10results about How to "Improve antenna efficiency" patented technology

The embodiment of the invention provides a camera decorating part, a shell assembly and electronic equipment, the camera decorating part comprises a decorating part body, the decorating part body comprises a plurality of mutually independent decorating units, a first gap is formed between every two decorating units, every two decorating units are completely separated by the first gap, and the decorating units are arranged in the first gap; at least one decoration unit is provided with a feed point, and the decoration unit provided with the feed point is used for forming an antenna radiator of the electronic equipment. According to the camera decorating part, the shell assembly and the electronic equipment provided by the embodiment of the invention, the problems of limited antenna layout space and high antenna design difficulty in electronic equipment in related technologies can be solved or relieved.

This disclosure relates to an antenna assembly and a terminal device. The antenna assembly includes: a first radiating arm to a third radiating arm and a first matching circuit. A first gap is provided between the first radiating arm and the second radiating arm, and a second gap is provided between the second radiating arm and the third radiating arm. A first terminal of the first matching circuit is connected to the end of the second radiating arm near the first gap, and a second terminal of the first matching circuit is grounded. The first matching circuit has a first state and a second state. When the first radiating arm transmits and receives signals in various low-frequency bands, the first matching circuit is in the first state, so that the second radiating arm has the effect of loading the physical length of the low-frequency signal path, thereby improving the performance and efficiency of the low-frequency band antenna. When the third radiating arm transmits and receives signals in various mid-to-high-frequency bands, the first matching circuit is in the second state, so that the second radiating arm excites a parasitic current mode at the high-frequency signal position, thereby widening the bandwidth of the high-frequency signal and improving the efficiency of the mid-to-high-frequency antenna.

The present specification provides a satellite communication antenna and electronic equipment, the antenna comprises a first radiation branch and a parasitic unit, the parasitic unit is a ring branch, and at least part of the branch is close to the first radiation branch and is coupled, and the parasitic unit is connected to the ground through at least one ground point.The satellite communication antenna of the embodiment of the present specification forms circular polarization by using the coupling effect of the parasitic unit, greatly improves the antenna gain compared with linear polarization satellite antenna, and improves the actual experience of satellite communication.And the radiation direction of the satellite communication antenna is mainly towards the zenith region, so that the antenna efficiency is higher, the satellite searching and communication efficiency in the state of user handheld mobile phone is improved, and the user experience is improved.

The utility model discloses a kind of multi-channel vehicle-mounted antenna boxes, including the shell of by lower shell and upper shell, still including antenna group being set in the shell;The antenna group includes GNSS antenna, at least two groups of wireless antenna, V2X antenna, BT antenna, two groups of the wireless antenna are respectively arranged in the two sides of the GNSS antenna, two groups of the wireless antenna are symmetrically arranged along GNSS antenna, the V2X antenna is arranged on one group of wireless antenna, and the BT antenna is arranged on another group of wireless antenna;The wireless antenna includes bottom substrate and upper substrate being set on the bottom substrate, the upper substrate is vertically arranged with the bottom substrate, wifi6E antenna is attached on the bottom substrate, 4G antenna is attached on the upper substrate.The overall structure of this antenna box is reasonably designed;Compact structure is installed in car central control position, spoiler and front and rear cross beam etc., with economy, convenient, beautiful, receiving signal strong features.

The utility model relates to a middle frame assembly and electronic equipment, the middle frame assembly comprises a middle frame, a first matching circuit and a second matching circuit, the middle frame comprises a supporting part and a frame surrounding the supporting part, the frame comprises a top frame, a breaking joint is arranged on the top frame, the top frame located on one side of the breaking joint forms a first antenna radiator, and the second antenna radiator is located on the other side of the breaking joint. A first feeding point, a second feeding point and a first grounding point are arranged on the first antenna radiator at intervals; the first end of the first matching circuit is connected with the first radio frequency end, the second end of the first matching circuit is connected with the first feeding point, and the first matching circuit is used for enabling the first antenna radiator to at least radiate a radiation signal of a first frequency band; the first end of the second matching circuit is connected with the second radio frequency end, the second end of the second matching circuit is connected with the second feeding point, the second matching circuit is used for enabling the first antenna radiator to at least radiate radiation signals of a second frequency band, and the second frequency band is different from the first frequency band. Therefore, the stability of the antenna performance is improved.

