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47results about How to "Increase link length" patented technology

Traffic driven variable bandwidth optical transmission

ActiveUS8009985B1Improve noise toleranceIncrease in link lengthTime-division multiplexOptical multiplexTraffic volumeTelecommunications
Link bandwidth is varied based on the subscriber traffic load. Varying the link bandwidth has the effect of varying the actual noise margin of the link (in an inverse relation), so that the noise margin will vary inversely with the traffic load. A beneficial result is that, because the noise margin is increased during “off-peak” traffic periods, rapidly varying and burst impairments can be absorbed without causing data loss. In effect, the respective probability distributions of error bursts and traffic load are separated. Data loss only becomes a significant risk when peaks in both distributions coincide. However, the probability of that event occurring is comparatively low. This enables a lower noise margin allocation during design of the link, which dramatically reduces the link cost.
Owner:CIENA

Method and apparatus for equalization across plural data channels

Optical equalization across N (an integer, N>1) channels of a multi-channel link of a communications network, is accomplished by averaging effects of optical performance variations within each of the M (an integer, M>1) parallel data signals. At a transmitting end node of the link, each one of the M data signals are distributed across the N channels of the link. Thus a substantially equal portion of each data signal is conveyed through the link in each one of the N channels. At a receiving end node of the link, respective bit-streams received over the N channels to are processed recover the M data signals. As a result, bit error rates of the bit-streams received through each channel are averaged across the M data signals, all of which therefore have a substantially equal aggregate bit error rate.
Owner:CIENA

3-d SRAM array to improve stability and performance

ActiveUS20080310207A1Increase of SRAM memory cell capacityAchieve effectDigital storageBit lineAudio power amplifier
A design structure for a three-dimensional memory circuit provides reduction in memory cell instability due to half-select operation by reduction of the number of memory cells sharing a sense amplifier and, potentially, avoidance of half-select operation by placing some or all peripheral circuits including local evaluation circuits functioning as a type of sense amplifier on an additional chips or chips overlying the memory array. Freedom of placement of such peripheral circuits is provided with minimal increase in connection length since word line decoders may be placed is general registration with ant location along the word lines while local evaluation circuits and / or sense amplifiers can be placed at any location generally in registration with the bit line(s) to which they correspond.
Owner:TWITTER INC

3-d SRAM array to improve stability and performance

InactiveUS20080310220A1Increase of SRAM memory cell capacityAchieve effectDigital storageBit lineAudio power amplifier
A three-dimensional memory circuit provides reduction in memory cell instability due to half-select operation by reduction of the number of memory cells sharing a sense amplifier and, potentially, avoidance of half-select operation by placing some or all peripheral circuits including local evaluation circuits functioning as a type of sense amplifier on an additional chips or chips overlying the memory array. Freedom of placement of such peripheral circuits is provided with minimal increase in connection length since word line decoders may be placed is general registration with ant location along the word lines while local evaluation circuits and / or sense amplifiers can be placed at any location generally in registration with the bit line(s) to which they correspond.
Owner:GLOBALFOUNDRIES INC

Tokamak tripod divertor magnetic field configuration construction method

The invention belongs to the magnetic confinement fusion technical field and concretely relates to a Tokamak tripod divertor magnetic field configuration construction method. According to the method,distances between the geometric center position of a first poloidal field coil and a first X point, between the geometric center position of a second poloidal field coil and the first X point, betweenthe geometric center position of a third poloidal field coil and the first X point and between the geometric center position of a fourth poloidal field coil and the first X point are set to be 1-1.5a, 1.5-3a, 1.5-3a and 1.5-2.0a respectively, wherein a is the minor radius of a plasma. The method solves the technical problems that the target plate heating area of a common divertor of a conventional Tokamak magnetic confined plasma experiment apparatus is small and cooling of a target plate of the divertor faces huge technical challenges in a high heating condition. A constructed tripod divertor magnetic field configuration can alleviate heat load of a target plate and improve compatibility of running of a divertor and running of a core high heating plasma. The performance of dust removal and impurity shielding characteristics are better exhibited, and requirements of coil current strength and coil arrangement complexity are reduced for an advanced divertor configuration.
Owner:SOUTHWESTERN INST OF PHYSICS

