A system and method determine when fluid is not flowing properly from a secondary infusion source during a secondary infusion. The system includes an upstream pressure sensor and a processor programmed to receive signals from the sensor and analyze the signals to determine if secondary fluid flow is proper. The processor samples the output signals from the upstream pressure sensor and analyzes the sampled signals to determine if a pressure rise in the infusion line has occurred when the secondary infusion is initiated. If a pressure rise, indicating that fluid from the secondary container has begun flowing into the infusion line, has not been detected, the processor is programmed to provide a signal indicating that attention should be given to the infusion set up.

A valve box platform is disclosed. The valve box platform may include a peripheral wall having a receiving surface for receiving a valve box. A first recess may be positioned within the peripheral wall. The first recess may include a knockout portion selectively disclosed therein. The peripheral wall may also include a U-shaped recess having a rounded receiving portion with the U-shaped recess being aligned with the first recess.

Disclosed is a corrugated plastic composite spring for a vehicle suspension and an apparatus and method for manufacturing the same. The apparatus includes a corrugated extrusion part, a braiding part, and a pultrusion part. The corrugated extrusion part forms a preform having a hollow corrugated structure. The braiding part weaves a three-dimensional woven fabric on the preform. The pultrusion part impregnates the three-dimensional woven fabric with thermosetting resin.

A tubular structure and method for making a tubular structure are provided, where the tubular structure includes at least one layer of braided strands. In general, at least one portion of the braided strands exhibits a braid pattern of crests and troughs (e.g., a wave pattern, which may include sinusoidal, square, and/or sawtooth waves) along a length of the tubular structure. The wave pattern can be created by rotating the mandrel onto which the tubular structure is braided during the braiding process, such as by angularly oscillating the mandrel about its longitudinal axis or about its transverse axis. As a result, the tubular structures may have increased radial strength, collapse resistance, torque transmission, column strength, and kink resistance. The tubular structures may be used in medical devices, such as stent-grafts, as well as in other medical and non-medical devices, such as in hoses, tubing, filters, and other devices.

A yarn object which, even though made of ultra-high-molecular-weight polyethylene, can be satisfactorily prevented from color fading caused by contact with other objects or the like, can be produced easily at low cast, and can maintain high strength. The yarn object is colored with a colorant. The yarn object includes a core yarn 2 colored with a predetermined colorant and an outer-layer yarn 3 disposed on the periphery of the core yarn. The outer-layer yarn 3 is disposed in such a manner that the core yarn 2 is prevented from contacting with other objects. The outer-layer yarn 3 includes a transparent filament and a space 4 is formed between the outer-layer yarns 3. The color applied to the core yarn 2 is externally visible through the transparent outer-layer yarn 3 and the space therebetween 4.

A method and apparatus for fabricating microbraided structures is provided. A microbraiding device includes first and second carrier members that are movable with respect to each other. Each carrier includes a plurality of shelters. Spool-less strands of microfiber are retained in shuttles that are movable between the first and second shelters under magnetic forces. The microbraid structure is fabricated as the shuttles move between the first shelters, and as the first carrier member moves relative to the second carrier member.

A method is presented for making a composite material from strips comprising longitudinal fibers and a binder or resin, which material comprises a number of layer assemblies one on top of the other. Each layer assembly comprises m sets (with m at least 2) of parallel strips each extending in a different direction, Each layer assembly is manufactured by successive steps of depositing groups of parallel strips according to a well defined pattern (without longitudinally interweaving strips with previously deposited strips). Before completing a layer assembly, with the exception of the last layer assembly, by depositing its last group of parallel strips, the first group of parallel strips of the following layer assembly is already deposited. A composite material manufactured with such a method is presented too.

An elastic longitudinal net (1) for longitudinal food products, especially cold meat products, is formed as a sleeve having at least one longitudinal main warp (21) of a tightening chain weave having at least one substantially inextensible thread (213, 214), and at least one weft (3) having at least one elastic fiber and circumferential sections (31), the ends of which are interweaved substantially perpendicularly between the substantially inextensible fiber and longitudinal sections (32) existing between neighboring circumferential sections (31) and running in a concurrent manner relative to and weaved with at least one main warp (21). The longitudinal sections are interweaved through at least one main warp (21) substantially perpendicularly relative to its longitudinal axis, passing through loops (215, 216) of the at least one substantially inextensible thread (213, 214) of the main warp, forming a serpentine run having at least two external loops (321).

