149results about How to "Control safety" patented technology

A method and an apparatus for monitoring and controlling flows in medical equipment including an anesthetic machine and a ventilator for influencing a patient's respiratory system are disclosed. The apparatus comprises a microprocessor and an airway system comprising drive gas conduits provided with an inhalation valve (2) and an exhalation valve (5) for gas discharging as well as a ventilator end flow sensor (3) for measuring the introduced or discharged drive gas flow through the valves. The airway system also comprises patient end breathing tubing in which a patient end flow sensor (11) for measuring the patient's inspired and expired gas flow is provided. By comparing the measured values of the two flow sensors against the characteristic curve of the inhalation valve (2), the microprocessor can judge the operation states and accuracy of the respective flow sensors and the inhalation valve (2).

In a rechargeable non-aqueous electrolyte secondary battery using positive electrodes, negative electrodes and a non-aqueous electrolytic solution, additives to the electrolytic solution are used in combination, preferably in combination of at least two compounds selected from o-terphenyl, triphenylene, cyclohexylbenzene and biphenyl, and thus there are provided batteries excellent in safety and storage characteristics.

Systems and methods for cooling an inverter of a variable frequency drive that drives a compressor in a cooling system for electronic equipment are disclosed. The system includes a first fluid circuit that cools electronic equipment using a first fluid flowing therethrough and a second fluid circuit that free cools a second fluid flowing therethrough. The second fluid circuit cools the first fluid using the free-cooled second fluid. The system further includes a third fluid circuit that mechanically cools the second fluid using a third fluid flowing therethrough as a function of the wet bulb temperature of atmospheric air. The third fluid circuit includes at least one compressor compresses the third fluid and is driven by a motor coupled to the variable frequency drive. At least a portion of the first fluid flowing through the third fluid circuit is diverted to cool the inverter of the variable frequency drive.

A biometric authentication method and system may be implemented in a client server architecture to provide substantial access control security and ease of administration. Users are enrolled in the system by providing multiple biometric measurements which are stored in a database as part of the user's biometric profile. Upon attempted access of a computer, the biometric authentication engine determines which biometrics are required and what the biometric matching criteria are based on the location of the computer, time of day and other security conditions. If the user is determined not to be authentic, a security policy may cause an action to occur such as revoking the user's access privileges or causing the login attempt to appear to be successful while the authorities are summoned.

The invention relates to an adaptively interactive intelligent electrical appliance cluster system, which is characterized in that a signal transmission network is adopted to connect with a man-machine information interaction device, a preset processing program device of a computer, a communication signal forwarding device, a property management system and a controlled interactive intelligent electrical appliance cluster system; the interactive intelligent electrical appliance cluster system comprises a controlled appliance cluster which is constituted by a plurality of controlled appliances and is connected with the controlled appliance communication networks of the controlled appliances; and each controlled appliance comprises an interactive intelligent electrical appliance cluster system which is formed by a system communication module, a local communication module, an environment monitoring module and a signal processing module. The system provided by the invention has a self-judgment of appliance function, thus the appliances have a self-correction capacity respectively; and when a cluster of appliances conflict in operation, the adaptive adjustment among the appliances can be conducted, thus the system provided by the invention is high in intelligentization.

An electric heating system for motor vehicles including one or several electric heating elements; a control circuit provided for controlling the power dissipated by the heating elements; the control circuit including one or several power semiconductors arranged on a circuit board; the circuit board is by means of a solid matter connection connected by the side facing away from the power semiconductors to a metal plate intended to be mass potential; the metal plate being electrically insulated from conductor paths located on the underside of the circuit board and intended to carry a voltage in relation to the ground potential; the control circuit being arranged in a housing. One or several heat sinks are provided outside the housing. The metal plate is connected with the heat sinks arranged outside the housing by thermally conductive connectors.

A secure data broker has been developed, which provides a restricted message based data exchange between a client application and a secured information resource by allowing registered or verified messages to be brokered across a security barrier. In some configurations, both requests and responses are validated and brokered across the security barrier. In other configuration, either requests or responses are validated. To support validation, messages are formatted in accordance with a predefined message specification for at least part of a transaction path between a client application and an information resource accessed by the client application.

The invention discloses a PC-control-supporting multi-rotor-wing unmanned-aerial-vehicle control system. A multi-rotor-wing unmanned-aerial-vehicle platform of the control system collects video information by constructing a multi-rotor-wing unmanned aerial vehicle; a PC-terminal ground control platform constructs a ground control platform at a PC terminal in a programming design mode to serve as a human-computer interaction interface for transmitting a control command to the multi-rotor-wing unmanned aerial vehicle; a PC-control-supporting multi-rotor-wing unmanned-aerial-vehicle communication system achieves the functions such as flight control command transmitting, flight state data transmitting and video returning data transmitting by carrying an ARM main control panel on the multi-rotor-wing unmanned aerial vehicle. By means of the PC-control-supporting multi-rotor-wing unmanned-aerial-vehicle control system, new control modes are expanded; meanwhile, the operative difficulty index is decreased, control accuracy is increased, the information collecting function and the information feedback function are expanded, the safety performance is improved, and the defects that present control based on a remote controller is high in operative difficulty index, inaccurate in control and indirect in information feedback are overcome.

