# US 12,181,926 B2 · Support apparatus > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,181,926 B2 - Document ID: US12181926B2 - Status: Granted - Kind: B2 - Application number: 18/003,428 - Filed: 2022-08-29 - Published: 2024-03-28 - Granted: 2024-12-31 - Earliest claimed: 2021-10-11 - Assignees: Honor Device Co., Ltd. - Applicants: Honor Device Co., Ltd. - Inventors: Xing Wang; Haojie Li - Web page: https://patentgrep.com/patent/US12181926B2 ## CPC - G06F 1/1656: {Details related to functional adaptations of the enclosure, e.g. to provide protection against EMI, shock, water, or to host detachable peripherals like a mouse or removable expansions units like PCMCIA cards, or to provide access to internal components for maintenance or to removable storage supports like CDs or DVDs, or to mechanically mount accessories (mounting of accessories to a computer display G06F1/1607; display hoods G06F1/1603; cooling arrangements for portable computers G06F1/203)} - G06F 1/1626: {with a single-body enclosure integrating a flat display, e.g. Personal Digital Assistants [PDAs]} - G06F 1/1632: {External expansion units, e.g. docking stations} - G06F 3/03545: {Pens or stylus} - G06F 3/039: Accessories therefor, e.g. mouse pads - G06F 2200/1632: Pen holder integrated in the computer - G06F 2200/1633: Protecting arrangement for the entire housing of the computer - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) ## Abstract A support apparatus is configured to fasten a stylus, a magnet of the stylus includes a first wall surface and a second wall surface facing away from the first wall surface, and a polarity of the first wall surface is opposite to that of the second wall surface. The support apparatus includes a main body, a support frame, a connecting part, and a stylus fastener; the stylus fastener includes an annular body and a mounting space formed by the body, the body is magnetic and includes an inner wall surface and an outer wall surface, and a polarity of the inner wall surface is opposite to that of the outer wall surface; the stylus is configured to mount in the mounting space. ## Claims ### Claim 1 A support apparatus, comprising: a stylus fastener configured to fasten a stylus, wherein a magnet of the stylus comprises a first wall surface and a second wall surface facing away from the first wall surface, and a polarity of the first wall surface is opposite to that of the second wall surface, wherein the stylus fastener comprises an annular body and a mounting space formed by the annular body, wherein the annular body comprises: an inner wall surface that faces the mounting space; an outer wall surface that faces away from the inner wall surface; and a plurality of magnets disposed around an X axis to enclose the annular body, wherein a direction of magnetic lines of the annular body is from the inner wall surface to the outer wall surface or from the outer wall surface to the inner wall surface, wherein the inner wall surface has a first polarity, the outer wall surface has a second polarity, and the first polarity is opposite to the second polarity, wherein the mounting space is configured to receive the stylus in an X-axis direction, such that the stylus fastener is sleeved onto a periphery of the stylus, and the X-axis direction is a length direction of the support apparatus, wherein both the first wall surface and the second wall surface of the stylus are disposed opposite to the inner wall surface when the mounting space receives the stylus, and wherein a first magnetic force is generated between the first wall surface and the inner wall surface, a second magnetic force is generated between the second wall surface and the inner wall surface, and the first magnetic force and the second magnetic force have a difference, such that the stylus can be magnetically fastened to the stylus fastener by the magnet of the stylus. ### Claim 2 (depends on 1) The support apparatus of claim 1, wherein the first magnetic force is greater than the second magnetic force, and the first magnetic force is a magnetic adsorption force. ### Claim 3 (depends on 2) The support apparatus of claim 2, wherein the second magnetic force is a magnetic repulsion force, and a direction of the first magnetic force is the same as a direction of the second magnetic force. ### Claim 4 (depends on 2) The support apparatus of claim 2, wherein magnetic lines of the annular body are evenly distributed in an extension direction of the annular body, and in a direction perpendicular to an X axis, and wherein a distance between the first wall surface and the inner wall surface is a first distance, a distance between the second wall surface and