77results about How to "Avoid transmission loss" patented technology

The invention discloses a turbine fracturing semitrailer. The turbine fracturing semitrailer comprises a semitrailer body, a turbine engine, a reduction gearbox, a transmission mechanism and a plungerpump; the turbine engine, the reduction gearbox, the transmission mechanism and the plunger pump are arranged on the semitrailer body, the output end of the turbine engine is connected with the reduction gearbox, and the reduction gearbox is connected with the plunger pump through the transmission mechanism in a transmission mode. The turbine fracturing semitrailer has the beneficial effects thatthrough linear connection of the turbine engine, the reduction gearbox, the transmission mechanism and the plunger pump in the power-transmission direction, excessive transmission loss can be avoided, and efficient transmission performance is guaranteed; and the whole semitrailer is small in size, light in weight, low in the use cost, and low in failure risks.

The system for treating an internal organ has a generator source for producing a shock wave connected to a portable shock wave applicator device, wherein the shock wave applicator device has a side-firing shock wave head having a variable angle adjustment relative to a release and lock connected handle or holder means for holding said device. The inclination of the shock wave head can be set to a fixed inclination to reach the organ at various locations or surfaces or can be pivotally inclined continuous to vary the treatment surfaces area.

A wireless communications system including a mobile station MS and base stations BS1 and BS2, wherein one or both of the mobile station MS and the base stations BS1 and BS2 is provided with a unit for notifying information of a frame position with the possibility of transmission of packets based on detection of deterioration of a reception quality and wherein the mobile station MS is provided with a unit for determining a frame position without the possibility of transmission of packets and shifting to a peripheral cell detection mode at this frame position based on information of a frame position with the possibility of transmission of packets, whereby it is possible to shift to a peripheral cell detection mode without lowering the transmission efficiency and without complicating the processing.

A semiconductor device is disclosed that includes a support substrate, a first semiconductor element that is mounted on one side of the support substrate, a second semiconductor element including a high frequency electrode that is mounted on the one side of the support substrate, a via hole that is provided at the support substrate in relation to the high frequency electrode, and an external connection electrode that is provided on the other side of the support substrate in relation to the via hole.

The system for treating an internal organ has a generator source for producing a shock wave connected to a portable shock wave applicator device, wherein the shock wave applicator device has a side-firing shock wave head having a variable angle adjustment relative to a release and lock connected handle or holder means for holding said device. The inclination of the shock wave head can be set to a fixed inclination to reach the organ at various locations or surfaces or can be pivotally inclined continuous to vary the treatment surfaces area.

An optical fiber is fabricated with a refractive index profile having a central core; a middle part provided around the outer periphery of the central core and having a lower refractive index than that of the central core; and a cladding provided around the periphery of the middle part and having a higher refractive index than the middle part and a lower refractive index than the central core. This optical fiber has an effective core area of 120 μm2 or more in an employed wavelength band selected from the range of 1.53˜1.63 μm, and has a cut-off wavelength that is capable of substantially single mode propagation in the aforementioned employed wavelength band. As a result, it is possible to construct an optical transmission system having excellent transmission characteristics in which nonlinearity is decreased.

A light-emitting device contains getter material (58) typically distributed in a relatively uniform manner across the device's active light-emitting portion. An electron-emitting device similarly contains getter material (112, 110 / 112, 128, 132, and 142) typically distributed relatively uniformly across the active electron-emitting portion of the device.

A speaker diaphragm 1 includes a first diaphragm portion 5, a second diaphragm portion 6 integrally molded with the first diaphragm portion 5, and a bobbin-receiving portion 7 protruding from a back side of a connecting portion between the first diaphragm portion 5 and the second diaphragm portion 6, with one end of a voice coil bobbin 2 being bonded to the bobbin-receiving portion 7. The bobbin-receiving portion 7 includes a first extension 8 extending backwards from the first diaphragm portion 5 and a second extension 9 extending backwards from the second diaphragm portion 6. A bobbin-receiving groove 10 is defined between the first extension 8 and the second extension 9. The voice coil bobbin 2 is inserted in and bonded to the bobbin-receiving groove 10.

