1308 results about "Optical fiber cable" patented technology

Disclosed herein is an angular optical component retention and removal system that reduces the amount of space needed to accommodate fiber optic cables and enables optical components to be quickly and easily inserted, retained, and removed from an optical communications system. The optical component retention and removal system may include a single or plural angular retention sections that retain optical components in an angular orientation through a faceplate. The system may further include an insertion / retention mechanism that enables an optical component to be inserted and removed with a single hand. With the system, fiber optic cables extend at an angle from the optical components, requiring less clearance space in front of the faceplate for provision of the fiber optic cables.

In the present invention, a location joint monitoring solution based on the state of a distributed optical fiber and based on an ultra-short baseline is used, and the solution consists of a distributed optical fiber monitoring device, an ultra-short baseline positioning device and a health monitoring host computer. The distributed optical fiber monitoring device consists of a distributed optical fiber cable (300), a distributed optical fiber demodulator (421), etc. The ultra-short baseline positioning device consists of an ultra-short baseline array (200), an underwater beacon (100), a signal processing device (411), etc. The health monitoring host computer (431) can perform signal conditioning, digital signal processing and parameter estimation by means of the signal processing device and the distributed optical fiber demodulator and by using acquired data such as key point locations, deformation and postures, and complete space curve reconstruction of an underwater riser by means of a space curve reconstruction algorithm and an existing finite element analysis software platform, thereby realizing visual outputs of an underwater state of a marine riser.

The invention discloses an optical cable intelligent label full life cycle management method and system, and the method comprises the steps: extracting structured data through an XML analysis engine based on a configuration file, carrying out the semantic analysis of an unstructured text, carrying out the regression quantification of text features through combining symbol quantiles, and constructing a knowledge graph; according to the knowledge graph, dynamically adjusting the character size, the two-dimensional code position and the error-tolerant rate by adopting a generative adversarial network technology according to the optical cable type and the pasting scene, and generating optical cable intelligent labels adaptive to different scenes; collecting a label image, and converting the label image into structured label identification data including an optical cable type, a connection relation and a transmission signal type by adopting a computer vision technology; the identification data and the knowledge graph are compared, consistency is checked, potential abnormity is analyzed, influences are evaluated, and graded early warning is generated; a micro-service architecture system is constructed, data analysis, AI generation, an intelligent recognition engine and knowledge graph service are integrated, and full-life-cycle management is achieved. The intelligent level of full-life-cycle management of the optical cable label is improved.

In some embodiments, a system for producing fluid from a well can include an electrical submersible pump (ESP) disposed in a wellbore of the well and configured to pump the fluid. The system may further include a distributed acoustic sensing (DAS) system, for example having an interrogator unit and a fiber optic cable extending downhole in the wellbore. An end of the fiber optic cable can be disposed downhole relative to the ESP. In embodiments, the system may further include a controller configured to receive data from the DAS system, process the data to detect a slug, determine a parameter of the detected slug, and alter operation of the ESP in response to determining that the parameter exceeds a threshold.

The invention provides a hollow-core optical fiber cable fiber breakage detection method based on a reference optical fiber and an optical cable, and belongs to the technical field of optical fiber communication. The method comprises the following steps: acquiring monitoring data of a reference optical fiber in a hollow-core optical fiber cable, and performing quality evaluation on the data to generate a signal quality comprehensive score; when the score is higher than a preset threshold value, feature extraction and dynamic weighted fusion are carried out to generate a comprehensive feature vector; outputting a fiber breakage probability by using the fiber breakage state recognition model, calculating a fiber breakage risk value through a prediction model in combination with time sequence data, and obtaining a fiber breakage risk index through a risk fusion algorithm; and finally, matching and executing a hierarchical response strategy according to the risk index. According to the invention, multi-modal data fusion, intelligent state identification and active early warning are realized, and the reliability, precision and operation and maintenance efficiency of broken fiber detection are significantly improved.

