# US 12,001,171 B2 · Electronic system and related devices and methods > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,001,171 B2 - Document ID: US12001171B2 - Status: Granted - Kind: B2 - Application number: 17/210,547 - Filed: 2021-03-24 - Published: 2021-10-28 - Granted: 2024-06-04 - Earliest claimed: 2020-04-24 - Assignees: Meta Platforms Technologies, LLC - Applicants: Meta Platforms Technologies, LLC - Inventors: Pranav Vasavada; Derek William Wright; Timothy Lowe; Joseph Moak; Peter Wesley Bristol; Nishant Srinivasan; Chunli Chen - Web page: https://patentgrep.com/patent/US12001171B2 ## CPC - G04B 37/1486: {Arrangements for fixing to a bracelet (building watches into bracelets (montre marquise) G04B37/12; arrangements for hanging pocket- or other watches on chains G04B37/1446)} - A44C 5/0007: {Bracelets specially adapted for other functions or with means for attaching other articles} - A44C 5/147: {Watchcase itself used as fastener} - A61B 5/389: Electromyography [EMG] - A61B 5/4519: {Muscles (measuring muscular strength A61B5/224; using electromyography [EMG] A61B5/389)} - A61B 5/681: {Wristwatch-type devices} - G04G 17/04: Mounting of electronic components - G04G 17/08: Housings - G04G 21/025: {for measuring physiological data} - G06F 1/163: {Wearable computers, e.g. on a belt} - G06F 1/1632: {External expansion units, e.g. docking stations} - G06F 1/1654: {the display being detachable, e.g. for remote use} - G06F 3/011: {Arrangements for interaction with the human body, e.g. for user immersion in virtual reality (blind teaching G09B21/00)} - G06F 3/014: {Hand-worn input/output arrangements, e.g. data gloves} - G06F 3/015: {Input arrangements based on nervous system activity detection, e.g. brain waves [EEG] detection, electromyograms [EMG] detection, electrodermal response detection} - G06F 3/016: {Input arrangements with force or tactile feedback as computer generated output to the user} - H04N 23/45: for generating image signals from two or more image sensors being of different type or operating in different modes, e.g. with a CMOS sensor for moving images in combination with a charge-coupled device [CCD] for still images - H04N 23/57: Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices - A61B 5/01: Measuring temperature of body parts {; Diagnostic temperature sensing, e.g. for malignant or inflamed tissue} (clinical contact thermometers G01K13/20) - A61B 5/0205: Simultaneously evaluating both cardiovascular conditions and different types of body conditions, e.g. heart and respiratory condition - A61B 5/02438: {with portable devices, e.g. worn by the patient} - A61B 5/0531: Measuring skin impedance - A61B 5/1112: {Global tracking of patients, e.g. by using GPS} - A61B 5/1118: {Determining activity level} - A61B 5/112: {Gait analysis} - A61B 5/14551: {for measuring blood gases} - A61B 5/7264: {Classification of physiological signals or data, e.g. using neural networks, statistical classifiers, expert systems or fuzzy systems} - A61B 2560/0443: Modular apparatus - A61B 2562/16: Details of sensor housings or probes; Details of structural supports for sensors (A61B2560/0462 takes precedence) - G04G 21/04: using radio waves (radio-controlled time-pieces G04R) - G04B: MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS (spring- or weight-driven mechanisms in general F03G; electromechanical clocks or watches G04C; electromechanical clocks with attached or built-in means operating any device at pre-selected times or after predetermined time intervals G04C23/00; clocks or watches with stop devices G04F7/08) - A44C: PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS - A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D) - G04G: ELECTRONIC TIME-PIECES - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) - H04N: PICTORIAL COMMUNICATION, e.g. TELEVISION ## Abstract Systems may include a watch band, a watch body comprising at least one image sensor configured to capture a wide-angle image, a coupling mechanism configured to detachably couple the watch body to the watch band, and at least one biometric sensor on at least one of the watch band or the watch body. ## Claims ### Claim 1 A system, comprising: a watch band; a watch body comprising at least one image sensor configured to capture a wide-angle image, the at least one image sensor having a field of view of at least 45 degrees; a coupling mechanism configured to detachably couple the watch body to the watch band; and at least one biometric sensor on at least one of the watch band or the