425 results about "Extension set" patented technology

An infusion device (10) includes one or more of automatic insertion and retraction of an introducer needle (40) and catheter (28), introducer needle safety and extension set. The device (10) can further comprise a top-push button (16) activation feature, a side-push button (402) activation feature or a rotary-button (412) activation feature, and one or more of a manual interlock of an outer barrel and base, and a manual interlock for an extension set top and base. Packaging (500) for an integrated and/or removable inserter with activation button protection is also disclosed.

The invention discloses a multi-user immersive full-interactive virtual reality engineering training system, and belongs to a virtual reality engineering training system. A participant of the training system is endowed with a specific role of the virtual system; the participant is interacting with a virtual scene through a man-machine interactive device; each extension set is connected with a host computer through the network, and the communication between the host computer and the extension set is realized; and a host computer operator monitors, evaluates and guides the virtual scenes and roles through a host computer display device and the man-machine interactive device. A virtual reality technology applied to the engineering training is realized; the training system is applied to the man-machine interaction and provided with the characteristics of experience, sense of immersion and sense of participation; by the combination of online operation, cooperation of types of works and virtual production scenes, the problems of difficulty in implementation, high cost and dangers existing in field experimentation, practical teaching and security training of the engineering fields are well solved; the training system has the advantages that the time-space limitation is broken through by using the virtual reality technology; the study and participation interest of the participant is improved; and in addition, the training system can be updated and perfected in real time with the development of science and technology and with the scene changes.

This invention provides a female medical coupling port with an integrated port guide to enable more accurate and precise coupling of a male port coupling (such as the cannula of a syringe) and to prevent port exposure to non-sterile objects. The male and female ports can be arranged according to standard dimensions for male and female luer taper fittings recognized by ANSI and by ISO. This guide-shielded port is usable with the standard ANSI and ISO male cannula widely used in the medical field. In an embodiment the female port is used in medical fluid systems to receive a blunt male cannula, such as those found in the luer lock fitting of needle-less syringes and IV tubing systems to establish a mechanical coupling. Female ports allow coupling of devices (e.g. syringes and IV tubing) to a variety of medical applications including stopcocks, minimum fluid displacement medical couplings, female-to-female adapters, port dead-end caps, IV extension sets, pressure-monitoring devices, etc. The port guide can be constructed as a unitary part of the port, or can be a retrofittable structure that is either snapped into place on, for example, a female port stem, or slid onto a port, such as a minimum displacement fluid coupling. Appropriate drain ports can be provided in the port guide to prevent capture of excess fluid.

An insulin infusion set (30) for use with an inserter (40) is disclosed. The infusion set (30) includes an extension set (50). The extension set (50) includes a housing (70), a base (90) and a latching device (82). The base (90) houses a base septum (120) and an infusion cannula (42). The latching device (82) releasably attaches the housing (70) to the base. When the housing (70) is attached to the base (90), a part of the housing (70) extends into and opens the base septum (120).

The invention relates to an agricultural field ontology library based semantic retrieval system and method, belonging to the technical field of intelligent retrieval. In order to improve the accuracy and the efficiency of an agricultural field information semantic retrieval process, only the useful structured data in a webpage are extracted by using an information extraction technology and used as the basic resource for retrieving, thus the structural property and the accuracy of the retrieval data source are greatly ensured in the stage of the basic resource of data; and then the comprehensive and professional agricultural-industry oriented ontology library is established, the semantic extension and inference is carried out according to the inquiry request of the user on the basis of a semantic ontology inference engine through the participation of the user, and the natural language submitted by the user is processed or the extension result is returned to the user once again so that the weight of each ontology example in a semantic extension set can be determined accurately in the participation process of the user, the extended ontology example set meets the inquiry requirement of the user, and further the final retrieval precision and recall rate are improved.

A medical article, such as a connector fitting or extension set, is stabilized on a patient with a retainer and a dressing integrally attached to an anchor pad supporting the retainer. The connector fitting or extension set may be integrally formed with the retainer. The connector fitting or extension set may comprise a spin nut configured to secure to a catheter hub having a catheter connected thereto. One or more of the anchor pad, dressing, and catheter may comprise an antibacterial or antimicrobial agent.