The invention relates to the field of optical fiber cable preparation, and discloses an optical fiber cable preparation method and a pressure control device.The method comprises the steps that an optical fiber preform is prepared, and a sleeve is coaxially assembled outside the optical fiber preform; extending the optical fiber preform and the sleeve through two extension pipes; a cavity between one ends of the two extension pipes is blocked through a blocking piece; performing wire drawing treatment on the optical fiber preform, and dynamically adjusting micro-positive pressure and negative pressure in the optical fiber preform and between the optical fiber preform and the sleeve at the same time; the device has the beneficial effects that the problem of low stacking efficiency of the hollow optical fiber caused by deformation of the capillary tube is avoided by setting the micro-positive pressure in the optical fiber preform 1 and the negative pressure between the optical fiber preform 1 and the sleeve 2, the manufacturing efficiency is improved, and the product quality is improved.

Disclosed are a device and method for detecting and identifying shallow-stratum foreign objects based on distributed acoustic sensing. The device includes a vibrating sensitivity-enhanced fiber optic cable, a distributed acoustic sensing demodulator, a vibrator system, a vibration data processing unit, a velocity structure inversion unit and an AI-aided locating and identification unit. The distributed acoustic sensing demodulator transmits vibration signals to the vibration data processing unit for preprocessing to obtain waveform signals; the velocity structure inversion unit performs inversion to obtain the shallow-stratum underground velocity structure; positions of shallow-stratum foreign objects are identified through the underground velocity structure and abnormal waveforms; and the types of shallow-stratum foreign objects are identified. A distributed acoustic sensing method for fiber optic cables is used to obtain vibration signals, velocity imaging is performed on a shallow-stratum velocity structure, and AI is utilized to achieve locating and type identification of shallow-stratum underground foreign objects.

The present invention discloses a hollow fiber discharge splicing platform and method for an active optical fiber cable, which includes a discharge splicing platform. The discharge splicing platform includes a splicing unit, a wind shield and an optical fiber fixture. The optical fiber fixture includes a bottom plate and a cover plate. A first optical fiber positioning groove and a second optical fiber positioning groove are arranged on the bottom plate. The first optical fiber positioning groove and the second optical fiber positioning groove are coaxially arranged. An image processing system and a pressing foot are arranged inside the wind shield. The present invention can complete the positioning of the optical fiber without loading the hollow optical fiber by means of two support points plus a limiting point, effectively improving the discharge splicing efficiency of the hollow anti-resonant optical fiber.

In some embodiments, a fiber optic cable may be monitored while reducing false positives from disturbances in trusted areas. In some embodiments, a system includes a light source, a first remote termination unit in a trusted area, and a second remote termination unit in another trusted area. The light source emits light through the fiber optic cable, which passes through the first remote termination unit, an untrusted area, and then the second remote termination unit. The remote termination units reflect portions of the light back towards the light source. The system uses a prediction model to detect disturbances in the untrusted area based on the reflected light data.

The present invention discloses an integrated bronchoscope, comprising a handle, characterized in that a display connector is fixedly installed with a thread on the top of the handle, a display is fixedly installed at the end of the display connector, the display is electrically connected to a fiber optic cable bundle, the end of the fiber optic cable bundle is electrically connected to the bronchoscope, one side of the handle is connected to a three-way device through a connecting pipe, the bottom of the handle is fixedly connected to a guide tube, the bottom of the guide tube is connected to a suction tube, a negative pressure chamber is provided inside the handle, a negative pressure pump and a rechargeable battery are fixedly installed inside the negative pressure chamber, the negative pressure pump is electrically connected to the rechargeable battery, the output end of the negative pressure pump extends out of the interior of the handle and is connected to the exhaust hole on the side wall of the handle, and the input end of the negative pressure pump extends out of the interior of the negative pressure chamber and opens vertically upward.

