Patent application number | Description | Published |
20080235370 | Method and System for Controlling Network Traffic of P2P and Instant Messenger Softwares - A method and a system for controlling a network traffic of P2P and instant messenger softwares are disclosed. In accordance with the method and the system, both a header and a payload of a packet generated by an instant messenger software or a P2P software are monitored to terminate a session by transmitting a termination signal to a receiver and a transmitter when required, thereby blocking the exchange of the attached file and storing the content of the conversation. | 09-25-2008 |
20090125506 | Method of Managing Messages In Archiving System For E-Discovery - Provided is a method for managing messages in an archiving system for E-Discovery. The method includes capturing a message by classifying the message using at least one of a port number, a packet content and a packet pattern at the time of messaging a message transmitted by all communication devices officially recognized in a company, storing the message at an on-line storage through an indexing and a compression after removing a duplicate content of the message for a large capacity retrieval, and backing up the data at a unalterable permanent recording media in accordance with a priority selectively designated according to the attribute. | 05-14-2009 |
20100034566 | LIGHT ABSORBENT MEMBER, HEATING DEVICE, FIXING DEVICE AND IMAGE FORMING APPARATUS EMPLOYING THE SAME - Disclosed are a novel light absorptive member, a heating device employing such light absorptive member, a fixing device employing such heating device and an image forming apparatus that uses the fixing device. The light absorptive member includes nano-rods dispersed therein, and can increase absorption efficiency of a heating device, such as, for example, a fixing device that uses a light source as a radiant heat source, due to the surface plasmon resonance phenomenon that occurs when the wavelength(s) of the light corresponds the peak wavelength(s) of the absorptive rate for the light based on the aspect ratio(s) of the nano-rods. | 02-11-2010 |
20100070518 | METHOD FOR PROTECTING PRIVATE INFORMATION AND COMPUTER-READABLE RECORDING MEDIUM STORING PROGRAM FOR EXECUTING THE SAME - Provided are a method for protecting private information and a computer-readable recording medium storing program for the same. The method may include defining a pattern corresponding to the private information, automatically searching whether the private information is included in the file and the mail stored in a personal computer, according to predetermined intervals on the basis of the pattern, and performing an information protecting operation when the file or the mail including the private information is searched. | 03-18-2010 |
20100111580 | LIGHT ABSORPTION DEVICE, FIXING UNIT COMPRISING THE LIGHT ABSORPTION DEVICE AND IMAGE FORMING APPARATUS COMPRISING THE FIXING UNIT - Disclosed are a light absorption device, a fixing unit including the same and an image forming apparatus including such fixing unit. The light absorption device includes a plurality of dielectric layers containing nano-rods. Surface plasmon resonance generated in response to certain wavelengths corresponding to the dielectric constants of the dielectric layers can result in an improvement in the light absorption efficiency. Further improvements can be realized by adjusting the dielectric constants of the dielectric layers. | 05-06-2010 |
20100129125 | LIGHT-ABSORPTIVE DEVICE, FIXING UNIT USING THE LIGHT-ABSORPTIVE DEVICE, AND IMAGE FORMING APPARATUS - A light-absorptive device for absorbing light includes a light source configured to emit light and a light-absorptive element configured to absorb the light emitted from the source. The light-absorptive element includes a light-absorptive layer in which a nano-component comprised of one or more nano particles coated with a shape keeping agent is dispersed. The aspect ratio(s) and/or the dielectric constant of the light-absorptive layer may be selectively varied to realize a peak wavelength of absorption spectrum that corresponds to the wavelength(s) of the light emitted by the light source. The light-absorptive device may be incorporated as a heating unit, such as a fixing unit of an image forming apparatus to fix toner images on to a recording medium. | 05-27-2010 |
20100157306 | APPARATUS AND METHOD FOR DETECTING SURFACE PLASMON RESONANCE - Disclosed are an apparatus and a method for detecting a surface plasmon resonance. The apparatus may radiate a polarized beam of light to a device, such as a surface plasmon resonance generator, and may measure variations in a temperature of the device to detect whether a surface plasmon resonance has occurred. The detection of a surface plasmon resonance may be associated with the presence of a particular material such as volatile organic compounds (VOCs) or materials disrupting ozone, for example. | 06-24-2010 |
