# US 12,216,281 B2 · Position-based switch of display devices > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,216,281 B2 - Document ID: US12216281B2 - Status: Granted - Kind: B2 - Application number: 17/973,324 - Filed: 2022-10-25 - Published: 2024-04-25 - Granted: 2025-02-04 - Earliest claimed: 2022-10-25 - Assignees: Hewlett-Packard Development Company, L.P. - Applicants: Hewlett-Packard Development Company, L.P. - Inventors: Chung-Chun Chen; Ming-Shien Tsai; Chih-Ming Huang - Web page: https://patentgrep.com/patent/US12216281B2 ## CPC - G02B 27/0172: {characterised by optical features} - G06T 19/006: {Mixed reality (object pose determination, tracking or camera calibration for mixed reality G06T7/00)} - G02B 2027/014: {comprising information/image processing systems} - G02B: OPTICAL ELEMENTS, SYSTEMS OR APPARATUS - G06T: IMAGE DATA PROCESSING OR GENERATION, IN GENERAL ## Abstract The present specification describes examples of position-based switching of display devices. An example augmented reality (AR) device includes an AR display device to render display data. The example AR device also includes a wireless communication device to transmit and receive wireless signals. The example AR device further includes a processor to: 1) determine a position of the AR device relative to a computing device based on wireless signals communicated with the computing device; and 2) switch an activity state of the AR display device based on the determined position of the AR device relative to the computing device. ## Claims ### Claim 1 An augmented reality (AR) device, comprising: an AR display device to render display data; a wireless communication device to transmit and receive wireless signals; and a processor to: determine, based on the wireless signals communicated with a computing device, a position of the AR device relative to the computing device; and switch, in response to determining the position, an activity state of the AR display device, wherein the AR display is to send, to the computing device in response to determining the position, an instruction that causes the computing device to switch an activity state of a display device in the computing device. ### Claim 2 (depends on 1) The AR device of claim 1, wherein the position comprises a distance of the AR device from the computing device. ### Claim 3 (depends on 1) The AR device of claim 1, wherein the position comprises an angle of the AR device relative to the computing device. ### Claim 4 (depends on 1) The AR device of claim 1, wherein the processor is to switch OFF the AR display device in response to determining that the position is within a threshold position. ### Claim 5 (depends on 4) The AR device of claim 4, wherein the processor is to: switch ON the AR display device in response to determining that the position is outside the threshold position. ### Claim 6 (depends on 1) The AR device of claim 1, wherein the wireless communication device comprises an ultra-wideband radio device. ### Claim 7 (depends on 1) The AR device of claim 1, wherein the processor is to: generate a user alert in response to detecting that a second AR device is within a threshold distance from the AR device while the AR display device is active. ### Claim 8 (depends on 1) The AR device of claim 1, wherein the activity state of the AR display device refers to whether the AR display device is ON or OFF. ### Claim 9 (depends on 1) The AR device of claim 1, wherein the processor is to cause, in response to switching the AR display device ON, the AR display device to render display data received from the computing device. ### Claim 10 (depends on 1) The AR device of claim 1, wherein the activity state of the display device in the computing device refers to whether the display device in the computing device is ON or OFF. ### Claim 11 (depends on 1) The AR device of claim 1, wherein the instruction causes the computing device to switch, from ON to OFF, the activity state of the display device in the computing device. ### Claim 12 A computing device comprising: a display device to render display data; a wireless communication device to transmit and receive wireless signals with an augmented reality (AR) device comprising an AR display device; and a processor to: determine a position of the AR device relative to the computing device based on the wireless signals communicated with the AR device; and switch an activity state of the display device based on the determined position of the AR device relative to the computing device, wherein in response to determining that the position of the AR device is within a threshold position, the processor is to: switch ON the display device; and send an instruction to the AR device to switch OFF the AR display device. ### Claim 13 (depends on 12) The computing device of claim 12, wherein in response to determining that the position of the AR device is outside the threshold position, the processor is to: switch OFF the display device; send an instruction to the AR device to switch ON the AR display device; and send display data to the AR device to render using the AR display device. ### Claim 14 A system comprising: an augmented reality (AR) device, comprising: an AR display device; and a first wireless communication device to transmit and receive wireless signals; and a computing device, comprising: a display device to render display data; a second wireless communication device to transmit and receive wireless signals with the AR device; and a processor to: determine a distance of the AR device from the computing device based on the wireless signals; determine an angle of the AR device relative to the computing device based on the wireless signals; and switch an activity state of the display device and the AR display device based on the determined distance and the angle of the AR device relative to the computing device, wherein in response to determining that the distance of the AR device is within a threshold distance and the angle of the AR device is within a threshold angle, the processor is to: switch ON the display device; and send an instruction to the AR device to switch OFF the AR display device. ### Claim 15 (depends on 14) The system of claim 14, wherein in response to determining that the distance of the AR device is greater than the threshold distance, or the angle of the AR device is greater than a threshold angle, the processor is to: switch OFF the display device of the computing device; send an instruction to the AR device to switch ON the AR display device; and send the display data from the computing device to the AR device to render using the AR display device. ### Claim 16 (depends on 15) The system of claim 15, wherein the display data comprises a video stream of a desktop image from the computing device. ### Claim 17 (depends on 14) The system of claim 14, wherein the processor is to periodically request the second wireless communication device to calculate the distance and the angle of the AR device relative to the computing device.