The utility model relates to the technical field of communication equipment, in particular to an optical fiber fusion splicing module box which comprises a box body with an opening in the upper portion, a box cover detachably connected to the upper end of the box body to cover the opening, an adapter installed at the front end of the box body, an anti-disengaging end shell clamped at the front end of the box body and arranged on the adapter in a sleeving mode and a fusion splicing clamping base. The welding clamping seat can be connected to the inner wall of the box body in a turnover mode and is provided with a plurality of wire grooves for clamping and embedding cables. The welding clamping seat of the optical fiber welding module box can be connected to the inner wall of the box body in a turnover mode, the welding clamping seat can be turned over to be in a vertical state in the wiring process, occupied space is reduced, a worker can conveniently insert a wiring terminal of an optical fiber cable into a wiring port of an adapter, the flexibility and efficiency of optical fiber harness construction are improved, and the construction cost is reduced. After wiring is completed, the welding clamping seat is folded to be in a horizontal state, and the protective sleeve fixedly sleeved at the welding position of the cable is clamped in the wire groove.

Systems, methods, and structures for efficiently identifying individual fibers located in a deployed cable that advantageously reduces laborious field efforts while reducing service outage time. The systems and methods locate a targeted fiber in a cable (“Cable ID”) and then identify the targeted fiber (“Fiber ID”) by detecting DFOS signal attentions—without cutting the optical fiber. Two distinct determinations may be made namely, Cable ID and Fiber ID. DFOS operation detects vibration signals occurring along a sensor fiber. As implemented, Cable ID is an interactive-machine learning-based algorithm that automatically locates cable position along a sensor fiber route. Fiber ID detects a signal attenuation by bending a group of fibers with bifurcation to pinpoint a targeted individual fiber within a fiber cable.

The invention discloses a stainless steel welded pipe weld joint laser cleaning machine which comprises a supporting table composed of a base, a first supporting table and a second supporting table and further comprises a material frame composed of a rotating shaft, a first material disc and a second material disc. The laser cleaning machine is composed of a sliding base, a laser cleaning head, a welding seam scanning camera, a hard wire pipe, an optical fiber cable drag chain and a laser cleaning machine cabinet, the material frame is rotationally installed on the supporting table, and a synchronous belt electric guide rail used for adjusting the position of the laser cleaning head is fixedly installed on the supporting table; according to the stainless steel welded steel pipe laser cleaning device, welded steel pipes only need to be orderly placed in the corresponding material grooves in the first material disc and the second material disc, then the welding seam scanning camera is driven by the synchronous belt electric guide rail to conduct scanning positioning on welding seams, and the laser cleaning head corresponds to the welding seams on the stainless steel welded steel pipes; and finally, the stainless steel welded steel pipe is driven to rotate through the first rotating mechanism and the second rotating mechanism, and 360-degree laser cleaning can be automatically conducted on the welding seam of the stainless steel welded steel pipe.

A rack or cabinet system, including: a cabinet adapted to receive a circuit pack; a trough assembly movably coupled to the cabinet, where the trough assembly is adapted to receive a plurality of client fibers from a faceplate of the circuit pack; and a hinge assembly coupled to the cabinet and adapted to pivot the trough assembly away from / towards a front portion of the cabinet and the circuit pack. The trough assembly and the hinge assembly are collectively adapted to pivot the trough assembly away from the front portion of the cabinet and the circuit pack to move the plurality of client fibers such that a plurality of fabric cables coupled to front-side portions of the circuit pack behind the plurality of client fibers can be accessed by a user.

Disclosed are systems and methods that employ distributed fiber optic sensing (DFOS) / distributed acoustic sensing (DAS) to monitor and provide real-time estimation of ice thickness on fiber optic communications facilities, and which integrate DSA data with a hybrid processing technique that combines frequency domain decomposition (FDD) and stochastic subspace identification (SSI). Aspects of our innovative systems and methods include: i) Hybrid Signal Processing Techniques; ii) Real-time, Continuous Ice Monitoring; iii) Enhanced Noise Robustness and Non-linear Dynamics Handling; and iv) Adaptability and Scalability.

