Abstract: Disclosed is an apparatus for encrypting/decrypting a real-time input stream. The present invention includes a control unit, a key schedule unit, and a block round unit. Accordingly, the present invention realizes the encryption and decryption of AES algorithm in a manner of hardware, thereby enabling to carry out the encryption and decryption of the real-time input stream real-timely. And, the present invention finds the key for encryption or decryption of one block every round when realizing the encryption and decryption of the AES algorithm in a hardware manner, and then outputs the found keys to the block round unit. The present invention reduces the size of the key register required for the encryption/decryption of block data, thereby enabling to reduce a size of hardware as well as cost of product.

Abstract: A surface light source capable of reducing color stains with reduced number of light emitting diodes and manufactured at low costs, and a liquid crystal display backlight unit employing the same. The surface light source includes a plurality of light source clusters arrayed along first and second directions, each of the clusters including three light emitting diodes disposed in a triangular arrangement, the three light emitting diodes including green, red and blue light emitting diodes. The surface light source also includes a first array of the clusters lined along and inverted alternately about the first direction; and a second array of the clusters lined along and inverted alternately about the second direction, where the first array is perpendicular to the second array. The invention reduces color stains to achieve uniform white light and reduces the number of light emitting diodes to manufacture a product at low costs.

Abstract: A drum type washing machine capable of preventing/reducing damage to a damper fixing unit provided on a bottom plate for securing a damper at a fixed position by a reinforced rigidity of the damper fixing unit. The drum type washing machine includes a water tub installed in a body, at least one damper to support the water tub, and a damper fixing unit provided on the bottom plate of the body to secure the damper at a fixed position. The damper fixing unit is formed via cutting of the bottom plate and has a reinforced rigidity by a reinforcing portion formed around each cut portion of the bottom plate.

Abstract: A detergent supplying apparatus in which bleach or rinse is not supplied by mistake is disclosed. In order to directly discharge water remaining in a siphon cap after siphonage, concave steps are formed in the lower side of a siphon cap to form a passage between the siphon cap and the bottom of liquid detergent storing chamber. The detergent supplying apparatus includes a siphon cover having a plurality of siphon caps and a rib extended from the siphon caps by a predetermined length so that incorrect-coupling of the siphon caps is prevented.

Abstract: Provided are an electronic nose sensor array which can easily measure and process a sample using a personal information terminal and can be mass-produced, a sensor system including the same, a method of manufacturing the electronic nose sensor array, and a analysis method using the electronic nose sensor system. The sensor array comprises a plurality of sensing films which are formed on a side of a polymer substrate and react to chemical species to be analyzed, thereby changing their electric resistances, and a plurality of sensing electrodes, each of which contacts both ends of each of the sensing films and senses a change of one of the electric resistances.

Abstract: Provided is a chemical sensor for detecting a gaseous chemical species including a sensing layer made of a crystalline metal oxide nanoparticle aggregate having an aspect ratio of not less than about 5, and a short side length of not more than about 2 nm, whereby it is possible to detect the chemical species even at a room temperature since electrical conductivity is varied depending on adsorption and desorption of the chemical species due to a large surface area of the crystalline metal oxide nanoparticle and an active adsorption site located at a surface thereof.

Abstract: A washing machine with a detergent supply unit that allows a user to selectively put a powdered or liquid detergent into the same detergent input space and is capable of controlling flow of the detergent in the detergent input space to uniformly mix the detergent in wash water. The detergent supply unit includes a detergent container, at least one detergent input space formed in the detergent container, and a control member disposed in the detergent input space for controlling flow of a detergent in the detergent input space. Alternatively, the control member is disposed in the detergent input space for increasing or decreasing time for which the detergent stays in the detergent input space.

Abstract: A supporter for a clothes washing machine and a clothes drying apparatus for smoothly sliding a drawer in and out of a case regardless of temperature change by improving the structure of the drawer to be installed in the case. The supporter includes a case to support a clothes washing machine or a clothes drying apparatus and a drawer to be inserted into the case. The drawer includes a main body having an accommodating space, slide rails to be coupled with lateral sides of the main body, a connecting member to connect and support the slide rails, and a front panel to be coupled with a front side of the main body. The slide rails and the connecting member include first screw holes, and the main body further includes bosses at the lateral sides and the rear side of the main body. The bosses include second screw holes corresponding to the first screw holes. The connecting member and the main body include a position determining hole and a position determining protrusion at respective rear central portions.

