resistance value varied minimally by temperature change and process variation, a capacitor has a capacitance value selected adequately according to needs, and the resi... | 03/03/2009 |
| 7498610 | High power LED housing and fabrication method thereof An LED housing, in which a heat conducting part has a chip mounting area, a heat connecting area opposed to the chip mounting area and a neck between them. Fixing parts have first ends engaged with the neck. An electrical connecting part has a wire connecting area p... | 03/03/2009 |
| 7497596 | LED and LED lamp This invention relates to a light emitting diode (LED) and a LED lamp consisted of LEDs. The LED comprises at least one LED chip. The LED is mounted on a high heat conductivity base and is connected to an applied power supply through a circuit board. The LED chip al... | 03/03/2009 |
| 7496264 | Optical waveguide An optical waveguide includes a linear metallic thin film having a light delivering unit coupled to one end thereof, through which light is incident; and at least more than two dielectric layers surrounding the metallic thin film. In the optical waveguide, an effect... | 02/24/2009 |
| 7486244 | Resonant frequency tunable antenna In a resonant frequency tunable antenna, a body includes a dielectric substance and a magnetic substance. A first radiator is disposed on a first predetermined area of the body and has a feeding pin connected thereto. A second radiator is disposed on a second predet... | 02/03/2009 |
| 7482845 | Output buffer circuit Provided is an output buffer circuit having a slew rate increasing part configured with a switching element. The output buffer circuit can obtain an output voltage having a high slew rate even though a smaller amount of a bias current than that required in a convent... | 01/27/2009 |