The embodiment of the invention provides a hollow-core anti-resonance optical fiber, a preparation method thereof and an optical fiber cable. The hollow-core anti-resonance optical fiber comprises an outer tube; the capillary tubes are arranged on the inner wall of the outer tube at equal intervals in the extending direction of the outer tube; the air fiber core is surrounded by the plurality of capillary tubes; wherein the outer tube and the capillary tube are made of 27As < 2 > Te < 2 >-39GeSe < 2 >-34As < 2 > Se < 3 > glass. By applying the hollow-core anti-resonance optical fiber provided by the invention, low-loss transmission facing a wave band of 12-30 [mu] m can be realized.

A system includes a substrate on which a data processor and a connector block are mounted. The connector block has a first array of electrical connectors on a first surface, and a second array of electrical conducts on a second surface that is oriented at an angle between 45° to 135° relative to a main surface of the substrate. At least a portion of the first array of electrical connectors are electrically coupled to the data processor, and the second array of electrical contacts are electrically connected to the electrical contacts of a pluggable module. The pluggable module includes an optical module, at least one first optical connector, a first fiber optic cable optically coupled between the optical module and the first optical connector, and a fiber guide positioned between the optical module and the first optical connector and provides mechanical support for the optical module and the first optical connector.

The utility model relates to the technical field of optical fiber distribution, and discloses an optical fiber distribution frame, which comprises a main body assembly and a supporting transverse plate, the wire clamp assembly is arranged on one side of the supporting transverse plate and comprises a clamping piece, the clamping piece is located on one side of the supporting transverse plate and comprises a fixing plate, a connecting plate, an annular block, a movable column, a rotating plate, a clamping block, a connecting block and an arc-shaped plate, the fixing plate is fixed to the supporting transverse plate, the connecting plate is arranged on one side of the fixing plate, and the annular block is arranged on the other side of the fixing plate. And the annular block is fixed on one side of the connecting plate. The beneficial effects of the utility model are that by adopting the design of the annular collecting groove, one optical fiber cable corresponds to one groove, the mutual winding and interference among the optical fiber cables are effectively avoided, the position of each cable can be fixed by pressing the button, the optical fiber is prevented from deviating, the stability and reliability of an optical fiber communication system are improved, and the service life of the optical fiber communication system is prolonged. And meanwhile, the locking state of a certain wire can be unlocked independently, so that the maintenance of the optical fiber is facilitated.

Systems and methods include an optical switch system which provides a combination of μLED arrays, PDs, imaging fiber cables, and crosspoint switch on a single chip. The system includes one or more input ports with each input port configured to connect to an input fiber bundle. The system additionally includes one or more output ports with each output port configured to connect to an output fiber cable, wherein each of the input fiber bundle and the output fiber cable include a plurality of fiber cores. An electrical crosspoint switch is connected to the one or more input ports and the one or more output ports, wherein the electrical crosspoint switch is configured to connect a given input port to a corresponding output port, including all signals in the input fiber cable to the corresponding output fiber cable.

The utility model belongs to the technical field of optical fiber processing and fixing, and particularly relates to an optical fiber cable fixing frame which comprises a base, a fixing mechanism is arranged at the top end of the base, the fixing mechanism comprises a fixing ring, an annular cavity is formed in the fixing ring, a plurality of groups of sliding holes are formed in the inner wall of the circumferential surface of the annular cavity in an annular array mode, and the sliding holes are communicated with the fixing ring. A movable rod is arranged in the sliding hole in a sliding mode, and an arc-shaped fixing block is fixedly arranged at one end of the movable rod. A rack is fixedly arranged on one side of the movable rod, the output end of the servo motor is fixedly connected to the end, penetrating out of the fixing ring, of a rotating rod through a coupler, a gear is fixedly arranged at one end of the rotating rod, and a gear ring is rotationally arranged on the inner wall of the outer circumferential face of the annular cavity through a bearing. And teeth of the gear are meshed with teeth of the rack and teeth of the gear ring, and through cooperation of the fixing mechanism, optical fibers with various different diameter specifications can be fixed, so that the application range and the practicability of the equipment are improved.

