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1220 results about "Shielded cable" patented technology

A shielded cable or screened cable is an electrical cable of one or more insulated conductors enclosed by a common conductive layer. The shield may be composed of braided strands of copper (or other metal, such as aluminium), a non-braided spiral winding of copper tape, or a layer of conducting polymer. Usually this shield is covered with a jacket.

Coaxial cable connector with integral grip bushing for cables of varying thickness

A connector is provided for interconnecting a coaxial cable to an electrical device. The connector has an internal body and an external body which are assembled together, and which can be activated to clamp upon and seal to an inserted coaxial cable without disassembling the external body from the internal body. The external body includes a deformable inner collar that permits the connector to be attached and sealed to cables of varying thickness as are found on common single foil and braid cable, Tri Shield cable and Quad Shield cable.
Owner:IDEAL IND INC

System and device for reducing signal interference in patient monitoring systems

A system and device for mitigating interference in patient physiological monitoring is provided, particularly in surgical environments. One or more sets of electrodes are placed on a patient's body and connected to corresponding terminals of an input extender. The terminals of the input extender are connected to a set of signal wires encased by a ferrous shielded cable. The ferrous shielded cable connects to a signal processing unit, which includes a differential amplifier and an active drive topology to drive the shield with a common mode signal. The signal processing unit connects to physiological monitoring equipment.
Owner:CADWELL INDS

Small-sized underwater observation robot

The invention relates to a mini-size underwater observing robot, which comprises an underwater robot body and an above-water control box, wherein, two sides of an electronic cabin on the underwater robot body are horizontally provided with a left propeller, a right propeller and a lamp; a middle part on the electronic cabin is vertically provided with a vertical propeller; a bracket and a manipulator are arranged together with a lower part of the electronic cabin, the interior of which is provided with a compass, a temperature gauge, a depth gauge and a control circuit board; a front part on the electronic cabin is provided with a camera with variable focus, a camera pan and tilt and a lamp; a back part on the electronic cabin is provided with a camera with fixed focus; video images are transferred to a display on the above-water control box through shielded cable; the above-water control box consists of a control panel, a control circuit, a liquid crystal display and a chassis body. The invention transfers the shapes and the movement state of observed objects under water to the above-water control box through a video sensor, so the repair personnel can analyze the images; besides, the arranged manipulator can carry out grabbing work with light weight.
Owner:INST OF OPTICS & ELECTRONICS - CHINESE ACAD OF SCI

Coal dust concentration dynamic detection system and coal dust concentration dynamic monitoring method of mine

The invention discloses an ultrasonic wave-based coal dust concentration dynamic detection system and coal dust concentration dynamic monitoring method of mine. Sixteen ultrasonic sensors are fixed on the inner wall of an inner ring in a uniform angle manner, and every ultrasonic sensor simultaneously has ultrasonic wave emitting and receiving functions; all signal wires are commonly connected to a multi-core plug on an outer ring, the multi-core plug is connected with a programmed multipath toggle switch through a shielded multi-core cable, the programmed multipath toggle switch is respectively connected with a voltage pulse generator and an ultrasonic data acquisition device through wires, the voltage pulse generator is connected with the ultrasonic data acquisition device through a wire, and the ultrasonic data acquisition device is connected with a data processing center through a wire. An existing single-emitting and single-receiving detection mode is improved to a cycle single-emitting multi-receiving CT detection mode, and an ultrasonic wave speed CT image and an absorption coefficient CT image are adopted to reflect the coal dust concentration distribution, so the detection accuracy is improved.
Owner:SHANDONG UNIV OF SCI & TECH

Coaxial cable

ActiveUS20070293086A1Great shield effectivenessSuitable for low-cost mass productionElectrically conductive connectionsCable conductor constructionShielded cableCoaxial cable
A coaxial cable (10) includes at least one conducting wire (110), at least one insulting layer (120) coating a respective conducting wire, at least one shielding layer (130) surrounding the at least one insulting layer, and a single sheath (140) wrapping the at least one shielding layer. The shielding layer includes a polymer material (134) and a plurality of carbon nanotubes (132) embedded in the polymer material. The coaxial cable is, advantageously, an electromagnetic interference (EMI) shield cable.
Owner:BEIJING FUNATE INNOVATION TECH +1

Electronic unit, shield cable connecting structure, connecting method, wires waterproof-connecting structure, and method

Terminal tools 16 are fixed to end portions of a plurality of wires 12 that are covered with a shield lacing 10, and a shield case 30 is connected / fixed to the shield lacing 10. End portions of respective wires 12 are inserted into a unit housing 40 of the electronic unit from the outside and connected to circuits in the unit housing 40, and then connected portions between respective wires 12 and a unit housing 40 are covered with the shield case 30 from the outside by fixing the shield case 30 to an outer surface of the unit housing 40. Also, the shield case 30 and the shield lacing 10 are brought into the state that they can be grounded via the unit housing 40.
Owner:AUTONETWORKS TECH LTD +2

