# US 12,602,194 B2 · XR device, electronic device and control method thereof > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,602,194 B2 - Document ID: US12602194B2 - Status: Granted - Kind: B2 - Application number: 19/008,325 - Filed: 2025-01-02 - Published: 2025-05-22 - Granted: 2026-04-14 - Earliest claimed: 2022-08-04 - Assignees: Samsung Electronics Co., Ltd. - Applicants: Samsung Electronics Co., Ltd. - Inventors: Heewoong Yoon; Jongah Kim; Kihyuk Lee; Donghan Lee; Gwangho Choi - Web page: https://patentgrep.com/patent/US12602194B2 ## CPC - G06F 3/011: {Arrangements for interaction with the human body, e.g. for user immersion in virtual reality (blind teaching G09B21/00)} - G06F 3/14: Digital output to display device {; Cooperation and interconnection of the display device with other functional units} - G06F 3/013: {Eye tracking input arrangements (G06F3/015 takes precedence)} - G06K 7/10: by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation - G06K 7/14: using light without selection of wavelength, e.g. sensing reflected white light {(G06K7/10831 - G06K7/1097 take precedence)} - G06K 19/06: characterised by the kind of the digital marking, e.g. shape, nature, code - G06Q 20/308: {using the Internet of Things} - G06Q 20/321: {using wearable devices} - G06Q 20/3274: {using a pictured code, e.g. barcode or QR-code, being displayed on the M-device} - G06Q 20/3276: {using a pictured code, e.g. barcode or QR-code, being read by the M-device} - H04W 4/38: for collecting sensor information - H04W 4/80: Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication - G06Q 20/40145: {Biometric identity checks} - G06Q 30/0641: {utilising user interfaces specially adapted for shopping} - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) - G06K: GRAPHICAL DATA READING (image or video recognition or understanding G06V); PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS - G06Q: INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) ## Abstract An XR device, an electronic device, and a control method thereof are provided. An XR device may include at least one display, at least one memory, at least one optical sensor including a receiver for detecting an optical signal encoded as a barcode and an emitter for outputting the optical signal encoded as the barcode, and at least one processor electrically connected with the display, the memory, and the optical sensor. The processor may generate a service request signal including a code indicating service information as at least a portion thereof, through the emitter, output the service request signal through the emitter, identify a code indicating user information from a service response signal received through the receiver when the service information includes service information related to user registration and store the identified code in the memory. ## Claims ### Claim 1 An extended reality (XR) device, comprising: a display; memory; an optical sensor including a receiver for detecting an optical signal encoded as a barcode and an emitter for outputting the optical signal encoded as the barcode; and a processor electrically connected with the display, the memory, and the optical sensor, wherein the processor is configured to: generate a service request signal including a first code indicating service information associated with a user registration, output the service request signal through the emitter, identify a second code indicating user information from a service response signal received through the receiver, and store the second code in the memory. ### Claim 2 (depends on 1) The XR device of claim 1, wherein the service request signal and the service response signal include two or more fields, and wherein the user information and the service information are configured in different fields. ### Claim 3 (depends on 1) The XR device of claim 1, wherein the service request signal and the service response signal include at least one of a first field related to an acknowledgment (ACK)/non-acknowledgment (NACK), a second field related to a transmission/reception entity, a third field related to the service information, a fourth field related to the user information, and a fifth field related to transmission complete. ### Claim 4 (depends on 3) The XR device of claim 3, wherein the service information further includes information associated with at least one of device connection, unlocking, and electronic payment, and wherein the third field is configured to include a code related to any one of the user registration, the device connection, the unlocking, and the electronic payment. ### Claim 5 (depends on 4) The XR device of claim 4, further comprising a transceiver, wherein upon generating the service request signal in which the user registration-related code is configured in the third field, the processor is configured to: store the user information included in the service response signal in the memory, and control the transceiver to transmit a wireless connection request to an electronic device providing the service response signal. ### Claim 6 (depends on 4) The XR device of claim 4, further comprising a transceiver, wherein upon generating the service request signal in which the device connection-related code is configured in the third field, the processor is configured to: compare the user information included in the service response signal with user information previously stored in the memory, and control the transceiver to transmit a wireless connection request to an electronic device providing the service response signal, based on the user information previously stored in the memory corresponding to the user information included in the service response signal. ### Claim 7 (depends on 4) The XR device of claim 4, wherein upon generating the service request signal in which the device connection-related code is configured in the third field and while maintaining wireless connection based on the user information included in the service