3results about How to "Increase antenna gain" patented technology

The utility model discloses a kind of multi-band built-in antenna of mobile terminal and mobile terminal, multi-band built-in antenna includes high frequency part, low frequency part, resonance judging part;High frequency part, resonance judging part and low frequency part integrally formed;High frequency part, low frequency part about resonance judging part structure symmetry;High frequency part includes first inverted U type antenna part, first transverse transmission part;First inverted U type antenna part and first transverse transmission part integrally formed, form half-enclosing structure;Low frequency part includes second inverted U type antenna part, second transverse transmission part;Second inverted U type antenna part and second transverse transmission part integrally formed, form half-enclosing structure.Implementation this application, improve antenna gain, increase antenna bandwidth, support WIFI three-frequency FPC antenna, solve the problem that the antenna bandwidth of built-in antenna of existing mobile terminal cannot satisfy the demand of three-frequency antenna high gain.

This disclosure provides a metasurface antenna element, comprising a first metal layer, a first dielectric substrate, a second metal layer, a second dielectric substrate, and a third metal layer stacked sequentially; the second metal layer has various shaped cutouts; the orthographic projections of the first dielectric substrate, the second dielectric substrate, and the second metal layer on a preset surface coincide, and their orthographic projection outlines are all first regular polygons; the orthographic projections of the first metal layer and the third metal layer on the preset surface coincide, and their orthographic projection outlines are all second regular polygons; the side length of the first regular polygon is a first preset multiple of the incident wave wavelength at the center frequency, and the side length of the second regular polygon is a second preset multiple of the incident wave wavelength at the center frequency, wherein both the first preset multiple and the second preset multiple are less than 1. This disclosure also provides an antenna structure.

The present application provides a vehicle antenna, a window glass with the vehicle antenna, and an antenna system. The vehicle antenna includes a conductor plate, a radiating plate disposed opposite the conductor plate, a power supply portion located on a side of the conductor plate with respect to the radiating plate, a connecting conductor connecting the power supply portion and the radiating plate, and first and second elements disposed on both sides of the vehicle in a vehicle width direction, respectively, with respect to the radiating plate. The radiating plate is disposed at an inclination of ±15° or less with respect to a vertical plane perpendicular to a horizontal plane.