Beijing Xiaomi Mobile Software Co., Ltd.

Xiaomi Inc.

Linchuan Wang

Zonglin Xue

Xiaofeng Xiong

Yaqi Liu

Bingxiao Wang

Fan Nie

Xiaoying Guo

A terminal device may include: a housing; a first radiator disposed in the housing and configured to receive and transmit wireless signals; and a conducting layer disposed on an inner surface of a back shell of the housing and coupled with the first radiator to form a second radiator which is configured to receive and transmit the wireless signals.

Terminal device

An electronic device includes: a plurality of metal sensing members with sensing regions facing different directions; a test sensor, including a plurality of signal channels, wherein the plurality of signal channels are connected to the metal sensing members through signal wires, and the test sensor is configured to acquire a first capacitance variation when a distance between a sensing region and a user changes; and a processor connected to the test sensor, the processor being configured to adjust a radiation power of a radio frequency circuit in the electronic device according to the first capacitance variation.

Electronic device, and method and apparatus for radiation power adjustment

A human body distance detection module for an electronic device, includes: a first metal sheet; a capacitance sensor electrically connected to the first metal sheet and configured to obtain a capacitance to ground of the first metal sheet, the capacitance to ground configured to reflect a distance between a human body and the electronic device; and a second metal sheet, at least one part of the second metal sheet being disposed opposite to the first metal sheet, the second metal sheet and the first metal sheet being insulated from each other to enable mutual coupling, and at least one part of the second metal sheet being not parallel to the first metal sheet.

Human body distance detection module for electronic device, electronic device and control method thereof

A terminal housing includes: a bottom metal frame, a feed line and a communication module, wherein a plurality of through holes are formed in the bottom metal frame; each through hole is filled with a dielectric, and a feeding point and a grounding point are arranged at each side of each through hole, respectively; one end of the feed line is connected with a radio frequency port of the communication module; and another end of the feed line crosses the dielectric in each through hole to be connected with the corresponding feeding point, so as to enable the bottom metal frame and the dielectrics in the plurality of through holes to form an antenna unit.

Terminal housing and terminal

An electronic device includes a feeding point, a first switch module, a second switch module, a first connecting portion, a second connecting portion and a third connecting portion; the feeding point is connected to an end of the first sub-bezel through the first connecting portion; a first end of the first switch module is connected to the second partition through the second connecting portion, and a second end of the first switch module is grounded; a connection position between the second connecting portion and the second partitioning is adjacent to the feeding point; and a first end of the second switch module is connected to the first sub-bezel through the third connecting portion, and a second end of the second switch module is grounded.

Electronic device, method for adjusting operating frequency band of antenna of electronic device

A back cover includes: a back cover body, an antenna structure, a first hand-held part, and a second hand-held part arranged apart from the first hand-held part. The antenna structure includes a first part whose first side is separated from one end of the back cover body by a first slit, a second part separated from a second side of the first part by a second slit, and a third part for connecting the first and second parts. The first hand-held part extends to the second part from the back cover body and separated from a third side of the first part by a third slit. The second hand-held part extends to the second part from the back cover body and separated from a fourth side of the first part by a fourth slit, where the back cover body and the antenna structure are made of a metal material.

Terminal back cover and mobile terminal

A terminal casing and a terminal are provided. A bottom frame is divided into a horizontal part and two perpendicular parts by two gaps in the bottom frame of a metal frame; and a first feeder unit and a second feeder unit are arranged in a clearance area, the first feeder unit and the horizontal part of the bottom frame form a first antenna unit, and the second feeder unit and any perpendicular part form a second antenna unit orthogonal to the first antenna unit.

Terminal casing and terminal

A terminal housing and a terminal are provided. The terminal housing includes: a metal back cover, the metal back cover including an opening and the outer surface of the metal back cover being overlaid with a nonconductive material; a printed circuit board (PCB) arranged on the inner surface of the metal back cover; a plurality of antenna units arranged on the nonconductive material, each of the plurality of antenna units including: a ground portion, the ground portion passing through the nonconductive material and being connected with the outer surface of the metal back cover; and a feed portion, the feed portion being connected with a radio frequency (RF) front-end of the PCB via a shield wire, the shield wire passing through the nonconductive material and entering into the terminal housing via the opening.

