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83705results about How to "Improve processing efficiency" patented technology

Manufacture method for polarization maintaining fiber and polarization maintaining fiber

The invention provides a manufacture method for polarization maintaining fiber and a polarization maintaining fiber, and relates to optical waveguide fibers in the field of fiber-optical communication and fiber optical sensors. The method comprises the following steps that: (1) two oppositely arranged open slots with a same shape are inwardly provided at a side surface of a glass mother rod, stress rods are machined to obtain a shape matching the open slots, and the centers of the cross sections of the two open slots and the center of circle in the cross section of the glass mother rod are in a same line; (2) the stress rods are respectively inserted into each open slot on the glass mother rod, and the assembled glass mother rod and stress rods are put in a cannula to form a preformed rod of the polarization maintaining fiber; (3) the preformed rod of the polarization maintaining fiber is drew to form the polarization maintaining fiber. According to the invention, the glass mother rod is provided with the open slots, and the stress rods are embedded in the open slots, thereby obtaining high process repeatability; inner surfaces of the open slots have high fineness, and the open slots have good symmetry, thereby improving processing efficiency; therefore, the optical performance and reliability of the polarization maintaining fiber are substantially improved.
Owner:RUIGUANG TELECOMM TECH CO LTD

Atomic layer deposition equipment

Provided atomic layer deposition equipment comprises a reaction chamber and a gas source; the reaction chamber is inside provided with a gas distribution plate arranged at the top, a base disc and a rotary driving mechanism; the upper surface of the base disc and the lower surface of the gas distribution plate are mutually superposed; multiple sub-spaces uniformly distributed along the circumferential direction of the reaction chamber at intervals are formed between the upper surface of the base disc and the lower surface of the gas distribution plate, the multiple sub-spaces are successively arranged according to the operation sequence, and each sub-space is corresponding to one operation in a process of performing once technology on a base chip; and the rotary driving mechanism is used to drive the base disc to rotate relatively to the gas distribution plate so as to enable the base disc to drive all base chips thereon to be successively placed into the multiple sub-spaces for technological processing according to the operation sequence. The provided atomic deposition equipment is capable of processing multiple base chips at the same time by using different operations, thereby improving the technological efficiency and further improving the production power.
Owner:BEIJING NAURA MICROELECTRONICS EQUIP CO LTD

Methods and apparatus for a computer network firewall with multiple domain support

The invention provides improved computer network firewalls which include one or more features for increased processing efficiency. A firewall in accordance with the invention can support multiple security policies, multiple users or both, by applying any one of several distinct sets of access rules. The firewall can also be configured to utilize “stateful” packet filtering which involves caching rule processing results for one or more packets, and then utilizing the cached results to bypass rule processing for subsequent similar packets. To facilitate passage to a user, by a firewall, of a separate later transmission which is properly in response to an original transmission, a dependency mask can be set based on session data items such as source host address, destination host address, and type of service. The mask can be used to query a cache of active sessions being processed by the firewall, such that a rule can be selected based on the number of sessions that satisfy the query. Dynamic rules may be used in addition to pre-loaded access rules in order to simplify rule processing. To unburden the firewall of application proxies, the firewall can be enabled to redirect a network session to a separate server for processing.
Owner:LUCENT TECH INC

System and method for processing unmanned aerial vehicle polling image

The invention discloses a system and method for processing an unmanned aerial vehicle polling image. The system comprises an unmanned aerial vehicle polling image processing system body which comprises a human-computer interaction module. After the human-computer interaction module obtains a user instruction, a main control panel analyzes the user instruction and transmits the analyzed instruction to a data receiving and transmitting controller, the data receiving and transmitting controller sends a parameter configuration instruction to corresponding peripheral equipment according to the instruction and transmits an instruction execution result back to the main control panel, and the main control panel processes the execution result of the parameter configuration instruction and then sends processed information to the human-computer interaction module so that the information can be displayed to a user. The main control panel is respectively communicated with a secondary controller, a power supply module, a wireless communication module, a data storage module, a locating module, a distance measuring meter and a height gauge. The system and the method improve the automation degree and the informationization degree of polling image processing, improve the efficiency of searching for and processing the polling result, and lower the cost of processing the polling result.
Owner:STATE GRID INTELLIGENCE TECH CO LTD

3D printing manufacturing device and method of metal parts

The invention discloses a 3D printing manufacturing device and method of metal parts. The 3D printing manufacturing device and method aim to efficiently manufacture the metal parts. The 3D printing manufacturing device of the metal parts comprises a laser system, a powder laying system, an atmosphere protecting system, a heating system and a computer control system. The 3D printing manufacturing device further comprises a closed work cavity, a forming cylinder is arranged inside the work cavity, and the laser system is arranged above the forming cylinder; the powder laying system is arranged on the upper side of the work cavity; one side of the work cavity is provided with the atmosphere protecting system, and the bottom of the forming cylinder is provided with the heating system; the lower side of the forming cylinder is provided with a driving device; one side of the work cavity is provided with a vacuum pump; the computer control system comprises a computer which is connected with a control card of the driving device and a control card of the laser system through data wires. According to the 3D printing manufacturing device and method, the metal parts of any structures can be directly manufactured, digital manufacturing from 3D digital models to part entities is achieved, and processing and manufacturing efficiency and the material using ratio of aluminium alloy parts of complex structures can be greatly improved.
Owner:航天科工(长沙)新材料研究院有限公司

Collaborative interaction method for unmanned plane cluster and visual navigation system of unmanned plane

The invention discloses a collaborative interaction method for an unmanned plane cluster and a visual navigation system of an unmanned plane. The collaborative interaction method for the unmanned plane cluster comprises the following steps of: determining unmanned planes satisfying a collaborative condition in a communication coverage area of a certain unmanned plane by the unmanned plane in the unmanned plane cluster, and establishing an unmanned plane collaboration group according to the unmanned planes satisfying the collaborative condition; determining inter-plane routes of multiple unmanned planes in the unmanned plane collaboration group; allocating collaborative tasks to multiple unmanned planes in the unmanned plane collaboration group according to link state information of the inter-plane routes; and evaluating the link state according to the motion state of multiple unmanned planes in the unmanned plane collaboration group, and updating unmanned planes in the unmanned plane collaboration group and the collaborative task of each unmanned plane according to an evaluation result. The collaborative interaction method for the unmanned plane cluster is good in real-time, strong in reliability and high in communication quality, and can better adapt to an unmanned plane cluster communication environment during visual navigation.
Owner:TSINGHUA UNIV
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