The present invention relates to managing of communication in a system, which system includes at least one user unit 100 capable of reading information from a surface 120 and communicating at least part thereof to a server 140, 150, 160, a look-up server 140, 150 storing information management rules associated with information read from the surface and at least one application server 160. The user unit 100 receives an instruction with control data from the look-up server 140, 150 and determines, based on these control data, if specific information data is allowed to be communicated by the user unit to a receiving application server in response to an instruction from an application server concerning these specific information data.

The invention relates to method and system for using PKCS and especially PKCS#10 registration standard on a mobile environment and in particularly in a WPKI (Wireless PKI) environment comprising a registration server and a client provided with a key pair is provided only with a part of the certificate request info defined on the PKCS registration standard. A PKCS registration structure is formed by the client of said part of the certificate request info and the public key to be registered, after which a verifying code is determined using at least part of said formed PKCS registration structure. Finally said verifying code and the public key are delivered to the registration server advantageously without delivering said part of the certificate request info received at first by the client.

The invention provides a bridge safety monitoring system and method based on a BIM, and the system comprises an information collection system and a BIM bridge information management system. The information collection system employs a sensor and a long-distance RFID to achieve the collection of the state information and position information of a component, and the information is uploaded to a cloud server through a network. The cloud server is connected to the BIM bridge information management system, thereby achieving the timely updating of the information. All components in the BIM bridge information management system are provided with preset early-warning values. When a test value exceeds the preset early-warning value, the system gives a prompt. The system enables the BIM technology to be reasonably integrated with the monitoring technology, can achieve the subsequent high-efficiency safety monitoring of the bridge, and is used for the visualized and digitalized safety monitoring of the bridge.

The invention relates to a leaf blow suction machine with wind pipes which can be sheathed and wheels which can be dismounted. The leaf blow suction machine comprises thee parts, i.e. a machine body, the wind pipes and the wheels, wherein the wind pipes comprise an upper wind pipe and a lower wind pipe, the upper wind pipe and the lower wind pipe can be connected together in a dismountable way, the upper wind pipe is provided with a passage in which the lower wind pipe can be inserted, and the lower wind pipe which is dismounted can be inserted in the passage of the upper wins pipe, thereby sheathing together the upper wind pipe and the lower wind pipe; and the machine body is a single whole, the upper wind pipe is connected and fixed with the machine body in a buckling way, and a control switch is installed on the handle of the machine body; and the wheel assembly can be installed on the lower wind pipe dismountably. The blow and suction machine not only can greatly reduce the packing size and lower the transportation cost, but also has convenient disassembly and assembly, shapely appearance, high working efficiency and economic serviceability, and can adapt to the new assessment criteria more effectively.

An apparatus and method for train control utilizing virtual lock stepping are disclosed. In accordance with the illustrative embodiment, an improved method of train control utilizes identical software applications executing on redundant processors. The redundant processors are maintained in virtual lock step to ensure the safety integrity of the overall system being controlled. In accordance with the illustrative embodiment, one software process is a master and one software process is a slave. The master and the slave both independently execute application logic based upon detected events (e.g., input data, etc.). In order to ensure that any anomalies that might result in a hazard are detected in the timeliest manner, and that false anomalies are minimized, the redundant software processes must process the same event within a specified time frame.

Systems and methods for cooling an inverter of a variable frequency drive that drives a compressor in a cooling system for electronic equipment are disclosed. The system includes a first fluid circuit that cools electronic equipment using a first fluid flowing therethrough and a second fluid circuit that free cools a second fluid flowing therethrough. The second fluid circuit cools the first fluid using the free-cooled second fluid. The system further includes a third fluid circuit that mechanically cools the second fluid using a third fluid flowing therethrough as a function of the wet bulb temperature of atmospheric air. The third fluid circuit includes at least one compressor compresses the third fluid and is driven by a motor coupled to the variable frequency drive. At least a portion of the first fluid flowing through the third fluid circuit is diverted to cool the inverter of the variable frequency drive.

A method and an optoelectronic sensor are provided for ensuring the safety of a machine tool having a first tool part carrying out working movements in the direction of a second tool part. The sensor monitors a three-dimensional protected field between the tool parts of the machine tool. At the start of a working movement of a first tool part of the machine tool, the extent of the protected field in the direction of the working movement is smaller than the extent of the open gap between the tool parts. On a continued working movement, the extent of the protected field is continuously reduced and the protected field is held in the center of the open gap. Thereafter, on a further continued working movement, the extent of the protected field is maintained and the protected field is held in the center of the open gap. The sensor is finally deactivated.

