989 results about "Protective system" patented technology

A protective system or apparatus for use in vascular procedures includes a tubular guidewire, a control cable slidable within the tubular guidewire, and a sheathless filter. The control cable is attached to a distal end of the sheathless filter and the tubular guidewire is attached to a proximal end of the sheathless filter. Selective displacement of the control cable radially expands the sheathless filter to create a proximal exterior convex primary filter surface that is positionable downstream from a site of a vascular procedure. The sheathless filter also presents a distal interior concave secondary filter surface. Preferably, the sheathless filter is constructed of a braided wire framework in the form of a tube over which woven polymer fibers or strands are applied to create a filter mesh having a softer filter surface.

A light-emitting diode (“LED”) based strobe may be used in automated system to provide a visual alert to occupants and/or building personnel if an emergency condition exists. A LED based strobe provides an even distribution of light having a sharp, bright pulse of light desired for emergency evacuation using lower power consumption.

A network is protected from e-mail viruses through the use of a sacrificial server. Any executable programs or other suspicious parts of incoming e-mail messages are forwarded to a sacrificial server, where they are converted to non-executable format such as Adobe Acrobat PDF and sent to the recipient. The sacrificial server is then checked for virus activity. After the execution is completed, the sacrificial server is rebooted.

An intrusion protection system that fuses a network instrumentation classification with a packet payload signature matching system. Each of these kinds of systems is independently capable of being effectively deployed as an anomaly detection system. By employing sensor fusion techniques to combine the instrumentation classification approach with the signature matching approach, the present invention provides an intrusion protection system that is uniquely capable of detecting both well known and newly developed threats while having an extremely low false positive rate.

A tissue protective system and method having particular application in thermoablative surgical therapies where heat or cold is used to create a kill zone for treating cancer cells as well as malignant or benign tumors in a targeted internal tissue area (e.g., the prostate) of a patient while sparing an adjacent benign internal tissue area (e.g., a neurovascular bundle). One of a hollow sheath or a balloon that is carried by a balloon catheter is located within an access opening that is made by a needle trocar inserted between the targeted tissue area in need of treatment and the benign tissue area to be protected in order to hold the protected tissue area off the targeted tissue area and away from the lethal temperature of the kill zone. The balloon of the balloon catheter is inflated in the access opening via a balloon channel which runs longitudinally through the catheter. At least one temperature sensor is mounted on the balloon and responsive to the temperature near the benign tissue area to be protected. Heat or cold is provided to the balloon from a heating wire or a circulating fluid, depending upon the temperature that is sensed by the temperature sensor.

The invention discloses a network safety situation awareness early-warning method and system based big data, and the method comprises the steps: collecting intelligence information from the Internet, non-governmental organizations, governmental agencies and interiors of companies; obtaining log and network flow generated by safety equipment, network equipment, a host and other safety protection systems, carrying out the real-time preprocessing of the collected original data, carrying out the standardization of the data after preprocessing, and converting the data into safety data with the unified standard; carrying out scene modeling according to different attack behaviors, carrying out correlation analysis through combining with the intelligence information and the safety data, and generating early-warning information; carrying out the check processing of the early-warning information, and carrying out the visualized display of the early-warning information after check. The method can achieve the complete sensing of a safety situation, the early warning of safety threats and the capability of timely handling and responding of a safety event, and improves the overall safety protection capability of a power system.

A system for providing radiation protection is provided that includes a garment that contours to an operator's body. The garment protects the operator from radiation. The garment is supported by a suspension component that reduces a portion of weight of the garment for the operator, the garment including a belt, which includes a release mechanism that offers an entry into the garment. In more specific embodiments, the release mechanism is a quick release that allows the operator to disengage from the garment using a single hand movement. The belt can include at least one flexible joint. The belt opens to allow the operator to enter the garment, and the operator, in entering and exiting the garment, is able to limit his contact to components on or near a front of the garment such that the operator can operate the release mechanism for the garment without losing sterility.

