A method and a system for mutual authentication are provided to prevent a session key from being exposed due to a rogue AP(Access Point) by proving the mutual authentication between the terminal and the AP. An authentication server(230) generates a session key and a ticket corresponding to a terminal(210) according to the authentication request of the terminal. The authentication server encrypts t...

A method for preparing a saw palmetto liquid tea composition, and a saw palmetto liquid tea composition prepared by the method are provided to obtain the promotion of urination and the activity of the medicine used in prostatism. A method for preparing a saw palmetto liquid tea composition comprises the steps of selecting the suitable materials; mixing the materials; washing a saw palmetto composi...

A novel ruthenium compound, and a method for preparing a ruthenium thin film by using the ruthenium compound are provided to minimize the generation of RuOx or impurities. A novel ruthenium compound is represented by the formula 1. A method for preparing a ruthenium thin film comprises the steps of injecting the ruthenium compound of the formula 1 in vapor phase into a reactor equipped with a subs...

An air conditioner of the invention comprises a body with an air suction inlet and an air discharge outlet for sucking the air and discharging the mixed air; a blade arranged on the body for opening and closing the air suction inlet and air discharge outlet and guiding the air, wherein the blade comprises an inside component and an outside component combined with said inside component, a space is ...

A lighting system using a light pipe is provided to reduce a manufacturing cost and to connect efficiently optical pipes with each other by using a coupler and a combination member. A lighting system using a light pipe includes a first optical pipe(110), a second optical pipe(120), a first coupler(130), a second coupler(140), and a combination member. The first optical pipe and the second optical ...

The present invention provides a dehumidifier, including a main body (2), comprising a dehumidification passage in which indoor air is sucked in and the sucked-in indoor air is dehumidified and a reconditioning passage in which reconditioning air circulates, a dehumidification rotor (60), comprising a dehumidification portion configured to dehumidify the indoor air and a reconditioning portion rec...

PURPOSE: An optical pipe and a lighting apparatus having the same are provided to make an optical film in a roll type having a small radius. CONSTITUTION: A lighting apparatus(300) includes a light source(310), an optical pipe(320) and a reflection cap(330). The light source generates the light. The light is inputted into the optical pipe. The optical pipe distributes the inputted light to the out...

PURPOSE: An air-conditioner is provided to enable a user to easily grip a front panel by an inclined portion for improving grip feeling for the front panel. CONSTITUTION: An air-conditioner comprises a main body(2) and a front panel(70). The main body comprises an air inlet part, an air outlet part, and an opening. Through the air inlet part and the air outlet part, air is inhaled and ventilated b...

PURPOSE: An air-conditioner is provided to improve outer appearance and simplify a structure by enabling a decorating member to decorate a front side of the air-conditioner and function as a screen for displaying display information. CONSTITUTION: An air-conditioner comprises an air condition unit, a front frame(152), a transparent member(162), a decorating member(164), a display cover(180), and a...

A Torreya nucifera chocolate and a preparation method thereof are provided to show polyphenol components of common chocolate and to secure the insecticidal and antioxidant efficacy of Torreya nucifera. A Torreya nucifera chocolate(10) is composed of a shell(11) of a first chocolate and Torreya nucifera ganache(12) filled in the shell. The content of Torreya nucifera is 34-37wt% on gross weight bas...

A power source and hydraulic supply apparatus of a rotary rubber injection machine is provided to minimize the exposure of a pipe and a wire to outside by embedding a hydraulic supply line and a source supply line inside a center support shaft. A power source and hydraulic supply apparatus of a rotary rubber injection machine comprises a hydraulic pressure supply device and a power supply device. ...

An ironing board is provided to secure the excellent cohesive power of an iron and pad as steam is ejected to lower side of the ironing board. An ironing board comprises: a bottom plate(10) having a plurality of discharge holes(15) and an upper support surface(12); a drainage layer(20) formed on the top of the bottom plate, supporting cloth, passing moisture; a cover(30) covering the drainage laye...

A rotary driving apparatus of a rotary rubber injection molding machine is provided to increase rotation accuracy and torque by delivering the power of the drive motor when a rotary table is rotated. A rotary driving apparatus of a rotary rubber injection molding machine comprises a worm wheel(100), a worm gear(110), a worm shaft(120), a reverse-rotating prevention spring unit(130), a driving shaf...

PURPOSE: An exchangeable cutting insert for accurately mounting on a pocket is provided to stably mount a mounting surface in a narrow diameter of a cutter and expand the lifetime of the cutting insert. CONSTITUTION: An exchangeable cutting insert for accurately mounting on a pocket(100) faces a vertical surface and an upper surface(150). A vertical surface crosses with the upper surface and the l...

An interactive system of a ubiquitous real city and a virtual city and a method thereof are provided to confirm a state change of a real city in real time by a 3D character of a user and an electronic digital map of 3D type in the system. An interactive system of a ubiquitous real city and a virtual city comprises the following steps of: generating a world electronic map of connected with location...

PURPOSE: An expansion joint replace method of construction of the bridge deck using water-swellability lime compound is provided to crush the concrete structure rapidly and to minimize the affect of noise, vibration, and the dust generation to the peripheral structure. CONSTITUTION: An expansion joint replace method of construction of the bridge deck using water-swellability lime compound comprise...

A camera module assembly and a CCTV with the same are provided to perform a rotating function, a panning function and a tilting function of a monitoring camera. A mountain cover(32) is combined in a panning plate. A cutting unit is formed in one side of the mountain cover. A depression unit is formed in an upper side of a rotary ring supporting part(33). A rotary ring(34) is received in the depres...

A connecting apparatus for a flexible-pipe is provided to efficiently connect the flexible pipe by fixing closely the flexible tube with the connection hole. One end of connecting member(10) is inserted into the connection hole formed in the objects. The flexible pipe inserted into the objects is supported. The fixing member(20) is connected to the connecting member supporting the flexible pipe. T...

A location recognition system of a mobile robot and a method thereof enable more accurate calculation in the process for calculating the distance value from the receiving signal intensity because the receiving signal intensity can be considered according to the antenna direction. A location recognition method of a mobile robot comprises as follows. The data including the fixed location coordinate ...