Patent application number | Description | Published |
20080213565 | Conductive Polymer Foams, Method of Manufacture, and Uses Thereof - Articles are disclosed, comprising a polymer foam layer having a first surface and an opposite second surface; a plurality of cells between the first surface and the opposite second surface of the polymer foam layer, wherein the thickness of the polymer foam layer between the first surface and the opposite second surface is 1.0 to 1.5 times the average height of the plurality of cells; and a plurality of magnetic, electrically conductive particles aligned into a plurality of mutually isolated chains that essentially continuously span the foam between the first surface and the opposite second surface of the polymer foam layer. The foams are useful as gaskets for electromagnetic shielding, grounding pads, battery contact conductive spring elements, and the like. | 09-04-2008 |
20110006267 | CONDUCTIVE POLYMER FOAMS, METHOD OF MANUFACTURE, AND USES THEREOF - Articles are disclosed, comprising a polymer foam layer having a first surface and an opposite second surface; a plurality of cells between the first surface and the opposite second surface of the polymer foam layer, wherein the thickness of the polymer foam layer between the first surface and the opposite second surface is 1.0 to 1.5 times the average height of the plurality of cells; and a plurality of electrically conductive particles aligned into a plurality of columns that essentially continuously span the foam between the first surface and the opposite second surface of the polymer foam layer. The foams are useful as gaskets for electromagnetic shielding, grounding pads, battery contact conductive spring elements, and the like. | 01-13-2011 |
Patent application number | Description | Published |
20090205881 | DRIVING SYSTEM - A driving system that can allow a vehicle to go over or ascend obstacles or stairs through a step driving manner is provided. The driving system includes a power transmission unit connected to a main shaft connected to a power generation unit installed on the wheel frame, a plurality of driven units engaged with the power transmission unit and supporting wheels rotating by rotational force of the power transmission unit, and a carrier to which the power transmission unit and each of the driven units are operationally fixed and which goes over the obstacles by rotating when the driven units stop due to the obstacles. | 08-20-2009 |
20100271176 | METHOD AND APPARATUS FOR REDUCING POWER CONSUMPTION IN MOBILE TERMINAL - An apparatus and a method for reducing battery consumption of a mobile terminal are provided. More particularly, an apparatus and a method for reducing battery consumption by allowing a mobile terminal to perform a wakeup process by expiration or update of a timer which coincides with a paging period in order to reduce battery consumption. The controller reduces a frequency of waking up from a sleep mode by matching a wakeup time set by a timer to a paging period with a certain condition is met. | 10-28-2010 |
20110269605 | MULTIPURPOSE EXERCISE APPARATUS - The present invention relates to a multipurpose exercise apparatus. More specifically, the multipurpose exercise apparatus is configured so that various kinds of exercise can be done by turning a crescent-shaped main body up and down according to the kind of exercise desire by a user, and by stepping on the main body to mount thereon or sitting down thereon, thereby allowing exercise to be enjoyed regardless of place or time and to even be enjoyed outdoors in addition to indoors and the efficiency of exercise can be maximized even with simple exercise movements. The present invention is characterized in that it has a plate shape, and it comprises a main body ( | 11-03-2011 |
20150199219 | METHOD AND APPARATUS FOR SERVER CLUSTER MANAGEMENT - A method is provided comprising: receiving an incoming job request; estimating a first time necessary to complete the incoming job; adjusting a size of a server cluster based on the first time; and assigning the incoming job to a server that is part of the server cluster; wherein the size of the server cluster is adjusted before the incoming job is assigned to the server. | 07-16-2015 |
Patent application number | Description | Published |