Manufacturing method of rubber mandrel for automotive part

The invention discloses a manufacturing method of a rubber mandrel for an automotive part. The manufacturing method comprises the following steps of: 1, feeding a rubber material into an internal mixer to be subjected to mixing; 2, carrying out a fast inspection test on the mixed rubber material; 3, putting the rubber material in the step 2 in a feeding opening of an extruder to be simultaneously extruded with a steel wire rope to obtain a semi-finished rubber mandrel; 4, vulcanizing the semi-finished rubber mandrel in the step 3; 5, carrying out demolding on the vulcanized rubber mandrel; and 6, obtaining the finished rubber mandrel. The manufacturing method provided by the invention is simple; the cost is low; the production efficiency is high; and the mandrel is stable in quality, good in high temperature resistance and long in service life, is resistant to ozone aging, and can be recycled repeatedly.
Owner:ZHEJIANG JUNHE RUBBER TECH

Server, node equipment information acquisition method and device thereof, equipment and medium

The invention discloses a server and a node equipment information acquisition method and device thereof, electronic equipment and a readable storage medium. A management board where the BMC of the multi-node server is located is in butt joint with a board where the master node is located, and management signals are transmitted to the slave nodes through the master node and the middle backboard. The BMC is connected with the logic unit of each node, the logic unit of the master node is connected with the logic units of the slave nodes, and the logic units of the nodes are connected with the corresponding node devices. The method comprises the following steps: receiving an equipment information acquisition instruction, and determining a target node and target equipment for reading equipment information by analyzing the equipment information acquisition instruction; if the target equipment is the logic unit, reading required data from the logic unit of the target node; and if the target device is not the logic unit, sending the device information acquisition instruction to the main node, and acquiring the data of the target device of the target node through the main node, thereby effectively improving the efficiency of accessing the node device of the multi-node server by the BMC.
Owner:LANGCHAO ELECTRONIC INFORMATION IND CO LTD

Connector provided with breaking valve and specially used for peritoneal dialysis solution bag

The invention discloses a connector provided with a breaking valve and specially used for a peritoneal dialysis solution bag. The connector provided with the breaking valve and specially used for the peritoneal dialysis solution bag comprises a medicine adding port pipe and an infusion port pipe, wherein the medicine adding port pipe and the infusion port pipe are arranged at intervals, both the two port pipes are made of rigid plastic, and the two port pipes form an integral structure through a connecting body integrally generated. The connector provided with the breaking valve and specially used for the peritoneal dialysis solution bag overcomes defects existing in an existing dual-flexible-port-pipe structure, is capable of achieving effective locating in the sealing and connecting processing of the dual port pipes and a bag body, ensures the effective sealing connection of the port pipes and the bag body, fundamentally eliminates the connection sealing faces of the infusion port pipes and the breaking valve, and further reduces the potential safety hazards of liquid leakage.
Owner:JIMIN HEALTH MANAGEMENT CO LTD

Tokamak hybrid divertor magnetic field configuration construction method

ActiveCN108269621ALarge magnetic surface expansion coefficientGreater than the expansion coefficient of the large magnetic surfaceNuclear energy generationThermonuclear fusion reactorHeat flowDivertor
The invention belongs to the magnetic confinement fusion design technical field and concretely relates to a Tokamak hybrid divertor magnetic field configuration construction method. According to the method, a first poloidal field coil, a second poloidal field coil and a third poloidal field coil are arranged on a strong field side, and distances between the geometric center position of the first poloidal field coil and a first X point, between the geometric center position of the second poloidal field coil and the first X point and between the geometric center position of the third poloidal field coil and the first X point are set to be 1-1.5a, 1.5-3a and 1.5-3a respectively, wherein a is the minor radius of a plasma. The method solves the technical problems that a divertor magnetic fieldconfiguration constructed by a conventional divertor magnetic field configuration construction method makes the target plate heating area small and target plate hot fluid faces huge challenges in a high heating condition. A hybrid divertor magnetic field configuration has capabilities of reducing inner and outer heat load of a divertor target plate and improving target plate particle control at the same time, and improves compatibility of running of a divertor and running of a core high heating plasma.
Owner:SOUTHWESTERN INST OF PHYSICS

