Abstract: The present invention is related to a device and method for processing a cell group in a common memory switch, in which output ports in the common memory switch are divided into an individualized output port group associated with only one output port and a grouped output port group associated with a plurality of output ports, wherein each output port is assigned to a unique group number.

Abstract: A method for interfacing between a rate adaptation processing unit (RAPU) and a board messenger processing unit (BMPU) in a wireless data communication processing apparatus is disclosed, wherein the method includes the following steps: forming common header in a first address of an allocated data buffer, the common header being usable commonly by a rate adaptation (RA) protocol data (RAPD) and a board messenger (BM) protocol data (BMPD) when the respective protocol data (PD) is received through the interfacing of the RAPU or the BMPU; storing the received PD in an information field; processing the common header by either the RAPU or the BMPU, depending on the flow direction of the protocol data between a communication system and the other communication system; and thereafter, placing a message pointer at the first address of the data buffer for receiving next set of protocol data.

Abstract: A temperature-compensated, long-period grating using a multi-cladding structure having an optical fiber including a core with a plurality of long-period gratings formed periodically thereon, and the core is doped with a first dopant to exhibit a positive coupling wavelength shift as the temperature increases; an inner cladding surrounding the core with a refractive index lower than the core; and, an outer cladding surrounding the inner cladding with a lower refractive index than said inner cladding, and the outer cladding is doped with a second dopant to exhibit a negative coupling wavelength shift as the refractive index of the outer cladding is increased with temperature so that the positive wavelength shift and the negative wavelength shift are canceled out.

Abstract: An apparatus for integrating the switch ports in an ATM (Asynchronous Transfer Mode) switching system, the apparatus comprising a cell controller for controlling input cells by the output port information of the routing information obtained from the input cells, a plurality of bundle registers for generating write enable signals with the values specified by the present counter upon receiving a valid integrated output port information through the cell controller, and a plurality of write enable signal generators for applying the write enable signals to the address FIFO's of corresponding switch ports.

Abstract: A method for inputting a plurality of characters in a wireless portable terminal of the type having a memory for storing a plurality of characters and a plurality of indices associated with each one of the plurality of characters, comprising the steps of: determining if a mode for inputting a character is selected; displaying at least one character along with at least one index associated thereto in response to the selection of the character-input mode; determining if the key data corresponding to the index is inputted; and, displaying and storing the associated character corresponding to the index when the key data corresponding to the index is inputted.

Abstract: A method for variably controlling the number of packets constituting a voice data frame according to the traffic condition to secure the real-time transmission of voice data.

Abstract: Disclosed is an optical device module having a heat transfer medium via a phase transformation for overcoming the non-uniform temperature distribution. The optical device module includes an optical device that requires temperature control; a temperature sensor for detecting the temperature of the optical device; a heat source for generating heat; and, a heat transfer medium, disposed between the heat source and the optical device, with a number of heat pipes inside thereof.

Abstract: Disclosed is an optical wavelength multiplexer/demultiplexer with uniform loss. The optical wavelength multiplexer/demultiplexer includes a first star coupler for dividing optical power of input optical signals received from input optical waveguides, an arrayed waveguide grating for guiding the optical signals outputted from the first star coupler therethrough in such a fashion that the optical signals have different phases, respectively, a second star coupler for coupling or dividing the wavelengths of the optical signals outputted from the arrayed waveguide grating, and outputting the resultant optical signals to output waveguides, respectively, and a waveguide mode controller for controlling the profile of a waveguide mode of the optical signals outputted from the arrayed waveguide grating, thereby allowing the optical signals focused at an output terminal of the second star coupler to have flat amplitude distributions.

Abstract: A cell re-sequencer for re-sequencing the cells switched by an ATM switching system, comprises a maximum delay register for setting the maximum delay value by initialization to output the maximum delay value according to internal clock pulses, a base address increment register for increasing the initial value of the initialization set as a base address one by one according to cell time clock pulses, a delay detector for detecting the real delay of a cell from its header, a cell storing address generator for adding the base address to the delay difference between the maximum delay and real delay to generate a cell storing address, a multiplexer for multiplexing the base address and cell storing address according to the cell time clock pulses, and a memory address register for temporarily storing the output of the multiplexer.

Abstract: A method for remotely controlling an external appliance via a mobile terminal in a mobile radio system supporting a short message service (SMS) which comprises the steps of periodically converting the status data of the external appliance into a short message in a predetermined form, transmitting the converted short message to the mobile terminal, setting the mobile phone in a short message transmission mode to transmit the converted short message to a designated message center, converting the received short message by the message center into the corresponding state data which is transmitted to an external appliance monitoring center, analyzing the state data of the short message by the monitoring center to produce a control command which is transmitted to the message center, converting the received control command by the message center into the corresponding short message which is transmitted to the mobile phone, transmitting the converted short message of the control command by the mobile terminal to the ex

Abstract: The hair iron includes a pair of arms (12 and 14) opened and closed by a pivot (16), and each arm has a gripping portion (18) and a hair treatment portion (20). The hair treatment portions are provided with respective hair treatment members between which hair is held and pressed to hairstyle the hair. The hair treatment members are of the type of having planar top surfaces (22 and 24), or undulating top surfaces (62 and 64). An image marker of concave and convex images (26, 28, 66 and 68) are provided on the opposing surfaces of the hair treatment members, which are also supported by supporting protrusions (32 and 34) formed on the arms. When the arms are closed, the hair is held between the hair treatment members and part of the hair is also held between the image marker so that an image is imparted with the part of the hair by the pressure and temperature applied to the hair.

