H01Q1/526

ANTENNA DEVICE AND ELECTRONIC APPARATUS
20230098392 · 2023-03-30 ·

An antenna device includes a circuit substrate, first and second radiators each including an open end, and a coupler to electromagnetically couple the first and second radiators, the antenna device being provided in a housing of an electronic apparatus. Shield cases each including a planar conductor portion parallel or substantially parallel to a first main surface are mounted on the circuit substrate, the first radiator, the second radiator, and the shield cases are located on a side of the first main surface of the circuit substrate, and the first radiator includes a portion overlapping a first region between the multiple shield cases in plan view of the circuit substrate.

System and method for electromagnetic interference mitigation for an antenna element and speaker co-located within a cavity formed behind a speaker grill

An information handling system to wirelessly transmit and receive data may include a base chassis including a metal C-cover and metal D-cover to house a processor, a memory, and a wireless adapter, the metal C-cover to house a speaker grill, the speaker grill covering a speaker to emit audio waves; the speaker grill formed within the C-cover to emit a target radio frequency (RF) including a slot formed around a portion of the speaker grill forming a peninsula on the speaker grill that is physically separated from the C-cover; an antenna element placed behind the speaker grill and operatively coupled to the wireless adapter; an electromagnetic interference (EMI) shield forming a cavity enclosing the speaker and the antenna element, including a plurality of metallic shielding walls extending from the C-cover to a D-cover of the information handling system; and a conductive rubber gasket placed between the plurality of conductive walls and the D-cover to shield the cavity from EMI sources.

ANTENNA UNIT, ANTENNA MODULE AND BASE STATION HAVING THE SAME
20230035473 · 2023-02-02 ·

An antenna unit for a base station is disclosed, comprising: a non-metal structural base; a metal pattern formed on a first side of the base and comprising a feeding network and radiator elements; and a metal layer formed on a second side opposite to the first side of the base and serving as a reflector. The metal layer is configured as an EMC cover for blocking or suppressing electromagnetic interference between the antenna unit and a radio unit electrically coupled to the antenna unit. An antenna module and a base station comprising the above-mentioned antenna unit are also disclosed.

Radio frequency device and display device including the same

The present disclosure provides a display device. The display device includes a display panel, an active area, a peripheral area, an input sensor, and a pattern layer. The active area and the peripheral area are adjacent to the active area. The input sensor is disposed on the display panel and includes a plurality of detection electrodes and a first pattern. The pattern layer is disposed on the input sensor and includes a second pattern overlapping the first pattern when viewed on a plane. Any one of the first and second patterns transmits and receives a signal. The other pattern of the first and second patterns includes a shielding component that shields or reflects a signal provided from any one pattern. A transmission component transmits the signal.

Antenna system with integrated electromagnetic interference shielded heat sink

An antenna system with integrated electromagnetic interference (EMI) shielded heat sink is disclosed. The system includes an antenna circuit board with a plurality of antenna or radiating elements formed on a common plane comprising a first surface. Circuit elements are placed on a second surface of the antenna circuit board. In addition, the second surface of the antenna circuits board is connected to a pocketed EMI shielding cover with individual shield pockets serving as an EMI shield and a heat sink containing a cooling fluid. At least some adjacent pockets can be in fluid communication with one another.

ANTENNA DEVICE
20230087435 · 2023-03-23 · ·

The present invention relates to an antenna device, and especially, comprises: a printed board assembly (PBA hereinafter) which has a plurality of antenna-related components mounted to one surface, and has a plurality of filters mounted to the other surface; and an antenna board which is stacked and disposed on the one surface side of the PBA, has a plurality of antenna elements mounted to one surface, and is connected to the filters tightly adhering to the other surface, so as to establish an electrical signal line with the filters, wherein the filters are spaced apart from the other surface of the PBA and have clamshell parts integrally formed so as to prevent a signal leakage from the electrical signal line, and thus an advantage is provided of enabling the improvement of the overall heat dissipation performance and filter performance of the filters.

ANTENNA DEVICE
20230085969 · 2023-03-23 · ·

The present invention relates to an antenna device and, particularly, the antenna device comprises: a printed board assembly (hereinafter, referred to as “PBA”) having a plurality of antenna-related components mounted on one surface thereof, and having a plurality of filters mounted on the other surface thereof, an antenna board which is arranged to be stacked on one surface side of the PBA, and which has a plurality of antenna elements mounted on one surface thereof and connected to construct electrical signal lines with the filters in close contact with the other surface thereof, and clamshell units interposed between the other surface of the PBA and one surface of the filters to perform a signal shielding function, wherein the insides of the clamshell units include strip line connectors which absorb the assembly tolerance between the clamshell units while being partially deformed by means of the adhesion of the filters during close-coupling of the filters, and which shield a signal by means of ground surfaces arranged around the strip line connector while constructing the electrical signal lines, and thus the manufacturing cost of the filters is reduced and impedance properties are prevented from being easily disrupted.

ANTI-THEFT AND TRACKING TAG AND METHODS OF MANUFACTURING SAME
20230087368 · 2023-03-23 ·

A dual security tag including an RFID component and an electronic article surveillance (EAS) component, respectively disposed on opposite sides of a PET carrier substrate, is provided. The RFID component may include one or more ultra-high frequency antennae, such as a near field loop antenna and a far field dipole antenna, and an integrated circuit (IC) chip. The EAS component may be provided as an RF device, an acoustic-magnetic (AM) device, a low power Bluetooth (BLE) device, or other suitable device. The security tag may also include a facesheet affixed to the RFID component, a release liner layer affixed to the EAS device, and one or more intermediary films or protective layers. A method for manufacturing a dual security tag is also described.

INTERACTIVE WHITE BOARD

An interactive white board includes a display screen, a metal backboard, an antenna assembly, and a mainboard, wherein the metal backboard is located behind the display screen, and is provided with through holes, the antenna assembly is disposed on a surface of the metal backboard facing away from the display screen, and is located in a display region of the display screen, the antenna assembly is disposed directly opposite to the through holes, the mainboard is provided on the surface of the metal backboard facing away from the display screen, and the antenna assembly is electrically connected with the mainboard.

Method and Apparatus for Protecting Components from Electromagnetic Energy
20230092263 · 2023-03-23 ·

In an embodiment, a radar or other system emitting electromagnetic energy is disposed with an optical system or other imaging system in a common housing. A shielding device or shroud protects the optical or other imaging system from the electromagnetic energy emitted from the radar system. The shielding device captures and dissipates electromagnetic signals reflected from a radome in accordance with structural geometry of the shielding device that may be covered with a radiation-absorbent material (RAM) or coating. The shielding device geometry includes angular faces configured to dissipate the electromagnetic signals.