# US 12,112,087 B2 · Splicing display positioning method, apparatus, and system, and electronic device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,112,087 B2 - Document ID: US12112087B2 - Status: Granted - Kind: B2 - Application number: 18/034,597 - Filed: 2021-10-27 - Published: 2023-12-07 - Granted: 2024-10-08 - Earliest claimed: 2020-10-30 - Assignees: Huawei Technologies Co., Ltd. - Applicants: Huawei Technologies Co., Ltd. - Inventors: Hongbin Peng - Web page: https://patentgrep.com/patent/US12112087B2 ## CPC - G06F 3/1446: {display composed of modules, e.g. video walls} - H04W 4/023: {using mutual or relative location information between multiple location based services [LBS] targets or of distance thresholds} - G09G 2356/00: Detection of the display position w.r.t. other display screens - G09G 2370/042: for monitor identification - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) - G09G: ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION (arrangements for transferring data between digital computers and displays G06F3/14; static indicating arrangements comprising an association of a number of separate sources or light control cells G09F9/00; static indicating arrangements comprising integral associations of a number of light sources H01J, H01K, H10H, H05B33/12; scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission, details thereof H04N1/00) ## Abstract In an embodiment a splicing display positioning method includes obtaining a distance and/or a direction from a UWB base point device to a UWB label based on a UWB ranging technology and a UWB direction-finding technology, wherein a plurality of displays are spliced into a splicing display, wherein one UWB label is installed on each display, and wherein different displays are distinguished based on the UWB labels installed on the displays, calculating a mutual position relationship between the UWB labels based on the distance and/or the direction from the UWB base point device to each UWB label and determining a position of each display in the splicing display based on the mutual position relationship between the UWB labels. ## Claims ### Claim 1 A splicing display positioning method, the method comprising: obtaining a distance and/or a direction from a UWB base point device to a UWB label based on a UWB ranging technology and a UWB direction-finding technology, wherein a plurality of displays are spliced into a splicing display, wherein one UWB label is installed on each display, and wherein different displays are distinguished based on the UWB labels installed on the displays; calculating a mutual position relationship between the UWB labels based on the distance and/or the direction from the UWB base point device to each UWB label; determining a position of each display in the splicing display based on the mutual position relationship between the UWB labels; and determining a landscape/portrait mode of a display in the splicing display based on the distance and the direction from the UWB base point device to each UWB label. ### Claim 2 (depends on 1) The method according to claim 1, wherein calculating the mutual position relationship between the UWB labels based on the distance and/or the direction from the UWB base point device to each UWB label comprises determining the mutual position relationship between the UWB labels based on the direction from the UWB base point device to each UWB label. ### Claim 3 (depends on 1) The method according to claim 1, wherein installation positions of the UWB labels on the plurality of displays are consistent. ### Claim 4 (depends on 1) The method according to claim 1, wherein determining the landscape/portrait mode of the display in the splicing display based on the distance and the direction from the UWB base point device to each UWB label comprises: calculating a spacing between any two UWB labels based on the distance and the direction from the UWB base point device to each UWB label, determining two pairs of UWB labels with longest spacings to determine a largest UWB label quadrilateral, calculating side lengths of the largest UWB label quadrilateral to determine a longest side/shortest side of the UWB label quadrilateral, and determining a direction of the longest side/shortest side of the UWB label quadrilateral, and determining the landscape/portrait mode of the display in the splicing display based on the direction of the longest side/shortest side of the UWB label quadrilateral. ### Claim 5 (depends on 1) The method according to claim 1, further comprising determining a top orientation relationship between the displays in the splicing display based on the distance and the direction from the UWB base point device to each UWB label. ### Claim 6 (depends on 5) The method according to claim 5, wherein the UWB label is installed on a side of a longitudinal middle line of a display that is close to a top of the display or close to a bottom of the display, and wherein determining a top orientation relationship between adjacent displays in the splicing display based on the distance and the direction from the UWB base point device to each UWB label comprises: calculating a spacing between any two UWB labels based on the distance and the direction from the UWB base point device to each UWB label, determining two pairs of UWB labels with longest spacings to determine a largest UWB label quadrilateral, calculating side lengths of the largest UWB label quadrilateral to determine a shortest side of the UWB label quadrilateral, calculating a spacing between two adjacent UWB labels that are in a same direction as the shortest side of the UWB label quadrilateral, and determining, based on the spacing between the two adjacent UWB labels, the top orientation relationship between two adjacent displays corresponding to the two adjacent UWB labels, wherein, when the UWB label is close to a side of the top of the display, and when the spacing between the two adjacent UWB labels is less than a height of the display, the two displays are in opposite directions, when the UWB label is close to the side of the top of the display, and when the spacing between the two adjacent UWB labels is greater than the height of the display, the two displays are in reversed directions, when the UWB label is close to a side of the bottom of the display, and when the spacing between the two adjacent UWB labels is less than the height of the display, the two displays are in reversed directions, when the UWB label is close to the side of the bottom of the display, and when the spacing between the two adjacent UWB labels is greater than the height of the display, the two displays are in opposite directions, or when the spacing between the two adjacent UWB labels is equal to the height of the display, the two displays are in the same direction. ### Claim 7 (depends on 5) The method according to claim 5, wherein the UWB label is installed on a side of a longitudinal middle line of the display that is close to a top of the display or close to a bottom of the display, wherein determining a top orientation relationship between adjacent displays in the splicing display based on the distance and the direction