Plastic cutting device

The invention relates to a plastic cutting device, which comprises a casing with a handle, wherein two corresponding metal probes are arranged on the casing, metal wires are connected between the two metal probes, the metal probes are connected with a power supply plug through conducting wires, in addition, a switch is arranged on the conducting wire, and the handle and she casing are connected through a hinge. Through the hinge connection between the handle and the casing, the plastic cutting device realizes the regulation of multiple work states. A winding mechanism is additionally arranged in the handle, so when the plastic cutting device is connected with a power supply, the conducting wire has longer connecting length, the use range is wider, a plug protection cover is arranged on the power supply plug, the protection effect is realized on the power supply plug, the structure is simple, and the practicability is high.
Owner:甘肃奥喆建筑材料有限公司

A prefabricated floor mold and floor slab

The invention relates to a prefabricated floor slab mold and floor slab, comprising a table form, an end form arranged on the table form, and a cutaway form connected to the end of the end form; the end form is placed on the outermost ring of the pouring area on the table form ; The cutout mold includes at least two single templates, and the single template is rotatably connected to the nearest end mold; the connection angle between the adjacent end molds, the connection between the end mold and the single template The corners and the connection corners between adjacent single formworks are provided with corner connectors for connection. There is a vertically upward clamping plate, which forms an upwardly opening clamping groove with the end mold and the corner mold respectively, and the corner connector is clamped in the clamping groove at the connecting angle. The mold of the present invention has simple structure, convenient installation and disassembly, and can be applied to the processing requirements of prefabricated floor slabs with irregular shapes or missing corners.
Owner:上海福铁龙住宅工业发展有限公司

Cutting tool for high-speed cutting

The invention discloses a cutting tool for high-speed cutting, comprising a cutter body. At least one group of cutter grooves with wedge-shaped cross sections are arranged on the cutter body, a cutter holder, a wedge block and a fastening piece are arranged in the cutter grooves, a cutter holder containing groove with an opening towards to the bottom surface of the cutter groove and a fastening piece adjusting hole corresponding to the head part of a fastening piece are arranged on the wedge block, the cutter holder is arranged in the cutter holder containing groove, the fastening piece is inthreaded connection with the cutter holder, the head part of the fastening piece pushes against the bottom surface of the cutter holder containing groove, the wedge block and the cutter groove are tightly matched under the pushing-against action of the fastening piece, and the cutter holder is pressed and fixed on the bottom surface of the cutter groove. The cutting tool for high-speed cutting has the advantages of simple and compact structure, low production cost and high safety coefficient, and being convenient to process and manufacture.
Owner:ZHUZHOU CEMENTED CARBIDE CUTTING TOOLS CO LTD

Burr-free milling process of rigid-flex printed circuit board

ActiveCN109693080AGet glitch-free resultsIncrease link lengthPunchingEngineering
The invention discloses a burr-free milling process of a rigid-flex printed circuit board. The burr-free milling process comprises the steps of pre-milling, primary die punching, secondary die punching and finish-milling; and through the cooperation of two times of milling and two times of punching, rigid-flex printed circuit boards with no burr can be processed.
Owner:江西弘信柔性电子科技有限公司

Work machine provided with parallel link mechanism

A work apparatus includes a parallel link mechanism, a position control actuator, a linear motion mechanism, and a rotating mechanism. The parallel link mechanism includes three or more link mechanisms that couple a distal end side link hub to a proximal end side link hub such that a position of the distal end side link hub can be changed relative to the proximal end side link hub. The position control actuator operates the parallel link mechanism. The linear motion mechanism moves a working body in an axial direction orthogonal to a central axis of the proximal end side link hub. The rotating mechanism is mounted on the distal end side link hub and rotates a work object about a rotation center axis parallel to a movement direction of the linear motion mechanism when the central axis and a central axis are on the same line.
Owner:NTN CORP