The invention relates to a real-time digital simulation model for a multi-infeed direct current power transmission system. The real-time digital simulation model comprises a plurality of equivalent super-voltage direct current power transmission systems which are connected in parallel, wherein the super-voltage direct current power transmission systems comprise a primary system real-time digital simulation model and a secondary system real-time digital simulation model; the primary system real-time digital simulation model comprises a convertor station and a direct current power transmission circuit, wherein the convertor station is arranged on the two ends of the direct current power transmission circuit; the secondary system real-time digital simulation model comprises a convertor station control system and a protective system, wherein the convertor station control system and the protective system are connected with the convertor system, and are used for controlling and protecting the operation of the convertor station. The operation of the convertor station is controlled and protected by the convertor station control system and the protective system, so that a plurality of direct current simultaneous faults and a plurality of direct current faults which are easily caused by alternating current system fault are avoided, and the impact to the alternating current system in a fault recovery process is avoided.

A pen needle shield system according to the invention comprises at least an injection end shield positioned on the injection side of the hub, shielding the injection end of the needle after an injection, or in the event of an accidental triggering. The injection end shield is compressed toward the hub against the pressure of a biasing spring. The injection end shield engages a sleeve, which is arranged coaxially on the hub such that after the injection is administered the biasing spring pushes the injection end shield to cover the injection end of the needle, carrying the sleeve with it. The sleeve engages the hub, locking out the injection end shield in a position in which the injection end of the needle is covered by the injection end shield. The system also may incorporate a non-injection end shield that engages with the hub when the pen injector is unscrewed from the hub to lock out the non-injection end shield in the position protecting the non-injection end of the needle.

A safety shield system for a pen needle according to the invention has a first passive safety shield for the injection end of a needle, covering the needle before and after use, and a second passive safety shield for the non-injection end of the needle, covering the non-injection end of the needle before and after use, and locking in the covering position when the pen injector is removed.

A universal Automatic Train Protection ATP vehicle mounted system and mode control method. The invention mainly uses digital signal processing and safe redundant control technology, designs a safe Protection Automatic control system which can receive many varieties of ground vehicles information transmission modus, realize the combination of the train speed steps control and the first-order speed-distance model curve and realize the generalization of vehicle automatic protection system vehicle mounted equipments. And the ground vehicles information transmission modus consists of analog and digital track circuit, responder, GSM-R transmission, 2.4GHz wireless transmission, etc. the safe protect control is the safe braking model control using the combination of speed steps and first-order speed-distance model curve. The system mainly consists of power module, ground vehicles information transmission reception module, central processing module, recording module and man-machine interface MMI module, etc. The beneficial result is getting a solving program for users on the base of reducing construction costs and intercommunicating transport operation.

The invention relates to an expansive soil cut slope support structure and a construction method thereof, in particular to the field of highway and railway cut slope protection of expansive soil regions. The expansive soil cut slope support structure comprises a rigid supporting system, a flexible protection system and a waterproof and draining system. The rigid supporting system comprises a lame retaining wall arranged on an expansive soil cut slope and a retaining wall foundation; the flexible protection system comprises a lattice beam arranged on the expansive soil cut slope, an anchor rod, a flexible net-shaped geogrid laid on the slope surface and a plant cover planted on the slope surface; and the waterproof and draining system comprises an intercepting ditch or drainage ditch arranged at the top of the slope, a permeable layer positioned behind the retaining wall, a drainage ditch and a drainage seepage ditch positioned below the drainage ditch. The slope surface is supported through a flexible supporting system, and in comparison with a rigid supporting method of fully laying a mortar rubble structure on the slope surface, the construction cost is reduced by over 20%, and the construction period is greatly reduced; and expansive force generated when expansive soil is met with rainwater and expands can be effectively released.

An arc flash detection system includes a sensor for determining and responding to the presence of an arc flash condition in electrical equipment by detecting a pressure rise, rate of pressure rise and/or ultraviolet radiation characteristic of an arc flash, and generating a signal in response thereto; and processing means responsive to said signal for operating a protective system to de-energize the electrical equipment within a period of time of sufficiently short duration to prevent a pressure wave from the arc flash from causing unacceptable darn age to equipment or personnel.

