Abstract: An associative memory of the TRIE type is organised in the form of registers of 2K cells having a portal register from which binary strings are analyzed in successive slices of K bits. Each non-empty cell contains either a pointer or a reference. This reference is issued after the analysis has followed a path formed by the cells designated by the successive slices of K bits in the registers designated by the pointers encountered in these cells in succession. The data is stored in the TRIE memory in response to commands to insert and delete binary patterns of variable length, each associated with a reference, so that when a bit string is analyzed, the reference issued is that associated with the longest of the binary patterns coinciding with the start of the string being analyzed.

Abstract: Disclosed is a Brillouin erbium-fiber laser system producing multiwavelengths with a dual spacing of 10 GHz and 20 GHz. The Brillouin erbium-fiber laser system includes: a Sagnac reflector generating even- and odd-order Strokes waves by launching input lights, a first unit forming a first resonator with the Sagnac reflector, wherein the first unit is coupled to a first directional coupler in the Sagnac reflector, a second unit forming a second resonator with the Sagnac reflector, wherein the second unit is coupled to the first directional coupler in the Sagnac reflector, and a third unit for inputting Brillouin pump light into one of first and the second units, whereby the optical fiber laser system outputs multiwavelengths with a dual spacing.

Abstract: In order to reduce acoustic echo and restore stereophonic sound in a digital transmission system of sound signals on multiple transmission channels, between a local site and one or several remote sites, comprising several microphones and loudspeakers, the method consists in the following steps: computing a weighting factor to be applied to each microphone signal before emitting, based on two attenuation factors computed from the microphone and loudspeaker signals; transmitting on each transmission channel the linear combination of weighted microphone signals; computing a weighting factor to be applied to each loudspeaker signal; and emitting on the loudspeaker the linear combination of transmitted, weighted signals.

Abstract: A process for improving the reception quality of a Code Division Multiple Access (CDMA) signal that judiciously distributes reference symbols between two CDMA signal components, namely an in phase component (I) and quadrature component (Q). The reference symbols are distributed in only one of the two components, namely the I or Q component. To further improve the reception quality, the pseudo-random spreading sequence used for one of the components is different from the pseudo-random spreading sequence used for the other component. The applications of this process include mobile land radio communications.

Abstract: The present invention relates to an apparatus of a high speed optical buffer utilizing a cell pointer so that optical cells of asynchronous transfer mode can be stored and processed at high speed without the restriction of processing time for a high speed network architecture, wherein an internal switch of the apparatus would be controlled by extracting optically the cell pointer indicating starting point by using a high speed optical buffer with terahertz optical asymmetric demultiplex (Terahetz Optical Asymmetric Demultiplexer) in order to avoid a collision of each cell which is transmitted on a same channel especially at the high speed network.

Abstract: An asynchronous transfer mode (ATM) host adapting apparatus comprising: a storage block for storing packet information, received cells, and parameters; an ATM network interface handling block for performing direct memory access of ATM cells and parameter stored therein, segmenting transmit packet information, reassembling received cells, transmitting and receiving the ATM cells to physical media cell received, and arbitrating in the direct memory access; and a secondary interface block for connecting the storage block to the ATM network interface handling block.

Abstract: A method for assembling a microsystem neighbor list that defines control channel usage within a common operational band used by the microsystem, the overlying macrosystem and any computer microsystems. Such a method can be implemented by a frequency planning controller within the microsystem, the microsystem itself or, in the case of the computer-controlled microsystem, in a computer program product defining such method. Assembly of the microsystem neighbor list includes defining preferred and non-preferred members, wherein the preferred members of the macrosystem neighbor list include at least one control channel identified within the common operational band which determined to be available for use by the microsystem. The non-preferred members of the microsystem neighbor list will include control channels being used by adjacent macrocells of the overlying microsystem, or any competing microsystems.

Abstract: Disclosed are method and apparatus for improving battery performance by transferring waste heat generated from heat generating components to the battery that, when brought to a high temperature, attains better performance according to temperature characteristics of the battery. According to the disclosure, an electronic device capable of effecting improved battery performance comprises a central processing unit generating waste heat when being operative; a battery for supplying power to said electronic device; and thermal conducting means, first end thereof making thermal contact with said central processing unit and second end thereof making thermal contact with said battery, causing heat transfer between said central processing unit and said battery. Said waste heat generated by said central processing unit is transferred to alter the temperature of said battery such that its output voltage is stabilized and capacity enlarged.

Abstract: A method for detecting the presence of a bridge tap and other types of fault in a transmission line. Initially, test signals of predetermined frequencies are transmitted into a transmitting end of the transmission line. The test signals are received at a receiving end of the transmission line and the amplitudes of the received signal are measured. A frequency response of the transmission line is computed based on the measured amplitudes. The frequency response is then analyzed for the presence of a frequency-domain signature that corresponds to one of the detectable types of fault. The presence of a bridge tap or another type of fault is identified based on the detected frequency-domain signature. The frequency-domain signature associated with a bridge tap can comprise a set of one or more attenuation dips in the frequency response, with each attenuation dip corresponding to a local minima in the frequency response.

