# US 2026/0096944 A1 · Method for controlling wearable device to output visual guide and electronic device performing the method > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2026/0096944 A1 - Document ID: US20260096944A1 - Status: Published application - Kind: A1 - Application number: 19/348,552 - Filed: 2025-10-02 - Published: 2026-04-09 - Earliest claimed: 2024-10-07 - Assignees: Samsung Electronics Co., Ltd. - Applicants: Samsung Electronics Co., Ltd. - Inventors: Kawon CHEON; Seungjoon LEE - Web page: https://patentgrep.com/patent/US20260096944A1 ## CPC - A61H 3/00: Appliances for aiding patients or disabled persons to walk about (apparatus for helping babies to walk A47D13/04 {; applying electrical currents by contact electrodes for stimulating motor muscles, e.g. walking assistance A61N1/36003}) - A61B 5/11: Measuring movement of the entire body or parts thereof, e.g. head or hand tremor or mobility of a limb {(A61B5/1038 takes precedence; motion detection to correct for motion artifacts in physiological signals A61B5/721)} - A61H 1/0244: {Hip (A61H1/0255 takes precedence)} - B25J 9/00: Program-controlled manipulators - B25J 9/16: Program controls (total factory control, i.e. centrally controlling a plurality of machines, G05B19/418) - A61H 2201/0188: Illumination related features - A61H 2201/1215: Rotary drive - A61H 2201/164: Feet or leg, e.g. pedal - A61H 2201/165: Wearable interfaces - A61H 2201/5069: Angle sensors - A61H 2201/5084: Acceleration sensors - A61H: PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY (electrotherapy, magnetotherapy, radiation therapy or ultrasound therapy A61N) - A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D) - B25J: MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES ({manipulators specially adapted for use in surgery A61B34/70; manipulators used in cleaning hollow articles B08B9/04}; manipulators associated with rolling mills B21B39/20; manipulators associated with forging machines B21J13/10; {manipulators associated with picking-up and placing mechanisms B23P19/007}; means for holding wheels or parts thereof B60B30/00; {vehicles with ground-engaging propulsion means, e.g. walking members B62D57/02, B62D57/032; devices for picking-up and depositing articles or materials between conveyors B65G47/90, B65G47/91; manipulators with gripping or holding means for transferring packages B65H67/065}; cranes B66C; {manipulators used in the protection or supervision of pipe-line installations F17D5/00; walking equipment adapted for nuclear steam-generators F22B37/006}; manipulators specially adapted for, or associated with, nuclear reactors G21C; {apparatus used for handling wafers during manufacture or treatment of semiconductor H10P72/50}) ## Abstract A method, performed by an electronic device, for controlling a wearable device, may include acquiring sensor data generated by an angle sensor of the wearable device, generating gait information of a user wearing the wearable device based on the sensor data, determining whether a position of a first leg of the user corresponds to a target position based on the sensor data, and when the position of the first leg corresponds to the target position, controlling the wearable device so that a first visual guide associated with the first leg is output at a first position based on the gait information. ## Claims ### Claim 1 An electronic device comprising: at least one processor comprising processing circuitry; and memory comprising one or more storage media storing instructions, wherein the instructions, when executed individually and/or collectively by the at least one processor, cause the electronic device to: acquire sensor data generated by an angle sensor of a wearable device, generate gait information of a user wearing the wearable device based on the sensor data, determine whether a position of a first leg of the user corresponds to a target position based on the sensor data, and when the position of the first leg corresponds to the target position, control the wearable device so that a first visual guide associated with the first leg is output at a first position based on the gait information. ### Claim 2 (depends on 1) The electronic device of claim 1, wherein the gait information comprises at least one of a step length and/or a walking speed of the user. ### Claim 3 (depends on 2) The electronic device of claim 2, wherein the instructions, when executed individually and/or collectively by the at least one processor, cause the electronic device to: determine the walking speed of the user at least by employing a walking speed estimation model with the sensor data as input. ### Claim 4 (depends on 3) The electronic device of claim 3, wherein the instructions, when executed individually and/or collectively by the at least one processor, cause the electronic device to: input, to the walking speed estimation model, acceleration data and angular velocity data generated by an inertial measurement unit (IMU) of the wearable device and the sensor data generated by the angle sensor, and output the walking speed based on the acceleration data, the angular velocity data, and the sensor data input to the walking speed estimation model. ### Claim 5 (depends on 1) The electronic device of claim 1, wherein the target position corresponds to a position where the first leg has a maximum and/or large angle in a forward direction. ### Claim 6 (depends on 1) The electronic device of claim 1, wherein the first position corresponds to a position ahead by