A medical balloon with a variable diameter that is reinforced with continuous fibers woven to form a fabric with a varying number of layers and fiber densities. Portions of the balloon having a relatively smaller diameter are reinforced with a fabric having a reduced fiber density and an increased number of layers to facilitate the placement of the layers. The fabric also includes a braiding pattern that facilitates the transition from a single layer fabric to a multiple layer fabric. Also described is a manufacturing method for the braiding and layering.

A vascular device is provided that includes a tubular structure and an occluding structure. The tubular structure has inner and outer layers, with the occluding structure located between the inner and outer layers. Each of the inner and outer layers may define a different pick count, and the tubular structure may include a leading edge at a transition between the pick counts. The leading edge may be disposed at the distal end of the vascular device when the device is deployed from a delivery device. Furthermore, the occluding structure may have first and second layers formed by the inversion or eversion of the occluding structure and the subsequent coupling of its free ends to form a continuous structure. Thus, any loose ends may be sealed to minimize unraveling and/or shifting of the occluding structure within the tubular structure. A method of making the vascular device is also provided.

A three-dimensional preform, composite components formed with the preform, and processes for producing the preform and composite materials. The three-dimensional preform includes first and second sets of tows containing filaments. Each tow of the first set has a predetermined polygonal cross-sectional shape and is embedded within a temporary matrix. The preform is fabricated from the first and second sets of tows, in which the second set of tows are transverse to the first set of tows, adjacent tows of the second set are spaced apart to define interstitial regions therebetween, and the polygonal cross-sectional shapes of the first set of tows are substantially congruent to the cross-sectional shapes of the interstitial regions so as to substantially fill the interstitial regions.

A toothed cable is provided in which a strand can be securely joined to a core cable while maintaining flexibility of the strand. The toothed cable includes the core cable, a wire disposed spirally around the core cable at a fixed pitch, and the strand having a core thread and piles fixed to the core thread, the strand being disposed spirally along a groove having side walls and a bottom formed by the wire and the core cable. The toothed cable is obtained by a manufacturing method of disposing a meltable filament thread in the groove, disposing the strand in the groove with tension after the filament thread is disposed, melting the filament thread after the strand is disposed, and joining the strand to the core cable by solidifying the melted filament thread.

A braider for braiding wires to a tube comprising an iris assembly having stacked iris plates. Each of the iris plates includes a center aperture, a wire orifice disposed radially outward from the center aperture, and an arcuate channel. The iris plates are rotatable relative to each other to adjust a circumferential orientation of the wire orifices relative to each other. The arcuate channel(s) of each respective iris plate is coincident with the wire orifice(s) of the remaining iris(es). The braider comprises a feeder assembly configured for advancing the tube through the center apertures, and advancing the wires through the respective wire orifices. The braider further comprises a braiding assembly configured for braiding a plurality of filaments around the tube and the plurality of wires as they are fed through the iris assembly, thereby creating a braided tube assembly.

A method of braiding a stent includes braiding a number of elongate filaments around a mandrel using tensioned braiding carriers without spooling the filaments to the tensioned braiding carriers to form a braided stent having atraumatic ends.

A composite material comprising a plurality of fiber tape strips woven or braided together. Each of the plurality of fiber tape strips is made of a single layer of unidirectional fibers. The fibers are at least partially embedded in a thermoplastic matrix. A tubular composite part is made from this composite material and of an internal film. A method of manufacturing the composite material comprises weaving or braiding the fiber tape strips, especially in the form of a tube. A method of manufacturing a composite part comprises pressurizing the film inside the tube while heating both the tube and the film up to their forming temperature so as to bond the film to the woven fiber tape strips.

A system for making braided barbed sutures includes a filament winding assembly, and a guide assembly including at least one barbed insert dispenser opening defining a passageway for orienting a barbed insert. The guide assembly is adapted to dispense at least one barbed insert from the dispenser opening into the filament winding assembly for winding a plurality of filaments around the at least one barbed insert for making a braided barbed suture. The passageway of the dispenser opening is adapted to allow longitudinal movement of the barbed insert relative to the passageway while simultaneously preventing twisting movement of the barbed insert relative to the passageway. As the barbed insert is being dispensed, the barbed insert dispenser opening is selectively rotatable for imparting rotation to the barbed insert as the filaments are wound about the barbed insert. The passageway may be an elongated slit having a greater width than height.

