An electromagnetic shielding film and a method for making the same. The method includes: dispersing a conductive agent and a magnetic nanomaterial in sodium alginate solutions to form an electrically conductive shielding solution and a magnetic field shielding solution, respectively; applying the electrically conductive and magnetic field shielding solutions onto two opposite surfaces of a transparent substrate to form an electrically conductive shielding layer and a magnetic field shielding layer, respectively, so that an electromagnetic shielding film precursor of a sandwich structure is obtained; and placing the film precursor in a calcium chloride solution to perform a crosslinking process to cure the layers, so as to obtain an electromagnetic shielding film product after being rinsed and dried. The electric and magnetic fields shielding layers of the film can each have a uniform thickness and cooperate to provide an improved shielding effect and superior performances for the film.

The present invention provides a conductive coating material curable at low temperatures. The present invention relates to a conductive coating material containing: 100 parts by weight of an epoxy resin-containing binder component (A); 500 to 2500 parts by weight of metal particles (B); 1 to 150 parts by weight of a curing agent (C); 20 to 800 parts by weight of a solvent (D); and 0.5 to 5 parts by weight of a curing catalyst (E).

Various embodiments of a wireless connector system are described. The system has a transmitter module and a receiver module that are configured to wirelessly transmit electrical energy and/or data via near field magnetic coupling. The wireless connector system is designed to increase the amount of wirelessly transmitted electrical power over a greater separation distance. The system is configured with various sensing circuits that alert the system to the presence of the receiver module to begin transfer of electrical power as well as undesirable objects and increased temperature that could interfere with the operation of the system. The wireless connector system is a relatively small foot print that is designed to be surface mounted.

A wireless electrical energy transmission system is provided. The system comprises a wireless transmission base configured to wirelessly transmit electrical energy or data via near field magnetic coupling to a receiving antenna configured within an electronic device. The wireless electrical energy transmission system is configured with at least one transmitting antenna and a transmitting electrical circuit positioned within the transmission base. The transmission base is configured so that at least one electronic device can be wirelessly electrically charged or powered by positioning the at least one device external and adjacent to the transmission base.

A cable receiving device for a cable harness, comprising: a magnetic element for absorbing electromagnetic radiation, and a plastic molded part, wherein the plastic molded part comprises a cable guiding section for guiding a cable strand of the cable harness and a receiving section for receiving the magnetic element, and wherein the magnetic element is fastened in or on the receiving section in a form-locking manner and/or a material-fit manner.

A magnetic field sensor includes a substrate, a first channel comprising a first magnetic field sensing element supported by the substrate and configured to generate a first magnetic field signal indicative of a first magnetic field experienced by the first magnetic field sensing element, a second channel comprising a second magnetic field sensing element supported by the substrate and configured to generate a second magnetic field signal indicative of a second magnetic field experienced by the second magnetic field sensing element, and at least one shield configured to reduce a bandwidth of the first magnetic field by a first amount and to reduce a bandwidth of the second magnetic field by a second amount. The shield is able to act as a magnetic anti-aliasing filter for the magnetic field sensing elements, which can then be chopped or sampled.

Various embodiments of a wireless connector system are described. The system has a transmitter module and a receiver module that are configured to wirelessly transmit electrical energy and/or data via near field magnetic coupling. The wireless connector system is designed to increase the amount of wirelessly transmitted electrical power over a greater separation distance. The system is configured with various sensing circuits that alert the system to the presence of the receiver module to begin transfer of electrical power as well as undesirable objects and increased temperature that could interfere with the operation of the system. The wireless connector system is a relatively small foot print that is designed to be surface mounted.

There is provided a magnetic material that has an excellent electromagnetic wave absorption performance in a wide frequency range even under low temperature and high temperature environments and that ensures the absorption performance, and provided a magnetic material as a mixture of a magnetic material having positive slope of change in coercive force dependent on temperature, and a magnetic material having negative slope of change in coercive force dependent on temperature.

An electronic device including a shield structure is provided. The electronic device includes a first device including a first magnetic substance, a second device including a second magnetic substance, and a shield structure configured to shield at least part of a magnetic force generated between the first magnetic substance and the second magnetic substance, wherein the shield structure includes a shield member disposed between the first device and the second device and including a property of a magnetic substance, and a connecting member physically connected to at least part of the shield member and including a property of a nonmagnetic substance, wherein at least part of the connecting member is physically connected to a circuit board.

A magnetic film includes one or more magnetically conductive layers. Each magnetically conductive layer is cracked to form a plurality of first through-cracks defining a plurality of magnetically conductive segments. The first through-cracks extend along a first direction and form a first regular pattern along an orthogonal second direction at a first pitch P1, such that a Fourier transform of the first regular pattern has a first peak along the second direction at a first spatial frequency corresponding to the first pitch P1. The first through-cracks have an average length L1 along the first direction. L1/P1 is greater than or equal to 5.