# US 10,312,585 B2 · Antenna device for mobile terminal and mobile terminal > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,312,585 B2 - Document ID: US10312585B2 - Status: Granted - Kind: B2 - Application number: 15/668,778 - Filed: 2017-08-04 - Published: 2018-05-24 - Granted: 2019-06-04 - Earliest claimed: 2016-11-18 - Assignees: Guangdong Oppo Mobile Telecommunications Corp., Ltd. - Applicants: Guangdong Oppo Mobile Telecommunications Corp., Ltd. - Inventors: Qing Wu - Web page: https://patentgrep.com/patent/US10312585B2 ## CPC - H01Q 1/528: {reducing the re-radiation of a support structure (in a parabolic reflector antenna H01Q19/023)} - H01Q 1/24: with receiving set - H01Q 1/242: {specially adapted for hand-held use} - H01Q 1/48: Earthing means; Earth screens; Counterpoises - H01Q 9/0442: {with particular tuning means} - H01Q: ANTENNAS, i.e. RADIO AERIALS (radiators or antennas for microwave heating H05B6/72) ## Abstract An antenna device for a mobile terminal as well as a mobile terminal is provided. The antenna device includes: a plurality of antennas; a mainboard comprising a plurality of feed sources that are connected with the plurality of antennas respectively; a metal battery cover comprising a plurality of first ground points; and a plurality of first connecting members configured to connect the plurality of first ground points with a plurality of second ground points of the mainboard respectively, in which the plurality of second ground points correspond to the plurality of feed sources respectively. ## Claims ### Claim 1 An antenna device for a mobile terminal, comprising: a plurality of antennas; a metal battery cover comprising a plurality of first ground points; a mainboard comprising a plurality of feed sources and a plurality of second ground points corresponding to the plurality of feed sources, the plurality of feed sources being coupled to the plurality of antennas; and a plurality of first connecting members coupling the plurality of first ground points to the plurality of second ground points of the mainboard. ### Claim 2 (depends on 1) The antenna device according to claim 1, wherein the metal battery cover further comprises a plurality of third ground points, the mainboard further comprises a ground wire, and the antenna device further comprises a plurality of second connecting members coupling the plurality of third ground points to the ground wire of the mainboard. ### Claim 3 (depends on 2) The antenna device according to claim 2, wherein four third ground points are provided, the metal battery cover comprises four sides, and the four third ground points are located at midpoints of the four sides respectively. ### Claim 4 (depends on 1) The antenna device according to claim 1, wherein four first ground points are provided and located at four corner areas of the metal battery cover one to one. ### Claim 5 (depends on 4) The antenna device according to claim 4, wherein four first connecting members are provided and located at the four corner areas of the metal battery cover one to one. ### Claim 6 (depends on 1) The antenna device according to claim 1, further comprising a plurality of first capacitors coupled between the plurality of first connecting members and the plurality of first ground points respectively. ### Claim 7 (depends on 6) The antenna device according to claim 6, wherein each of the plurality of first capacitors has a capacitance in the range of 80 PF˜150 PF. ### Claim 8 (depends on 2) The antenna device according to claim 2, further comprising a plurality of second capacitors coupled between the plurality of second connecting members and the plurality of third ground points respectively. ### Claim 9 (depends on 8) The antenna device according to claim 8, wherein each of the plurality of second capacitors has a capacitance in the range of 80 PF˜150 PF. ### Claim 10 (depends on 1) The antenna device according to claim 1, wherein the plurality of antennas comprise one or more of a GPS antenna, a Wi-Fi antenna and a communication antenna. ### Claim 11 (depends on 2) The antenna device according to claim 2, wherein the first connecting member and the second connecting member are configured as a resilient sheet, a screw or a pogo pin connector. ### Claim 12 (depends on 2) The antenna device according to claim 2, further comprising a plurality of first conductive fabrics and a plurality of second conductive fabrics, each of the plurality of first conductive fabrics being located between each first ground point and each corresponding first connecting member; and each of the plurality of second conductive fabrics being located between each third ground point and each corresponding second connecting member. ### Claim 13 (depends on 12) The antenna device according to claim 12, wherein the first conductive fabrics and the second conductive fabrics are configured as gold-plated conductive fabrics. ### Claim 14 A mobile terminal, comprising: a plurality of antennas; a metal battery cover comprising a plurality of first ground points; a mainboard comprising a plurality of feed sources and a plurality of second ground points corresponding to the plurality of feed sources, the plurality of feed sources being coupled to the plurality of antennas; and a plurality of first connecting members coupling the plurality of first ground points to the plurality of second ground points of the mainboard. ### Claim 15 (depends on 14) The mobile terminal according to claim 14, further comprising a rear camera and a support structure, and the rear camera is embedded in the support structure. ### Claim 16 (depends on 15) The mobile terminal according to claim 15, wherein the mainboard has a ground wire and the support structure is connected with the ground wire of the mainboard. ### Claim 17 (depends on 15) The mobile terminal according to claim 15, wherein the mainboard has a groove and the support structure is located in the groove. ### Claim 18 (depends on 14) The mobile terminal according to claim 14, further comprising a front fingerprint module, the front fingerprint module is located in a central lower part of a front surface of the mobile terminal and configured to collect and identify a user's fingerprint. ### Claim 19 (depends on 14) The mobile terminal according to claim 14, further comprising a headphone socket, the headphone socket can be located in the bottom right of the mobile terminal, and the headphone socket is provided with a headphone jack. ### Claim 20 A mobile terminal, comprising: a plurality of antennas; a mainboard comprising a plurality of feed sources, a plurality of second ground points, a ground wire and a groove, the plurality of feed sources being connected with the plurality of antennas respectively; a metal battery cover comprising a plurality of first ground points; and a plurality of first connecting members coupling the plurality of first ground points with the plurality of second ground points of the mainboard respectively, and the plurality of second ground points being corresponding to the plurality of feed sources respectively; and a support structure connected with the ground wire of the mainboard and located in the groove.