635results about How to "Improved performance characteristics" patented technology

The present invention provides a method, system, and computer program product for applying transformations to extensible documents, enabling reductions in the processing time required to transform arbitrarily-structured documents having particular well-defined elements. Signatures for structured document types are defined, along with one or more transformations to be performed upon documents of that type. The transformations are specified using syntax elements referred to as maps. A map specifies an operation code for the transformation to be performed, and describes the input and output of the associated transformation. A special map processing engine locates an appropriate transformation object to a particular input document at run-time, and applies the transformation operation according to the map definition. This technique is preferably used for a set of predetermined core transformations, with other transformations being processed using stylesheet engines of the prior art. The input documents may be encoded in the Extensible Markup Language (XML), or in other structured notations. The techniques of the present invention are particularly well suited to use in high-volume and throughput-sensitive environments such as that encountered by business-to-business transaction servers.

A cellular wireless packet data communication system containing transmit-only endpoint devices which transmit to receive-only base stations. The system is configured to allow for large area coverage (e.g., a metropolitan area) with far fewer number base stations than are required with conventional two-way cellular systems. The base station coverage areas are configured to overlap, allowing for reception of packets at multiple base stations. A data concentrator resolves redundantly received messages. The network is configurable as a WAN, a LAN, or a combination of the two. Novel modulation techniques (e.g., a 16QAM submodulation together with a 7FSK modulation) are used such that low cost components can be used in the transmitters and receivers while achieving outstanding probability of success performance. The endpoint devices are battery operated and accordingly, are designed for low power consumption and multi-year battery life. The system is used in a variety of applications including remote monitoring and mobile communications.

The present invention is related to methods and apparatus that compensate for quadrature impairments of an analog quadrature modulator and/or demodulator over a relatively wide signal bandwidth. One embodiment pre-distorts baseband signals in a quadrature modulator compensation signal processor (QMCSP) to negate the quadrature impairment of an analog quadrature modulator and corrects a received baseband signal in a quadrature demodulator compensation signal processor (QDCSP) to cancel the quadrature impairment of an analog quadrature demodulator. The QMCSP and the QDCSP contain adaptive digital filter correction structures that pre-compensate and post-compensate, respectively, for the quadrature impairments introduced by the analog quadrature modulator and the analog quadrature demodulator over a relatively wide bandwidth. A phase shifter advantageously shifts the phase of a local oscillator signal to the analog quadrature demodulator to distinguish quadrature impairments introduced by the modulation path from quadrature impairments introduced by the demodulation path.

By introducing a atomic species, such as carbon, fluorine and the like, into the drain and source regions, as well as in the body region, the junction leakage of SOI transistors may be significantly increased, thereby providing an enhanced leakage path for accumulated minority charge carriers. Consequently, fluctuations of the body potential may be significantly reduced, thereby improving the overall performance of advanced SOI devices. In particular embodiments, the mechanism may be selectively applied to threshold voltage sensitive device areas, such as static RAM areas.

Abstract of Disclosure A simple, inexpensive prosthetic foot is provided incorporating a cushioned ankle including an ankle block formed of a resilient material or bladder having desired compliance and energy return characteristics. The ankle block is sandwiched between a foot element and an ankle element. One or more openings extends through the ankle block with a substantially transverse orientation relative to a forward walking motion. The size and shape of these openings, as well as the insertion of different types of stiffeners therein, provide desired performance characteristics to the ankle block. When the ankle block takes the form of one or more inflatable bladders, the pressure within these bladders is individually controlled by valves to provide desired performance characteristics to different portions of the prosthetic foot. A pump system can also be used to control and generate fluid pressure into these bladders. A preferred pump system generates fluid pressure based upon the movement of the amputee onto two telescoping pylons that are connected to the prosthetic foot.

A system is provided for optimizing a path for a marine vessel through a waterway from an initial location to a final location. The system includes a propulsion system and a directional system on the marine vessel, which impart a selective propulsion force on the marine vessel at a selective direction based on a received propulsion command and direction command from a processor. The processor determines an optimal path for the marine vessel, an optimal propulsion command and optimal directional command at a respective incremental location along the optimal path, so to optimize a performance characteristic of the marine vessel. The determination of the optimal path, the optimal propulsion command and the optimal directional command is based on the initial location, the final location, at least one operating parameter, the performance characteristic, and navigational data of the waterway.

The invention features a photopolymerizable composition that comprises a cationically polymerizable resin, and a photoinitiator system comprising an iodonium salt, a visible light sensitizer, and one or more anthracene-based compounds as electron donors. Electron donor combinations used in the invention include multiple substituted anthracene compounds or a combination of at least one substituted anthracene compound with unsubstituted anthracene.