The invention discloses a residential area door control and unit elevator linkage control system on the basis of intelligent identification. The residential area door control and unit elevator linkagecontrol system comprises a camera, a face capturing and identifying module, a comparison unit, a database, an information confirmation unit, an RFID (radiofrequency identification) tag, an RFID module, a visitor request unit, a cloud storage unit, a signal transmission unit, a door control device, a sub-controller, a display screen, a state monitoring device, a timing module, an elevator runningunit, a household extension set, intelligent equipment, an alarm unit, a communication unit and a property management and control center. The residential area door control and unit elevator linkage control system has the advantages that the residential area door control and unit elevator linkage control system is provided with the RFID module, a face capturing and identifying unit and the comparison unit, and accordingly residents of a residential area only can enter the residential area after being verified twice; the residential area door control and unit elevator linkage control system is provided with the RFID module, the sub-controller and the elevator running unit, accordingly, elevators can automatically run to wait for users, floor information of the users can be memorized, and theelevators can automatically run to floors where the users live; the residential area door control and unit elevator linkage control system is provided with the visitor request unit, and accordingly visitors can enter the residential area by means resident confirmation.

The invention discloses a vehicle traveling stability controlling method and system based on extension sliding mode wire controlling. The method comprises the following steps that S1, the vehicle reference heading angle speed information and the actual heading angle speed information in the actual traveling process of a vehicle are obtained; S2, the actual heading angle speed deviation and the derivative of the actual heading angle speed deviation are extracted and form a characteristic state; S3, sliding mode controllers are established, expanding design of the sliding mode controllers in different value ranges is conducted based on the extension set of the extension theory, so that extension sliding mode controllers are established in a universal range; S4, according to the characteristics state, the extension set is divided, the correlation functions controlled by extension in different set states are calculated, and controlling strategies are distributed to different measurement modes according to the correlation function dividing a measurement mode; and S5, according to the extension sliding mode controller, an ideal front wheel intersection angle in different measurement modes is output, and the actual vehicle front wheel intersection angle tracks the vehicle ideal front wheel intersection.

A system and method for mapping a standard set of database query statements to a set of query statements for a target database, including a processor to receive an identification of a target database and identify any extension set of query statements of the target database, receive a plurality of standard database query statements, and map each standard database query statement to a query statement for the target database on the basis of an extension set associated with the target database. A statement mapping database may be created to map the query statements of the target database to the standard database query statements such that the processor may receive a standard database query statement and identify a corresponding query statement that is appropriate for the target database, and receive a query statement of the target database and identify a corresponding standard database query statement.

The invention relates to an intensity calibrating method of all-digital array phased-array weather radar. The intensity calibrating method includes the steps that a radar monitoring terminal controls a correction extension set to send out simulation target signals, and a product terminal calculates an actual pulse pressure gain Gp; the radar monitoring terminal controls the correction extension set to send out a plurality of linear frequency modulation simulation target signals with fixed and sequentially and gradually attenuated echo power values, after the linear frequency modulation simulation target signals are processed by a signal processor, echo signal intensity values and spectrum processing signal intensity values are produced and sent to the product terminal through a network so as to be recorded into an intensity calibrating and testing record list, and an intensity curve yDVIP and a spectrum processing intensity curve yFFT are produced after fitting is conducted on the intensity calibrating and testing record list through the least square method; the product terminal inversely calculates echo power Pr when the radar normally works; the value of the obtained echo power Pr is substituted into an improved radar meteorological equation to obtain the value of a radar reflectivity factor dBZ. By means of the method, the special implementation steps and special testing processes of all-digital array weather radar intensity calibrating are established, and the method is fit for engineering practice and is simple, practical and high in calibrating accuracy.