The application discloses a foldable electronic device, and belongs to the technical field of communication. The antenna structure of the foldable electronic device comprises a first antenna, a second antenna, a first feed source, a second feed source and a first matching circuit. The first antenna is arranged on the frame of the main screen of the foldable screen, the second antenna is arranged on the frame of the auxiliary screen of the foldable screen, the first antenna and the second antenna are connected with a hinge, and the hinge is arranged between the main screen and the auxiliary screen. The first feed source is connected with a second position of the first antenna away from the second antenna, one end of the first matching circuit is connected with the second position, and the other end is grounded. The second feed source is connected with the second antenna. One tuning branch in the first matching circuit is used for tuning the resonant frequency range of the first antenna, so that the currents generated by the first antenna and the second antenna are in the same direction in the unfolded state. The other tuning branch is used for tuning the resonant frequency range of the first antenna, so that the currents generated by the first antenna and the second antenna are in the same direction in the folded state.

The application discloses an electronic device, and belongs to the technical field of communication. The electronic device comprises a first feed source, a first conductive part and a first radiator with a first branch and a second branch; the first branch and the second branch are connected integrally, the second branch extends along a first direction, and the main body of the first branch extends in a second direction after being bent; the first end of the first branch and the second end of the first branch are grounded respectively, and the first end of the first branch faces the second branch; the first feed source is electrically connected with the first part of the first branch through the first conductive part; or the first feed source is electrically coupled with the first segment of the first branch through the first conductive part; the electrical length of the first branch is 1 / 2 times of a first wavelength, the electrical length of the second branch is 1 / 4 times of a second wavelength, the first wavelength is a wavelength corresponding to a satellite communication frequency band, the second wavelength is a wavelength corresponding to a first frequency band, and the first frequency band is a sub-frequency band with a higher frequency in the satellite communication frequency band or the first frequency band is slightly higher than the satellite communication frequency band.

The embodiment of the application provides a multiplex card holder and a mobile terminal, the multiplex card holder is used for being installed in a card slot of the mobile terminal, and the multiplex card holder comprises a card holder body, an antenna, a feeding point and a feeding point, at least one SIM card insertion cavity is arranged on the card holder body, the antenna is at least formed on one side end surface of the card holder body along a thickness direction, the antenna is arranged along an outer periphery of the SIM card insertion cavity, the feeding point and the feeding point are arranged on an outer side wall of the card holder body, the feeding point is electrically connected with a radiation end of the antenna, and the feeding point is electrically connected with a grounding point of the antenna, wherein the feeding point and the feeding point are configured to be electrically connected with corresponding contact points of the mobile terminal, by arranging the antenna on the card holder body, the antenna setting position limit can be reduced, the antenna performance is improved, and the anti-interference capability is enhanced.

The invention discloses an electronic device which comprises a frame body, a first radiator and a second radiator are arranged on the frame body, a first breaking joint is arranged between the first radiator and the second radiator, and a second breaking joint is arranged at one end, away from the first radiator, of the second radiator. The first breaking joint and the second breaking joint are both arranged on the first side edge of the frame body, the length of the first side edge is larger than that of the second side edge of the frame body, and the first side edge is adjacent to the second side edge; wherein the first radiator is provided with a first ground point and a feeding point, and the feeding point is arranged between the first breaking joint and the first ground point; the second radiator is provided with a second ground point, and the current direction of the second radiator is opposite to that of the first radiator; wherein the vertical distance from one end, close to the second breaking joint, of the second radiator to the top of the frame body is smaller than a first value, and the value range of the first value is 11mm-15mm.

This application discloses an earphone, relating to the technical field of electronic devices. The earphone includes an antenna assembly and a capacitive detection assembly. The capacitive detection assembly is disposed within the radiation range of the antenna assembly and is configured to generate corresponding electrical signals based on whether the user is wearing the earphone or whether the user performs a touch action. The capacitive detection assembly includes an electrode area and a ground wire. The electrode area is used to generate electrical signals, and the ground wire is looped around the electrode area and spaced apart from it. This application improves the capacitive detection assembly, reducing its impact on the antenna assembly and improving antenna efficiency. Specifically, by using a ground wire looped around the electrode area, it suppresses signals coupled from the antenna assembly to the capacitive detection assembly, reducing the transmission of electromagnetic energy between the antenna assembly and the capacitive detection assembly, thereby achieving shielding and isolation effects and improving antenna efficiency.