Abstract: An access box for one or more optic fibers in a tensioned cable has a structural section that integrates the passing cable and has a central connection system area demarcated by two connection bases to which there are connected a plurality of cleaved optic fibers. The connection system area has a plurality of mini-cables providing for the shuffling of the cleaved optic fibers and/or a plurality of branching cables providing for the branch connection of the cleaved optic fibers. A box of this kind can be used for the shuffling and/or branch connection of a plurality of optic fibers on a tensioned cable, when the cable is being laid or subsequently.

Abstract: A method and a kiosk for managing access to goods and services available via a computer network. A list of identifiers is created. Each identifier is associated with at least one service of a merchant. Tickets are distributed to customers. Access to a service is authorized upon recognition of an identifier on a ticket. The kiosk comprises a generator for generating a list of identifiers, a supervisor which associates an identifier with at least one service of a merchant, a data base of tickets to which the identifier has been applied, and a controller for checking the identifier.

Abstract: An asynchronous transfer mode (ATM) protection triggering method using “received-AIS” flag determines whether the failure generation position is generated within a protected domain or not, by determining whether the “received-AIS” flag is “0” in case that a node detecting a failure link transmits an end-to-end AIS cell to a downstream side node, and a source point passing the end-to-end AIS cell sets the “received-AIS” flag to “1” and then receives “AIS cell receiving” signal from a sink point of the protected domain, thereby obviating a CRC-10 calculation problem and a backward compatibility.

Abstract: Data packets are transmitted over a communications link in an interleaved manner. The link comprises a series of time-division multiplexed (TDM) frames, each frame comprising a plurality of time slots, a time slot being shorter than a data packet. Data packets are transmitted over a series of the TDM frames, one time slot in each of the series of frames being used to transmit a portion of that data packet. Different ones of the data packets begin in different TDM frames. Received data packets are allocated a modified header for use over the communications link. The modified header has a shorter address than the address in the received packet header and the modified header can be split into a plurality of parts which are distributed across the length of the transmitted packet.

Abstract: A 0.98 &mgr;m semiconductor laser of a ridge waveguide (RWG) structure includes: to be lengthen the durability of a semiconductor laser by increasing a catastrophic optical damage (COD) level, a ridge having a fixed width and length so that the strip may stop in the position of 30 &mgr;m on the basic of end portion of an output facet along length direction of a resonator; and a non-waveguide region in the end portion of both sides of a resonator.

Abstract: A rear light entry photodetector array chip is secured face-down with solder on to the front face of a ceramic submount provided with electrically conductive vias. A frame-shaped mass of solder seals the chip to the submount to provide a hermetic enclosure protecting sensitive semiconductor surface areas of the photodetector chip array where electric fields are liable to be present in the vicinity of a pn or metal/semiconductor junction. The place of the photodetector array can be taken by a similar construction array of semiconductor light-emissive opto-electronic devices, such as VCSELs, or a mixed array including emitters and detectors.

Abstract: An electronic mail pop-up control system in a dealing system for lightening a burden on a dealer handling a large amount of information at the same time by reducing the number of operations to be done on a dealing talk terminal, said control system lightening a burden on a dealer by displaying an electronic mail which is one of means for exchanging information between talking terminals 1 on a display 1-26 of a called side talking terminal 1 without any operation performed by a dealer at the called side.

Abstract: The decoder receives a bit stream representative of an audio signal, with a flag indicating any missing frames. For each frame, an excitation signal is formed from excitation parameters recovered in the bit stream if the frame is valid and estimated otherwise if the frame is missing, and the excitation signal is filtered by means of a synthesis filter to obtain a decoded audio signal. A linear prediction analysis is performed on the basis of the decoded audio signal obtained up to the preceding frame to estimate at least in part a synthesis filter relating to the current frame, whereby the successive synthesis filters used to filter the excitation signal, as long as there is no missing frame, conform to the estimated synthesis filters.

Abstract: A bipolar transistor including an extrinsic base on the surface of a silicon substrate covered by a first layer of doped polycrystalline silicon, an intrinsic base that is separated from the extrinsic base and covered by a second layer of polycrystalline silicon that constitutes the emitter and that is insulated from the first layer of polycrystalline silicon, and a link base that links the extrinsic base to the intrinsic base. The link base is located under the first layer of doped polycrystalline silicon.

Abstract: A repeater allows terminals of a first communications system, employing a first air protocol or radio interface, to communicate with terminals of a second communications system, employing a second air protocol or radio interface different from the first. Where the first and second air protocols differ only in operating frequency, but are otherwise compatible, the repeater may linearly translate signals from the first operating frequency to the second operating frequency, and vice versa, without demodulating and remodulating the signals. Where the air protocols differ in other ways, the repeater receives and demodulates signals from the first system, converts the signals to a common format, and remodulates and retransmits the signals according to the second air protocol (and vice versa), in the same frequency bands or in different frequency bands.

Abstract: A digital camera with rotatable components is disclosed. In the front of camera there is provided a lens, a flash, and a viewfinder, while in the rear thereof there is provided a liquid crystal display (LCD) corresponding to lens, a control button, and the rear of viewfinder. Control button is operable to press for rotating lens, flash, viewfinder, and LCD in the same direction and into a desired angle with respect to an object. Next a shutter button on the camera is operable to press for taking a picture. This camera has the benefits of ergonomic, precise picture taking, and full covering of the object by flash.