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36results about How to "Improve signal interference" patented technology
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Node and a Method for use in a Wireless Communications System
ActiveUS20100279602A1Improve performanceImprove reception performanceRepeater circuitsRadio relay systemsMode switchingAudio power amplifier
The invention relates to a relay or repeater node (21) for use in a wireless communications system said node comprising a receive antenna (23) for receiving a signal through a wireless connection, an amplifier (30) for amplifying the signal and a transmit antenna (27) for forwarding the amplified signal, said node further comprising a mode switching unit (31) for switching between at least a first and a second mode of operation of the node in dependence of an amplification gain requirement. This enables optimization of the node for varying conditions in the network.
Owner:TELEFON AB LM ERICSSON (PUBL)
Forwarding node in a wireless communication system
ActiveUS8750786B2Improve performanceImprove reception performanceFrequency-division multiplex detailsRepeater/relay circuitsAudio power amplifierCommunications system
Owner:TELEFON AB LM ERICSSON (PUBL)
Techniques for performing a random access procedure in an unlicensed spectrum
ActiveUS20170332409A1Increase interference diversityImprove signal interferenceModulated-carrier systemsTransmission path divisionFrequency spectrumTelecommunications
Techniques are described for wireless communication. One method includes transmitting a sequence of deterministic variations of random access data on at least one interlace of non-contiguous frequency resources allocated to a physical random access channel (PRACH) in an unlicensed spectrum, beginning at a first time; repeating the transmitting of the sequence of deterministic variations of random access data at least once, beginning at a second time; generating at least one modification of the sequence of deterministic variations of random access data, in which the at least one modification is generated according to a modification sequence; and transmitting on the at least one interlace, beginning at a third time, the at least one modification of the sequence of deterministic variations of random access data.
Owner:QUALCOMM INC
Array substrate, display panel and display device
InactiveCN107490912AImprove the display effectImprove signal interferenceNon-linear opticsDisplay deviceOptoelectronics
The invention discloses an array substrate, a display panel and a display device. The array substrate comprises a plurality of scanning lines, a plurality of data line crossed with the multiple scanning lines, a plurality of pixel units defined by the scanning lines and the data lines, a plurality of light shading electrode lines and a plurality of common electrode lines; each pixel unit comprises a pixel electrode, and the light shading electrode lines and the pixel electrodes are arranged on the same layer so as to shield the data lines; the common electrode lines and the scanning lines are arranged on the same layer, and the light shading electrode lines and the common electrode lines are arranged independently. Due to the structure, the array substrate signal stability can be improved, and therefore the display effect is improved.
Owner:TCL CHINA STAR OPTOELECTRONICS TECH CO LTD
Adaptive sinr control
ActiveUS20100130133A1Improve signal interferenceEnhanced signalPower managementRadio transmissionGeographic regionsTransmitted power
An adaptive SINR control process is triggered based on various quality measures associated with the received signal in a mobile device or on a geographic region in which a base station and an interferer are located. As part of the adaptive SINR control process the mobile device reduces the signal level of the received signal, which reduces both the signal strength of the desired signal and interfering signal. If the control process is triggered on the mobile device side, after detecting the presence of interference, the mobile device sends a request that the base station increases its transmit power of the desired signal to improve the receiving SINR in the mobile device. Alternatively, the mobile device may receive information from the base station causing the mobile device to reduce the signal level of the received signal based on quality indicators sent by the mobile device to the base station or based on geographic location of the base station.
Owner:AT&T INTPROP I L P
Light sensing apparatus
ActiveCN105552159AReduce thicknessNot easy to straySolid-state devicesSemiconductor devicesLight sensingLight-emitting diode
A light sensing apparatus comprises a first base plate, a light emitting diode, a light sensing unit and a driving element electrically connected with the light sensing unit. The invention relates an arraying relation between the light emitting diode and the light sensing unit on the first base plate.