Abstract: A washing machine having a detergent supply device for mixing detergent, filled in a detergent container, with wash water, and supplying the mixed detergent and wash water into a washing tub. The detergent supply device includes a housing, a detergent container, and water supply chambers. The housing includes a plurality of inlets connected with respective water supply pipes, and an outlet connected with a washing tub. The detergent container is detachably inserted in the housing and includes a plurality of detergent receiving chambers. The water supply chambers include a plurality of flow channels, and one of the flow channel is adapted to supply wash water, supplied from the inlets, into the detergent receiving chambers while adjusting the pressure of the wash water within a predetermined range.

Abstract: A washing machine having a detergent supply device for supplying detergent, filled in a detergent container, into a washing tub, in a mixed state with wash water. The detergent supply device includes a housing, a detergent container, and a restrictive element. The housing has a plurality of inlets connected with respective water supply pipes, and an outlet connected with a washing tub. The detergent container is detachably inserted in the housing and internally defines a liquid detergent receiving chamber. In the liquid detergent receiving chamber is provided a discharge member for discharging liquid, filled in the liquid detergent receiving chamber, into the water tub. The restrictive element is adapted to minimize fluctuation of the liquid filled in the detergent container when an external force acts on the detergent container.

Abstract: The present invention provides a multi access unit transport packetization method of an MPEG4 sync layer packet and a multi access transport packet, by which transmission efficiency is raised by removing redundancy of the MPEG4 sync layer packet of header data existing in a sync layer in case of transferring the MPEG4 sync layer packet via a transport medium. According to the present invention, the SL packets are bundled into a plurality of AU units to be packetized and a plurality of AUs are allowed to be transferred within one MATP packet, whereby the redundancy generated due to the SL packets us reduced as well as AUs can be effectively transferred. Specifically, the changed portion resulting from the examination of the previous and current AUs is allowed to be transferred, whereby the redundancy of the information coming by AU unit can be removed as well as the redundancy of the information coming by SL packet unit. Therefore, the present invention raises the transmission efficiency higher.

Abstract: A method and apparatus for storing/reproducing a transport stream and a digital receiver using the same are disclosed. The method for storing the transport stream includes the steps of receiving a TS, selecting a storing stream type for the TS, and transcoding the TS into a PES or PS according to the selected stream type and storing the transcoded stream, or storing the TS as it is. Accordingly, the structure for storing the PS or TS overcomes incompatibility of the stored stream and difficulty in the rate control at the time of reproduction in the general PVR.

Abstract: Provided is a sensor structure comprising a heater and a temperature sensor at the center of a membrane having a well structure, allowing a temperature to be rapidly controlled with low power, and the object is analyzed using a conductivity change measured at two or more substrate temperatures with a pair of detecting electrode and a detecting layer implemented on the heater, wherein the sensing layer can include a conductive particle and a non-conductive organic composite.

Abstract: Provided are mixed ligand metal nanoparticle chemical sensors in which metal nanoparticles are encapsulated by at least two kinds of different molecule ligands having a relatively low conductivity and various composition ratios, and a chemical sensor array in which a film of the metal nanoparticle sensor is formed on the substrate. The metal nanoparticle sensor using the mixed ligand improves sensitivity and reaction speed with respect to an analyte, and selectivity with respect to various analytes, and a kind and a composition of a ligand of the mixed ligand constituting the metal nanoparticle sensor are adjusted to allow the high sensitivity nanoparticle sensor to be applied to the sensor array technology, thereby enabling a design of sensor properties as well as systematic access to a configuration of the sensor array the most efficient for the analytes.

Abstract: Provided is a sensor including a semiconductor substrate having a well of a membrane, a sensor, a heater, and an electrode, and a method for manufacturing the same, whereby it is possible to realize the sensor, which is a small size, stable, and mass produced.

Abstract: A device and method for receiving and transmitting digital multimedia broadcasting is disclosed. The transmitting device includes an MPEG4 system including at least one of an ES_Descriptor of an audio object and an ES_Descriptor of a visual object at a set position of an Initial Object Descriptor (IOD) syntax, and encoding data indicated by the IOD using MPEG4 compression algorithms, and an MPEG2 system including the IOD in a Program Specific Information (PSI) table, and encoding the PSI table and data received from the MPEG4 system into an MPEG2 mode and transmitting the encoded data.