32results about How to "Radiation performance impact" patented technology

The invention mainly belongs to the technical field of communication antennas, especially the technical field of satellite antennas, and specifically relates to a C-band receiving and transmitting integrated microstrip array antenna. The antenna comprises a plurality of receiving and transmitting shared antenna units which respectively consist of a receiving and transmitting shared drive paster and a receiving and transmitting shared parasitic paster, wherein the receiving and transmitting shared antenna units are used for achieving the integration of a C-band receiving and transmitting antenna. The microstrip array antenna also comprises a feed network, a receiving feed port, and a transmitting feed port. The receiving feed port and the transmitting feed port are respectively connected with the feed network. The feed network achieves the feeding of the receiving and transmitting shared drive pasters. The antenna is large in bandwidth, is simple in structure, is high in gain, is in port isolation degree, is excellent in cross polarization performances, can be conveniently extended to be a larger array, and has the incomparable advantages for the C-band satellite communication application.

The present application provides a housing assembly, an antenna assembly, and an electronic device. The housing assembly includes a dielectric substrate and a wave-transmitting structure. The dielectric substrate has a first transmittance to the radio frequency signal of the preset frequency band; the wave-transparent structure includes first and second wave-transparent layers coupled to each other, the first and second wave-transparent layers are stacked on the dielectric substrate at intervals, and the wave-transparent structure Covering at least a partial area of ​​the dielectric substrate; the shell assembly has a second transmittance for radio frequency signals of a preset frequency band in the area corresponding to the wave-transparent structure, and the second transmittance is greater than the first transmittance. The shell assembly provided by the present application carries the wave-transparent structure on the dielectric substrate, and through the interaction between the first wave-transparent layer and the second wave-transparent layer in the wave-transparent structure, the transmittance of radio frequency signals in the preset frequency band is improved. , when the housing assembly is applied to electronic equipment, the impact of the housing assembly on the radiation performance of the antenna module disposed inside the housing assembly can be reduced, thereby improving the communication performance of the electronic equipment.

mobile device. The mobile device includes: a metal mechanical component, a dielectric substrate, a ground plane, a parasitic radiation part, and a feeding radiation part; the metal mechanical component has a slot, and the slot has a first and a second closed end; the parasitic radiation part has a connection end and an open end , the connection end of the parasitic radiation part is coupled to the ground plane, the parasitic radiation part includes a first widened part, which is located at the bend of the parasitic radiation part, the parasitic radiation part has a vertical projection on the metal mechanical component, and the parasitic radiation part The vertical projection at least partially overlaps with the first closed end of the slot; the feed-in radiation part has a feed-in point, and the feed-in radiation part is arranged between the parasitic radiation part and the ground plane; the dielectric substrate is adjacent to the metal mechanical component, and the parasitic radiation part and The feeding radiating part is all arranged on the dielectric substrate; the parasitic radiating part, the feeding radiating part and the slot holes of the metal mechanism together form an antenna structure. The invention has the advantages of small size, wide frequency band and beautifying the appearance of mobile devices, and is suitable for various mobile communication devices.

The invention provides an antenna device, comprising a first radio frequency transceiving circuit, a first matching circuit, a second radio frequency transceiving circuit, a second matching circuit and a metal shell, wherein the metal shell is provided with a micro gap strip and a gap, the micro gap strip comprises a plurality of micro gaps, the gap intersects with the plurality of micro gaps, the micro gap strip is arranged in an edge area adjacent to the short edge of the metal shell, the first radio frequency transceiving circuit is electrically connected with the metal shell via the first matching circuit, and the second radio frequency transceiving circuit is electrically connected with the metal shell via the second matching circuit. The antenna device can ensure the overall appearance effect of a mobile terminal, realizes coverage of the whole frequency band of a main antenna and avoids adverse influence on the radiation performance of the antenna when held by hand. The invention further provides a mobile terminal.