20100202272 | METHOD OF FABRICATING NANOROD INFORMATION STORAGE MEDIUM - A method of fabricating an information storage medium, the method including forming a plurality of nanorod recording layers on a substrate by sputtering using a mask having a plurality of nanorod patterns. | 08-12-2010 |
20110280601 | Apparatus and method to control temperature of heating roller used in fusing device of image forming apparatus - The apparatus includes a heating roller that generates heat for melting toner attached to a printing medium; a first induction coil that is disposed outside the heating roller and heats the heating roller by using induced current generated according to current flowing through the first induction coil; two second induction coils that are disposed at upper portions of both ends of the first induction coil and heat the heating roller by using induced current generated according to current flowing through the two second induction coils; a power supply unit that supplies current to the first induction coil and the two second induction coils; and a control unit that controls the power supply unit to supply current flowing in the same direction or different directions to the first induction coil and the second induction coils according to the size of paper fed into the heating roller. | 11-17-2011 |
20110293338 | Induction heating type fusing device and image forming apparatus employing the same - An induction heating type fusing device and an image forming apparatus including the fusing device. The fusing device includes a magnetic flux generator and a compressing roller outside a fusing belt, first and second fusing rollers and a nip guide inside the fusing belt. The compressing roller compresses against the first and second fusing rollers and the nip guide to form nips, while the fusing belt is disposed between the compressing roller and the first and second fusing rollers and the nip guide. | 12-01-2011 |
20120239389 | AUDIO SIGNAL PROCESSING METHOD AND DEVICE - Disclosed is an audio signal processing method comprising the steps of: receiving an audio signal containing current frame data; generating a first temporary output signal for the current frame when an error occurs in the current frame data, by carrying out frame error concealment with respect to the current frame data a random codebook; generating a parameter by carrying out one or more of short-term prediction, long-term prediction and a fixed codebook search based on the first temporary output signal; and memory updating the parameter for the next frame; wherein the parameter comprises one or more of pitch gain, pitch delay, fixed codebook gain and a fixed codebook. | 09-20-2012 |
20130078019 | FUSING DEVICE AND METHOD USING INDUCTION HEATING AND IMAGE FORMING APPARAUS INCLUDING THE FUSING DEVICE - An induction heating fusing device and method of an image forming apparatus including: a pressure roller; a heating element that forms a fusing nip together with the pressure roller and is rotatable; an inductor that is installed in a rotation axis direction on the outer circumference surface of the heating element, includes a main coil and a plurality of control coils located on the main coil, and inductively heats the heating element; and a controller that selectively drives at least one of the plurality of control coils depending on the width of a printing paper passing though the fusing nip, and controls the main coil and the plurality of control coils so that a current direction of the main coil and a current direction of the plurality of control coils become the same as or opposite to each other depending on the width of the printing paper. | 03-28-2013 |
20130213878 | FILTER CARTRIDGE - Disclosed is a filter cartridge. The filter cartridge includes an inner filter in the form of an approximately cylindrical corrugated membrane, an outer filter in the form of an approximately cylindrical corrugated membrane, the outer filter having a diameter greater than that of the inner filter and being installed around the inner filter, and at least one holder to support the inner filter and the outer filter. | 08-22-2013 |
20130270256 | INSTANTANEOUS WATER HEATER - There is provided an instantaneous water heater capable of expelling heated water or steam when internal pressure reaches or exceeds a predetermined pressure, thus preventing an accident, product damage, or the like. The instantaneous water heater includes a main body having an inlet allowing water to be introduced therethrough and an outlet allowing water to be discharged therethrough; a heating unit disposed in the main body and heating water introduced to the main body; and a decompression unit connected to a decompression hole disposed in the main body and expelling heated water or steam to the outside thereof when internal pressure within the main body reaches or exceeds a predetermined pressure. | 10-17-2013 |
