# US 10,122,069 B2 · Mobile terminal device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,122,069 B2 - Document ID: US10122069B2 - Status: Granted - Kind: B2 - Application number: 15/062,100 - Filed: 2016-03-05 - Published: 2017-02-02 - Granted: 2018-11-06 - Earliest claimed: 2015-07-31 - Assignees: AAC Technologies Pte. Ltd. - Applicants: Chan Yun Ghit; Ng Guan Hong; Tay Yew Siow - Inventors: Chan Yun Ghit; Ng Guan Hong; Tay Yew Siow - Web page: https://patentgrep.com/patent/US10122069B2 ## CPC - H01Q 1/243: {with built-in antennas} - H01Q 5/30: Arrangements for providing operation on different wavebands - H01Q 9/0421: {with a shorting wall or a shorting pin at one end of the element (H01Q9/0414 takes precedence)} - H01Q: ANTENNAS, i.e. RADIO AERIALS (radiators or antennas for microwave heating H05B6/72) ## Abstract A mobile terminal device is provided in the present disclosure. The mobile terminal device includes a metal back cover with a groove, a printed circuit board with a groove opening corresponding to the groove, and an antenna module. The antenna module includes a radiator body and a groove adaptor member, at least part of the metal back cover serves as the radiator body of the antenna module. The groove adaptor member includes a groove adapting part and a supporting part for supporting the groove adapting part, the groove adapting part includes a main body, a first extending piece and a second extending piece. The main body is received in the groove opening and aligned with the groove; the first extending piece and the second extending piece respectively extend from two opposite edges of the main body and are connected to the printed circuit board. ## Claims ### Claim 1 A mobile terminal device, comprising: a metal back cover comprising a groove; a printed circuit board comprising a groove opening corresponding to the groove of the metal back cover; and an antenna module comprising a radiator body and a groove adaptor member; wherein at least part of the metal back cover serves as the radiator body of the antenna module, and the groove adaptor member comprises a groove adapting part and a supporting part for supporting the groove adapting part, the groove adapting part comprises a main body, a first extending piece and a second extending piece; the main body is received in the groove opening of the printed circuit board and aligned with the groove of the metal back cover, the first extending piece and the second extending piece respectively extend from two opposite edges of the main body and are connected to the printed circuit board. ### Claim 2 (depends on 1) The mobile terminal device of claim 1, wherein the groove is an elongated groove recessed from an edge of the metal back cover. ### Claim 3 (depends on 2) The mobile terminal device of claim 2, wherein the groove is filled with plastic filler, and the main body of groove adapting part is fixed in the groove opening by the plastic filler. ### Claim 4 (depends on 3) The mobile terminal device of claim 3, wherein the plastic filler is made of acrylonitrile butadiene styrene (ABS) resin or polycarbonate acrylonitrile butadiene styrene (PC-ABS) resin. ### Claim 5 (depends on 1) The mobile terminal device of claim 1, wherein the antenna module is a dual-band antenna module. ### Claim 6 (depends on 5) The mobile terminal device of claim 5, wherein the antenna module have a first frequency band from 2400 MHz to 2500 MHz and a second frequency band from 5150 MHz to 5180 MHz. ### Claim 7 (depends on 5) The mobile terminal device of claim 5, wherein the antenna module further comprises a feed point and a ground point, the first extending piece serves as a first pin and is electrically connected to the feed point via the printed circuit board; the second extending piece serves as a second pin and is electrically connected to the ground point via the printed circuit board. ### Claim 8 (depends on 7) The mobile terminal device of claim 7, wherein the first extending piece is connected to the radiator body via a top surface of the printed circuit board, and the second extending piece is connected to the radiator body via a bottom surface of the printed circuit board. ### Claim 9 (depends on 1) The mobile terminal device of claim 1, further comprising a display module, wherein the printed circuit board is located on the display module. ### Claim 10 (depends on 9) The mobile terminal device of claim 9, wherein the radiator body extends to a periphery of the display module. ### Claim 11 (depends on 10) The mobile terminal device of claim 10, wherein the antenna module further comprises a plurality of ground points formed at the metal back cover or at two opposite sidewalls of the mobile terminal device. ### Claim 12 (depends on 9) The mobile terminal device of claim 9, wherein the supporting part comprises an extending plate perpendicularly extending from the main body along a direction opposite to the second extending piece, a fixing plate attached to the display module, and a connecting plate connected between the extending plate and the fixing plate. ### Claim 13 (depends on 12) The mobile terminal device of claim 12, wherein the supporting part may has an orthogonal zigzagged configuration in cross-section. ### Claim 14 (depends on 1) The mobile terminal device of claim 1, wherein the printed circuit board further comprises a grounding gap extending from the groove opening. ### Claim 15 (depends on 14) The mobile terminal device of claim 14, wherein the printed circuit board is a single layer printed circuit board, and the first extending piece and the second extending piece are respectively connected to a top surface and a bottom surface of the printed circuit board. ### Claim 16 (depends on 14) The mobile terminal device of claim 14, wherein the printed circuit board is a multi-layer printed circuit board, and the first extending piece and the second extending piece are respectively connected to two different circuit layer of the printed circuit board.