The method produces an upper part of a shoe, in particular a sport shoe, with enhanced wearing comfort. The method entails supplying a shoe last, which corresponds to the inner shape of the upper part of the shoe to a radial braiding machine having an annular creel, which is designed for weaving and/or braiding along three axes; Guiding the at least one shoe last through the center of the creel and simultaneously weaving and/or braiding along three axes using a fiber material around the outer circumference of the shoe last; and Terminating the weaving and/or braiding and removing the woven and/or braided material from the shoe last.

A braider comprises a plurality of horngears. The horngears can be arranged for forming at least two closed paths for braiding. Each horngear has a driving gear and a hornplate. Each horngear can be selectably operated in a first mode, to rotate with the driving gear, and in a second mode, in which the driving gear rotates, but the hornplate does not. Bobbin carriers are positioned on some of the horngears. A track is configurable in: a first flat braiding mode with the carriers arranged on the horngears, so that there is one or more separate closed path for forming a first flat braid configuration; and a second flat braiding mode for forming a second flat braid configuration different from the first flat braid configuration. A switch is provided for changing a configuration of the track between the first and second flat braiding modes.

The invention relates to a method for the operation of a plaiting machine (1) that comprises a ring (2) carrying fiber spools (3) for plaiting layers (16, 22) of fibers (3) about a mandrel (13, 17) carried by a carrier (12) capable of movement along the axis (AX) of the ring (2), wherein after plaiting the fibers (3) are cut in order to withdraw the mandrel (13, 17), and that comprises: a hub (5, 6; 18) carried by the carrier (12) and secured to the mandrel (13; 17) while being mounted upstream therefrom; an operation for tightening the fibers (3) around the hub (5, 6; IS) with a link (11, 14) surrounding said fibers (3) after the mandrel (13, 17) has passed through the ring (2); and in which the fibers (3) are cut between the mandrel (13, 17) and the hub (5, 6; 18) before withdrawing the mandrel (13, 17).

Vascular treatment and methods include a plurality of self-expanding bulbs and a hypotube including interspersed patterns of longitudinally spaced rows of kerfs. Joints between woven structures and hypotubes include solder. Woven structures include patterns of radiopaque filaments measureable under x-ray. Structures are heat treated to include at least shapes at different temperatures. A catheter includes a hypotube including interspersed patterns of longitudinally spaced rows of kerfs. Heat treating systems include a detachable flange. Laser cutting systems include a fluid flow system.

A method of fabricating a mechanical member for aircraft, including a plurality of operations of braiding and depositing layers of braided reinforcing fibers on a mandrel (11) by using braiding machine. Each operation comprises braiding a braided layer and depositing it by moving the mandrel (11) along a central axis of the braiding machine. Each of the various superposed braided layers comprises both longitudinal fibers (12, 12G) that are parallel to a main direction of the mandrel (11), and interlacing fibers that are inclined. At least one operation is configured to form and deposit a braided layer having, in at least one cross-section of the member, a density of longitudinal fibers that differs depending on whether consideration is given to one angular region (S1) or another angular region (S2) of the same extent around the center of gravity (G) of the mandrel (11) in the section under consideration.

Disclosed is a method for producing a high strength synthetic strength member (7) containing rope (1) capable of being used with powered blocks where such rope has lighter weight and similar or greater strength than steel wire strength member containing ropes used with powered blocks. Disclosed also is the product resulting from such method. The product includes a synthetic strength member, a first synthetic portion (9) and a second synthetic portion. The first synthetic portion is enclosed within the strength member and the second synthetic portion is situated external the strength member. At least a portion of the second synthetic portion also is situated internal a sheath (8) formed about the strength member. The second synthetic portion has a minimal of 8% at a temperature of between negative 20 and negative 15° C.

Vascular treatment and methods include a plurality of self-expanding bulbs and a hypotube including interspersed patterns of longitudinally spaced rows of kerfs. Joints between woven structures and hypotubes include solder. Woven structures include patterns of radiopaque filaments measureable under x-ray. Structures are heat treated to include at least shapes at different temperatures. A catheter includes a hypotube including interspersed patterns of longitudinally spaced rows of kerfs. Heat treating systems include a detachable flange. Laser cutting systems include a fluid flow system.

Energy-absorbing textile structure, in particular for use in vehicle construction, which has high-tensile yarns for absorbing force, is formed by a braided fabric (2) with standing ends (3) in the force input direction and in that the textile structure has at least one region (4) with local modification of the fiber structure (2, 3).