Disclosed is an integrated distributed fiber optic sensing (DFOS) system and method employing generative Artificial Intelligence (AI) and Large Language Models (LLM) which advantageously enhances operational efficiency and network performance. Operational components include a Live Infrastructure Query, a Live Construction Query, and a Live Anomaly Query, which, collectively provide an interactive AI / LLM-driven set of solutions fused with fiber optic sensing technologies that effortlessly identify optical fiber cable anomalies in real-time, thereby mitigating optical fiber cable damage and providing real-time reports on maintenance activities on infrastructure facilities—including communications—and services built thereupon. Advantageous features include: i) live-updated database; ii) LLM system specifically for telecommunications networks; iii) Real-time response facilitation between field operations and infrastructure; iv) Comprehensive reporting capabilities—daily, weekly, monthly, and yearly; vi) Intelligent event-based recommendations for preventing fiber damage; and vii) Proactive suggestions derived from historical data for preemptive disaster prevention.

The invention discloses an abnormal section positioning method suitable for a hollow-core optical fiber cable and a special test disc tool, and belongs to the technical field of hollow-core optical fiber cables, and the method comprises the following steps: configuring the special test disc tool and a test device; coiling the hollow-core optical fiber cable to be tested on the special test disc in a partitioned manner; performing a power return-to-zero test on the test device; connecting the testing device to the inner and outer ends of the to-be-tested hollow-core optical fiber cable, and carrying out primary measurement; and judging whether the result is abnormal or not, removing the hollow-core optical fiber cable in a partition cutting mode after the result is abnormal, connecting the remaining optical cable into the test device for re-measurement, and gradually switching the inner end and the outer end of the test optical cable in the partition cutting mode until the abnormal section of the optical cable is positioned. According to the method provided by the invention, the problem that the abnormal section positioning requirement of the optical cable cannot be met by a conventional winding method can be effectively solved, repeated rewinding of the hollow-core optical fiber cable is avoided, and the efficiency and precision of positioning the abnormal section of the hollow-core optical fiber cable are improved.

A female hardened fiber optic connector for terminating an end of a fiber optic cable that is suitable for making an optical connection with another hardened cable assembly and cable assemblies using the same are disclosed. The female hardened fiber optic connector includes a connector assembly, a crimp body, a connector sleeve, and female coupling housing. The connector sleeve has one or more orientation features that cooperate with one or more orientation features inside the female coupling housing. The crimp body has a first shell and a second shell for securing the connector assembly at a front end of the shells and a cable attachment region rearward of the front end for securing a cable.

A cable has a first end and a second end with the length of the cable being defined therebetween. The cable includes an outer jacket of plurality of internal lines disposed within the outer jacket and a plurality of labels. A plurality of labels are secured at predetermined intervals along the length of the cable. Each label of the plurality of labels includes an electronic tag. Each electronic tag includes information relevant to the cable and is configured to be read by a scanner external to the cable.

Systems and methods are provided for dynamically optimizing on demand coverage at one or more coverage locations. The system includes a plurality of coverage locations, a centralized location comprising a plurality of basebands and at least one controller, a plurality of fiber cables that extend from the centralized location to the coverage locations, and one or more processors. The one or more processors are configured to receive data that identifies the number of users needing coverage at a first coverage location during a first event. Based on determining whether the number of users needing coverage at the first coverage location of the plurality of coverage locations exceeds a predetermined capacity threshold for the first coverage location for the first event is determined, the system assigns at least one additional baseband to provide additional coverage to the first location.