A method of enabling a mobile station (MS) to perform initial ranging in a wireless communication system includes transmitting a first message to a base station (BS), the first message comprising an identifier which is digitally signed by using a private key corresponding to a public key included in a certificate of the MS and receiving a second message including a temporary session key that is digitally signed by using a private key corresponding to a public key included in a certificate of the BS. A security threat due to exposure of control signaling can be prevented by securely exchanging session keys between the BS and the MS.

A system and method for achieving vertical navigation by using a satellite based navigation system exemplified by a GPS system and implementing the vertical navigation features in an autopilot unit interfaced to the satellite based navigation system. The autopilot reads waypoint information output from the satellite navigation system and receives VNAV altitudes and other commands from the pilot. The autopilot then performs VNAV calculations and guidance in accordance with the VNAV program. VNAV setup and progressive status are displayed on an economical small screen autopilot display. Modes are disclosed for exemplary GPS direct to waypoint VNAV, waypoint transition VNAV, multiple waypoint VNAV and other VNAV modes. Safety limits may be imposed on the VNAV program.

The invention relates to a GPS based mechanical lock, and vehicle compartment specified location unlocking system and method. The method comprises that electronic fences for various service spots are drafted in advance in a vehicle mounted monitoring platform. When the mechanical lock receives an activation instruction, the geographic position information of a vehicle with the mechanical lock is in real time monitored and reported to the vehicle mounted monitoring platform. When the vehicle mounted monitoring platform receives the geographic position information of the vehicle, it determines in real time whether the mechanical lock is in the unlocking range or not on the basis of the pre-drafted electronic fences. If the mechanical lock is in the unlocking range, the vehicle mounted monitoring platform sends to the mechanical lock an unlocking instruction. When the mechanical lock receives the unlocking instruction, it unlatches the safe lock bolt. When the safe lock bolt is unlatched, the vehicle compartment door can be opened through the vehicle door key. The GPS based vehicle compartment specified location unlocking method is able to provide safe and effective monitoring to a vehicle compartment of mobile treasury so as to ensure the safety during financial escorting and transporting while not hampering the normal running of escorting business.

Acid addition salts of 2-acetoxy-5-(α-cyclopropylcarbonyl-2-fluorobenzyl)-4,5,6,7-tetrahydrothieno[3,2-c]pyridine with sulfuric acid or sulfonic acids, pharmaceutical compositions comprising the same and processes for the production thereof. The acid addition salts have a low toxicity.

The invention discloses a pitching device for oil field staged fracturing. The pitching device comprises a pitching device body (6) and a sealing ring (7). The sealing ring (7) is arranged in the pitching device body (6) to achieve sealing of the body and other parts. The pitching device for oil field staged fracturing is characterized in that a pitching machine (5) and a liquid cylinder (9) are further included, the pitching machine (5) and the liquid cylinder (9) move in a reciprocating mode in the pitching device body (6), pitching holes are formed in the left ends and the right ends of the tops of the pitching machine (5) and the pitching device body (6), and the liquid cylinder (9) is connected with the pitching device body (6) through a liquid cylinder base (8). The pitching device is simple in structure, alternating pitching can be achieved, and pitching efficiency is improved.

A liquid crystal display device includes a liquid crystal panel having a plurality of color subpixels and a plurality of interference subpixels, an input unit for inputting color subpixel data to be applied to the color subpixels, a programmable interference data generating unit for storing viewing mode data to be applied to the interference subpixels, the viewing mode data including interference subpixel data and offset subpixel data, the programmable interference data generating unit selectively outputting one of the stored interference subpixel data and offset subpixel data, and a panel driving unit for driving the color subpixels and the interference subpixels in response to the color subpixel data and selected one of the interference subpixel data and the offset subpixel data.

The invention discloses a system and method for keeping power-assisted steering under a power off state of an electric vehicle. The system comprises a vehicle controller, a remote monitoring standby controller, a power battery, a steering motor controller and a steering motor. When the vehicle loses the high level suddenly or is powered off in the running process, the remote monitoring standby controller can be started for usage immediately, the remote monitoring standby controller controls the power battery to output the high level to the steering motor controller, and a control signal is sent to the steering motor controller through the remote monitoring standby controller so that the high level can be output to the steering motor through the steering motor controller, thus the steering motor can continue working and providing assistance to ensure power-assisted steering, therefore a steering wheel can rotate normally, it is ensured that the driver can have enough time to handle with an emergent situation, accidental injuries can be avoided, and meanwhile, happening of various kinds of accidents can be avoided, and operation of the electric vehicle is safer.