Novel pipeline electric heater

The invention relates to a new pipeline electric heater, the heating tube is filled with magnesium oxide powder filler, a resistance wire is buried in the magnesium oxide powder filler, the top of the resistance wire is connected to a terminal, and one end of the terminal is buried in the magnesium oxide powder filler Inside, the other end protrudes from the heating tube to the outside of the cylinder and connects the power cord. The outer part of the power cord and the terminal is wrapped with a heat-shrinkable tube, and the bottom end of the heat-shrinkable tube is inserted into the heating tube; AB glue is injected into the heating tube, and the The heat-shrinkable tube and the terminal are sealed and fixed with the heating tube, and the heat-shrinkable tube is further fixed and sealed at the top of the heating tube with silica gel. Install the heat-shrinkable tube in the heating tube to increase the connection length between the heat-shrinkable tube and the heating tube, and double fix it with AB glue and silica gel to improve the firmness and sealing of the connection. The heat-shrinkable tube is not easy to fall off and leak electricity, which improves its safety The production qualification rate of sex and pipeline electric heaters.
Owner:XUZHOU SHUNFENG VALVE

IGBT pin switching device and power assembly

The invention discloses an IGBT pin switching device and a power assembly. The IGBT pin switching device comprises a switching pin, the switching pin comprises a mounting part used for being connected with an IGBT pin and a free end part used for being connected with an external assembly, and the free end part is conductively connected with the mounting part. When the IGBT pin cannot be connected with the external assembly, the switching pin is installed on the IGBT pin, and the IGBT pin is conductively connected with the switching pin, so the length of the IGBT pin is increased through the switching pin, and the IGBT pin is electrically connected with the external assembly. According to the IGBT pin switching device provided by the invention, the switching pin which can be connected with the IGBT pin is arranged, so the connection length of the IGBT pin is increased, and the IGBT pin can be connected with an external assembly under the condition that the length of the IGBT pin is not enough.
Owner:合肥阳光电动力科技有限公司

Wire clamping spring structure and switch structure

The invention provides a wire clamping spring structure and a switch structure. The structure comprises: a longitudinal arm which is in a sheet shape, and a transverse arm which is sheet-shaped and isconnected with the longitudinal arm to form a V-shaped bend; a connecting part is arranged to be arc-shaped, a guide clamping groove is formed in the end part, extending back to the connecting part,of the cross arm; and a longitudinal arm inner side face and a transverse arm inner side face are oppositely arranged in the V-shaped bend, an edge folding part is arranged on the transverse arm innerside face in a protruding mode, the edge folding part is arranged along the edges of the two sides of the extending direction of the transverse arm, and / or a clamping lug part is arranged on the longitudinal arm inner side face, and the clamping lug part is arranged back to the longitudinal arm inner side face in a protruding mode. Through the arrangement, the structural strength and the installation stability of the wire clamping spring are improved, after the wire clamping spring is installed and matched, the phenomena of plug wire loosening and plug wire deviation are not likely to happen,and the problem that a switch control circuit is poor in contact or cannot be powered on is avoided.
Owner:GREE ELECTRIC APPLIANCES ZHONGSHAN SMALL HOUSEHOLD APPLIANCES MFG +1

Method for manufacturing an idler assembly

A method for manufacturing an idler assembly (10) for a shifting clutch apparatus (40) is provided. The idler assembly (10) comprises a idler gear (12) having an idler gear portion (14), a clutch structure (22) having a clutch structure gear (24) and at least an axial recess (34) is formed in idle gear arrangement for receiving a portion (58) of a ring element (56) of the shifting clutch apparatus (40). The introduction of axial recess into the idle gear slug is performed. The coupling structure arrangement is defined at the idle gear slug. An independent claim is included for idle gear arrangement.
Owner:GETRAG GETRIEBE & ZAHNRADFABRIK HERMANN HAGENMEYER GMBH & CO KG
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