The invention provides an overflow monitoring system. The overflow monitoring system comprises a sleeve, an optical fiber cable, a monitoring device short section and a monitoring terminal, the monitoring device short section is arranged on the sleeve; the first end of the optical fiber cable is connected with the monitoring device in a short-circuit mode, the optical fiber cable is arranged on the outer side surface of the sleeve and extends to the second end of the sleeve in the axial direction of the sleeve, and the second end of the optical fiber cable is electrically connected with the monitoring terminal. By utilizing the support of the sleeve, the signal noise caused by the vibration of the device can be effectively reduced, so that the short section of the monitoring device can go deep into the stratum for monitoring, the optical cable can be supported, the real-time communication between the monitoring terminal on the earth surface and the monitoring device can be realized, and the real-time monitoring on overflow can be realized; therefore, the overflow monitoring is more stable and reliable.

A reducing fibre optic cable tube connector with a plastic body having a connector at either end for connection to a respective tube. The body has a wide portion terminating at a wide end and a narrow portion terminating at a narrow end to receive tubes of a different diameters. The two portions meet at a central region of the body. Each portion includes an annular inner sleeve extending from the central region and spaced from an inner wall of the outer body to define an air gap. At the central region the annular sleeves extend toward one another so the first and second air gaps are axially spaced by less than 1 mm.

The invention relates to the technical field of optical fibers and cables, and particularly discloses an intermittent framework easy-to-pull-out optical cable which comprises a framework, an optical unit, an outer sheath and a color strip. The framework is composed of feeder lines, non-metal reinforcing cores, edges and a framework sheath. The framework axially extends outwards in the radial direction to form a plurality of ridges which are intermittently distributed in the longitudinal axial direction of the framework; a plurality of strands of optical units are arranged and are uniformly distributed in the space at the periphery of the framework; the skeleton and the optical unit are wrapped by an outer sheath. The outer wall of the outer sheath is provided with a plurality of groups of color strips with different colors, and the color strips are used for positioning the light unit. The intermittent framework optical cable easy to draw out and connect is excellent in comprehensive performance, and compared with a traditional framework structure, the unique intermittent framework structure has the advantages that the optical units are distributed in the optical cable in a curve mode, and the tensile capacity of the optical cable can be effectively improved; the optical units and the reinforcing members are separated one by one and do not interfere with each other, so that the optical units and the reinforcing members can be used in a longer distance. When the optical cable is damaged and has a breakpoint, the feeder line is used to position the breakpoint, which is more convenient and efficient.

A multicore fiber cable fanout device configured to connect a multicore fiber (MCF) cable comprising M MCFs having N cores with M×N single core fiber (SCP) pigtails is provided. The fanout device can include a housing enclosure and M MCF-to-SCF fanouts within the housing enclosure. The M×N SCF pigtails can be grouped in M×N / K SCF groups containing K SCF pigtails.

The invention discloses an optical fiber type tip timing sensor based on an APD array imaging method. The optical fiber type tip timing sensor comprises N transmitting end couplers, a transmitting optical fiber, a transmitting optical fiber bundle cable, a receiving and transmitting end beam combiner, a receiving and transmitting optical fiber cable, a probe, a receiving optical fiber bundle cable, a beam combiner, a receiving optical fiber and N receiving end couplers. N > = 5; the N transmitting end couplers are respectively connected into the laser transmitters with different wavelengths, and are respectively connected with the beam combiner at the transmitting end through N transmitting optical fibers; the N receiving end couplers are respectively connected with the beam combiner of the receiving end through N receiving optical fibers; the beam combiner of the transmitting end and the beam combiner of the receiving end are respectively connected with the input end of the beam combiner of the receiving and transmitting end through a transmitting optical fiber bundle cable and a receiving optical fiber bundle cable; the output end of the transceiving end beam combiner is connected with a probe through a transceiving optical fiber cable; and a to-be-detected blade is arranged in front of the probe.