To provide a push type driving belt, which is capable of preventing uneven wear of the ring and deterioration in durability of the ring, by preventing a transmission loss resulting from an internal slippage of the ring, and by positioning the ring properly with respect to the element.The push-type driving belt B comprises: an element 1, in which a recess 8 opening toward a diametrically outer circumferential side is formed in a width center thereof; and a ring 9, which is formed of single layer in its thickness direction using elastic material, and which is fitted into the recess 8 of the element 1 to fasten the elements 1 juxtaposed in a circular manner. In the push-type driving belt B, inclined faces 13 and 14 are formed on side faces 9a and 9b of the ring 9 plane symmetrically across a width center plane C; and contact faces 15 and 14 each inclination thereof is identical to that of the inclined faces 13 and 14 and each area thereof is smaller than that of the inclined face 13 and 14 are formed on the inner wall 6a and 7a of width end of the recess 8.

An adapter device, which is configured to couple an endoscope with a medical appliance, such that the medical appliance is provided to generate light to illuminate an object to be investigated by an endoscope, includes an adapter body with a through-hole through which light generated by the medical appliance can be transmitted, and a fastening device to removably secure the adapter body on the medical appliance. The side of the adapter body that is to face the medical appliance is configured to be held form-locked in a predetermined angle position when the adapter body is secured on the medical appliance.

The invention relates to a ball distribution mechanism of a steel ball processor, belonging to the technical field of steel ball processing machinery. The ball distribution mechanism of a steel ball processor comprises a stand, a power transmission device arranged on the stand, a first ball distribution disc support, a second ball distribution disc support and a ball distribution disc, wherein the first ball distribution disc support and the second ball distribution disc support are mutually parallel, the ball distribution disc is arranged on the first ball distribution disc support and the second ball distribution disc support and connected with the power transmission device, one side of the disc edge of the ball distribution disc is provided with first ball blocking plates, a first ball outlet is formed between the two adjacent first ball blocking plates, the other side of the disc edge of the ball distribution disc is provided with second ball blocking plates, a second ball outlet is formed between the two adjacent second ball blocking plates, an area from the first ball outlet to the second ball blocking plates is a first ball storage cavity, an area from the second ball outlet to the first ball blocking plates is a second ball storage cavity, and the first ball storage cavity and the second ball storage cavity are separated by a blocking bulge. The invention can reduce transmission links and avoid transmission loss, has no phenomenon that steel balls to be quenched are left in the ball distribution disc, has simple integral structure and saves manufacturing cost and installation space.

It is an object of the present invention to provide an optical fiber cable which can reliably prevent increased transmission loss due to damage of the optical fiber as a result of the egg-laying behavior of cicadas. The cable includes at least an optical fiber 1, tension members 6 and a sheath 3. The sheath 3 has a shore D hardness of 55 or more and a minimum distance L from a surface of the optical fiber 1 to an outer surface of the sheath 3 of greater than 0.3 mm. Further, in the cable, the surface of sheath 3 has a coefficient of friction of 0.45 or less and the sheath 3 has a shore D hardness of 57 or more. In addition, the cable is made by using a specific flame retardant composition (P) as the sheath material.

Provided are a method for information transmission adjustment, a base station, and user equipment, said method comprising: by means of an upper layer message, sending BWP handover information to a target UE, said BWP handover information being used for instructing said target UE to switch current bearer information transmission from a first BWP to a second BWP; monitoring the preset uplink feedback information of the target UE, said preset uplink feedback information being used for indicating that the target UE has received and / or parsed said BWP handover information; if said preset uplink feedback information has been received, then stopping scheduling of the target UE on the first BWP. When a base station upper layer message instructs a UE to switch BWPs, the information transmission adjustment method of the present disclosure ensures that during the handover process, the UE will not experience information transmission loss, thus effectively enhancing the reliability of information transmission during a BWP handover process.

The invention relates to the related field of coal mining, in particular to automatic sorting equipment which comprises a grading box, grading rollers, a driving assembly, an adjusting assembly, a conveying belt, an identifying assembly and a collecting assembly.The automatic sorting equipment comprises the grading box, the grading rollers, a driving assembly, an adjusting assembly, a conveying belt, an identifying assembly and a collecting assembly.Firstly, raw coal is poured into the grading box, and the size of a gap between every two adjacent grading rollers is adjusted through the adjusting assembly; raw coal is graded one by one according to the size of the gaps between the grading rollers, then all the grading rollers are driven by the driving assembly to rotate, the raw coal which does not fall off from the gaps between the grading rollers moves in the length direction of the grading box, and the graded raw coal finally falls onto the conveying belt. According to the coal gangue sorting device, coal gangue in raw coal is recognized through the recognition assembly on the conveying belt, then the recognized coal gangue is clamped through the material moving mechanism and moved out of the conveying belt, and the technical problems that when the coal gangue is sorted in a manual mode, labor intensity is large, the working environment is severe, and efficiency is low are solved.

