# US 2024/0201635 A1 · Housing assembly, wearable device, and assembling method > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2024/0201635 A1 - Document ID: US20240201635A1 - Status: Published application - Kind: A1 - Application number: 18/195,363 - Filed: 2023-05-09 - Published: 2024-06-20 - Earliest claimed: 2022-12-20 - Assignees: Beijing Xiaomi Mobile Software Co., Ltd. - Applicants: Beijing Xiaomi Mobile Software Co., Ltd. - Inventors: Xuefeng WANG; Lei MENG - Web page: https://patentgrep.com/patent/US20240201635A1 ## CPC - G04G 17/08: Housings - G06F 1/1698: {the I/O peripheral being a sending/receiving arrangement to establish a cordless communication link, e.g. radio or infrared link, integrated cellular phone (details of antennas disposed inside a computer H01Q1/2266)} - G04G 17/00: Structural details; Housings (constructional details of radio-controlled time-pieces, e.g. antennas G04R60/00) - G04G 17/02: Component assemblies - G04G 17/045: {Mounting of the display} - G04G 17/06: Electric connectors, e.g. conductive elastomers - G06F 1/163: {Wearable computers, e.g. on a belt} - H01Q 1/273: {Adaptation for carrying or wearing by persons or animals} - H01Q 1/521: {reducing the coupling between adjacent antennas} - H01Q 5/35: using two or more simultaneously fed points - G04G: ELECTRONIC TIME-PIECES - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) - H01Q: ANTENNAS, i.e. RADIO AERIALS (radiators or antennas for microwave heating H05B6/72) ## Abstract A housing assembly, a wearable device and an assembling method are provided. The housing assembly includes: a middle frame with an opening; a screen assembly that is located on the middle frame and covers the opening; an edge of the screen assembly provided with a stepped structure; an annular member that is disposed at the stepped structure of the screen assembly; a center of the annular member being aligned with a center of the opening; a connector that connects the annular member and the middle frame. Furthermore, at least one of the annular member or the middle frame is made of metal. ## Claims ### Claim 1 A housing assembly, comprising: a middle frame with an opening; a screen assembly located on the middle frame and covering the opening, wherein an edge of the screen assembly comprises a stepped structure; an annular member disposed at the stepped structure of the screen assembly; wherein a center of the annular member is aligned with a center of the opening; and a connector that connects the annular member and the middle frame; wherein at least one of the annular member or the middle frame is made of metal. ### Claim 2 (depends on 1) The housing assembly according to claim 1, wherein the annular member and the middle frame are both metal pieces, the connector is one of following members: an insulating member for isolating the middle frame and the annular member; or a conductive member for forming an antenna radiator integrally with the annular member and the middle frame. ### Claim 3 (depends on 2) The housing assembly according to claim 2, wherein the conductive member comprises a conductive foam, and the conductive foam is filled in a gap between the middle frame and the annular member. ### Claim 4 (depends on 3) The housing assembly according to claim 3, wherein the conductive foam is divided into multiple sections, and each section of the conductive foam serves as a feed point to stimulate the antenna radiator to receive and transmit wireless signals in different frequency bands. ### Claim 5 (depends on 3) The housing assembly according to claim 3, wherein the conductive foam comprises a first portion located between the annular member and the middle frame and a second portion connected with the first portion; and the second portion is connected between the annular member and the screen assembly. ### Claim 6 (depends on 5) The housing assembly according to claim 5, wherein a first convex rib connecting the first portion is formed on the middle frame; a first distance from a first surface connecting the first portion in the first convex rib to the annular member is smaller than a distance from a second surface connecting the second portion in the stepped structure to the annular member; and a second distance from the first surface to the second surface is between 0.03 mm and 0.07 mm. ### Claim 7 (depends on 3) The housing assembly according to claim 3, wherein the conductive foam is annular in shape. ### Claim 8 (depends on 1) The housing assembly according to claim 1, wherein the housing assembly further comprises a positioning part, and the positioning part is used for positioning the annular member and the middle frame in response to assembling the annular member and the middle frame. ### Claim 9 (depends on 1) The housing assembly according to claim 1, wherein the housing assembly further comprises: a dispensing structure connected between the annular member and the screen assembly, and used for bonding the annular member and the screen assembly. ### Claim 10 (depends on 9) The housing assembly according to claim 9, wherein a second convex rib is formed on a surface of the annular member facing toward the stepped structure; and the dispensing structure is distributed around the second convex rib, and a dispensing thickness of the dispensing structure is equal to a protruding length of the second convex rib. ### Claim 11 (depends on 1) The housing assembly according to claim 1, wherein the annular member covers a non-display area of the screen assembly. ### Claim 12 (depends on 1) The housing assembly according to claim 1, wherein the screen assembly comprises a screen cover plate, and a surface of the annular member facing away from the middle frame is located at a same plane as the screen cover plate. ### Claim 13 A wearable device, comprising: a housing assembly; and a device body fitted on the housing assembly, wherein the wearable device comprises: a middle frame with an opening; a screen assembly located on the middle frame and covering the opening, wherein an edge of the screen assembly comprises a stepped structure; an annular member disposed at the stepped structure of the screen assembly; wherein a center of the annular member is aligned with a center of the opening; and a connector that connects the annular member and the middle frame; wherein at least one of the annular member and or the middle frame is made of metal. ### Claim 14 (depends on 13) The wearable device according to claim 13, wherein in response to determining that the annular member and the middle frame are both metal pieces, the connector is one of following members: an insulating member for isolating the middle frame and the annular member; or a conductive member for forming an antenna radiator integrally with the annular member and the middle frame. ### Claim 15 (depends on 14) The wearable device according to claim 14, wherein the conductive member comprises a conductive foam, and the conductive foam is filled in a gap between the middle frame and the annular member. ### Claim 16 (depends on 15) The wearable device according to claim 15, wherein the conductive foam is divided into multiple sections, and each section of the conductive foam serves as a feed point to stimulate the antenna radiator to receive and transmit wireless signals in different frequency bands. ### Claim 17 An assembling method, comprising: assembling an annular member at a stepped structure of a screen assembly, wherein a housing assembly comprises a middle frame with an opening, the screen assembly, the annular member, and a connector; assembling the screen assembly on the middle frame, to enable the screen assembly to cover the opening of the middle frame; and connecting the annular member and the middle frame through the connector, wherein at least one of the annular member or the middle frame is made of metal. ### Claim 18 (depends on 17) The assembling method according to claim 17, wherein assembling the annular member at the stepped structure of the screen assembly comprises: fixating the annular member at the stepped structure through a dispensing structure. ### Claim 19 (depends on 17) The assembling method according to claim 17, further comprising: bonding the screen assembly and the middle frame through a bonding structure after the screen assembly is assembled on the middle frame. ### Claim 20 (depends on 17) The assembling method according to claim 17, wherein connecting the annular member and the middle frame through the connector comprises: assembling the connector on a surface of the annular member facing toward the stepped structure; and connecting the annular member and the middle frame through the connector after the screen assembly is assembled on the middle frame.