Owner:AU OPTRONICS CORP
Display module and display device
PendingCN111580699AImprove signal interferenceReasonable settingDigital data processing detailsSemiconductor/solid-state device detailsFlexible circuitsDisplay device
The invention provides a display module and a display device. The display module comprises: a display substrate comprising a display area, a bending area and a binding area; a driving control circuitwhich is arranged on the display substrate and located in the binding area; a main flexible circuit board which is arranged on the display substrate, located in the binding area and located on the inner side of the drive control circuit; a touch flexible circuit board which is arranged on the sides, away from the display substrate, of the driving control circuit and the main flexible circuit boardand falls into the binding area; a heat dissipation metal layer which is arranged between the drive control circuit and the touch flexible circuit board and is in contact with the drive control circuit and the touch flexible circuit board; and a heat dissipation film which is arranged on one side, far away from the driving control circuit, of the display substrate. According to the display module, Panel burn caused by local heat concentration can be avoided, and meanwhile signal interference between the touch flexible circuit board and the Driver IC can be effectively improved and avoided.
Owner:BOE TECH GRP CO LTD +1
Parallel interference cancellation device for multi-user CDMA systems
ActiveUS7280585B2Increase system capacityReduce areaError preventionLine-faulsts/interference reductionInterference cancelationUser input
This invention provide parallel interference cancellation for wireless communication base stations. Received user inputs symbols are spread by means of pseudo-noise sequences to form user input chip vectors. These are added together and interpreted to form chip vectors of interference samples. These chip vectores are despread to form interference output symbols by pseudo-noise sequences. The interference output signals are subtracted from the received user input symbols to obtain a first estimate of transmitted symbols. This process may be continued for two or more iterations to obtain better interference cancellation.
Owner:TEXAS INSTR INC
Method, Terminal And Base Station For Multi-User Interference Suppression
ActiveUS20140369311A1Stable supportImprove accuracySite diversitySpatial transmit diversityMulti user interferenceAntenna array
Embodiments of the present invention provide a multi-user interference suppression method, terminal and base station. The method includes performing layer mapping on and precoding service data of each of paired users to obtain precoded output data, mapping the precoded output data and a common pilot sequence to a port of an antenna array for sending to each user by using the antenna array. Correspondingly, the embodiments of the present invention further provide a data receiving method, base station and terminal. By using a common pilot sequence based on the paired users, the same pilot sequence is used for each user in the paired users of a cell or a collaborative area, which is different from the technical solution in the prior art where a user-specific pilot is used and pilots of different users are orthogonal.
Owner:HUAWEI TECH CO LTD
Shading film and FPC (flexible circuit board)
InactiveCN108753226AImprove shielding effectImprove anti-interference abilityNon-macromolecular adhesive additivesSynthetic resin layered productsPolymer scienceFlexible circuits
The invention discloses a shading film and relates to the field of an FPC (flexible circuit board). The shading film comprises a black PI (polyimide) layer, a black rubber layer and copper foil, wherein the black PI layer, the black rubber layer and the copper foil are sequentially coated with an adhesive for adhesion, and the adhesive is prepared from raw materials in percentage by weight as follows: 10%-15% of rubber, 10%-12% of a flame retardant, 3%-5% of a curing agent, 0.05%-0.1% of an ion catcher, 0.1%-0.5% of an antioxidant, 0.1%-0.5% of an accelerant, 15%-20% of resin, 30%-40% of carbon powder and 6.9%-31.75% of a diluent. The invention further discloses the FPC. The shading film and the FPC have good signal shielding effect and anti-disturbance performance and can block unnecessary light.
Owner:SHENZHEN KNQ SCI & TECH CO LTD
Touch screen, touch display and mobile terminal
ActiveCN109375822AIncrease wiring spaceNo risk of crushing lead patternsInput/output processes for data processingElectrical and Electronics engineeringSignal interference
The invention relates to a touch control screen, a touch control display screen and a mobile terminal. The conductive pattern layer is arranged on the inner side of the substrate and distributed on the horizontal part and the bent part. The bent part is far away from the side of the conductive pattern layer and separates the conductive pattern layer from the antenna so as to reduce the interference of the conductive pattern layer to the antenna. The invention enlarges the trace space of the lead pattern and improves the signal interference caused by the lead pattern to the antenna. Compared with the prior art which uses insulating glue to isolate the lead pattern and the antenna, the manufacturing process is simpler, and there is no risk of crushing the lead pattern when the antenna is assembled.