The invention relates to a navigation system, which comprises a navigation device. The navigation device comprises a shell, a display screen, a GPS receiver, a processor, a remote terminal control device and a connecting device, wherein the display screen is arranged inside the shell and used for displaying image pictures; the GPS receiver is arranged inside the shell and used for receiving GPS signals; the processor is arranged inside the shell, coupled with the GPS receiver and the display screen, and used for locating according to the GPS signals, and processing and controlling the displayscreen to display a program code of a user interface; the remote terminal control device is used for generating an input signal corresponding to a user input; and the connecting device is used for establishing data connection between the remote terminal control device and the navigation device to transmit the input signal to the navigation device. By additionally adding the remote terminal control device and the connection device used for establishing the data connection between the remote terminal control device and the navigation device, the invention enhances use convenience and safety of the navigation device in automobiles. The remote terminal control device can be installed on an automobile conveniently to provide various operations, and the navigation device can be operated safely and easily.

In the information process device 1, only when it is determined that the password rewritten in the change password memory area 14a of the backup RAM 14 and the password rewritten in the change password memory area 31a of the second flash memory 31 coincide with each other (S202: YES), the menu display of the liquid crystal display 21 is conducted (S107) and it is permitted to start execution of the application program (S123) based on that the menu M2 of “2. start of game” is selected in the menu display. Further, based on that the menu M1 of “1. set of password” is selected in the menu display (S109: 1), it is permitted input of the change password by touching each of the areas 22c to 22n of the transparent touch panel 22 (S112).

A system and method is disclosed for monitoring the flow of transactions during a security syndicate offering. The system comprises one or more security syndicate offerings offered for sale by an issuer, and a security syndicate transaction system. Various subsystems can be provided for storing and receiving information regarding the security syndicate offerings, and for processing information pertaining to transactions performed during the security syndicate offering. The system allows an issuer, remotely located from the security syndicate transaction system, to receive information associated with the security syndicate offerings from the security syndicate transaction system and transmit various information back to the security syndicate transaction system.

The invention discloses an auxiliary device for electric power construction. The auxiliary device structurally comprises an operation mechanism, an auxiliary mechanism, a lifting device, a sky rail, acarrier table, a stand column, a lower cross beam and a ground rail. The operation mechanism is horizontally installed at the right end of the lower cross beam and electrically connected with the auxiliary mechanism, the section of the auxiliary mechanism is of a rectangular structure, the auxiliary mechanism is tightly attached to the right end of the stand column and mechanically connected withthe lifting device, the auxiliary mechanism and the stand column are collinear in axial center, the lifting device is vertically fixed to the lower end of the sky rail and welded to the stand column,and the sky rail and the ground rail are collinear in axial center. By means of the auxiliary device, the defects in the prior art are overcome, a stacker is high in stability, the using effect of the stacker can be effectively ensured, the material stacking speed of the stacker is improved, stacking time is shortened, and the roadway type stacker convenient and fast to use is safe to operate andcontrol and capable of freely switching up-down ascending and descending and front-back movement.

A biometric data system includes a biometric feature capture device, a front-end data display interface, a cloud operation system, databases, an identity code generation module, an identity code check module, and a result feedback module. The unique biometric features captured by the biometric feature capture device can be converted into a set of unique and unrepeated identity code through the information technique of the cloud operation system. The identity code serves to label a user's identity, whereby the identity code can be compared with the biometric features of the user to find whether the identity code matches the biometric features and verify the identity of the user.

The invention relates to method and system for using PKCS and especially PKCS#10 registration standard on a mobile environment and in particularly in a WPKI (Wireless PKI) environment comprising a registration server and a client provided with a key pair is provided only with a part of the certificate request info defined on the PKCS registration standard. A PKCS registration structure is formed by the client of said part of the certificate request info and the public key to be registered, after which a verifying code is determined using at least part of said formed PKCS registration structure. Finally said verifying code and the public key are delivered to the registration server advantageously without delivering said part of the certificate request info received at first by the client.

The invention relates to a method for self-inspection of a subway safety door. A self-inspection platform is pre-built, including a laser emitting module, a laser detection module, a laser reflector, a microprocessor, a data sending module and a data receiving module; when the subway safety door is locked, the Before starting, the on-board control system of the subway sends instructions to the processor, so that the subway safety door starts to enter the second self-inspection process; the microprocessor controls the laser emitting module to emit a beam of laser, and the laser detection module starts to detect the laser at the same time, and sends the detection result to to the microprocessor; according to the detection results, it is judged whether there is a foreign object between the subway security doors, and the judgment result is sent to the on-board control system of the subway, so that it can carry out subsequent control actions. The invention is safe and reliable, and can carry out secondary detection on the subway safety door after it is closed. When there are thin objects such as clothes and hair caught on the subway door, they can be detected through the secondary detection, thereby effectively controlling the safety problem of the subway.