The protective sleeve for a motor component of the present invention is obtained by braiding multifilament yarns made of synthetic fibers into a cylindrical braided cord of at least 24 strands. The multifilament yarns have a single-yarn fineness of at least 15 dtex but less than 30 dtex and the yarn total fineness of a single braid unit of the braided cord is in the range of 800 to 1500 dtex. This protective sleeve has good covering properties and few voids. Therefore, a protective sleeve for a motor component is provided that has high partial discharge characteristics (electrical insulation performance) and good electrical insulation properties even when a step of washing away the raw yarn oil solution applied to the filaments was omitted.

A continuous braid structure has one or more first braid sections, each having a respective single flat braid or a respective single tubular braid. A plurality of second braid sections each have at least two flat braids with a gap between them. The second braid sections alternate with the one or more first braid sections. The adjacent first and second braid sections are continuous with each other. A length of material extends through the respective gap of at least one of the one or more second braid sections, so the length of material crosses one or more times between a first side of the continuous braid and a second side of the continuous braid.

A method of braiding reinforcing fibers on a mandrel (8) with a machine having a ring (9) carrying at least two series of reels of fibers, by moving the mandrel at a predetermined forward speed while moving the two series of reels along the ring (9) so that they cross while rotating in opposite directions and at a predetermined speed of rotation about an axis (AX) of the ring. The braid is formed on the mandrel (8) in the vicinity of a region of convergence (R) of the fibers that together define a conical shape (C). The method comprises: a step of reconfiguring the machine in which the angle (a2) at the apex of the cone (C) defined by the fibers takes on a new value (a2); and a step of restarting braiding in which the movement of the reels along the ring (9) and the forward movement of the mandrel (8) are re-established with a new speed of rotation and a new speed of advance.

A rope having a cut-resistant jacket which includes a core comprised of a plurality of sub-ropes. The sub-ropes may be in a parallel strand configuration. The sub-ropes and the strands thereof may be made of fibers of a synthetic material, such as polyester, nylon, polypropylene, polyethylene, aramids, or acrylics. A cut-resistant jacket surrounds the core and is made from a material that has increased strength and/or abrasion resistance over the material of the core. The cut-resistant jacket may comprise steel wires and may further comprise braided steel wires or rope. The braided steel wires or rope may be covered with a plastic material for increased corrosion resistance. A filter layer may be disposed between the core and the cut-resistant jacket and may be wrapped around an outer surface of the core prior to the cut-resistant jacket being formed.

The invention relates to a medical implant, particularly a stent, having a wall (11) braided out of multiple wires (10a, 10b) said wall extending along a longitudinal axis L and curving around the longitudinal axis L at least in sections, wherein in each case at least two wire ends (12) of the wires (10a, 10b, 10c, 10d) are connected to at least two first braid ends (13a, 13b) forming a first circumferential section (16a) of the wall (11) extending around the longitudinal axis L. The invention is characterised in that in each case at least two first braid ends (13a, 13b) are connected to one or more second braid ends (14a, 14b), wherein the second braid ends (14a, 14b) form a second circumferential section (16b) of the wall (11) extending around the longitudinal axis L and following the first circumferential section (16a) in sequence in the longitudinal direction or the second braid ends (14a, 14b) are arranged in the circumferential direction U of the wall (11).

An exhaust connection coupler and a method for manufacturing a braid cover incorporated therein are provided. The method of manufacturing comprises the steps of providing a tubular sleeve formed of braided wire filaments and forming at least one end of the sleeve into shape using a forming die such that the at least one end of the cover includes a circumferential neck portion having a diameter smaller than the diameter of a body portion of the cover. In the method, the sleeve may be pressed between male and female forming dies in order to create the cover's desired shape, which can include a shoulder extending radially outwardly from the cover's neck portion and meeting the cover's body portion at a corner.

A method of manufacturing a corrugated preform that allows a fiber volume fraction and an orientation angle to be substantially the same at a concave portion and at a convex portion when the corrugated preform is manufactured based on a braiding process. The method includes braiding a composite material corresponding to an outer diameter of a cylindrical cylinder shape, braiding the composite material by connecting a plurality of separate composite materials to one side of the braided composite material, and braiding the composite material to one side of the separate composite material corresponding to the outer diameter of the cylindrical cylinder shape.

In a system and method for communicating data in a locomotive consist or other vehicle consist (comprising at least first and second linked vehicles), a first electronic component in the first vehicle of the vehicle consist is monitored to determine if the component is in (or enters) a failure state. In the failure state, the first electronic component is unable to perform a designated function. Upon determining the failure state, data is transmitted from the first vehicle to a second electronic component on the second vehicle, over a communication channel linking the first vehicle and the second vehicle. The second electronic component is operated based on the transmitted data, with the second electronic component performing the designated function that the first electronic component is unable to perform.