Owner:INTERFACE TECH CHENGDU CO LTD +2
Touch panel
InactiveCN104808835AReduced antenna characteristicsImprove signal interferenceInput/output processes for data processingTouch SensesTouch panel
The utility model provides a touch panel. The touch panel comprises a substrate, a touch sensing element, a plurality of wires and a grounding electrode. The substrate comprises a displaying area and a peripheral area adjacent to the displaying area. The touch sensing element is arranged on the substrate and at least located in the displaying area. The wires are located on the substrate and in the peripheral area and electrically connected with the touch sensing element. The grounding electrode is arranged on the substrate and in the peripheral area. The grounding electrode comprises a plurality of segments separated from one another.
Owner:WINTEK CORP
Elastic piece connecting structure
ActiveCN103199389AImprove signal interferenceReduce external leakageCoupling device detailsRadio frequency signalSignal interference
The invention relates to an elastic piece connecting structure which comprises a first circuit board, an elastic piece and a second circuit board. A containing groove is formed in the upper surface of the first circuit board, the elastic piece comprises a welding end, a contacting end and a bending part, the welding end is arranged at one end of the elastic piece, the welding end is fixed on the upper surface of the first circuit board and connected with the first circuit board in an electrical mode, the contacting end is arranged at the other end of the elastic piece, the bending part is connected with the welding end and the contacting end, and the bending part of the elastic piece is placed in the containing groove. The second circuit board is arranged above the first circuit board in a parallel mode and connected with the contacting end of the elastic piece in the electrical mode, and therefore the second circuit board is connected with the first circuit board through the elastic piece in the electrical mode. According to the elastic piece connecting structure, the elastic piece is arranged in the containing groove which is formed in the upper surface of the first circuit board, the elastic piece is arranged between the first circuit board and the second circuit board, external leaking of radio-frequency signals is reduced notably through shielding of the two circuit boards, and the problem of signal interference between elastic pieces can be improved effectively.
Owner:HUAWEI MACHINERY
Electric connector
ActiveCN105186157AImprove signal interferenceImprove electromagnetic interferenceCoupling device detailsElectromagnetic interferenceEngineering
The invention relates to an electric connector comprising an insulating body, a first terminal group, a second terminal group, and a shielding case. The insulating body contains a base part and a tongue plate protruding from the base part forwardly. The tongue plate includes a first tongue plate and a second tongue plate connecting the base part with the first tongue plate, wherein the first tongue plate is thicker than the second tongue plate. The shielding base contains a horizontal shielding plate, a pair of covering plates, and a pair of connecting plates; the horizontal shielding plate is arranged between the first terminal group and the second terminal group in the tongue plate; the covering plates are arranged at the upper side and the lower side of the shielding plate; and the connecting plates are connected to the shielding plate and the covering plates. The covering plates and the connecting plates encircle the outer sides of the first terminal group and the second terminal group. Each covering plate contains a front plate arranged on the second tongue plate, a rear plate arranged at the rear of the front plate, and a middle plate connecting the front plate and the rear plate; and the connecting plates are connected to the left end and the right end of the rear plate and are staggered at all directions. Therefore, the signal interference between the terminal groups and the external electromagnetic interference can be prevented.
Owner:LUXSHARE ELECTRONICS TECH (KUNSHAN) LTD
Composite material pile-anchor supporting device
InactiveCN107604927ALight weightIncrease weightExcavationsBulkheads/pilesElectromagnetic interferenceRock bolt
The invention belongs to the technical field of civil construction foundation pit construction, and relates to a composite material pile-anchor supporting device. The inner ends of fastening nuts areconnected with stress dispersion discs in a biting manner. Lattice type steel cushions are connected with the stress dispersion discs and double-web type composite material waist beams. Centering supports are connected with anchor rod holes and anchor rod bodies so that the anchor rod bodies can be located at centers of the anchor rod holes. Grout is injected in the anchor rod holes. Soil betweenpiles is around the anchor rod holes. A box-shaped section of each double-web type composite material waist beam is composed of a composite material waist beam upper flange, a composite material waistbeam lower flange and two composite material waist beam webs. Main bars and spiral stirrups are bound and connected through binding wires. Crown beams are installed at pile ends of grouting piles. The steel cushions are connected with bolts and the composite material waist beam webs. Manual assembling operation is conveniently conducted, construction is safe, convenient and rapid, operation and maintenance expenses are reduced, the service life is prolonged, the electromagnetic interference resistance is high, the composite material pile-anchor supporting device can be used in a cyclic manner, the production cost is low, and the application and popularization potential is large.