20090271320 | SYSTEM FOR ELECTRONIC BUSINESS TRANSACTIONS - An electronic business transaction system is provided. The electronic business transaction system requests an ordering party to select an electronic business and input order information for the electronic business through a terminal of the ordering party, receives the order information for the electronic business from the ordering party, announces a bid for the electronic business, requests bidders to select the electronic business, input bid information for the electronic business, and organize execution groups for the electronic business through a terminal of the bidders, receives the bid information and information for the execution groups from the bidders, analyzes the bid information and the information for the execution groups, selects an order-taking party from among the bidders according to the results of the analysis, concludes an electronic contract for the electronic business between the order-taking party and the ordering party, and provides an application for processing the electronic business regarding the electronic contract to terminals of execution group members belonging to an execution group of the order-taking party so that the execution group members process the electronic business through the terminals of the execution group | 10-29-2009 |
20150146190 | LASER RADAR APPARATUS AND METHOD FOR OPERATING THEREOF - Provided herein a laser radar apparatus including a plurality of light transmission and reception modules arranged concavely in an opposite direction to a scanning direction based on a surface vertical to the scanning direction, wherein each of the plurality of light transmission and reception modules comprises a transmitter configured to deflect a laser beam and to irradiate the deflected laser beam to a target; and a receiver configured to receive the laser beam reflected from the target. | 05-28-2015 |
20150288143 | TUNABLE EXTERNAL CAVITY LASER - Provided herein is a tunable external cavity laser comprising: a gain medium configured to create an optical signal; an external reflector configured to be coupled to the gain medium, and to comprise a Bragg grating; and a phase control section configured to adjust a phase of an entire laser, but to adjust a wavelength of the laser to a longer wavelength than a peak reflectivity of the external reflector. | 10-08-2015 |
20150372447 | APPARATUS AND METHOD FOR GENERATING PULSE LASER - Provided herein is a pulse laser generator including a modulator configured to receive a continuous wave laser, and to modulate an intensity and phase of the continuous wave laser to generate a first pulse laser; and a chirping unit configured to chirp the first pulse laser to generate a second pulse laser. | 12-24-2015 |
20150381845 | APPARATUS AND METHOD OF OBTAINING IMAGE - Disclosed is an apparatus for obtaining an image. The apparatus for obtaining an image includes a light source, a scanner, a first beam splitter, and a light receiving unit. The light source generates a laser pulse. The scanner irradiates the laser pulse in a first direction. The first beam splitter splits the laser pulse irradiated in the first direction in the first direction and a second direction and irradiates the split laser pulse. The light receiving unit detects reflected light. Accordingly, it is possible to irradiate light to a wide range by a light source having a relatively small divergent angle. | 12-31-2015 |
Patent application number | Description | Published |
20090116523 | HYBRID LASER DIODE - Provided is a hybrid laser diode. The hybrid laser diode includes: a silicon layer constituting a slab waveguide; and a compound semiconductor layer disposed on the silicon layer to constitute a channel waveguide. | 05-07-2009 |
20090135857 | FREQUENCY-TUNABLE TERAHERTZ LIGHT SOURCE DEVICE - Provided is a frequency-tunable terahertz light source device. The frequency-tunable terahertz light source device satisfies a Littrow diffraction condition at a wavelength and simultaneously satisfies a Littman-Metcalf diffraction condition at another wavelength using a double diffraction grating having two grating periods. Thus, oscillations simultaneously occur at the two different wavelengths, such that a terahertz wave can be stably generated by beating of the two oscillation wavelengths. In addition, the frequency-tunable terahertz light source device can readily change a frequency up to several terahertz and can be fabricated in a small size. | 05-28-2009 |
20090152528 | HIGH-POWER, BROAD-BAND, SUPERLUMINESCENT DIODE AND METHOD OF FABRICATING THE SAME - Provided are a superluminescent diode with a high optical power and a broad wavelength band, and a method of fabricating the same. The superluminescent diode includes: at least one high optical confinement factor (HOCF) region; and at least one low optical confinement factor (LOCF) region having a lower optical confinement factor than the HOCF region. The method includes obtaining a difference of optical confinement factors in the HOCF region and the LOCF region through a selective area growth method, the selective area growth method using a deposition thicknesses difference of thin layers according to a width difference of openings that expose a substrate. | 06-18-2009 |
