Patent classifications
H05K9/0075
ENCLOSURES AND CORRESPONDING MAGNETIC JOINTS
Enclosures and corresponding magnetic joints. An apparatus includes an enclosure. The enclosure includes a magnetic panel joint formed by: an alignment bore disposed in one of the first end face and the second end face, an alignment dowel disposed in the other of the first end face and the second end face, a face magnet disposed in one of the first end face and the second end face, a face ferromagnetic segment disposed in the other of the first end face and the second end face, and a shield that extends from the second panel and is received in the first pocket, when the first panel and the second panel are removably secured to one another.
Magnetic block locking of an electronic device
An electronic device or electronic device assembly may comprise a first portion and a second portion, a first magnet disposed inside the first portion and rotatable about a pivot axis with respect to the first portion, and a second magnet disposed inside the second portion and rotatable about a pivot axis with respect to the second portion. The first and second magnet may be configured to rotate so that the first and second magnets magnetically engage each other when the distance between the first and second magnet is equal to or smaller than a first distance.
Wire assembly useful in applications that are in close proximity to antenna
An antenna installation having an antenna and a wire assembly. The antenna has a first end and a second end, with the antenna having a radiative distribution pattern and RF input characteristics. The wire assembly is positioned in close proximity to the antenna. The wire assembly includes a conductor and an RF insulative wrap. The conductor has a first end and a second end and at least one conductive element extending between the first end and the second end. The RF insulative wrap encircles the conductor between the first end and the second end. The RF insulative wrap includes a magnetic sheet having a magnetic metal powder within a polymer matrix. A method of preparing a wire assembly as well as the wire assembly itself are likewise disclosed.
Electromagnetic-wave-absorbing particle for GHz band and electromagnetic-wave-absorbing material including the same
Electromagnetic-wave-absorbing particles for a GHz band are represented by the following [Empirical Formula 1] and include M-type hexaferrite as a major phase:
Sr.sub.1-xR.sub.xFe.sub.y-2zM.sub.2zO.sub.a, [Empirical Formula 1] where R is one or more selected from Ba, Ca, and La, M is one or more selected from Zn, Ti, and Zr, 0<x≤0.8, 8≤y≤14, 0<z≤1.5, and a is 19.
Method of operating a wireless electrical energy transmission system
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.
ELECTRONIC DEVICE INCLUDING SHIELD MEMBER FOR SHIELDING AT LEAST PART OF MAGNETIC FORCE GENERATED BY MAGNETIC SUBSTANCE AND CONNECTION PORTION INCLUDING PROPERTY OF NONMAGNETIC SUBSTANCE CONNECTED TO SHIELD MEMBER
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.
SHIELDING MEMBER AND ELECTRONIC DEVICE INCLUDING THE SAME
An electronic device according to various embodiments disclosed in this document may include: a display panel; a recognition member disposed under the display panel and including a conductive pattern to recognize a signal from a pen input device; a first shielding member disposed under the recognition member; and a second shielding member disposed under the first shielding member and made of a material different than the first shielding member, wherein the second shielding member includes a component region corresponding to at least one electronic component disposed under the second shielding member, and wherein at least a portion of the second shielding member is removed from the component region.
Ferrite particles, resin compositions and electromagnetic wave shielding material
An object of the present invention is to provide ferrite particles having a high magnetic permeability in a frequency band of 1 MHz to 1 GHz. Another object is to provide a resin composition containing the ferrite particles and an electromagnetic wave shielding material composed of the resin composition. The ferrite particles are composed of a single crystalline body having an average particle size of 1 to 2000 nm and has a spherical particle shape, wherein the ferrite particles contain substantially no Zn, 3 to 25 wt % of Mn, and 43 to 65 wt % of Fe, and a real part μ′ of a complex magnetic permeability measured using a molding composed of the ferrite particles and a binder resin has a maximal value in a frequency band of 100 MHz to 1 GHz.
FLEXIBLE MAGNETIC FILM FABRIC
To provide an electromagnetic shielding material that has excellent shape following properties and can exhibit high electromagnetic wave shielding properties even in a deformed portion. A flexible magnetic film fabric (100) of one embodiment includes a plurality of first magnetic strips (10) extending in a first direction (11) and arranged substantially in parallel at a first pitch P1 along a second direction (12) orthogonal to the first direction (11); and a plurality of second magnetic strips (20) extending in a third direction (21) different from the first direction (11) and arranged substantially in parallel at a second pitch P2 along a fourth direction (22) orthogonal to the third direction (21). Each of the first magnetic strips (10) has a first average width W1, W1/P1 being from 0.05 to 0.98, and each of the second magnetic strips (20) has a second average width W2, W2/P2 being from 0.05 to 0.98.
Electromagnetic-wave-absorbing sheet
An electromagnetic wave absorbing sheet is provided that can adequately absorb electromagnetic waves at high frequencies in and above the millimeter wave band, can have excellent flexibility, and can easily be placed in any desired portion. The electromagnetic wave absorbing sheet includes an electromagnetic wave absorbing layer 1 containing a magnetic iron oxide 1a that magnetically resonates at frequencies in and above the millimeter wave band and a resin binder 1b. The electromagnetic wave absorbing sheet absorbs radiated electromagnetic waves by magnetic resonance of the magnetic iron oxide. The electromagnetic wave absorbing sheet has a flexibility evaluation value F (g/mm.sup.2) of more than 0 and 6 or less, which is determined by measuring an applied weight (g) that is required to bend a ribbon-like electromagnetic wave absorbing sheet in the elastic deformation region so that a distance d between the inner surfaces of the ribbon-like sheet at a position L spaced 10 mm from the bent portion of the ribbon-like sheet is 10 mm, and dividing the applied weight (g) by a cross-sectional area D (mm.sup.2) of the ribbon-like sheet.