A protective system is configured to protect a display, screen and/or housing of a portable electronic device while the device is not in use. The protective system also may connect to an accessory providing input/output functions for the portable electronic device. The accessory may provide a support element configured to orient and support the portable electronic device in a working orientation that is inclined relative to the accessory. The support element may include an elongated recess into which an end portion of the portable electronic device may be positioned. Such a channel may be at an incline and/or may be sized such that the portable electronic device is at a leveraged position within the channel such that the support element can support the portable electronic device in the working arrangement even in the absence of supplement support elements.

This invention relates to protection system in the user identification and filter technique, wherein, current network user can download each kind of materials with most not suitable for children; and we can adopts biological collection technique to judge age of biology but the current device has not the control, limitation or degree on internet for children.

An improved male sports/athletic undergarment/cup protective system provides maximum comfort, avoiding stress on the protected body parts while holding the cup securely in its optimal location in the undergarment. A conventional rigid cup is totally covered with a conformal sheath of soft fabric material and fitted externally with a triangular pattern of three snap fastener members made and arranged to removably engage three complementary snap fastener members attached in a matching triangular pattern inside the front panel of a sports/athletic undergarment. The interior layer of the fabric sheath is retained conformal to the interior surface of the cup, and the cup is secured against any shift or creep relative to the sheath and an attached undergarment. by a plurality of sewn-through points at each of which the exterior layer is seized together with the interior layer by loops sewn through vent openings configured in the cup.

A web threat protection system may receive candidate uniform resource locators (URLs) from several URL sources. The candidate URLs may be received in a submission database. At least a portion of the candidate URLs is selected for further investigation by sending crawlers to retrieve objects from the selected URLs. The retrieved objects may be analyzed to determine whether they are malicious or good (i.e., not malicious). The result of the analysis may be used to build a security states database that includes security information of the selected URLs. Good URLs may be included in a safe URL sphere, which may be used to navigate to good websites on the Internet.

Fall-sensing systems are provided which do not generate false alarms for a non-falling event. Inventive fall-sensing systems may be magnetometer-free. Thin-profile (less than ½ inch, pre-inflation) wearable systems are provided. By removing the problem of false alarms and by slimming the pre-inflation profile, a practically useable wearable protection solution may be provided for an individual prone to falling. The number and severity of hip fractures in the elderly may be reduction. The inventive product actively assesses fall accidents and triggers an inflatable airbag protection device. The problem of non-compliance in wearing hip protectors that has previously limited the effectiveness of other hip protectors also has been solved.

The invention relates to an automatic train protection system and method based on image identification and multi-perception fusion. The automatic train protection system comprises an image collection unit (1), an image processing unit (2), a multi-perception fusion processing unit (3), an auxiliary perception unit (4) and an early warning result output unit (5), wherein the image collection unit (1), the image processing unit (2), the multi-perception fusion processing unit (3) and the early warning result output unit (5) are connected in sequence; the auxiliary perception unit (4) is connected with the multi-perception fusion processing unit (3). Compared with the prior art, the automatic train protection system and method based on image identification and multi-perception fusion can be adapted to complex conditions appearing in urban mass transit operation lines, the safe protection of a train is automatically realized according to the practical condition of a line, and the operation safety of urban mass transit is greatly improved.

The invention relates to a ground electrode circuit grounding protective system of a high-voltage DC transmission system. The system is provided with two parallel ground electrode circuits respectively connected in series with a high-voltage DC breaker, sets an allowable range of current differences of two ground wires and an allowable range of the subtraction of the line current sum of the two ground wires from the line current difference of the two ground wires and then sequentially executes the following control program: (1), reading currents of the two ground wires; (2), judging and comparing whether an absolute value of the current difference of two ground wires is larger than the allowable range thereof, if the absolute value is not larger than the allowable range, returning to the step (1); if the absolute value is larger than the allowable range, (3) then, judging whether the subtraction of the line current sum of the two ground wires from the line current difference of the two ground wires is smaller than or equal to the allowable range; if the subtraction is smaller than or equal to the allowable range, returning to the step (1); and if the subtraction is not smaller than or equal to the allowable range, enabling the high-voltage DC breaker which is connected in series with the ground wire with larger line current to trip and terminate the program. The system can avoid the imbalance of the ground electrode circuits due to the failures of the ground electrode circuits and protects the caused DC transmission system to be closed down.

