An electrical connecting device includes an electrical conductor configured to transmit at least one of electrical energy and data between a first electrical component, which is arranged in a first housing that is electrically connected to a reference potential, and a second electrical component, which is arranged in a second housing that is electrically connected to the reference potential. The electrical connecting device also includes a first shielding device configured to shield the electrical conductor, wherein the first shielding device is electrically connected to the first housing, and a second shielding device configured to shield the electrical conductor, wherein the second shielding device is electrically connected to the second housing. The first shielding device is electrically isolated from the second shielding device.

Apparatus and techniques for implementing an isolation chamber, and more particularly for implementing an EMF shielded isolation chamber. In various embodiments, an isolation tank includes a shell having an upper cover and a lower tank portion having one or more sidewalls connected to a floor. The lower tank portion is configured to hold liquid and the lower tank portion and the upper cover together define an interior chamber configured to receive a user. The isolation tank further includes a conductive shield associated with at least a portion of the shell and configured to shield at least a portion of the interior chamber from external electromagnetic fields. In various additional embodiments, the isolation tank includes a shield ground for electrically grounding the shield and/or a liquid ground for electrically grounding the liquid.

A substrate, a touch screen and a touch display device to enhance the anti-interference and anti-static ability of the touch screen are disclosed. The substrate comprises a functional area and a peripheral area, wherein a first wiring and a second wiring insulating from each other are arranged in the peripheral area, the first wiring and second wiring are grounded respectively and are connected to a circuit board respectively to form a ground wire conduction loop; and the first wiring and the second wiring have a plurality of cross points. The touch screen comprises said substrate. The substrate provided in the present disclosure can be used in the touch display device.

An electronic device contactor coupling structure is disclosed. The device can include a contactor electrically connecting a conductive case of an electronic device and a circuit board inside the electronic device, the conductive case being exposed to the outside, wherein the contactor is configured with a composite element having two or more of an electric-shock preventing function of blocking leakage current of an external power source, an antistatic function, and a communication signal transmitting function; a conductive bracket and the conductive case are coupled by a conductive fastening means with the circuit board coupled to one side of the conductive bracket; the conductive case has a recess formed on the surface thereof opposite to the conductive bracket; and the contactor is coupled to the recess of the conductive case so as to be electrically connected with the circuit board by the conductive fastening means and the conductive bracket.

Provided is an electromagnetic interference mitigation apparatus including a power supply; a power cord; a power supply chassis encapsulating at least the power supply, the power supply physically isolated from the power cord; a low value resistor in electrical communication with at least the power cord and the power supply; and a capacitor disposed between the power supply chassis and an equipment chassis, wherein the equipment chassis encapsulates the power supply chassis, wherein the equipment chassis is disposed a distance from the power supply chassis, and wherein the capacitor is formed by the equipment chassis and the power supply chassis.

A shielded electrical cable includes one or more conductor sets extending along a length of the cable and being spaced apart from each other along a width of the cable. Each conductor set has one or more conductors having a size no greater than 24 AWG and each conductor set has an insertion loss of less than about 20 dB/meter over a frequency range of 0 to 20 GHz. First and second shielding films are disposed on opposite sides of the cable, the first and second films including cover portions and pinched portions arranged such that, in transverse cross section, the cover portions of the first and second films in combination substantially surround each conductor set, and the pinched portions of the first and second films in combination form pinched portions of the cable on each side of each conductor.

An electronic device and rigid-flexible substrate module includes a rigid-flexible substrate having a first region and a second region more flexible than the first region and having a first laterally extended region extending in a first lateral direction further than the first region, an integrated circuit (IC) disposed in a position lower than a position of the first region of the rigid-flexible substrate, a signal line electrically connected to the IC and extending to a lateral end of the second region of the rigid-flexible substrate, and a first heat dissipation ground layer including a first portion that overlaps the first region when viewed in a vertical direction, and a second portion different from the portion that overlaps the first laterally extended region when viewed in a vertical direction.

The invention discloses a grounding elastic component, including a elastic body and a conductive thin film. A convex block is provided on a lower surface of the elastic body, which convex block divides the lower surface of the elastic body into a first region and a second region. A conductive metal layer is provided on one side of the conductive thin film, and the other side of the conductive thin film, which is opposite to the one side the conductive metal layer is provided on, is wrapped on an upper surface, the first region of the lower surface and a side wall of the elastic body. The conductive thin film is bonded with the upper surface and the first region of the lower surface of the elastic body by a non-conductive double-sided adhesive. A double-sided adhesive tape is provided on the second region of the lower surface of the elastic body. The present invention can achieve that the resistance value does not change with the changing of compression amount, the resistance value is more stable, the bounciness force is stable and the production cost is low.

A system for controlling the activation/deactivation of an electromagnetic shielding screen of a porthole or a protective window of an optoelectronic equipment, which includes, a radiofrequency electromagnetic sensor, with a bandwidth adapted to a cut-off band of said shielding screen corresponding to a range of electromagnetic fields to be blocked, connected to a detector-rectifier with a sensitivity higher than a minimum value of the power of an electromagnetic field to be blocked by means of said shielding screen and a device for activating/deactivating said electromagnetic shielding screen, said detector-rectifier being configured, in the presence of the electromagnetic field with a power exceeding said minimum value, to activate said device for activating/deactivating the electromagnetic shielding screen by capturing the electromagnetic energy supplied by said electromagnetic fields with a power exceeding said minimum value.

An objective of the present invention is to provide a printed board being capable of suppressing EMI emissions from power supply wirings. To accomplish the objective, a printed board of the present invention includes a plurality of ground layers disposed in a printed board, a power supply layer put between the plurality of the ground layers, and through holes disposed along at least periphery of the printed board and connecting the plurality of the ground layers, wherein the through holes are disposed at intervals according to a wavelength corresponding to a maximum frequency of electromagnetic waves to be suppressed. Further, a printed board of the present invention includes a power supply layer disposed in a printed board and put between ground layers above and below the power supply layers, and a plurality of through holes connecting the ground layers above and below the power supply layers, wherein the plurality of the through holes are disposed at and near the power supply layer and are spaced apart at intervals according to a wavelength corresponding to a maximum frequency of electromagnetic waves to be suppressed.