Abstract: A method for reducing the number of channel cards in a base station by sharing channels between a plurality of frequency assignments and between a plurality of sectors of the base station during a traffic overload in a code division multiple access (CDMA) system of the type having a plurality of cells with each cell containing the sectors and each sector having a group of traffic channels and a group of frequency assignments to it that is same as the group of frequency assignments to other said sectors within that same cell, the method comprising the step of setting traffic channels to accommodate requests within the base station, the step of determining whether said set traffic channels are to be shared between the frequency assignments and/or between the sectors, in the event that the set channels are shared only between the frequency assignments, the step of determining the number of channel cards by calculating XY W , in event that the set channels are shar

Abstract: A fabrication method of graded index silica glass is disclosed. The method according to the present invention includes the steps of dispersing to form sol by mixing a starting material with a dispersion medium; molding the sol into a moisturized gel with a predetermined shape using a molding frame and separating the moisturized gel from the molding frame; drying the moisturized gel under a predetermined temperature and humidity level to remove the dispersion medium and to form a first dry gel having a predetermined moisture content distribution, hydrolyzing the moisture remained in the first dry gel and an additive solution by putting the first dry gel into the additive solution; re-drying the first dry gel, which underwent said hydrolysis, to form a second dry gel; and, thermal processing the second dry gel by supplying reaction gas thereto, removing impurities therefrom and annealing for isolation.

Abstract: The present invention discloses a method for assigning resource allocation according to different data transmission rate in a wireless local loop (WLL) system, wherein a radio distribution unit (RDU) connects radio carrier station (RCSs) and a local exchange (LE) through a plurality of trunks having a plurality of time slots for exchanging call set-ups and information signals.

Abstract: The present invention relates generally to an image tracking device in an optical communication system, and in particular, to a device and method for measuring the transverse characteristics, including the refractive index or residual stress of an optical fiber or a fiber preform.

Abstract: A skin-contact type terminal system includes a thermoelectric module for cooling or heating in accordance with a polarity of current provided from the skin-contact type terminal, with the temperature of cooling or heating being adjusted according to a level of a voltage provided thereto, and being controlled to maintain its cooling or heating operation for a predetermined time. A control unit senses generation of an alert request signal, supplies the voltage to the thermoelectric module in accordance with the sensed alert request signal so that the thermoelectric module cools or heats in accordance with the predetermined cooling or heating temperature. The control unit controls the thermoelectric module to maintain its cooling or heating operation for the predetermined time.

Abstract: The invention discloses a 4-line type helical antenna with a simple structure, which can obtain a uniform antenna gain even at a low elevation angle, has a radiation pattern that is not affected even when the antenna is mounted on the chassis of an automobile. The helical antenna comprises a circular cone having a metal surface interposed between an antenna body for transmitting and receiving radio waves to/from a satellite and a satellite terminal for transmitting and receiving the radio waves to/from the antenna body, wherein the circular cone reflects the radio waves of the antenna body. The antenna body has antenna conductors that are spirally formed thereon, and the circular cone is tapered at a predetermined angle so as to uniformly reflect the radio waves of the antenna body. The circular cone is fixed to one end of the antenna body in such way that the tapered angle of the circular cone should be uniformly allocated with respect to an axis of the antenna body.

Abstract: A mobile battery charger for charging different size of detachable battery packs which includes an upper casing frame having a charging groove for charging a detached battery pack, and a lower casing frame coupled to the upper casing frame for holding a printed circuit board, wherein a moveable support plate is provided between the upper and lower casing frames to adjustably receive the battery packs of different sizes.

Abstract: The process uses hydrochloric acid solutions to extract zinc from electric arc furnace dusts containing zinc oxide and zinc ferrite. To selectively leach zinc and minimize iron dissolution by precipitating as FeO.OH and Fe2O3, hot acid leaching with the aqueous solution containing 37 g/l-74 g/l HCl and 104 g/l-270 g/l ZnCl2 is used. New dust is introduced to remove iron from the filtrate of the hot acid leaching. The zinc chloride solutions purified by activated carbon and metallic zinc powder is electrolysed in electrowinning cells which had cation exchange membrane to produce high purity zinc metal and to regenerate hydrochloric acid. Electrolysing an aqueous solution of zinc chloride with Zn concentration of 50-130 g/litre below 40° C. in a cell divided by cation exchange membrane, whereby coherent zinc is yielded at the cathode with high current efficiency of exceeding 90%. HCl is directly regenerated with a very small loss below 2% and low energy consumption below 5.

Abstract: A high-power and wide-band fiber optic light source including a first rare-earth-doped optical fiber, a second rare-earth-doped optical fiber, an optical coupler coupled between the first and second rare-earth-doped optical fiber for transmitting the input pumping light to the second rare-earth-doped optical fiber, and a pumping light source adapted to supply pumping light, as the input pumping light, to the optical coupler.

Abstract: A toothpaste extractor or dispenser having a pneumatic pump connected to a syringe assembly that injects compressed air inside a toothpaste tube thereby urging the phase out through a nozzle positioned above a carrier assembly where the user's toothbrush is engaged. The user's force pushing the carrier in actuates, through a linking assembly, the pneumatic pump. All of these elements are mounted within a housing assembly.