20090154505 | WAVELENGTH TUNABLE LASER DIODE USING DOUBLE COUPLED RING RESONATOR - A wavelength tunable laser diode using a double coupled ring resonator is provided. A new double coupled ring resonator structure is formed by a connection of two ring resonators having different radii so that stable laser oscillation occurs only in a resonant wavelength at which the two ring resonators are simultaneously resonated, and the effective refractive index of the two ring resonators is properly controlled differently for tunable laser oscillation wavelengths. The reproducibility of the optical coupling characteristics of the passive waveguides and the ring resonator can be assured by multi-mode couplers. This results in improved manufacturing productivity of the wavelength tunable laser diode. It is possible to amplify and output an output light without having an effect on oscillation wavelength characteristic by means of an optical amplifier integrated in an output end. | 06-18-2009 |
20090154517 | HYBRID LASER DIODE FOR SINGLE MODE OPERATION AND METHOD OF FABRICATING THE SAME - Provided are a hybrid laser diode for single mode operation, and a method for manufacturing the hybrid laser diode. The hybrid laser diode includes a silicon layer, an active pattern disposed on the silicon layer, and a bonding layer disposed between the silicon layer and the active pattern. Here, the bonding layer includes diffraction patterns constituting a Bragg grating. | 06-18-2009 |
20090154880 | PHOTONICS DEVICE - Provided is a photonics device. The photonics device includes: a substrate including a star coupler region and a transition region; a lower core layer formed on the substrate; and upper core patterns formed on the substrate to define a waveguide. The upper core patterns are disposed on the lower core layer at the transition region, so that the transition region has a multi-layered core structure. | 06-18-2009 |
20120156826 | METHOD OF FABRICATING AVALANCHE PHOTODIODE - A method includes: forming an epitaxy wafer by growing a light absorbing layer, a grading layer, an electric field buffer layer, and an amplifying layer on the front surface of a substrate in sequence; forming a diffusion control layer on the amplifying layer; forming a protective layer for protecting the diffusion control layer on the diffusion control layer; forming an etching part by etching from the protective layer to a predetermined depth of the amplifying layer; forming a first patterning part by patterning the protective layer; forming a junction region and a guardring region at the amplifying layer by diffusing a diffusion material to the etching part and the first patterning part; removing the diffusion control layer and the protective layer and forming a first electrode connected to the junction region on the amplifying layer; and forming a second electrode on the rear surface of the substrate. | 06-21-2012 |
20130327926 | FPA MODULE FOR OBTAINING 3-DIMENSIONAL IMAGE - Provided is an FPA module capable of further improving a quality of an obtained 3-dimensional image by adjusting an interval of an arrangement of optical detectors and a size of the optical detector within an FPA module for obtaining the 3-dimensional image. An FPA module for obtaining a 3-dimensional image according to an exemplary embodiment of the present disclosure includes a plurality of light detectors configured to detect light reflected from a monitoring target, in which the plurality of light detectors is disposed at different intervals according to positions. | 12-12-2013 |
20150236473 | REFLECTIVE OPTICAL SOURCE DEVICE - Disclosed is an optical source device. The optical source device includes: a mode converter configured to be optically coupled with an optical fiber; a semiconductor optical amplifier coupled with the mode converter, and configured to amplify an optical signal input through the optical fiber; and an electro absorption modulator coupled to the optical amplifier, and configured to modulate the amplified optical signal and output the modulated optical signal, in which each of the semiconductor optical amplifier and the optical absorption modulator includes a heater. | 08-20-2015 |
Patent application number | Description | Published |
20130295402 | Steel Sheet for Formed Member Having Enhanced Ductility, Formed Member, and Method for Manufacturing the Formed Member - Provided is a steel sheet for a formed member having enhanced ductility, a formed member, and a method for manufacturing the formed member, and more particularly, to a steel sheet for making a formed member having high strength and ductility such as an automotive structural member and a reinforcing member, a formed member, and a method for manufacturing the formed member. The steel sheet for a formed member has enhanced ductility, and includes, by weight %, C: 0.1% to 1.0%, Si+Al: 0.4% to 3.0%, Mn: 0.1% to 5.0%, P: 0.0001% to 0.1%, S: 0.0001% to 0.03%, N: 0.03% or less (but not 0%), and the balance of Fe and inevitable impurities. The formed member having high strength and ductility that can be used for forming an automotive structural member, a reinforcing member, etc. In addition, the formed member can be used for a heat-treatable impact resistant member. | 11-07-2013 |