Method and instrumentation for detection of rail defects, in particular rail top defects, in a railway-track by measuring an axle box acceleration signal of a rail vehicle, wherein a longitudinal axle box acceleration signal is used as a measure to detect the occurrence of said rail defects. The method also includes measuring a vertical axle box acceleration signal of said rail vehicle, whereby the longitudinal axle box acceleration signal is used in combination and simultaneously with said vertical axle box acceleration signal. It is preferred that the longitudinal axle box acceleration signal is used to remove from said vertical axle box acceleration signal a signal-part that relates to vibrations of the rail vehicle's wheel set, including the bearing and axle box, and that the axle box acceleration signals are filtered for removing signal-parts contributed by vibrations of the track, including the rail, rail pads, fasteners, sleepers, and ballast.

A train signaling system, including a traffic signaling chain terminus set up unit configured to set a terminus location of a train running on the track and transmit a wireless traffic signal, a plurality of traffic signaling chain relay units installed along the track and configured to forward the wireless traffic signal and allow the wireless traffic signal to form a traffic signaling chain comprising distance-to-go information of the train, and a traffic signaling chain detection unit configured to allow the train to achieve the receipt of the information on the traffic signaling chain and calculate the distance-to-go of the train. A method for detecting distance-to-go of a train is also provided.

Data representative of a train consist (the train consist comprising a plurality of locomotives and a plurality of cars) and data representative of a route for the train consist can be processed by a processor to automatically determine which locomotives in the train consist should be powered on and which locomotives in the train consist should be shut down for each segment of the route. The processor can make these determinations based on an analysis of the train consist data and the route data with respect to a plurality of considerations that affect train efficiency. Recommendations for locomotive startups and shutdowns in accordance with such automated determinations can then be presented to the train crew for the crew to use during train operations. It is believed that when train crews are in compliance with such recommendations, significant improvements in efficiency, particularly with respect to fuel consumption, can be achieved.

A method for calibrating a moving object impact detector is disclosed. A controller may receive input indicative of movement of an impact element from a first position to a second position. The controller may also receive an activation signal corresponding to the movement of the impact element. The controller may further receive input indicative of instructions to correlate the activation signal with the movement of the impact element. The controller may selectively set the activation signal as a reference signal for the detector, with the reference signal being indicative of an impact the moving object impact detector is set to detect.

A system includes a communication module and a determination module. The communication module is configured to be located onboard a vehicle configured to travel along a route including plural sub-routes. The communication module is configured to receive route occupancy information from an off-board wayside module disposed along the route. The route occupancy information corresponds to a presence or absence of vehicular traffic on each sub-route within a range of a route detection system operably coupled to the wayside module. The determination module is configured to be located onboard the vehicle, and to obtain position information from one or more onboard detection units disposed onboard the vehicle. The determination module is configured to determine a particular sub-route on which the vehicle is disposed using a comparison of the position information obtained from the one or more onboard detection units and the occupancy information received from the off-board wayside module.

A train system that includes a plurality of train units including a first train unit and second train unit coupled together. Each first and second train unit includes a controller configured to detect a change in train configuration of the train units, and comprising a plurality of inputs; train integrity signal lines spanning each train unit and coupled with the controller at the plurality of inputs and configured to transmit signals between a front end and a rear end of the train system, the signals indicating a status of train integrity of the train system; and a plurality of relays in communication with the controller, and configured to indicate a coupling or non-coupling status of each train unit.

A tower control system, under an indexing mode of operation, receives a first signal from rail yard equipment. In response to the first signal, the tower control system establishes a positioning mode of operation. Under the positioning mode of operation, and in response to actuation of an interface of the tower control system, the tower control system sends a second signal to a lead powered rail vehicle of a consist. The second signal includes a first command to adjust a throttle setting of the lead powered rail vehicle, along with a second command to idle a throttle of any remote powered rail vehicle of the consist.

An electrical device not only controls train signals as trains advance, but also alters the voltage in the tracks leading up to the signals so that the trains will actually stop at a red signal, slow at an amber aspect and continue on at full speed when the signal is showing green. The electrical device of the present invention can change the “block signal” from “green” to “red”, thereby signaling the engineer behind the train to come to a stop. In addition, the electrical device can simultaneously change the voltage in the tracks to stop the approaching train at the red signal. Only when the forward train has cleared will the approaching train get a clear signal and voltage to resume its forward progress.