An integrated seawater chlorophyll microfluidic chip sensor capable of enhancing the anti-interference ability and improving the fluorescence detection efficiency adopts the technical scheme that the integrated seawater chlorophyll microfluidic chip sensor is characterized by consisting of a Si-PIN detector (1), a 6H-SiC / ITO / SiO2 layer (3), a reflecting and welding layer (4), an LED chip (5), a glass plate (6), a PDMS microfluidic channel (7) and a coated reflector (8), wherein the Si-PIN detector (1), the 6H-SiC / ITO / SiO2 layer (3), the reflecting and welding layer (4), the LED chip (5), the glass plate (6), the PDMS microfluidic channel (7) and the coated reflector (8) are sequentially connected from bottom to top. The invention also discloses a method for manufacturing integrated seawater chlorophyll microfluidic chip sensor.

The invention relates to a bladeless fan which comprises a base and a fan chimney arranged at the upper end of the base. An air inlet is formed in the side face or the bottom of the base, an impellerand a motor for generating airflow are arranged in the base, a big-end-down flared air outlet is formed in the upper end of the base, a connecting sleeve is arranged at the lower end of the fan chimney, a big-end-down flared air inlet hole is formed in the connecting sleeve, a large end of the flared air inlet hole is connected with a small end of the flared air outlet of the base, a small end ofthe flared air inlet hole is connected with a bottom opening of the fan chimney, a vertical channel for receiving the airflow is arranged in the fan chimney, the center of the vertical channel and thecenters of the flared air inlet hole and the flared air outlet are positioned on the same straight line, at least one row of longitudinally distributed air outlet narrow slits are formed in the surface of the fan chimney, and the airflow received by the vertical channel is jetted outwards from the air outlet narrow slits. The bladeless fan has the advantages of balanced and stable airflow, stability, comfort, high flow, strong wind power, reasonable structure, attractive appearance, low noise, convenience in disassembly and assembly and the like.

The present invention provides a coated optical fiber in which a silica type optical fiber is coated with n layers (n being an integer of 2 or greater) of UV-curable resin, wherein the sum of respective contraction stress indices FI defined in the n layers of UV-curable resin by the following expression: FI [N]=(Young's modulus [MPa] of the UV-curable resin layer at −40° C.)×(cross-sectional area [mm2] of the UV-curable resin layer)×(effective linear expansion coefficient [10−6 / ° C.] / 106)×(temperature difference 190[° C.]) is 3 [N] or less. The present invention can sufficiently prevent transmission characteristics from deteriorating in a low temperature environment.

A high-frequency module includes a switch IC. An antenna filter is connected to a common terminal of the switch IC and arranged adjacent to an antenna. The antenna filter is a low-pass filter whose attenuation band includes higher harmonic frequency bands of GSM1800 / GSM1900 transmission signals and TDS-CDMA transmission signals. An individual-terminal filter is connected to one individual terminal of the switch IC. The individual-terminal filter is a low-pass filter whose attenuation band includes higher harmonic frequency bands of GSM850 / GSM900 transmission signals.

Provided is an optical fiber ribbon capable of concurrently ensuring mid-span access performance and cable production performance. The optical fiber ribbon 1 includes three or more optical fibers 2 arranged in parallel and connecting portions 3 connecting the adjacent optical fibers 2, the connecting portions 3 being formed intermittently in each of a ribbon longitudinal direction X and a ribbon width direction Y. The optical fiber ribbon 1 including the connecting portions 3 having split strength which is set in the range from 1.50 gf to 21.0 gf, contributes to exhibiting both the mid-span access performance and the cable production performance.

A preform (15) is hung from an arm (72) into a heating furnace (74). The heating furnace (74) has five heater units (90-94). A gas supply device (77) supplies nitrogen gas to the heating furnace (74). The heating furnace (74) is divided into five sections by orifices (95-100), and the temperature of each divided section is controlled by the heater units (90-94) provided in each section. A seal member (106) attached to the top side of the heating furnace (74) shields the heating furnace (74) from external air, so it is possible to prevent turbulence in the divided sections in the heating furnace (74).