20130271687 | Thin Film Transistor and Display Apparatus Having the Same - A thin film transistor includes a gate electrode, a first insulating layer disposed to cover the gate electrode, a semiconductor layer disposed on the first insulating layer that includes a first side surface portion, a source electrode disposed on the semiconductor layer, and a drain electrode disposed on the first insulating layer that includes a second side surface portion. The first side surface portion makes contact with the second side surface portion. | 10-17-2013 |
20140037347 | FUSING UNIT AND IMAGE FORMING APPARATUS INCLUDING THE SAME - A fusing unit and an image forming apparatus to form an image on a recording medium including a fusing unit are provided. The image forming apparatus includes a heating member having a surface divided into a plurality of heating regions and heating the recording medium, and a pressurizing member to apply pressure to the recording medium, the fusing unit fusing the image to the recording medium by applying heat and pressure to the recording medium, a driving unit to supply rotational force to the pressurizing member, and a power supply to supply power to the heating member and the driving unit, wherein the heating regions have different heating values per unit area. The image forming apparatus prevents overheating of a paper-contact heating region without idling the fusing unit in order to radiate heat accumulated in the paper-contact heating region. | 02-06-2014 |
20140064764 | APPARATUS AND METHOD TO CONTROL TEMPERATURE OF HEATING ROLLER USED IN FUSING DEVICE OF IMAGE FORMING APPARATUS - The apparatus includes a heating roller that generates heat for melting toner attached to a printing medium; a first induction coil that is disposed outside the heating roller and heats the heating roller by using induced current generated according to current flowing through the first induction coil; two second induction coils that are disposed at upper portions of both ends of the first induction coil and heat the heating roller by using induced current generated according to current flowing through the two second induction coils; a power supply unit that supplies current to the first induction coil and the two second induction coils; and a control unit that controls the power supply unit to supply current flowing in the same direction or different directions to the first induction coil and the second induction coils according to the size of paper fed into the heating roller. | 03-06-2014 |
20140064807 | INDUCTION HEATING TYPE FUSING DEVICE AND IMAGE FORMING APPARATUS EMPLOYING THE SAME - An induction heating type fusing device and an image forming apparatus including the fusing device. The fusing device includes a magnetic flux generator and a compressing roller outside a fusing belt, first and second fusing rollers and a nip guide inside the fusing belt. The compressing roller compresses against the first and second fusing rollers and the nip guide to form nips, while the fusing belt is disposed between the compressing roller and the first and second fusing rollers and the nip guide. | 03-06-2014 |
20140084293 | THIN FILM TRANSISTOR ARRAY PANEL AND METHOD OF MANUFACTURING THE SAME - A thin film transistor array panel includes a substrate, a gate electrode on the substrate, a gate insulating layer on the gate electrode, a semiconductor layer on the gate insulating layer, a source electrode and a drain electrode on the semiconductor layer and facing each other, a floating metal layer between the source electrode and the drain electrode, and a passivation layer covering the source electrode, the drain electrode, and the floating metal layer. The floating metal layer is electrically floating. | 03-27-2014 |
20140103332 | THIN FILM TRANSISTOR DISPLAY PANEL - A thin film transistor display panel a includes a transparent substrate; a gate electrode positioned on the substrate; a gate insulating layer positioned on the gate electrode; a semiconductor layer positioned on the gate insulating layer and including a channel region; a source electrode and a drain electrode positioned on the semiconductor layer and facing each other; and a passivation layer configured to cover the source electrode, the drain electrode, and the semiconductor layer, wherein the semiconductor layer includes a relatively thick first portion between the source electrode and the gate electrode and a relatively thinner second portion between the drain electrode and the gate electrode overlap, the relatively thick first portion being sufficiently thick to substantially reduce a charge trapping phenomenon that may otherwise occur at a gate electrode to gate dielectric interface if the first portion were as thin as the second portion. | 04-17-2014 |