A method designed to replace a compromised instrument case with a new case without the need to disconnect any wire, relay or any other electric equipment is described herein. The instrument panel is supported for example by a temporary support frame during the dismantling of the old case and the assembly of the new case. The new case is therefore assembled on site around the instrument panel. The new instrument case includes a floor which is made of at least two parts, one on each side of the wiring. The instrument case therefore remains in a normal working mode during the entire replacement procedure thus preventing downtime. As well, the amount of manpower required for the replacement of an instrument case is drastically reduced.

An Engineer's View (EV) wireless video system for powered and unpowered model railroad engines is disclosed. The invention uses commercially available wireless spy cameras, powered by a custom power supply circuit which is compatible with either DC or DCC track systems. The present invention is compatible with all commercial model railroad gauge diesel engines including HO and N Gauge or may be factory installed. The EV system demonstrates a remarkably stable and realistic image of a model railroad layout. Moreover, the present invention may also provide a stable source of power to the engine where stalling could occur at points of track defects.

The present invention provides a method for improving operation density of rail vehicles and for preventing head-on collision and rear-ending collision. Said method divides a rail line into equidistant electronic zones, the length of a zone being greater than the shortest safe distance between two running vehicles. Said method installs a locomotive passing detection alarm device in each zone, when a locomotive travels at high speed on the rail, the locomotive passing detection alarm device corresponding to the zone occupied by the locomotive itself will simultaneously access adjacent front and back zones, and determine whether the two adjacent zones are simultaneously occupied by locomotives. If the two adjacent. zones are simultaneously occupied by locomotives, the locomotive passing alarm device will send an alarm signal to the locomotives to warn or otherwise take measures. The aforesaid method can avoid locomotive head-on collision and rear-end collision and increase transportation density according to the vehicle speed and distance at the same time, thus improving the transportation efficiency.

A method of monitoring and/or controlling components of a railway system which includes a track and at least one train that is operable to run on said track, comprises the steps of: a) providing an acoustic transducer proximate the railway for picking up acoustic signals; b) receiving acoustic signals from the transducer; and c) analyzing the received signals.

An on-board device capable of receiving train control signals from ground-side equipment of train control systems of different types or the like to control the speed of a train and the like appropriately, is provided. An on-board device 10 mounted on a train 1 includes ATC/TD antennas 11a, 11b that receive an ATC signal including train control information from loop coils installed along a route of the train 1, a vehicle radio set 12 that receives a CBTC signal including train control information from wayside radio sets installed along the route, an ATC control unit 141 that controls the train 1 based on the train control information in the ATC signal, a CBTC control unit 142 that controls the train 1 based on the train control information in the CBTC signal, and a selection unit 143 that selects the ATC control unit 141 or the CBTC control unit 142.

A railcar has an on-board system for detecting conditions of the railcar. The on-board system includes a plurality of condition sensors positioned on the railcar. A transceiver is in communication with each of the plurality of condition sensors so as to receive condition data from the plurality of condition sensors. The transceiver transmits the condition data to a receiving station remote from the railcar for review and analysis.

A mechanism for coupling a switch point to a point detector box having a point detector bar includes a first portion structured to be slidably coupled to the point detector bar and a second portion structured to be slidably coupled to the switch point.

Compounds of Formula I, including pharmaceutically acceptable salts, as well as compositions containing these compounds, have activity against hepatitis C virus (HCV) and may be useful in treating those infected with HCV:

The invention relates to an apparatus and method which allows information representing a state or condition or an action to be performed as part of a control system to be present to one or more users. The information is selected and generated in a manner which removes or at least reduces the risk of potentially catastrophic error occurring which would be possible if, for example, the information is corrupt or lost during subsequent transmission, remote processing and/or displaying. One such use of the apparatus and method of the invention is in relation to transport vehicles and the control of the movement of said vehicles along predefined geographical paths.

A method and system for verifying trackside conditions in safety critical railroad applications by reporting the status of trackside signals and switches to a remote train control system. The system comprises at least one sensor for providing trackside conditions electrically connected to a circuit for providing trackside conditions to a railroad, said sensor being powered by voltage applied to the circuit such that the sensor is energized only when said electrical component is engaged. The system and method further comprises a method and system which is failsafe and which enables the control system to independently verify signals from each sensor.