a preset first step length from a landing position of the first leg in the walking direction of the user. ### Claim 7 (depends on 1) The electronic device of claim 1, wherein the instructions, when executed individually and/or collectively by the at least one processor, cause the electronic device to: after the first visual guide has been output at the first position, determine, based on the gait information, a first adjustment position at which the first visual guide is to be output, and control the wearable device so that the first visual guide is output at the first adjustment position. ### Claim 8 (depends on 1) The electronic device of claim 1, wherein the instructions, when executed individually and/or collectively by the at least one processor, cause the electronic device to: when the position of the first leg corresponds to the target position, control the wearable device based on the gait information so that a second visual guide associated with the first leg is output at a second position. ### Claim 9 (depends on 8) The electronic device of claim 8, wherein the first position corresponds to a first landing position of the first leg, and the second position corresponds to a second landing position of the first leg. ### Claim 10 (depends on 8) The electronic device of claim 8, wherein the first position corresponds to a position ahead by an average step length from the landing position of the first leg in the walking direction of the user, and the second position corresponds to a position ahead by a target step length from the landing position of the first leg in the walking direction of the user. ### Claim 11 (depends on 8) The electronic device of claim 8, wherein the first visual guide output at the first position has a shape based on a current walking posture of the user, and the second visual guide output at the second position has a shape based on a target walking posture of the user. ### Claim 12 (depends on 1) The electronic device of claim 1, wherein the instructions, when executed individually and/or collectively by the at least one processor, cause the electronic device to: while the first visual guide is output, control the wearable device to output, in association with the first visual guide, a gradually decreasing numeric count. ### Claim 13 (depends on 1) The electronic device of claim 1, wherein the instructions, when executed individually and/or collectively by the at least one processor, cause the electronic device to: acquire a target walking path of the wearable device, and determine the first position of the first visual guide so that a current walking path of the wearable device corresponds to the target walking path. ### Claim 14 (depends on 1) The electronic device of claim 1, wherein the instructions, when executed individually and/or collectively by the at least one processor, cause the electronic device to: determine the landing position of the first leg, and when the landing position corresponds to the first position, output a sound. ### Claim 15 (depends on 1) The electronic device of claim 1, wherein the instructions, when executed individually and/or collectively by the at least one processor, cause the electronic device to: determine a gaze direction of the user, and when the gaze direction does not correspond to a preset direction, control the wearable device so that the first visual guide is not output. ### Claim 16 (depends on 1) The electronic device of claim 1, wherein the electronic device is included in the wearable device. ### Claim 17 A method, performed by an electronic device, of controlling a wearable device, the method comprising: acquiring sensor data generated by a sensor of the wearable device; generating gait information of a user wearing the wearable device based on the sensor data; determining whether a position of a first leg of the user corresponds to a target position based on the sensor data; and when the position of the first leg corresponds to the target position, controlling the wearable device so that a first visual guide associated with the first leg is output at a first position based on the gait information. ### Claim 18 (depends on 17) A computer-readable storage medium storing a computer program that, when executed by a processor, causes the processor to perform the method of claim 17. ### Claim 19 A wearable device comprising: a base body configured to be positioned proximate a waist part of a user when the wearable device is worn on a body of the user; a waist support frame and a leg support frame configured to support at least a portion of the body of the user; a thigh fastener configured to attach the leg support frame to a thigh of the user; an inertial measurement unit (IMU), comprising a sensor, disposed in the base body; a driving module, comprising a motor and/or circuitry, configured to generate torque to be applied to a leg of the user, wherein the driving module is configured to be positioned between the waist support frame and the leg support frame; one or more optical output devices configured for outputting a visual guide on the ground; at least one processor comprising processing circuitry; and memory comprising one or more storage media storing instructions. ### Claim 20 (depends on 19) The wearable device of claim 19, wherein a first optical output device among the one or more optical output devices is provided on the driving module and configured to output a first visual guide in front of the user when the wearable device is worn on a body of the user.