the inner wall surface is a second distance, and the first distance is less than the second distance. ### Claim 5 (depends on 2) The support apparatus of claim 2, wherein in a direction around an X axis, the inner wall surface comprises a first area and a second area, and a density of magnetic lines of the first area is greater than a density of magnetic lines of the second area, and wherein in a direction perpendicular to the X axis, the first wall surface is opposite to a part of the first area or all of the first area, and the second wall surface is opposite to a part of the second area or all of the second area. ### Claim 6 (depends on 1) The support apparatus of claim 1, wherein the second magnetic force is greater than the first magnetic force, and the second magnetic force is a magnetic adsorption force. ### Claim 7 (depends on 6) The support apparatus of claim 6, wherein the first magnetic force is a magnetic repulsion force, and a direction of the magnetic adsorption force is the same as a direction of the magnetic repulsion force. ### Claim 8 (depends on 6) The support apparatus of claim 6, wherein magnetic lines of the annular body are evenly distributed in an extension direction of the annular body, and wherein in a direction perpendicular to an X axis, a distance between the first wall surface and the inner wall surface is a first distance, a distance between the second wall surface and the inner wall surface is a second distance, and the first distance is greater than the second distance. ### Claim 9 (depends on 6) The support apparatus of claim 6, wherein in a direction around an X axis, the inner wall surface comprises a first area and a second area, and a density of magnetic lines of the first area is less than a density of magnetic lines of the second area, and wherein the first wall surface is opposite to a part of the first area or all of the first area, and the second wall surface is opposite to a part of the second area or all of the second area. ### Claim 10 (depends on 1) The support apparatus of claim 1, wherein widths of the first wall surface, the second wall surface, and the inner wall surface are the same in the X-axis direction. ### Claim 11 (depends on 1) The support apparatus of claim 1, wherein lengths of the plurality of magnets are the same in a direction around the X axis. ### Claim 12 (depends on 1) The support apparatus of claim 1, comprising a plurality of stylus fasteners, each comprising an annular body and a mounting space formed by the annular body, wherein the mounting spaces of the plurality of stylus fasteners are coaxially disposed. ### Claim 13 (depends on 12) The support apparatus of claim 12, wherein the plurality of stylus fasteners are equally spaced in the X-axis direction. ### Claim 14 (depends on 1) The support apparatus of claim 1, wherein the first polarity is an S pole, and the second polarity is an N pole. ### Claim 15 (depends on 1) The support apparatus of claim 1, further comprising: a main body; a connecting part; and a support frame connected to the main body by the connecting part, wherein the support frame is configured to be folded or unfolded with respect to the main body, wherein the stylus fastener is disposed on the main body, the support frame, or the connecting part. ### Claim 16 (depends on 15) The support apparatus of claim 15, wherein the connecting part comprises an accommodating groove for accommodating the stylus, a notch of the accommodating groove faces a side of the support apparatus in the X-axis direction, and the stylus fastener is mounted in the accommodating groove. ### Claim 17 (depends on 16) The support apparatus of claim 16, wherein the outer wall surface comprises a first plane, a second plane is disposed on a wall of the accommodating groove, and the first plane is attached and fastened to the second plane. ### Claim 18 (depends on 15) The support apparatus of claim 15, wherein the main body comprises a housing, the housing comprises a first mounting surface and a first appearance surface that faces away from the first mounting surface, and the first mounting surface faces the support frame when the support frame is folded with respect to the main body, and wherein the stylus fastener is disposed on the first appearance surface. ### Claim 19 (depends on 15) The support apparatus of claim 15, wherein the support frame comprises a second mounting surface and a second appearance surface that faces away from the second mounting surface, and the second mounting surface faces the main body when the support frame is folded with respect to the main body, and wherein the stylus fastener is disposed on the second appearance surface.