Floating segmented shield cable assembly

Signals in an RF field, such as that of an MRI system, are communicated through an inner conductor having an outer shield with a dielectric material therebetween and an outer cable jacket. Current in the shield caused by the RF field from the transmit body coil is reduced by providing a second dielectric material around the shield conductor and a plurality of segmented shield conductor portions formed of non-magnetic braid or wrapped non-magnetic foil tape outside the second dielectric material and inside the jacket at spaced positions along the cable, with the portions being electrically separated from each other and from the shield so that the segmented shield conductor portions act to shield the outer shield conductor to reduce the generation of current thereon while the electrical separation of the segmented shield conductor portions each from the others prevents the generation of a current along the portions.
Owner:DEERFIELD IMAGING INC

Microminiature operation underwater robot of nuclear power plant

The invention relates to a microminiature operation underwater robot of a nuclear power plant, and the robot comprises an underwater robot body and an onshore control system, wherein two propellers are respectively arranged in the horizontal and vertical directions of the robot body, a depth gauge is arranged on the right side of the front part of the robot body, a manipulator is arranged at the bottom in front of the robot body, and a sonar is arranged on the top of the robot body; a control cabin is arranged in the middle rear part of the robot body; an outer cabin is sealed by a transparent glass cover, and is provided with a rearview camera and an auxiliary lighting light-emitting diode (LED) lamp; a front-view camera system is arranged at the front part of the robot body, and comprises a zooming radiation resistant camera tube, a tripod head and a lighting lamp; a video image and control signal is transmitted to the onshore control system through a shield cable; and the control system comprises a movement control rod, a manipulator control button, a keyboard, a main display screen and a speed governing knob. The microminiature operation underwater robot of the nuclear power plant is used for the monitoring and the simple foreign body fishing of a core pool, a spent fuel pool and a component pool of the nuclear power plant.
Owner:BEIHANG UNIV

High density shielded electrical cable and other shielded cables, systems, and methods

A shielded electrical ribbon cable (2) includes conductor sets (4) each including one or more insulated conductors (6), and a first and second shielding film (8) on opposite sides of the cable. In transverse cross section, cover portions (7) of the shielding films (8) substantially surround each conductor set (4), and pinched portions (9) of the films (8) form pinched portions of the cable on each side of each conductor set (4). Dense packing is achieved while maintaining high frequency electrical isolation between conductor sets (4). When the cable (2) is laid flat, a quantity s / Dmin is in a range from 1.7 to 2, where S is a center-to-center spacing between nearest insulated conductors (6) of two adjacent conductor sets (4), and Dmin is the lesser of the outer dimensions of such nearest insulated conductors (6). Alternatively, a first and second conductor set each having only one pair of insulated conductors can satisfy a condition that Σ / σ1 is in a range from 2.5 to 3. Other shielded cables, systems, and methods, which may or may not utilize the dense packing, are also disclosed.
Owner:3M INNOVATIVE PROPERTIES CO

Impulse characteristic simulation test device and method of grounding device

The invention provides an impact characteristic simulation test apparatus of an earthing device and a method thereof, and belongs to the simulation test field of the earthing device. The impact characteristic simulation test apparatus comprises an impact current generator, a semispherical test bath, a simulation earthing device, a core penetration type current sensor, an impact voltage divider, a wideband digital oscilloscope, a coaxial shielding cable and the like. According to the method, by employing the apparatus in the invention, an impact simulation test of the earthing device is carried out. According to the invention, a soil discharge process that a real lightning current goes through the earthing device and flows to surrounding soil is simulated accurately, and an impact earthing impedance of the earthing device and an impact flow rule of the earthing device are measured. The apparatus has the characteristics of high reliability, good security, low test cost and the like. The apparatus and the method can be widely applied to measurement of the impact impedance and the impact flow rule of the earthing device under an effect of a heavy impact current, and are especially suitable for measurement of the impact impedance and the impact flow rule of the earthing device under an effect of a lightning current.
Owner:CHONGQING UNIV

Connector assembly and assembly method

A connector assembly that is mountable on a circuit board includes a casing having a metallic housing. The housing has at least one receptacle where a connecting element is mounted. A shielded cable connects between the connecting element and an interconnect that is attached to the casing. The interconnect has a plurality of contact elements adapted to contact the circuit board. The metallic housing can be fitted with any one of variously colored insulating shells either during manufacture or in the field. The shell can later be slidably removed and replaced, even after the housing was attached to a circuit board. The casings can have dovetail slots that mate with dovetail ridges on an insert used to attach the casings together.
Owner:WINCHESTER ELECTRONICS

