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291 results about "Standard type" patented technology

Types of standards. Following are different types of standards: Basic standards. Normal standards. Current standards. Attainable (expected) standards. Ideal (theoretical) standards.

Optical fiber field connector

InactiveCN101806940AEliminates the need for storage protectionCoupling light guidesEngineeringPlastic optical fiber
The invention relates to an optical fiber field connector. A dismountable sleeve bin is sleeved outside a main body; the main body and the dismountable sleeve bin are provided with standard type interfaces; the main body is in a hollow structure; an optical fiber core insert is arranged at the front end of the main body; a preset optical fiber is arranged in the optical fiber core insert; a tail sleeve is arranged at the back end of the optical fiber core insert; a mechanical joint consisting of a substrate, a splint and a lantern ring is arranged in the main body; the front end of the mechanical joint is abutted with the optical fiber core insert, and the back end of the mechanical joint is connected with the tail sleeve through a guiding device and a damping device; a second optical fiber is arranged in the tail sleeve; and an outer protecting sleeve adopts a rotary screw thread structure to clamp the tail sleeve to prevent the second optical fiber from falling off and sliding. In the optical fiber field connector of the invention, the second tail end of the preset optical fiber is connected with the second optical fiber, a connection protecting box is not needed, storage protection for a bare optical fiber is unnecessary, when the optical fiber field connector is assembled, a special tool and grinding are not needed, whether the connection is successful can be detected at the field, and after installation, the field connector can be repeatedly opened for use.
Owner:FENGHUO COMM SCI & TECH CO LTD

City operation system

The invention relates to a city operation system which comprises a video resource aggregation device, a large data fusion processing platform, a cloud resource scheduling platform, a monitoring platform and a service bus. The video resource aggregation device is used for achieving unified fusion of various communication networks such as a city broadcast television network, the Internet, a communication network and an analog / digital bus. The large data fusion processing platform uses a multi-structure data fusion technology for carrying out unified fusion on isomerous data. According to the cloud resource scheduling platform, a resource pool is established through a virtualization measure, and system resource integration is carried out. According to the monitoring platform, various safety mechanisms are used for guaranteeing all-around safety protecting. The service bus provides universal type and standard type application program interfaces. Dynamic connecting in of front end video equipment is supported, whole resources are supported, a service mode is used for dynamic registering, a user, equipment and data are monitored in a hierarchical mode, system monitoring efficiency is improved, the large data technology is used for carrying out distributing collecting, storing, fusion and analyzing on city mass isomerous data, and data efficient management is achieved.
Owner:ANHUI SUN CREATE ELECTRONICS

Turn-down device for refuse wagon

The invention discloses a reversing device for a garbage truck, particularly a device used for lifting a garbage bin from the ground, reversing the garbage in the garbage bin and pouring the garbage into a carriage body of the garbage truck. The invention provides the reversing device in the carriage body of the garbage truck. The device has the structure that two reversing guides are oppositely and vertically welded on the side face and at the top of the carriage; two oil cylinder bearings are symmetrically welded outside the top part of the reversing guides, and positioned on a roof of the carriage; the two oil cylinder bearings are articulated with a fixed end of the reversing oil cylinder; a telescopic end of the reversing oil cylinder is backwardly articulated on a second journal of a roof frame; wherein, the roof frame positioned between the two reversing guides; a first journal of the roof frame is articulated on the top of the carriage, two suspension loops on the both sides of a swing end of the roof frame are articulated with the upper end of a tension rod, the lower end of the tension rod is articulated with two fourth journals on the both sides of the lower end of a reversing frame, and the reversing frame is sleeved in inner tracks of the reversing guides through a first roller and a second roller on the both sides; the reversing device is applicable to collecting various standard type garbage bins.
Owner:CHANGZHI QINGHUA MACHINERY FACTORY

Multi-missile cooperative guidance method based on output consistency

The invention discloses a multi-missile cooperative guidance method based on output consistency. The method comprises the steps that constraint conditions of normal acceleration and field angles of all missiles are given; a linear model on which the missile status depends is built on the basis of a relative motion relationship of missiles and a target, convergence variables, line-of-sight angle rates and field angles of the linear model on which the missile status depends are selected as output variables, and a predictive control model is built according to a set prediction time domain; a performance index function is obtained on the basis of requirements of predictive control model and missile striking time cooperation; the performance index function and the constraint conditions are converted into a quadratic programming standard form; an optimal model achieving multi-missile cooperative guidance is obtained, normal acceleration of all the missiles on the present moment is obtained by means of a convex optimization method, and updated statuses of all the missiles are adopted on the next moment till all the missiles hit the target. According to the multi-missile cooperative guidance method based on the output consistency, optimal cooperative guidance on the condition that normal acceleration overload and field angles are limited can be achieved.
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY

Multimode digital DAS supporting multi-information-source access

The invention relates to a multimode digital DAS supporting multi-information-source access. A near-end optical fiber transmission link is connected with a near-end FPGA, the near-end FPGA is respectively connected with a near-end analog-to-digital conversion chip and a near-end digital-to-analog conversion chip, the near-end analog-to-digital conversion chip is connected with the downlink portion of a near-end radio frequency link, the near-end digital-to-analog conversion chip is connected with the uplink portion of the near-end radio frequency link, and the downlink portion of the near-end radio frequency link and the uplink portion of the near-end radio frequency link are respectively connected with a duplexer. The multimode digital DAS has the advantages that when the aim that multi-standard type signals are covered at the same time, and different-standard type base stations are positioned in different sites is required to be achieved, an auxiliary AU is placed, the multi-standard type signals are combined together according to the mode, the multi-standard type signals are transmitted to the same RU, the RU outputs the signals, and signal coverage is carried out by means of a set of antenna feed system after the signals are coupled through a POI, so that a user just needs one set of system to achieve the simultaneous coverage of the multi-standard type signals, and the system cost and the construction difficulty of the system are reduced.
Owner:SUNWAVE COMM

Standard high-pressure ionization chamber and manufacturing method thereof

InactiveCN104319222AChange the shortcomings of low energy left and right response highReduce mistakesElectric discharge tubesRadiation measurementDose rateHigh-pressure area
The invention provides a standard high-pressure ionization chamber and a manufacturing method of the standard high-pressure ionization chamber. The standard high-pressure ionization chamber comprises a high-pressure ionization chamber probe. The high-pressure ionization chamber probe comprises a stainless steel outer shell, a stainless steel supporting pillar, a stainless steel ball, a compensating plate and an insulated terminal, wherein the stainless steel outer shell is a hollow sphere formed by welding two stainless steel hemispheres, the stainless steel ball is located at the spherical center of the stainless steel outer shell and is connected with the insulated terminal through the stainless steel supporting pillar, the insulated terminal is fixed to the stainless steel outer shell, an inflating hole is formed in the stainless steel outer shell, the compensating plate is made of tin, the thickness of the compensating plate is 1.5 mm-2 mm, and the compensating plate is attached to the stainless steel outer shell and accounts for 60%-70% the area of the stainless steel outer shell. The standard high-pressure ionization chamber overcomes the defect of high low-energy response of an existing high-pressure ionization chamber, and meanwhile reduces errors of measurement results of a cosmic ray ionization ingredient dose rate.
Owner:CHINA INSTITUTE OF ATOMIC ENERGY
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