Owner:QINGDAO TECHNOLOGICAL UNIVERSITY
Composite material pile-anchor supporting method
The invention belongs to the technical field of civil construction foundation pit construction, and relates to a composite material pile-anchor supporting method. A glass fiber composite material pile-anchor supporting structure is adopted in foundation pit supporting, steel is saved, environment protection is achieved, the problem of component corrosion is fundamentally solved, operation and maintenance expenses of the structure are reduced, and the service life of the structure is prolonged; particularly when urban subway tunnel construction is conducted, at the cave entering position of a shield tunneling machine of fender piles, reinforcing steel bars are replaced with glass fiber bars, the shield tunneling machine can directly cut the fender piles for tunneling when entering a cave, and therefore the work of cutting off the reinforcing steel bars and chiseling a cave door in advance is avoided, the construction process can be simplified, the construction process can be accelerated, construction risks can be reduced, cost can be reduced, and disturbance to soil mass behind the fender piles can be reduced; and by improving the process, the detachable construction mode is achieved for novel pile-anchor supporting, cyclic utilization of waist beams can be further achieved, and the engineering cost can be reduced.
Owner:QINGDAO TECHNOLOGICAL UNIVERSITY
Adaptive sinr control
ActiveUS20150018033A1Improve signal interferenceEnhanced signalPower managementRadio transmissionGeographic regionsTransmitted power
Owner:AT&T INTPROP I LP
Adaptive SINR control
ActiveUS8849335B2Improve signal interferenceEnhanced signalPower managementRadio transmissionGeographic regionsTransmitted power
Owner:AT&T INTPROP I LP
Endoscopic x-ray luminescence tomography device and method
ActiveCN104168830BOvercoming the problem of strong autofluorescence interferenceQuality improvementComputerised tomographsDiagnostic recording/measuringX-rayLight signal
An endoscopic X-ray luminescence tomography device, comprising: an excitation source unit (1), used to excite a probe inside an object under inspection from an external excitation source; a signal acquisition unit (2), used to collect the probe of the object under inspection The X-ray image and the near-infrared light signal image emitted after the probe is excited; the calculation unit (4) is used to preprocess the collected X-ray image and infrared light signal image, and to preprocess the X-ray image Sparse reconstruction is performed to obtain the structural information of the inspected object and the position information of the endoscopic probe in the signal acquisition unit inside the inspected object, and the preprocessed near-infrared light signal image is processed by using the obtained structural information and position information Perform optical three-dimensional reconstruction to obtain the position information and distribution information of the target inside the object under inspection.
Owner:GUANGZHOU BLT INSTR & METER
Beam steering techniques for external antenna configurations
ActiveUS20190253901A1Reduce in quantityIncrease the number ofSpatial transmit diversityNetwork topologiesTelecommunications linkCommunications system
A beam steering antenna system for external antenna configurations for fixed and mobile communication devices is described where one or multiple beam steering antennas are integrated into a single external enclosure and where multiple enclosures containing beam steering antennas are used with a single communication device. Where multiple external enclosures are used with a single communication system such as a WLAN access point the beam steering antenna system provides an electrical means of optimizing antenna system and communication link performance as compared to mechanical means such as antenna enclosure positioning or orientation. Radiation mode selection for 2.4 GHz and 5 GHz antennas integrated into an external enclosure on a WLAN access point allows for independent optimization of the antenna systems for the two frequency bands without requiring antenna movement or positioning. If the antenna enclosures are movable or capable of rotation the beam steering antennas can be optimized for enclosure orientation.
Owner:KYOCERA AVX COMPONENTS (SAN DIEGO) INC
Adhesive and preparation method and use method thereof, light screen film and FPC
InactiveCN108913094AImprove shielding effectImprove anti-interference abilityNon-macromolecular adhesive additivesOther rubber adhesivesAntioxidantAdhesive
The invention discloses an adhesive and a preparation method and a use method thereof, a light screen film and an FPC, and relates to the field of FPC. The adhesive comprises the following raw materials by the weight percentage: 10%-15% of rubber, 10%-12% of a flame retardant, 3%-5% of a curing agent, 0.05%-0.1% of an ion trapping agent, 0.1%-0.5% of an antioxidant, 0.1%-0.5% of an accelerant, 15%-20% of resin, 30%-40% of carbon powder and 6.9%-31.75% of a diluent. The FPC adopts the light screen film prepared with the adhesive, the manufacturing process of the FPC is shortened, the labor costis reduced, and the total thickness of the FPC is reduced; the light screen film shields signals and resists interference for the FPC, can shield unnecessary light rays, and greatly improves the protection of FPC circuit design.