response signal, the processor is configured to: output the service request signal in which the unlocking-related code is configured in the third field in response to identifying an unlock trigger, and deactivate an XR view on the display based on receiving an ACK signal in response to the service request signal. ### Claim 8 (depends on 4) The XR device of claim 4, wherein upon generating the service request signal in which the device connection-related code is configured in the third field and while maintaining wireless connection based on the user information included in the service response signal, the processor is configured to: output the service request signal in which the unlocking-related code is configured in the third field in response to identifying an unlock trigger, and deactivate a portion corresponding to a display screen of an electronic device outputting the service response signal, of an entire XR view area on the display based on receiving an ACK signal in response to the service request signal. ### Claim 9 (depends on 4) The XR device of claim 4, wherein upon generating the service request signal in which the device connection-related code is configured in the third field and while maintaining wireless connection based on the user information included in the service response signal, the processor is configured to output the service request signal in which the electronic payment-related code is configured in the third field in response to identifying an electronic payment trigger. ### Claim 10 (depends on 3) The XR device of claim 3, wherein the processor is configured to periodically output the service request signal and, upon identifying the first field of the service response signal as an ACK, stop outputting the service request signal. ### Claim 11 (depends on 3) The XR device of claim 3, wherein the first to fifth fields are configured as binary codes, and wherein the binary codes of the first field and the fifth field have a front and rear reversed from each other. ### Claim 12 (depends on 1) The XR device of claim 1, wherein the service request signal and the service response signal are configured as light in a near infrared wavelength band. ### Claim 13 An XR device, comprising: a transceiver; a display; memory; an optical sensor including a receiver for detecting an optical signal encoded as a barcode and an emitter for outputting the optical signal encoded as the barcode; and a processor electrically connected with the transceiver, the display, the memory, and the optical sensor, wherein the processor is configured to: generate a service request signal including a first code for device connection, and output the service request signal through the emitter, identify a second code indicating user information from a service response signal received through the receiver, and based on the user information identified from the service response signal corresponding to user information previously stored in the memory, control the transceiver to transmit a message for requesting a wireless connection to an electronic device providing the service response signal. ### Claim 14 (depends on 13) The XR device of claim 13, while the wireless connection is maintained, the processor is configured to generate an unlock request signal including service information for controlling the electronic device to switch an unlock screen of the electronic device to another application execution screen, as a plurality thereof and deactivates at least a portion of a user interface screen output on the display in response to receiving an ACK signal for the unlock request signal. ### Claim 15 An electronic device, comprising: a transceiver; a display; memory; an optical sensor including a receiver for detecting an optical signal encoded as a barcode and an emitter for outputting the optical signal encoded as the barcode; and a processor electrically connected with the transceiver, the display, the memory, and the optical sensor, wherein the processor is configured to: detect a service request signal through the receiver, generate a service response signal including user information based on identifying service information requesting device connection from the service request signal, output the service response signal through the emitter, and form a wireless connection with a device outputting the service request signal in response to receiving a wireless connection request from the device through the transceiver. ### Claim 16 (depends on 15) The electronic device of claim 15, wherein the service request signal and the service response signal include two or more fields, and wherein the user information and the service information are configured in different fields. ### Claim 17 (depends on 15) The electronic device of claim 15, wherein the service request signal and the service response signal include at least one of a first field related to an acknowledgment (ACK)/non-acknowledgment (NACK), a second field related to a transmission/reception entity, a third field related to the service information, a fourth field related to the user information, and a fifth field related to transmission complete. ### Claim 18 (depends on 17) The electronic device of claim 17, wherein the service information further includes information associated with at least one of device connection, unlocking, and electronic payment, and wherein the third field is configured to include a code related to any one of the user registration, the device connection, the unlocking, and the electronic payment. ### Claim 19 (depends on 17) The electronic device of claim 17, wherein the first to fifth fields are configured as binary codes, and wherein the binary codes of the first field and the fifth field have a front and rear reversed from each other. ### Claim 20 (depends on 15) The electronic device of claim 15, wherein the service request signal and the service response signal are configured as light in a near infrared wavelength band.