PURPOSE: A reinforcing jack is provided to prevent a length control unit from being rotated, and to reduce costs by only replacing a damaged component. CONSTITUTION: A reinforcing jack(100) comprises a housing(110), a length control shaft(120), a length control unit(130), and a rotation prevention unit(140). The housing has a space and an opening(114) communicated with the space. The length contro...

PURPOSE: A dried plating method of a porous sinter fragrance is provided to improve product value by performing dry plating to maintain the state of a plating layer. CONSTITUTION: A dried plating method of a porous sinter fragrance comprises the following steps of: sintering pure metal powder(S10); heating a sinter(20) under condition of temperature which is 10~50% lower than melting temperature, ...

The present invention provides a benzimidazole-based copolymer represented by the following chemical formula [1] in which: D is an electron donor, A is a benzimidazole-based derivative, and n is an integer of from 10 to 150. The macromolecular compound according to the present invention can be used in various fields such as organic macromolecular solar cells, organic thin-film transistors and orga...

PURPOSE: A PR-SCTP(Stream Control Transmission Protocol) based real-time multimedia data transmitting method for QoS improvement is provided to supply a real-time multimedia service by using only SCTP among transmission protocols, thereby saving resources of a server or a client. CONSTITUTION: If a client becomes a play state, a server calculates lifetime of each multimedia message according to a ...

PURPOSE: A solder resist composition and a printed circuit board manufactured thereby are provided to improve the resolution of the board with lots of titanium oxide to form a high precision pattern, and to maintain the high reflective rate. CONSTITUTION: A solder resist composition contains a resin including an ethylene unsaturated group within 1 molecule and a carboxyl group, a bis-acylphosphine...

PURPOSE: An electro actuating wedge brake apparatus for a vehicle and a controlling method of the same are provided to improve the accurate of a braking operation by preventing the generation of non-linearity behavior in a wedge driving unit. CONSTITUTION: A wedge brake apparatus includes a driving wedge(110), a counter wedge(120), a wedge column(140), a nut bracket(160), a needle guide(170). One ...

Apparatus and methods provide for a way to intelligently maximizing capability for a media download service over a wireless network. An available bandwidth of the wireless network is estimated and compared against a threshold. If the available bandwidth is above a predetermined threshold, the service is operated in a high bandwidth mode. If the bandwidth is not above a predetermined threshold, the...

PURPOSE: A multipurpose deburrer is provided to effectively remove burrs formed to the front end part and/or rear end part of a slab and to mark identification signs on the deburred slab. CONSTITUTION: A multipurpose deburrer for removing burrs formed to the front end part and/or rear end part of a slab cut in predetermined length by a torch cutting machine includes a first deburring part and a se...

A method of manufacturing touch screen panels includes forming a photoresist film on a first surface of a substrate having high transmittance, removing the photoresist film in regions between unit cells by utilizing exposing and developing processes, etching the substrate in the regions where the photoresist film has been removed, removing the photoresist film from the substrate after the etching,...

A display apparatus having a plurality of scanning lines and a plurality of signal lines is provided. A plurality of first pixels are arranged between first and second scanning lines adjacent to each other, and arranged near at least some of the signal lines. A plurality of second pixels are arranged, some on one side of the signal line arranged near the first pixels, and the others on the other s...

PURPOSE: A control method of the air conditioner for a vehicle comprising a stop-start system is provided to considerably enhance the fuel mileage by controlling the operation of the air conditioner of a vehicle when the engine stops. CONSTITUTION: A control method of the air conditioner for a vehicle comprising a stop-start system comprises the following steps. If the engine stops in the state wh...

A system and a method for providing a wireless data service are provided to enable a user to download data at high speed while using the wireless data service, thereby providing the user with the high-quality service and enabling a mobile communication service provider to make profits by imposing service fees of certain price on the high speed data service user. A system(10) for providing a wirele...

PURPOSE: A field electron emission apparatus is provided to easily perform a packaging operation by securing a space between an anode panel and a gate panel using a spacer. CONSTITUTION: An anode pane(10) forms an anode electrode, a fluorescent material layer, and a reflective layer on the lower side of an upper substrate. A gate panel(30) seals a cathode panel using a sealing part. In the cathode...

PURPOSE: Misfire diagnostic system and method are provided to indirectly determine the road condition and cancel the determined misfire state by perceiving it as a misfire due to a rough road if the road is rough. CONSTITUTION: A misfire diagnostic system comprises a misfire diagnosis unit(20) and a misfire determination unit(30). The misfire diagnosis unit decides based on the number of misfire o...

PURPOSE: A method and a device thereof are provided to analyze the influence of a partial bandwidth jammer signal regarding the bit error rate performance of a DM-DQPSK system based on a chirp spread spectrum by obtaining a signal to noise ratio. CONSTITUTION: A variation of a partial bandwidth jammer signal and a power spectrum are modeled in a CSS system. A signal to noise ratio is modeled in th...