# US 2023/0275984 A1 · Wireless Terminal > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2023/0275984 A1 - Document ID: US20230275984A1 - Status: Published application - Kind: A1 - Application number: 18/007,100 - Filed: 2021-07-20 - Published: 2023-08-31 - Earliest claimed: 2020-07-29 - Assignees: Huawei Technologies Co., Ltd. - Applicants: Huawei Technologies Co., Ltd. - Inventors: Yao Lan - Web page: https://patentgrep.com/patent/US20230275984A1 ## CPC - H01Q 1/245: {with means for shaping the antenna pattern, e.g. in order to protect user against rf exposure} - H04M 1/0277: {for a printed circuit board assembly} - H01Q 1/273: {Adaptation for carrying or wearing by persons or animals} - H04B 1/3838: {Arrangements for reducing RF exposure to the user, e.g. by changing the shape of the transceiver while in use} - H04B 1/385: {Transceivers carried on the body, e.g. in helmets} - H04B 1/40: Circuits - H01Q: ANTENNAS, i.e. RADIO AERIALS (radiators or antennas for microwave heating H05B6/72) - H04M: TELEPHONIC COMMUNICATION (circuits for controlling other apparatus via a telephone cable and not involving telephone switching apparatus G08) - H04B: TRANSMISSION ## Abstract A wireless terminal includes a housing, an antenna, a circuit board, and a loss reduction structure. The housing has a first side plate. The circuit board is arranged proximate close to and facing the first side plate, and the circuit board is a ground end of the antenna. The loss reduction structure is made with a metal material. The loss reduction structure includes a connection stub, a first stub, and a second stub. The connection stub is electrically coupled to the circuit board. The first stub and the second stub are located on two sides of the connection stub, and both are coupled to the connection stub. The first stub and the second stub are proximate close to the first side plate and are arranged in a direction parallel to the first side plate. ## Claims ### Claim at position 1 -11. (canceled) ### Claim 12 A wireless terminal comprising: a housing comprising a first side plate; an antenna disposed in the housing; a circuit board disposed in the housing, proximate to the first side plate and facing the first side plate, wherein the circuit board is a ground end of the antenna; and a loss reduction structure comprising a metal material and further comprising: a connection stub coupled to the circuit board and comprising: a first side; and a second side opposite the first side; a first stub, located on the first side, coupled to the connection stub, and proximate to the first side plate; and a second stub located on the second side, coupled to the connection stub, and proximate to the first side plate, wherein the first stub and the second stub are arranged in a direction parallel to the first side plate. ### Claim 13 (depends on 12) The wireless terminal of claim 12, wherein the first stub and the second stub are symmetrically arranged with respect to the connection stub. ### Claim 14 (depends on 12) The wireless terminal of claim 12, wherein a sum of a first length of the first stub and a second length of the second stub is one half of a transmission wavelength of an electromagnetic wave on a frequency band of the antenna. ### Claim 15 (depends on 12) The wireless terminal of claim 12, wherein the first side plate comprises: a first wall surface facing the circuit board; and a second wall surface located opposite to the first wall surface and facing away from the circuit board, wherein the first stub and the second stub are located on the second wall surface. ### Claim 16 (depends on 15) The wireless terminal of claim 15, further comprising a metal through hole disposed on the first side plate, penetrating the first wall surface and the second wall surface, and defining the connection stub. ### Claim 17 (depends on 12) The wireless terminal of claim 12, wherein the first side plate comprises: a first wall surface facing the circuit board and comprising a groove, wherein the first stub and the second stub are located in the groove; and a second wall surface located opposite to the first wall surface and facing away from the circuit board. ### Claim 18 (depends on 12) The wireless terminal of claim 12, further comprising: a plurality of first stubs; and a plurality of second stubs in a one-to-one correspondence with the first stubs, wherein one of the first stubs and a corresponding second stub are located on the first side and the second side. ### Claim 19 (depends on 18) The wireless terminal of claim 18, wherein the first stubs and the second stubs are coupled to form a pivotable structure with the connection stub as a center pivot point. ### Claim 20 (depends on 12) The wireless terminal of claim 12, wherein the connection stub is coupled to the circuit board. ### Claim 21 (depends on 12) The wireless terminal of claim 12, wherein the wireless terminal is a wearable device, and wherein the wearable device comprises a watch body comprising a bottom cover plate wherein the first stub and the second stub are disposed on the bottom cover plate. ### Claim 22 (depends on 21) The wireless terminal of claim 21, wherein the bottom cover plate comprises a metal pivotable structure defining the first stub and the second stub, and wherein a center of the bottom cover plate is coupled to the connection stub. ### Claim 23 (depends on 12) The wireless terminal of claim 12, wherein the wireless terminal is a mobile phone, wherein the mobile phone comprises a rear cover plate, and wherein the first stub and the second stub are disposed on the rear cover plate. ### Claim 24 (depends on 14) The wireless terminal of claim 14, wherein the first length is equal to the second length. ### Claim 25 (depends on 12) The wireless terminal of claim 12, further comprising a capacitor coupled between the connection stub and the circuit board. ### Claim 26 (depends on 12) The wireless terminal of claim 12, further comprising a non-contact electrical connection coupled between the connection stub and the circuit board. ### Claim 27 (depends on 12) The wireless terminal of claim 12, further comprising a weld coupling the connection stub to the circuit board. ### Claim 28 (depends on 18) The wireless terminal of claim 18, wherein every two adjacent first stubs and every two adjacent second stubs define a space. ### Claim 29 (depends on 12) The wireless terminal of claim 12, wherein the metal material is copper, aluminum, or zinc. ### Claim 30 A metal loss reduction structure configured to reduce a specific absorption rate of a user of a terminal device, the loss reduction structure comprising: a connection stub coupled to a circuit board of a wireless terminal and comprising: a first side; and a second side opposite the first side; a first stub located on the first side, coupled to the connection stub, and proximate to a side plate of the wireless terminal; and a second stub located on the second side, coupled to the connection stub, and proximate to the side plate, wherein the first stub and the second stub are parallel to the side plate. ### Claim 31 (depends on 30) The loss reduction structure of claim 30, wherein the connection stub is further coupled to the circuit board by a capacitor, a non-contact electrical connection, or a weld.