Shielded cable end connector assembly

A cable end connector assembly (1) includes an insulative housing (2), a number of contacts (3) assembled to the insulative housing in a back-to-front direction, a shielding member (5) assembled to the insulative housing, a cable (6) including a number of signal conductors (62) and drain wires (64) respectively soldered with the contacts, and an insulative cover (7) over-molding rear portions of the insulative housing and the shielding member and a front end of the cable. The housing includes an upper wall (21), a lower wall (22) and a pair of sidewalls (23) connecting with the upper and the lower walls. The shielding member includes a first and a second shielding halves (51, 52) respectively attached to the upper wall and the lower wall of the insulative housing.
Owner:HON HAI PRECISION IND CO LTD

Connector assembly

A connector assembly includes a housing, a plurality of circuit board cable assemblies, and an overmold. Each of the circuit board cable assemblies may include a printed circuit board and a pair of shielded cables. The overmold may extend and insulate a portion of the shielded cables and a portion of the printed circuit board that includes a plurality of conductive contact pads for electrical connection to the shielded cables.
Owner:3M INNOVATIVE PROPERTIES CO

Shielded electric connector and cable assembly and method for making same

A shielded electric cable assembly comprises a shielded electric cable and a shielded electric connector that has an inner terminal, an insulator and an outer shielding terminal. The inner terminal has an attachment portion that is supported on a projecting anvil of the insulator that is disposed in an intermediate bay of the outer shielding terminal. The bay has an opening for a crimp tool that crimps the attachment portion of the inner terminal onto an exposed end of a conductive core of the shielded electric cable. The intermediate bay is closed by side wall flaps of the intermediate bay or by a closure shell. The crimp tool that may be part of the insulator.
Owner:APTIV TECH LTD

System and method for measuring time-sharing quick steady-state sine sweep excitation frequency response function

InactiveCN101561342AEasy to operateLarge excitation powerVibration testingShielded cableData acquisition
The invention relates to a system and a method for measuring time-sharing quick steady-state sine sweep excitation frequency response function, which belong to the technical field of vibration tests. An excitation system adopts a vibration exciter and a power amplifier. A force sensor and a vibration sensor are adopted to measure an exciting force signal and a vibratory response signal of the system at the same time. A charge amplifier is adopted to condition and filter the signals. A data acquisition system connects a data acquisition card with a connecting terminal through a high-performance shielded cable and is connected with a general computer to acquire and send data. The generation of a sweep signal and the data processing, analysis, storage and display of an exciter response signal are achieved by adopting software based on the general computer. The system and the method achieve quick steady-state sine sweep excitation, the complete cycle sampling of the exciter response signal, and precise and reliable frequency response function curve. The test system is guided by computer programs and is finished automatically, the test method is precise and reliable, and the system and the method have important meaning on testing the dynamic properties of structural elements.
Owner:BEIJING UNIV OF TECH

High speed shielded internal cable/connector

A high speed shielded internal cable / connector is provided. The cable assembly includes a shielded connector on either end of the cable assembly that mates with edge fingers on a motherboard or a daughter card. The one piece card edge style for the cable assembly makes it possible to eliminate the connectors on the motherboard or on the daughter card. The innovative scheme of terminating the cable connector to the system ground makes it possible to shield only the cable assembly and no shielding on the edge fingers.
Owner:INTEL CORP

Impulse response analytical test apparatus and method for detecting deformation of transformer winding

The invention relates to impulse response analytical test apparatus and method for detecting deformation of transformer winding, belonging to the technical field of transformer winding detection. The apparatus mainly comprises an impulse generator, a broadband digital oscilloscope, a computer, a high-voltage probe, a head end signal impedance matching device, a tail end signal impedance matching device and a screened coaxial cable. In the method, site test and analysis are carried out by using the apparatus. The invention has the advantages of high test sensitivity, rapid detection, strong capacity of resisting disturbance and flexible analytical method, and can detect slight deformation of the transformer winding and judge early potential faults effectively with high judging accuracy. The invention can be widely applied to the detection of the deformation of the transformer winding and the state overhauling.
Owner:CHONGQING UNIV

Tooless coaxial connector

The present invention is a tooless connector for mounting on a straight cut end of a coaxial shielded type cable. The connector can have a cylindrical housing with a first end for receiving the coaxial shielded cable and an oppositely positioned second end. A rear wall can be positioned in the interior of the cylindrical housing forming an abutment for the insertion of the coaxial cable. A terminal assembly including a ferrule assembly having at least one prong extending therefrom is positioned through the rear wall. The prong is positioned to contact a foil layer and / or a braided layer of the coaxial cable. A terminal extends through the center of the ferrule for receiving the center of the coaxial cable. A compression assembly is attached to the cylindrical housing to securely hold the coaxial cable after it has been inserted into the connector.
Owner:BELDEN INC
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