An electronic device that facilitates improved electrical and thermal performance and/or allows fabrication of smaller electronic devices exhibiting excellent performance characteristics, especially for devices operating at microwave frequencies, includes an input/output pad, and a carbon nanotube extending from the input/output pad to provide wafer-level nano-interconnect for flip chip interconnections and die stacking on a substrate.

The present invention relates to products having a foam carrier or substrate, and particularly to such products employing a reticulated polyurethane foam carrier impregnated with silicone polymer. The present invention also relates to a method of producing these silicone-impregnated foam products.

The invention relates to cosmetic or dermatologic compositions comprising a microsphere and a film forming component.

The invention discloses a modified positive electrode material of a lithium ion battery and a preparation method of the modified positive electrode material. The modified positive electrode material is characterized in that the modified positive electrode material is made of a lithium fast ion conductor and a positive electrode material of lithium ion battery at a molar ratio of n:1, wherein n is larger than 0 and not larger than 0.15. The invention also discloses the preparation method of the modified positive electrode material of the lithium ion battery. The modified positive electrode material provided by the invention is improved in conductivity property performance and surface properties, thereby enhancing the specific volume of the lithium ion battery, and improving the charging-discharging efficiency, rate capacity, cycling performance and temperature adaptability of the lithium ion battery.

A CMOS transistor structure and related method of manufacture are disclosed in which a first conductivity type MOS transistor comprises an enhancer and a second conductivity type MOS transistor comprises a second spacer formed of the same material as the enhancer. The second conductivity type MOS transistor also comprises a source/drain region formed in relation to an epitaxial layer formed in a recess region.

Disclosed herein is a continuous process to make super absorbing polymer characterized by feeding at the head-end of a pressurized vessel, an aqueous solution of SAP forming monomer solution, either in un-neutralized or pre-neutralized condition, the monomer(s) being conveyed to the reactor vessel at a relatively low temperature of from 5° C. to 15° C. into a pressurized head feed zone of the reactor. The head pressure is maintained the reactor at a minimum level of greater than or equal to about 20 p.s.i.g. and the SAP advances to the discharge end. A relatively constant mass of SAP is maintained of at least 50% volume of SAP in the vessel, and the rate of entry and exit are kept relatively constant. The reaction vessel is equipped with a venting means to regulate the internal bead pressure to advance the SAP to the discharge end without mechanical agitation. The continuous polymerization process is followed by drying and pulverizing the discharged SAP polymer, including optional post-treatment steps.

A simple, inexpensive prosthetic foot is provided incorporating a cushioned ankle including an ankle block formed of a resilient material or bladder having desired compliance and energy return characteristics. The ankle block is sandwiched between a foot element and an ankle element. One or more openings extends through the ankle block with a substantially transverse orientation relative to a forward walking motion. The size and shape of these openings, as well as the insertion of different types of stiffeners therein, provide desired performance characteristics to the ankle block. When the ankle block takes the form of one or more inflatable bladders, the pressure within these bladders is individually controlled by valves to provide desired performance characteristics to different portions of the prosthetic foot. A pump system can also be used to control and generate fluid pressure into these bladders. A preferred pump system generates fluid pressure based upon the movement of the amputee onto two telescoping pylons that are connected to the prosthetic foot.

Multilevel microfluidic devices include a control line that can simultaneously actuate valves for both sample and reagent lines. Microfluidic devices are configured to contain a first reagent in a first chamber and a second reagent in a second chamber, where either or both of the first and second reagents are contained at a desired or selected pressure. Operation of a microfluidic device includes transmitting second reagent from the second chamber to the first chamber, for mixing or contact with the first reagent. Microfluidic device features such as channels, valves, chambers, can be at least partially contained, embedded, or formed by or within one or more layers or levels of an elastomeric block.

A decorative dry paint wall film includes a layer of dry paint, a pressure-sensitive adhesive layer on one side of the dry paint layer, and a release liner in releasable contact with the dry paint layer on a side opposite from the pressure-sensitive adhesive (PSA). The release liner has a matte release coat layer that contacts the dry paint layer. The release liner is released from the dry paint layer after the PSA side is attached to a wall. The matte release coat transfers a matte finish to the dry paint layer when the release liner is removed. The wall film includes a barrier layer to protect against significant discoloration of the color in the dry paint layer caused by migration of azo-type pigments from a painted wall surface. The barrier layer in one embodiment comprises a dry emulsion containing ethylene-vinyl alcohol and a dispersed polymeric material which in one embodiment comprises a urethane material.

Bioabsorbable, water-soluble hemostatic cellulose based gauze matrix structures are described, including one or more species of chitosan, etherized cellulose, nonionic surfactant, water-soluble polysaccharide hydrocolloid and/or gum. Approximately 85% to 95% deacetylated decrystallized chitosan, present in an amount from about 2% to about 15% by weight, is found to be particularly advantageous. Favorable properties are found related to rapid stoppage of bleeding and bioabsorbability, among other properties.