from the UWB base point device to each UWB label comprises: calculating a spacing between any two UWB labels based on the distance and the direction from the UWB base point device to each UWB label, determining two pairs of UWB labels with longest spacings to determine a largest UWB label quadrilateral, calculating side lengths of the largest UWB label quadrilateral to determine a longest side of the UWB label quadrilateral, calculating a spacing between two adjacent UWB labels that are in a same direction as the longest side of the UWB label quadrilateral, and determining, based on the spacing between the two adjacent UWB labels, the top orientation relationship between two adjacent displays corresponding to the two adjacent UWB labels, wherein, when the spacing between the two adjacent UWB labels is greater than a width of the display, the two displays are in reversed directions, or when the spacing between the two adjacent UWB labels is equal to the width of the display, the two displays are in the same direction. ### Claim 8 A splicing display positioning system comprising: UWB labels installable on a plurality of displays spliced into a splicing display, wherein one UWB label is installed on each display; a UWB base point device configured to obtain a distance and/or a direction to the UWB label based on a UWB ranging technology and/or a UWB direction-finding technology; and a positioning module configured to: determine a position of each display in the splicing display based on a distance and/or a direction from the UWB base point device to each UWB label; and determine a top orientation relationship between the displays in the splicing display based on the distance and the direction from the UWB base point device to each UWB label. ### Claim 9 (depends on 1) An electronic device comprising: a memory; and a processor configured to execute a computer program stored in the memory, the computer program including instructions according to the method according to claim 1. ### Claim 10 A splicing display positioning method, the method comprising: obtaining a distance and/or a direction from a UWB base point device to a UWB label based on a UWB ranging technology and a UWB direction-finding technology, wherein a plurality of displays are spliced into a splicing display, wherein one UWB label is installed on each display, and wherein different displays are distinguished based on the UWB labels installed on the displays; calculating a mutual position relationship between the UWB labels based on the distance and/or the direction from the UWB base point device to each UWB label; determining a position of each display in the splicing display based on the mutual position relationship between the UWB labels; and determining a top orientation relationship between the displays in the splicing display based on the distance and the direction from the UWB base point device to each UWB label. ### Claim 11 (depends on 10) The method according to claim 10, wherein calculating the mutual position relationship between the UWB labels based on the distance and/or the direction from the UWB base point device to each UWB label comprises determining the mutual position relationship between the UWB labels based on the direction from the UWB base point device to each UWB label. ### Claim 12 (depends on 10) The method according to claim 10, wherein installation positions of the UWB labels on the plurality of displays are consistent. ### Claim 13 (depends on 10) The method according to claim 10, wherein the UWB label is installed on a side of a longitudinal middle line of a display that is close to a top of the display or close to a bottom of the display, and wherein determining a top orientation relationship between adjacent displays in the splicing display based on the distance and the direction from the UWB base point device to each UWB label comprises: calculating a spacing between any two UWB labels based on the distance and the direction from the UWB base point device to each UWB label, determining two pairs of UWB labels with longest spacings to determine a largest UWB label quadrilateral, calculating side lengths of the largest UWB label quadrilateral to determine a shortest side of the UWB label quadrilateral, calculating a spacing between two adjacent UWB labels that are in a same direction as the shortest side of the UWB label quadrilateral, and determining, based on the spacing between the two adjacent UWB labels, the top orientation relationship between two adjacent displays corresponding to the two adjacent UWB labels, wherein, when the UWB label is close to a side of the top of the display, and when the spacing between the two adjacent UWB labels is less than a height of the display, the two displays are in opposite directions, when the UWB label is close to the side of the top of the display, and when the spacing between the two adjacent UWB labels is greater than the height of the display, the two displays are in reversed directions, when the UWB label is close to a side of the bottom of the display, and when the spacing between the two adjacent UWB labels is less than the height of the display, the two displays are in reversed directions, when the UWB label is close to the side of the bottom of the display, and when the spacing between the two adjacent UWB labels is greater than the height of the display, the two displays are in opposite directions, or when the spacing between the two adjacent UWB labels is equal to the height of the display, the two displays are in the same direction. ### Claim 14 (depends on 10) The method according to claim 10, wherein the UWB label is installed on a side of a longitudinal middle line of the display that is close to a top of the display or close to a bottom of the display, wherein determining a top orientation relationship between adjacent displays in the splicing display based on the distance and the direction from the UWB base point device to each UWB label comprises: calculating a spacing between any two UWB labels based on the distance and the direction from the UWB base point device to each UWB label, determining two pairs of UWB labels with longest spacings to determine a largest UWB label quadrilateral, calculating side lengths of the largest UWB label quadrilateral to determine a longest side of the UWB label quadrilateral, calculating a spacing between two adjacent UWB labels that are in a same direction as the longest side of the UWB label quadrilateral, and determining, based on the spacing between the two adjacent UWB labels, the top orientation relationship between two adjacent displays corresponding to the two adjacent UWB labels, wherein, when the spacing between the two adjacent UWB labels is greater than a width of the display, the two displays are in reversed directions, or when the spacing between the two adjacent UWB labels is equal to the width of the display, the two displays are in the same direction. ### Claim 15 (depends on 10) An electronic device comprising: a memory; and a processor configured to execute a computer program stored in the memory, the computer program including instructions according to the method according to claim 10.