The invention discloses an intelligent voice control system and control method. The system comprises a voice controller host and voice controller extension sets. The voice controller extension sets are used for collecting audio signals and sending the audio signals to the voice controller host; the voice controller host identifies one audio signal, generates a control instruction for a controlled device, and returns the instruction to a corresponding voice controller extension set; and the corresponding voice controller extension set controls the controlled device to execute the corresponding instruction. According to the invention, the system and method can be applied to any room in a house; household appliance work can be controlled by voices; the costs of the voice controller extension sets are lowered; and the product manufacturing cost is lowered substantially.

The invention discloses a Chinese printing character image synthesis method, including the steps of S101. receiving a character requirement or image character input by a user, and generating corresponding standard characters; S102. receiving a background image input by the user, and generating a corresponding background template; S103. receiving a conversion requirement input by the user, and converting the standard characters according to the conversion requirement to generate a corresponding character extension set; and S104. synthesizing extended characters in the character extension set with the background template, thereby generating a synthesized character image. Correspondingly, the invention also proposes a Chinese printing character image synthesis device which executes the abovementioned method. The method and device provided by the invention can conveniently and rapidly extend to generate Chinese printing characters and synthesize the Chinese printing character image, thereby satisfying various application requirements, such as a capability of simulating a dot matrix effect and a local distortion effect in printed characters, and a vivid character sample is generated, and model training convenient for deep learning is facilitated.

The invention discloses a monitoring system for railway outdoor trackside signal equipment. The outdoor railway trackside signal equipment comprises a ZPW-2000 A/K track circuit, a 25 Hz phase-sensitive track circuit, a train annunciator and a point switch. The monitoring system comprises a power supply, an outdoor trackside signal equipment collector, a PLC protocol converter, a communication interface extension set and a centralized monitoring station machine. The power supply is connected with the outdoor trackside signal equipment collector, the outdoor trackside signal equipment collector is connected with the ZPW-2000 A/K track circuit, the 25 Hz phase-sensitive track circuit, the train annunciator and the point switch, and the outdoor trackside signal equipment collector, the PLC protocol converter, the communication interface extension set and the centralized monitoring station machine are connected in sequence. Compared with the prior art, the monitoring system has the advantages that equipment fault points are accurately and rapidly judged, and fault handling time is greatly shortened.

The invention discloses an agricultural specialist information retrieval system and method on the basis of an agricultural technology information ontology library. The method comprises the steps of acquiring agricultural technical inquiry statements of a natural language form; performing word segmentation treatment on the inquire statements of natural languages and performing information extraction of region and field so as to obtain search keywords; judging whether vocabularies related to an ontology semantic concept exist or not in the search keywords according to a preset agricultural technology information ontology library; when judging that the vocabularies related to the ontology semantic concept exist in the search keywords, performing ontology semantic extension on the search keywords according to the preset agricultural technology information ontology library so as to obtain an ontology semantic extension set; accessing a preset specialist information index database according to the ontology semantic extension set and performing specialist information retrieval so as to generate a specialist information retrieval result. According to concrete demands, specific field and region information is extracted from the retrieve information, and the matching degree of information to be retrieved and specialist information is improved.

The invention discloses a call center recording method and a call center recording system based on an Internet protocol (IP). The system comprises a recording message processing service module for monitoring a state of a seat extension set, a recording management service module for managing a soft phone, establishing connection between the soft phone and the seat extension set, monitoring conversation between service staff and a customer, ending recording after the conversation is finished, and writing recordings into a database, a recording media processing service module for receiving the conversation between the service staff and the customer, converting conversation contents into voice files and saving the voice files in a server, and a recording control service module for controlling the on and off of the recording message processing service module, the recording management service module and the recording media processing service module, monitoring running states of the three modules and sending alarm mails to maintainers if necessary. By the call center recording system, the purchase cost of the recording system can be effectively saved, and the recording quality under a high-concurrency requirement can be guaranteed.

To provide an image processing system, projector, information storage medium and black and white extension processing method which can improve the quality of image when at least one of white extension and black extension is performed to video signals, a extension degree setting section is controlled by using a control section to change a degree of extension only when a change-over of scenes occurs, and luminance values of R-signals, G-signals and B-signals are extended toward one of white and black sides with the degree of extension set by the extension degree setting section by using extending sections and a luminance changing section.

