32results about How to "Shield signal interference" patented technology

The invention provides an electric connector. The electrical connector includes a plastic body, a plurality of conductive terminals accommodated in the plastic body, and a shielding shell covering the outside of the plastic body and the conductive terminals. The conductive terminals include a ground terminal, a pair of differential signal terminals provided adjacent to the ground terminal, and a power supply terminal disposed inside the adjacent differential signal terminals. The conductive terminals further include a ground mechanism connected to the ground terminal, which is at least partially disposed between the power supply terminal and the ground terminal, as viewed in the thickness direction of the electrical connector.

A built-in gas flowmeter has the sensors for acquiring the temp compensation signal and pressure compensation signal, and the both signals are transmitted to digital display. Its advantages are good protection to its parts and effective electromagnetic fielding.

The invention embodiment relates to a signal isolator comprising the following structures: an inner core used for connecting a signal line of a STB with a signal line of a TV cable; a feedthru capacitor sleeved in an annular manner outside an insulation medium wrapping an outer surface of the inner core, and comprises a first contact surface, a second contact surface and a capacitor arranged between the first and second contact surfaces; a housing comprising a male end housing used for connecting the first contact surface with a ground wire of the STB and a female housing used for connecting the second contact surface with a ground wire of the TV cable, so DC electric signals between the ground wires of the STB and the TV cable can be isolated by the feedthru capacitor, and a first AC signal between the ground wires of the STB and the TV cable is conducted through the feedthru capacitor. The signal isolator can effectively shield signal interferences caused by potential differences between power grid ground wire and the cable TV network ground wire, thus improving user watching effect.

The invention provides a high-frequency anti-interference data cable. The high-frequency anti-interference data cable comprises a cable core and a protection layer which is wrapped on the cable core, wherein the cable core is composed of 6 to 8 threads of cable core units which are arrayed in a bundle shape and are stranded and molded; the outer layer of each thread of cable core unit is coated with an insulating anti-interference film layer which is obtained by drying and molding insulating anti-interference slurry in claim 1; the coating thickness of the insulating anti-interference film layer is 80mu m to 200mu m; an anti-interference composite layer is molded on the inner surface of the protection layer, wherein the insulating anti-interference film layer is prepared by coating the surface of each cable core unit with 80mu m to 200mu m of the slurry; the anti-interference composite layer is composed of a metal fiber textile layer, a polyvinyl chloride resin layer and a conductive high-polymer fiber layer in sequence from the protection layer to the inside; a polytetrafluoroethylene layer is further molded on the inner surface of the conductive high-polymer fiber layer. According to the high-frequency anti-interference data cable provided by the invention, the anti-interference performance of the data cable can be effectively improved; meanwhile, the transmission stability of the data cable under a high-frequency working condition can be effectively met.

The invention discloses a reinforced inert gas protecting composite cable which comprises an inert gas guiding tube. The gas guiding tube is internally provided with a cross supporting frame. Three communication cables and five power cables are arranged outside the gas guiding tube. The communication cable comprises an innermost communication conductor. According to the reinforced inert gas protecting composite cable, the cross supporting frame is added in the gas guiding tube. The cross supporting frame can effectively improve pressure resistance of the gas guiding tube for preventing collapse deformation in bearing a relatively high pressure. Furthermore the communication cables and the power cables are separately arranged. The communication cable is provided with an inner shielding layer which can effectively prevent signal interference, and the communication cable is provided with an outer shielding layer which prevents signal loss. Furthermore the inner wall of the gas guiding tube is provided with an arc-shaped chute. The end of the cross frame is provided with a corresponding arc-shaped supporting plate. Therefore the cross frame can be conveniently mounted in the gas guiding tube and further can be conveniently detached from the gas guiding tube.

The invention discloses a display module and electronic equipment, and belongs to the technical field of electronic equipment. The display module comprises an antenna circuit, a metal foil and a flexible circuit board, the antenna circuit and the metal foil are arranged on the first face and the second face, opposite to each other, of a display panel respectively, the antenna circuit is connected with the flexible circuit board, and the metal foil is fixed by the flexible circuit board. The antenna circuit and the metal foil are arranged on the two faces of the edge of the display panel respectively and connected with the flexible circuit board, so that signal interference on the antenna electrode can be effectively shielded, and the transceiving performance of the antenna is improved.