The invention discloses a perimeter protection system which comprises a fencing, a video monitoring system, an optical fiber shaking alarm system and a monitoring center, wherein a protective area is encircled by the fencing; a plurality of monitoring centers are distributed by the video monitoring system along a protection perimeter and are communicated with one another; a shaking detection line is paved by the optical fiber shaking alarm system along the protection perimeter; the video monitoring system and the optical fiber shaking alarm system are respectively connected with the monitoring center; the monitoring centers collect video information of the protection perimeter and transmit the video information to the video monitoring center; and the optical fiber shaking detection line detects shaking information of the protection perimeter and transmits the information to the monitoring center. The invention further provides a corresponding perimeter protection method which comprises the step of: sensing shake of the protection perimeter and alarming; judging and transmitting position information of an alarm point; calling a scene image of the alarming point according to the alarm information; and determining and processing the alarm information.

A measuring system (100) for the optical measurement of an optical imaging system (150), which is provided to image a pattern arranged in an object surface (155) of the imaging system in an image surface (156) of the imaging system, comprises an object-side structure carrier (110) having an object-side measuring structure (111), to be arranged on the object side of the imaging system; an image-side structure carrier (120) having an image-side measuring structure (121), to be arranged on the image side of the imaging system; the object-side measuring structure and the image-side measuring structure being matched to each other in such a way that, when the object-side measuring structure is imaged onto the image-side measuring structure with the aid of the imaging system, a superposition pattern is produced; and a detector (130) for the locally resolving acquisition of the superposition pattern. The imaging system is designed as an immersion system for imaging with the aid of an immersion liquid (171). A structure carrier to be arranged in the region of the immersion liquid is assigned a protective system (125) in order to increase the resistance of the measuring structure to degradation caused by the immersion liquid. A measurement of immersion systems under immersion conditions is thereby possible without detrimental influence of the immersion liquid on the measuring accuracy.

The invention relates to a malicious code analysis method, in particular to a system and method for malicious code analysis based on cloud computing. The system for malicious code analysis based on cloud computing comprises a malicious code analysis proxy and a malicious code could analysis system. The malicious code analysis proxy comprises a safety monitoring engine, a searching and killing engine, a local black list, a local white list, a behavior pattern bank and a virus characteristic bank. The malicious code could analysis system comprises a characteristic judging and searching engine, a sample storage center, multiple analysis engines, a global black list, a global white list, a global malicious behavior characteristic bank and a global virus characteristic bank. According to the system and method for malicious code analysis based on cloud computing, safety servitization is achieved based on the cloud computing technology, compatibility and cooperation of the multiple searching, killing and analysis engines are achieved, the threat analysis and response ability of the whole network is improved through the strong data processing and analysis ability of a cloud terminal, rapid discovery, rapid analysis and rapid processing of host threats are achieved, the safety of the host operation environment is guaranteed powerfully, and the self-protection ability of a host intrusion detection protective system can also be improved.

An improved personal radiation protection system that substantially contours to an operator's body is suspended from a suspension means. The garment is operable to protect the operator from radiation. The suspension means is operable to provide constant force and allows the operator to move freely in the X, Y and Z planes simultaneously, such that the protective garment, face shield, illumination means or other attachments integrated the system are substantially weightless to the operator. A face shield and arm cover can also be incorporated with the system, such that the face shield and arm cover are substantially weightless to the operator. The suspension means may be mounted to the ceiling, a vertical wall, the floor, or on a mobile platform.