The present application discloses a MIMO antenna and a mobile terminal. The MIMO antenna includes a main antenna and at least one diversity antenna, the at least one diversity antenna includes at least one first antenna; the first antenna includes a first wiring layer and a shielding layer that are parallel and insulated from each other; the The shielding layer is arranged corresponding to the free ends of the wires in the first wire layer, so that the incoherence between the antennas can be increased and the MIMO communication throughput can be improved.

The invention provides an electronic device. The electronic device comprises a multilayer circuit board, a main antenna portion and a metal electronic component, wherein the multilayer circuit board comprises a surface layer and a ground layer; at least a signal wire electrically connected to the metal electronic component is arranged on the multilayer circuit board; the main antenna portion is arranged on the surface layer of the multilayer circuit board and is electrically connected to the ground layer; the metal electronic component is arranged on the surface layer and is welded onto the main antenna portion; and the metal electronic component is grounded via the main antenna portion. The electronic device has the following advantage that: the main antenna portion has good radiation efficiency.

Mobile device and antenna structure. The mobile device includes a metal mechanical component, a ground plane, first and second parasitic radiation parts, a feeding radiation part and a dielectric substrate; the metal mechanical component has a slot, wherein the slot has a first and a second closed end; the first and the second The two parasitic radiating parts are both coupled to the metal mechanism and extend across the slot; the feeding radiating part has a feeding point, wherein the feeding radiating part is arranged between the first parasitic radiating part and the second parasitic radiating part; the medium The substrate is adjacent to the metal mechanical component, and the feed-in radiation part, the first parasitic radiation part and the second parasitic radiation part are arranged on the dielectric substrate; the feed-in radiation part, the first parasitic radiation part, the second parasitic radiation part and the metal mechanical component The slots together form an antenna structure; the antenna structure covers at least one first frequency band, and the length of the slots is less than 0.48 times the wavelength of the first frequency band. The invention has the advantages of small size, wide frequency band and beautifying the appearance of mobile devices, and is suitable for various mobile communication devices.

Mobile device and antenna structure. The mobile device includes a metal mechanical component, a dielectric substrate, a support element, a feeding radiation part, a ground plane, a short circuit part, a circuit element, a first and a second parasitic radiation part, and an additional radiation part; the metal mechanical component has a first and a second a slot at the closed end; the dielectric substrate has opposite first and second surfaces; the supporting element is disposed on the metal mechanical component and supports the dielectric substrate; the ground plane and the short circuit part are respectively coupled to the metal mechanical component; the circuit element is coupled to the short circuit part and the first ground point of the ground plane; the first and second parasitic radiation parts are respectively coupled to the ground plane; the additional radiation part is adjacent to or coupled to the feeding radiation part, the first and second parasitic radiation parts, the additional The radiating part is arranged on the first surface of the dielectric substrate; the feed-in radiating part, the circuit element, the first and second parasitic radiating part, the additional radiating part, and the slot holes of the metal mechanical component jointly form an antenna structure. The invention has the advantages of small size, wide frequency band, beautiful appearance and the like.

The present invention provides an antenna device. The antenna device includes a metal frame, and the metal frame includes a first end portion and a second end portion oppositely arranged; one end of the first end portion is extended to form a low-frequency radiation portion, and the other end is extended to form a A high-frequency radiation part arranged opposite to the low-frequency radiation part; the low-frequency radiation part is used to connect to a low-frequency circuit to send and receive low-frequency signals, and the high-frequency radiation part is used to connect to a high-frequency circuit to send and receive high-frequency signals; The metal frame is the frame of a mobile terminal. The invention also provides a mobile terminal.

The invention provides an antenna device comprising a first radio frequency transceiver circuit, a first matching circuit, a housing, and a frequency modulation element. The housing includes a first side and a conductive area with a micro-slit tape formed by a plurality of micro slits; the micro-slit tape is adjacent to the first side of the housing; and the opening of the micro-slit tape is arranged on the first side of the housing. The first radio frequency transceiver circuit is connected with the conductive area electrically by the first matching circuit. The frequency modulation element is connected between the conductive area and the ground. In addition, the invention also provides terminal equipment. According to the invention, the overall appearance effect of the terminal equipment can be guaranteed; and the adverse effect on the antenna performance by hand holding by a user can be reduced.