The invention discloses a top-speed charging wire and belongs to the field of charging wires. The top-speed charging wire comprises at least two top-speed transmission wires and a covering layer, wherein the covering layer covers the transmission wires. The top-speed charging wire provided by the invention has the characteristics of good insulating effect, excellent signal shielding effect and rapid transmission speed.

The invention discloses an electric connector used for being electrically connected with a chip module. The electric connector comprises a body, at least one bump, a metal layer and multiple terminals, wherein the body has multiple accommodating holes and an upper surface; the at least one bump protrudes out of the upper surface upwardly; an insulating part is positioned on the bump and used for supporting the chip module; the metal layer covers the upper surface and the periphery of the bump; the multiple terminals are accommodated in the accommodating holes and used for being connected with the chip module in a conduction manner; the metal layer covers the upper surface and the periphery of the bump; the insulating part is positioned on the bump for supporting the chip module, so that it is ensured that the metal layer can better shield crosstalk among the terminals to satisfy high-frequency signal transmission of the terminals; and meanwhile, contact between the metal layer and the chip module also can be avoided, so that short circuit of the chip module can be prevented.

The invention discloses a high-data-transmission-rate anti-signal-interference board-to-board connector, which comprises an insulating base body, a first group of signal terminals, a second group of signal terminals, an isolation body and a reinforcing frame, wherein the isolation body is arranged on the inner side of the insulating base body, the first group of signal terminals and the second group of signal terminals are positioned on two opposite sides of the isolator, the reinforcing frame comprises a first reinforcing part and a second reinforcing part, the isolation body comprises a first isolation part, a second isolation part and a first groove, a first bending arm is formed at the tail end of the first isolation part along the direction of the first group of signal terminals, andthe tail end of the first isolation part and the first reinforcing part can be connected in three connection modes, so that the internal signal interference effect of the first group of signal terminals and the second group of signal terminals is well shielded. The high-data-transmission-rate anti-signal-interference board-to-board connector has the advantages of high data transmission rate and stable signal transmission.

The invention discloses an electromagnetic shielding polaroid and a preparation method thereof. The electromagnetic shielding polaroid implements a function of shielding electromagnetic waves througha silver nanowire hardening layer coated on the surface of a TAC film on the outer layer of the Polaroid, wherein the silver nanowire hardening layer is composed of the following components by weight:10% - 30% of urethane acrylate monomer, 2% - 10% of aliphatic urethane diacrylate, 1% - 10% of pentaerythritol triacrylate, 0.5% - 5% of light Initiator 184, 2% - 10% of silver nanowire emulsion, 10%- 50% of MIBK and 10% - 50% of PMG. The above materials are uniformly mixed and then the mixture is coated on the TAC film, and then a silver nanowire hardening layer is formed on the surface of theTAC film, so that a polaroid is prepared, wherein the polaroid can be applied to a liquid crystal display of a vehicle-mounted wireless walkie-talkie to shield signal interference of external electromagnetic waves on the wireless walky-talky system; and the polaroid also has the advantages of high light transmittance, high water resistance, high heat resistance, antistatic property and the like.

The invention provides an elevator network integrated line with a power supply signal and a preparation method thereof, and relates to the technical field of signal transmission. Among them, the elevator network comprehensive line includes: core wire harness, nylon filling layer, inner sheath, aluminum foil layer, copper mesh braided layer and outer sheath, core wire bundle embedded in nylon filling layer, inner sheath wrapping nylon filling layer, aluminum foil layer wrapping Inner sheath, copper mesh braided layer wrapped with aluminum foil layer, outer sheath wrapped with copper mesh braided layer, core wire harness is made of multiple bundles of core wires, in which core wires include: conductor, PE insulation layer, PE insulation layer wrapped conductor , The conductor is made of oxygen-free copper wire and bulletproof wire. The elevator network integrated line can realize the functions of long-distance transmission, anti-interference and anti-breakage.