An infusion set preferably for use with an inserter is disclosed. The infusion set includes a septum cap that encapsulates an upper resilient septum and a lower resilient septum of a base, and includes at least one radial port to receive insertion of a blunt cannula when an extension set hub is engaged with the infusion set in a direction substantially parallel to the skin surface. The extension set hub is configured to provide a snap-fit engagement with the septum cap, wherein the blunt cannula of the extension set hub is guided through the radial port of the septum cap and penetrates the interface between the upper septum and the lower septum. The extension set hub and the septum cap can be rotated in a 360 degree manner about the base of the infusion set.

The invention discloses an intelligent grain storage ventilation system. The intelligent grain storage ventilation system comprises a grain situation detection unit, an intelligent ventilation unit and a grain situation monitoring and alarming unit. The grain situation detection unit comprises a grain pile temperature sensor arranged in a grain pile and a bin interior temperature and humidity sensor arranged above the bin interior grain pile, and the grain pile temperature and bin interior temperature and humidity data are output. The intelligent ventilation unit comprises a first server receiving the grain pile temperature and the bin interior temperature and humidity through a grain situation extension set, the first server compares the obtained real-time temperature and humidity of a small meteorological station outside a bin with the grain pile temperature and bin interior temperature and humidity, and ventilation equipment is controlled for running at different air volumes. Grain pile temperature alarming range threshold values of different grain varieties are further preset in the first server, and an alarm instruction is output if the value is not in the range of the alarming range threshold values. The grain situation monitoring and alarming unit comprises a display and an alarm device which are in communication with the first server. By means of the intelligent grain storage ventilation system, timely intelligent regulation and control can be conducted when the grain pile temperature and bin interior temperature and humidity deviate from control, the labor intensity of warehouse keepers is relieved, and the warehouse management cost is greatly reduced.

The invention relates to an automatic dynamic adjustment method for synchronous extension of a loop of a cold rolling continuous processing line. The automatic dynamic adjustment method specifically comprises the following steps of: at a non-drift stage of an uncoiling machine, acquiring a pulse encoder signal on an inlet tension roller, calculating the actual traveling distance of strip steel and thereby judging the relative position of a weld joint and the loop, and automatically adjusting a synchronous extension set value of the loop; at a drift stage of the uncoiling machine, calculating length of strip steel to be replenished according to a target set value and a current actual value for the synchronous extension of the loop, comparing the length of the strip steel with that of the remaining strip steel on the inlet uncoiling machine, and automatically adjusting the synchronous extension set value of the loop; and finally, arranging a functional module in a cold rolling continuous processing line control system to realize an undisturbed automatic switching function of the synchronous extension set value of the loop. According to the automatic dynamic adjustment method, deviation of the strip steel in the loop can be prevented, and the strip breakage probability of the strip steel in the loop is reduced; the production efficiency of the processing line can be increased and the working intensity of operation personnel is reduced; and the disposal difficulty for strip breakage accidents in the loop can be reduced and the accident recovery time is shortened.

The invention discloses a lane keeping control method for three-dimensional extension preview switching of an intelligent driving automobile. In the upper controller, the lane line information is collected by the high-precision camera, and the lateral position deviation yL, the heading deviation and the curvature value Rho of the road ahead of the vehicle and the road center line are obtained as the feature values of the three-dimensional extension set, and the method includes three steps: dividing the extension set, solving the correlation function, dividing the vehicle-road system state intoclassical domain, extension domain and non-domain. In the lower controller, a PID feedback controller based on lateral position deviation and heading deviation is used in the classical domain, a model predictive controller (MPC) is used in the extension domain, and emergency braking is used in the non-domain, so the switching control of the two control strategies in the classical domain and the extension domain is realized. The invention successfully applies the extension control theory to the lane maintenance control field of intelligent driving automobiles, and meets the lane maintenance control precision requirements.