An antenna for a terminal includes: a metal frame surrounding four sides of the terminal, a circuit board positioned within the metal frame and at least two radiation units arranged on the circuit board. The metal frame includes a bottom frame and a side frame defined by two breaking joints disposed on a side of the metal frame. A signal feed point is arranged on the circuit board, the signal feed point is connected with the bottom frame through a first radiation unit. At least two first grounding points are also arranged on the circuit board, the at least two first grounding points are positioned on one side of the signal feed point, the at least two first grounding points are connected with the bottom frame through a second radiation unit, and the bottom frame is configured to generate low-frequency resonance.

Antenna for terminal

A terminal having a communication function includes: a first multiband antenna; a second multiband antenna; a radio frequency transceiver including a primary carrier wave port and a secondary carrier wave port; and a switching control circuit electrically connected with the primary carrier wave port, the secondary carrier wave port, the first multiband antenna, and the second multiband antenna. The switching control circuit is configured to connect the primary carrier wave port with the first multiband antenna and connect the secondary carrier wave port with the second multiband antenna if signal quality of the first multiband antenna meets a preset quality condition, and connect the primary carrier wave port with the second multiband antenna and connect the secondary carrier wave port with the first multiband antenna if the signal quality of the first multiband antenna does not meet the preset quality condition.

Terminal having communication function

A WIFI & GPS antenna applied to a mobile terminal with a metallic body. The metallic body includes a metallic body part and a receiving zone located above the metallic body part. The WIFI & GPS antenna includes a feeding point and a ground point each disposed on the metallic body part, and a capacitive tuning component connected to a top edge of the receiving zone, and connected to the feeding point in series. The receiving zone includes a component zone and an antenna zone. The feeding point, the ground point, and the capacitive tuning component are disposed in the antenna zone. A part of the top edge of the receiving zone operates as a radiator for the WIFI & GPS antenna.

WIFI and GPS antenna

An antenna module is provided. The antenna module includes: a first antenna electrically connected to a first section of a metal frame of a mobile terminal, the first antenna comprising a first feed point and a first ground point; and a second antenna electrically connected to a second section of the metal frame of the mobile terminal, the second antenna comprising a second feed point and a second ground point, wherein a slot is formed between the second section of the metal frame and the first section of the metal frame, and the second section of the metal frame is electrically connected to aground point of the mobile terminal via a first contact point.

Antenna module and mobile terminal using the same

A communication antenna, a method for controlling a communication antenna and a terminal are provided. The communication antenna includes a first passive unit, a stimulation receiving unit, and a second passive unit. The first passive unit and the second passive unit are respectively coupled to ground. The stimulation receiving unit is electrically coupled to a radio frequency module so as to receive an electrical signal transmitted by the radio frequency module. The first passive unit includes a regulating circuit that includes a switch, a controller, and a regulating assembly. The regulating assembly includes a plurality of electronic components. The controller is configured to control the switch to connect one or more electronic components of the regulating assembly to the circuit. The connected electronic components make the communication antenna resonate in one of a plurality of frequency ranges.

Communication antenna, method for controlling the same and terminal

An antenna for use in a mobile terminal includes a first radiation unit including a feed portion for inputting energy, the feed portion being provided at one end of the first radiation unit, and at least one coupling branch. The first radiation unit and the at least one coupling branch form a coupled feeding structure between each other. A first end portion of the at least one coupling branch is connected to a metal frame of the mobile terminal. The at least one coupling branch is disposed around the first radiation unit. The at least one coupling branch and the first radiation unit are not in contact with each other. The at least one coupling branch has an opening.

Antenna for use in mobile terminal

A diversity antenna applied in a mobile terminal and a mobile terminal are provided. The mobile terminal includes a metal housing and the metal housing includes a housing body and a receiving region located over the housing body, and the receiving region is a frame structure in which a side is provided with a slit. The diversity antenna includes a feed point, a first ground point and a second ground point, and the feed point, the first ground point and the second ground point are all arranged on the housing body, and a distance between the feed point and the slit is 3 mm to 15 mm. The diversity antenna further includes a capacitive element connected to the frame structure and arranged in series with the feed point, and a switch arranged in series with the first ground point.

Growing community of inventors

Beijing, China

Linchuan Wang