Owner:SHENZHEN KNQ SCI & TECH CO LTD
Packaging module, preparation method thereof, base station and electronic equipment
PendingCN114566479AIncrease distanceImprove signal interferenceSemiconductor/solid-state device detailsSolid-state devicesElectrical connectionElectronic equipment
The invention discloses a packaging module, a preparation method thereof, a base station and electronic equipment. The packaging module comprises a substrate, a chip located on the substrate, a first plastic packaging layer, a wiring layer located on the plastic packaging layer, and a plurality of interconnection electrodes, a second plastic packaging layer and a conductive layer which are located on the wiring layer. The interconnection electrodes are electrically connected with the wiring layer, and the conductive layer is located on the second plastic packaging layer and comprises a grounding welding pad and a signal transmission welding pad electrically connected with the plurality of interconnection electrodes. In the packaging module, the interconnection electrodes can adjust the height of the cavity, so that the self-excitation problem of the power amplifier can be avoided. And the grounding welding pad in the conductive layer can shield the radio frequency signal on the wiring layer, so that the signal interference problem between the chip and the power amplification plate can be improved. Besides, as only the signal transmission welding pad for providing input / output signals for the chip needs to be arranged in the conducting layer, and wiring does not need to be arranged, enough area can be provided for arranging the grounding welding pad, and the occupied area of the packaging module can not be increased.
Owner:HUAWEI TECH CO LTD
Method and Apparatus for Interference Monitoring of Radio Data Signals
ActiveUS20180287645A1Enhanced signal interference monitoringImprove signal interferenceLocation information based serviceElectrical apparatus interference reductionData signalSignal of interest
A method and apparatus is provided for enhanced signal interference monitoring by sampling a signal of interest and using a representation of the sampled signal in combination with certain audio output capabilities to determine the nature of either the primary received data signal or the secondary interfering signals without requiring any specialized, dedicated external equipment, additional hardware and / or disturbing the primary functions of a radio modem.
Owner:TOPCON POSITIONING SYST INC
Transmitting signal interference optimization method, display module and terminal
ActiveCN110138494AImprove signal interferenceDesign optimisation/simulationCommunication jammingComputer terminalVIT signals
The embodiment of the invention discloses a transmission signal interference optimization method, a display module and a terminal. In order to solve the problems that the integration level of an existing intelligent electronic product becomes higher and higher, the position of a component generating signal interference becomes closer and closer to the position of a signal antenna, and interferencebecomes serious when the antenna transmits signals, the method comprises the steps of determining a setting plane of a circuit board as a reference plane; loading a transmitting signal with a specific frequency on the antenna, and performing signal simulation on the transmitting signal to obtain a signal simulation result of the transmitting signal; according to a reference signal simulation result, determining a target area with minimum transmission signal interference; setting an interference device on the target area. According to the transmitted signal interference optimization method, the target area with the minimum interference on the circuit board needing to be provided with the interference component is found out through signal simulation, and by arranging the interference component in the target area, the signal interference problem generated by the interference component in the signal transmitting process of the antenna is optimized.
Owner:山东龙迅网联科技有限公司
Wire tidying device
InactiveCN104600636AAvoid signal interferenceImprove signal interferenceElectrical apparatusElectrical and Electronics engineeringSignal interference
The invention provides a wire tidying device which comprises a main body and one or more shielding covers. The main body is provided with multiple mutually-independent and parallelly-arranged wire tidying grooves, the shielding covers cover the open end of at least one wire tidying groove. Due to the fact that the multiple mutually-independent and parallelly-arranged wire tidying grooves are formed, different type of cables can be independently stored in the different wire tidying grooves and can be isolated mutually, signal interference of the different type of cables is effectively avoided, the storage reliability of the wire tidying device is improved, the occupied area of the cables is effectively decreased, and the cables can be easily stored. Due to the fact that the shielding covers are arranged at the open end of at least one wire tidying groove, signals of the wire tidying grooves covered by the shielding covers are not easily scattered to the outside, the cables are not mutually interfered, signal interference of the different type of cables is further shielded, and the using safety of the wire tidying device is improved.