A preferred embodiment of the present invention is directed to a modular saw guard system for a power saw of the type which has a table top, a rotatable circular saw blade, the table top having an opening through which the saw blade can extend, the system comprising a riving knife mounted to the saw rearwardly of the blade and having a top surface and at least one aperture near the top surface, a blade guard and kickback prevention mechanism that is releasably mounted to the riving knife, the mechanism comprising a mounting channel configured to fit on and be releasably attached to the riving knife, the blade guard portion being pivotally attached to the mounting channel, the kickback prevention portion being pivotally attached to the mounting channel; and a lever mechanism for holding the mounting channel to the riving knife and for releasing the mounting channel for removal therefrom, the lever mechanism including a movable pin member for engaging the aperture of the riving knife.

The invention relates to a method for improving and protecting a collapsible loess slope project, which is characterized in that: the loess slope project is protected by adopting improved loess (3), gunny bags (4), a protective net (5), a geogrid (6) and a drainage ditch (8), wherein the improved loess is prepared by stirring and blending lime, fly ash and loess in a volume ratio, the total volume of the lime and fly ash accounts for no less than 30 percent of the volume of the admixture, the SiO2 and Al2O3 total content of the fly ash is no less than 75 percent, and the lime is calcium quicklime or calcium hydrated lime; the geogrid (6) is high-density polyethylene uniaxial geogrid; the gunny bags (4) are jute gunny bags; and the protective net (5) is made of a flexible stainless steel material. The method has the advantages of stabilizing the slope, solving the stability problem of the fill slope, realizing waste utilization, afforesting the environment and preventing soil erosion by improving the structural protective system consisting of the loess and geogrid; and the method is suitable for improving the collapsible loess project in civil engineering and can be used for projects such as highway embankment filling, building foundation improvement, retaining wall reinforcement and the like.

The invention discloses a train control system adapting to existing line reconstruction. The train control system adapting to existing line reconstruction comprises ground equipment and on-board equipment. The ground equipment comprises an interlocking system, a parallel-port LEU and an active balise which are mounted in a station and connected sequentially, wherein the parallel-port LEU combines contact states of the interlocking system into access selection conditions and sends station messages to the corresponding active balise, and when a train passes through an acting range of the active balise, the active balise sends the corresponding station message to the on-board equipment of the train. The on-board equipment comprises a BTM (balise transmission module), a BTM antenna and an automatic train protection system, wherein when the train passes through the acting range of the active balise, the BTM receives the station messages sent by the active balise and sends the station messages to the automatic train protection system for subsequent processing. The train control system adapting to existing line reconstruction has the advantage that access information is sent to the on-board BTM through the station messages to enable a driver to acquire correct access information directly, so that the train pull-in risk that the driver selects wrong access information due to misoperation is avoided.

A protective covering system having high-flexibility and low areal density characteristics. In one aspect of the invention, the protective system includes a plurality of metallic staples or wire elements secured to multi-layer matrix including woven fibers, the layers being oriented at cross angles to provide a grid-like pattern of protective elements. In one aspect of the invention, protective elements provide a coverage area of less than 90% and as little as 40% of total surface area. In one aspect of the invention, protective elements may be mechanically secured to a matrix by a puncture and crimp process. In another, wire elements may be attached or woven into one or more matrix layers.

The invention discloses an Android application program protective method and system based on order confusion in the technical field of information safety. A permutation matrix needed when an application program is confused is generated, and binary codes of the Android application program are confused, so that the confused codes can not be reversed. A system mirror image document used for executing the confused application program is generated, a safe executing platform is set up, and the confused application program is executed. The Android application program protective system based on order confusion comprises a matrix generation module, an application program confusion module, an interpreter generating module, a system document generation module and an executing module. The Android application program protective method and system based on order confusion can effectively protect the Android application program from the attack of an attacker suck as reversing and tampering.

The present invention relates to a non-invasive engine guard system, which comprises: a) at least one ultrasonic sensor for providing data representing the cooling fluid level in a coolant hose, wherein said coolant hose connects between said engine and a radiator; b) a temperature sensor for monitoring” whether the temperature of said engine or said coolant hose is not above a predetermined level; c) attaching means for externally attaching said ultrasonic sensor and said temperature sensor on top of said coolant hose; d) an electronic unit for controlling said system, processing said data, and for generating information related to the temperature and the cooling fluid level in said coolant hose.