Provided is a case film for a pouch type lithium primary battery which is suitable for application in a film type lithium primary battery. The case film for a pouch type lithium primary battery includes a flexible multilayer film in which a first polymer film, a second polymer film, a metal film, and a third polymer film are sequentially stacked. The first polymer film is formed of a hydrocarbon c...

A method and apparatus for domain name autoconfiguration in an IP-based wireless sensor network is provided. The method includes: receiving sensor node information including position information for representing an installed position of a sensor node, a type of data to be provided by the sensor node, and an internet address of the sensor node; searching for area information including an administra...

A distributed location recognizing method for reducing the error of the whole location information in a wireless sensor network and an apparatus thereof are provided to reduce complexity and improve the efficient position awareness of the high accuracy. Neighboring nodes are searched. A probability distribution model indicating distribution probability of the nodes is determined according to the d...

Provided is a method of delivering data in a wireless personal area network. One of nodes forming the wireless personal area network broadcasts data including the address and the sequence number of one node to a plurality of other nodes, and broadcasts one of the data and other data to the other nodes depending on whether the data is received from the other nodes within a predetermined time. Accor...

A high frequency differential mixer is provided to reduce a dimension of a chip by generating an ideal differential signal from a switching current. An active load(100) includes one or more transistors(QAL1,QAL2,QAL3,QAL4). The transistors are cross-connected. A switching part(110) is connected to the active load. The switching part includes a switching transistor for performing a switching operat...

A method and apparatus for controlling voice quality in WLAN is provided. The codec bit rate of wireless terminals is adjusted by collecting channel state information for determining a channel occupation time of wireless terminals connected to an access point, adjusting the codec bit rate of the wireless terminals based on channel occupancy of the wireless terminals with respect to total channel c...

An apparatus for restoring clock by using a circulator and a bandpass filter is provided to restore each clock signal corresponding to transmission speed in a clock restoring apparatus in case that each clock signal corresponding to each transfer rate is restored. A circulator(610) outputs input data signal of different transmission speed and includes a plurality of output ports. In case the clock...

Provided are a simulation apparatus and method used to simulate a sensor network. A sensor node of a real node is reflected in a simulation, and bidirectional communication is performed between a real node and a virtual node, in order to reflect a real environment and a simulation environment in each other and make the real node and the virtual node consistent with each other, thereby performing s...

PURPOSE: A slide gate of a lane switching mode is provided to change a driving stroke and a compression stroke easily regardless of the whole strokes, and to improve credibility of functions. CONSTITUTION: A slide gate of a lane switching mode includes a base frame(110), a suspension frame(120), a slide frame(130), and a surface pressure spring unit(150). The slide gate further includes a slide wh...

PURPOSE: Provided are a jelly-roll type of electrode assembly which has so improved structure as to allow battery to have an increased capacity per unit volume, and a secondary battery applying the same. CONSTITUTION: The assembly(30) comprises: a cathode plate(41) comprising a cathode collector(42) of thin film having a cathode uncoated part(44) which has not cathode active material and is placed...

A battery unit including an electrode unit including a positive electrode plate, a separator, and a negative electrode plate, wherein the positive electrode plate, the separator, and the negative electrode plate are disposed in sequential order; electrode leads extending from each of the positive and negative electrode plates of the electrode unit; and a finishing tape provided on an outermost sur...

PURPOSE: Provided are a lithium ion polymer cell, to which insulating case is most suitably, thermally bonded when sealing of the polymer cell, and a method for sealing the same. CONSTITUTION: The lithium ion polymer cell comprises a pole plate assembly which is formed by winding a cathode plate and an anode plate formed by applying an active material on a cathode collector and an anode collector ...

An apparatus for electric treatment of fluid is provided. When heavy metal ions or a colloid carrying a positive charge is present in fluid traveling through metal pipework, a negative electrode is formed using a metal component having high ionization tendency, a positive electrode is formed using a metal component having ionization tendency lower than that of hydrogen, and an insulating layer is ...

A hand-held finger-pressure massager is provided, which prevents the inflow of the foreign material to the inside and makes washing facilitated. A hand-held finger-pressure massager comprises: a handle case(10); a control unit(20) which is installed inside the handle case and in which the program is inputted; an electromagnet(30) receiving the signal of the control unit and operating in the set up...

A hand-held finger-pressure massager is provided, which simplifies the assembly and analysis and easily enforces the washing. A hand-held finger-pressure massager comprises: a handle case(10) in which a plurality of retractable holes are formed in the front side of the curved surface; a control unit(20) which is installed inside the handle case and in which the program is inputted; a drive motor(3...

PURPOSE: A chamber for testing a semiconductor device is provided to perform the separated operation for a cooling process by installing a plurality of vaporizers and a plurality of coolers. CONSTITUTION: A test room includes high temperature environment and low temperature environment. A PC rack is installed in a PC room. A cooling part includes coolers which emit heat to the outside of vaporizer...

Novel oxazolidinone derivatives are provided to improve antimicrobial activity by increasing broadness of antibiotic spectrum especially against antibiotic-resistant bacteria, reduce toxicity, and show strong antimicrobial effects on gram-positive and gram-negative bacteria, so that the compounds are useful as antibiotics. The novel oxazolidinone derivatives represented by the formula(1) have high...

A hydrocarbon-based proton conducting copolymer is provided to ensure excellent processability and high content of a hydrophilic group, and to be stable in water and acid while having high ion conductivity. A hydrocarbon-based proton conducting copolymer has a repeating unit represented by chemical formula 1, wherein an inherent viscosity measured on NMP(N-methyl-alpha-pyrrolidinone) of 25 °C is 2...

PURPOSE: A one-touch type fingerprint recognition apparatus is provided to recognize the accurate position of a fingerprint recognition sensor by exposing it to the outside. CONSTITUTION: A button part(110) is installed in the front of a main body(101) and is moved backward and forward. A fingerprint recognition part(120) is installed so as to be rotatable centering on a horizontal axis at a lower...