Owner:CRRC QINGDAO SIFANG CO LTD +1
electrical connector
ActiveCN105186157BReduce in quantityImprove signal interferenceCoupling device detailsElectromagnetic interferenceEngineering
Owner:LUXSHARE ELECTRONICS TECH (KUNSHAN) LTD
Circuit for improving coexistence and co-frequency interference of functional modules
The embodiment of the invention discloses a circuit for improving co-existence and co-frequency interference of functional modules. The circuit comprises a WIFI module, a Bluetooth module, a ZigBee module, a power amplification module and a logic circuit module; the logic circuit module is connected with each module; the WIFI module is connected with the power amplification module; the WIFI moduleis used for sending a first priority control signal and a first activation signal and receiving a first closing request signal; the Bluetooth module is used for sending a second priority control signal and a second activation signal and receiving a second closing request signal; the ZigBee module is used for sending a third priority control signal and a third activation signal and receiving a third closing request signal; the power amplification module is used for amplifying and outputting signals of the WIFI module; and the logic circuit module is used for receiving priority control signalsand activation signals corresponding to the WIFI module, the Bluetooth module and the ZigBee module, and sending corresponding closing request signals to each module after operation so as to control the working priority and the starting and stopping time of each module. The problem of co-frequency interference of functional modules is solved.
Owner:深圳市广联智通科技有限公司
Shrapnel connection structure
ActiveCN103199389BImprove signal interferenceReduce external leakageCoupling device detailsRadio frequency signalSignal interference
Owner:HUAWEI MACHINERY
Method for manufacturing through substrate via (tsv), tsv structure of through silicon via and control method of tsv capacitance
InactiveCN103531533AImprove signal interferenceAvoid attenuationSemiconductor/solid-state device detailsSolid-state devicesCapacitanceConductive materials
A method for manufacturing a through substrate via (TSV) structure, a TSV structure, and a control method of a TSV capacitance are provided. The method for manufacturing the TSV structure includes: providing a substrate having a first surface and a second surface; forming a trench in the first surface of the substrate; filling a low resistance material into the trench; forming an insulating layer on the first surface of the substrate; forming at least one opening in the first surface of the substrate, wherein the opening is located differently the trench; forming an oxide liner layer, a barrier layer and a conductive seed layer on a sidewall and a bottom of the opening and on the insulating layer of the first surface; and filling a conductive material into the opening. Thus, the through substrate via (TSV) structure can reduce a noise problem of the substrate.
Owner:IND TECH RES INST
Novel lathe grinding head
InactiveCN107855879AEffective speed controlSimple structureGrinding drivesGrinding machinesDrive shaftFrequency conversion
The invention relates to a novel lathe grinding head which comprises a base. A frequency conversion motor set is arranged on the base, an alarm device is arranged at the top of the frequency conversion motor set, the frequency conversion motor set is connected with a transmission mechanism, a CPU controller is arranged at the top of the transmission mechanism, the transmission mechanism is connected with a transmission shaft, the transmission shaft is connected with a rotary index plate, the rotary index plate is fixedly connected with a grinding wheel, a protection cover is arranged on the grinding wheel, the protection cover is provided with a fixed speed instrument, and the fixed speed instrument is connected with the grinding wheel. The novel lathe grinding head is simple in structure,stable and firm; the CPU controller is adopted, the automatic degree is high, the mutual matching degree is high, errors are small, the working quality is improved, and the production time is shortened; the frequency conversion motor set serves as a motor set, the frequency is effectively converted, signal interference is avoided, and the working efficiency is improved; the fixed speed instrumentis used for effectively controlling the rotating speed of the grinding wheel, uniform rotation of the novel lathe grinding head within the safe scope is achieved, the machining surface quality is improved, and the service life is prolonged; and the rotary index plate can adjust the angle, the angle of the grinding wheel can be changed for polishing, and the accuracy is improved.
Owner:江苏瑞泰砂轮制造有限公司
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