A bifunctional polymerizable compound represented by the following formula:A-E1-E2-(E3)k-E4-BwhereinA is CH2═CR1—COO-(L1)m-;B is CH2═CR2—COO-(L2)n-;each of R1 and R2 which are independent of each other, is a hydrogen atom or a methyl group;each of L1 and L2 is —(CH2)p— wherein p is each independently an integer of from 2 to 8, each of m and n which are independent of each other, is 0 or 1, provided that when at least one of m and n is 1, there may be an etheric oxygen atom between the carbon-carbon linkage of —(CH2)p— or at the terminal on the side bonded to E1 or E4, and at least one hydrogen atom may be substituted by a fluorine atom, a chlorine atom or a methyl group;each of E1 and E4 is a 1,4-phenylene group; andone of E2 and E3 is a trans-1,4-cyclohexylene group and the other is a trans-1,4-cyclohexylene group or a 1,4-phenylene group, k is 0 or 1, provided that when k is 0, E2 is a trans-1,4-cyclohexylene group, and the 1,4-phenylene group and the trans-1,4-cyclohexylene group as E1 to E4 may be each independently such that at least one hydrogen atom bonded to a carbon atom(s) constituting the cyclic group may be substituted by a fluorine atom, a chlorine atom or a methyl group.

The invention discloses a self-propelled type hydrofoil device. The device comprises a guide mechanism, a steering rod, a steering supporting shaft, an operator pedal, a frame-shaped supporting member and a rear wing, wherein the rear wing is installed at the lower end of the frame-shaped supporting member, the operator pedal is installed on the inside of the upper end of the frame-shaped supporting member, one end of the steering supporting shaft is connected to the steering rod, a pedal rotating resetting mechanism is arranged between the other end of the steering supporting shaft and the frame-shaped supporting member, the rear wing can cut in the water to generate forward driving force through the pedal rotating resetting mechanism when the operator pedals the operator pedal, and the rear wing rises to the water surface sliding state when the operator stops pedaling the operator pedal. During usage, the operator is not required to pedal the pedal fiercely, the operator is required to pedal with the jogging force of two feet, the hydrofoil device can slide quickly for a long time, and the hydrofoil device has the advantages of being simple in structure, easy to operate, force-saving and practical.

A high-frequency module includes a switch IC. An antenna filter is connected to a common terminal of the switch IC and arranged adjacent to an antenna. The antenna filter is a low-pass filter whose attenuation band includes higher harmonic frequency bands of GSM1800 / GSM1900 transmission signals and TDS-CDMA transmission signals. An individual-terminal filter is connected to one individual terminal of the switch IC. The individual-terminal filter is a low-pass filter whose attenuation band includes higher harmonic frequency bands of GSM850 / GSM900 transmission signals.

The invention relates to a two-component transparent epoxy resin optical fiber adhesive which is formed by a base resin A and a curing agent B. components A and B are mixed at a proportion of 1: (0.01-0.02) and then used for construction, wherein component A is composed of 94.5%-96% of cycloaliphatic epoxy resin, 3%-5% of a flexibilizer and 0.3%-1.0% of a defoaming agent, and component B is a cation type curing agent. The optical fiber adhesive is transparent, low in viscosity, high in adhesion, not easy to crack, temperature and corrosion resistant; can be widely applied to optical fiber cable connectors, optical components and optical communications; and is simple in preparing process, low in producing cost, and suitable for mass industrial production.

The invention provides a boiler compression heat pump and an absorption heat pump under the step driving of a power generator. According to the boiler compression heat pump and the absorption heat pump under the step driving of the power generator, the power generator, a smoke boiler, the compression heat pump and the absorption heat pump are integrated to form a system. The power generator is used for outputting high-grade electric energy so that the compression heat pump can be driven, and power transmission loss is avoided. An engine is utilized in a stepped mode to discharge low-grade smoke, and the heat energy of the smoke is used for driving the smoke boiler. Cooling heat energy of a cylinder sleeve is used for driving the absorption heat pump. Stepped heating and refrigerating in spring and autumn, overlap-type heating in winter, and parallel refrigerating in summer can be achieved through switching; the pay back period can be shortened by 50%; and the comprehensive energy utilization rate can be doubled and reaches 180%, and the effect that the heat value of one part of fuel can generate 6 parts of useful heat energy and cold energy is achieved to the maximum extent.

The present invention relates to methods and systems for de novo iterative synthesis, an automated iterative drug discovery method and system providing for rapid identification and synthesis of novel compounds.