watch body. ### Claim 2 (depends on 1) The system of claim 1, wherein: the watch body is configured to operate independently from the watch band; and the watch body and the watch band are configured to communicate with each other. ### Claim 3 (depends on 1) The system of claim 1, wherein a level of functionality of at least one of the watch band or the watch body is modified when the watch body is detached from the watch band. ### Claim 4 (depends on 1) The system of claim 1, wherein the system is configured to: determine an orientation of a display of the watch body relative to an eye gaze direction of a user; and orient content viewed on the display to the eye gaze direction of the user. ### Claim 5 (depends on 1) The system of claim 1, further comprising a head-mounted display, wherein: the watch body is communicatively coupled to the head-mounted display; and the head-mounted display is configured to display at least a portion of the captured wide-angle image. ### Claim 6 (depends on 5) The system of claim 5, further comprising at least one neuromuscular sensor, wherein: the watch body is configured to transmit data captured by the at least one neuromuscular sensor to the head-mounted display; and the data captured by the at least one neuromuscular sensor comprises a muscle intention of a user. ### Claim 7 (depends on 6) The system of claim 6, wherein the head-mounted display is configured to enhance a user interaction with an object within an artificial-reality environment based on the muscle intention. ### Claim 8 (depends on 1) The system of claim 1, further comprising a head-mounted display, wherein the watch band further comprises a haptic actuator that is configured to provide haptic feedback to a user based on at least one of instructions from the watch body or instructions from the head-mounted display. ### Claim 9 (depends on 1) The system of claim 1, wherein the coupling mechanism is configured to: couple the watch body to the watch band by application of at least one of: a substantially linear force to the watch body towards the watch band in a first direction; or a substantially rotational force to the watch body relative to the watch band in a second direction; and decouple the watch body from the watch band by application of at least one of: a substantially linear force to the watch body towards the watch band in a third direction opposite the first direction; or a substantially rotational force to the watch body relative to the watch band in a fourth direction opposite the second direction. ### Claim 10 (depends on 1) The system of claim 1, wherein the coupling mechanism comprises: at least one spring-loaded button disposed on the watch body; at least one first magnet disposed on the watch body; at least one second magnet disposed on the watch band, wherein a magnetic attraction between the at least one first magnet and the at least one second magnet aligns the watch body relative to the watch band prior to coupling the watch body to the watch band; and at least one pin configured to retract and to decouple the watch body from the watch band as a result of pressing the at least one spring-loaded button. ### Claim 11 (depends on 1) The system of claim 1, wherein the coupling mechanism comprises: at least one spring-loaded button disposed on the watch body, wherein pressing the at least one spring-loaded button is configured to cause at least one of: modifying a function of the watch body; or decoupling the watch body from the watch band. ### Claim 12 (depends on 1) The system of claim 1, wherein the watch band comprises: a first profile between the watch body and the watch band along a first perimeter edge of the watch band; and a second profile between the watch body and the watch band along a second perimeter edge of the watch band, wherein: the watch body and the watch band are not in contact with each other along the first profile when the watch body is coupled to the watch band; and the watch body and the watch band are in contact with each other along at least a portion of the second profile when the watch body is coupled to the watch band. ### Claim 13 (depends on 1) The system of claim 1, wherein: the at least one image sensor comprises a first image sensor and a second image sensor; the first image sensor is oriented to capture a first wide-angle image in a first direction; the second image sensor is oriented to capture a second wide-angle image in a second direction opposite the first direction; and a processor of the system is configured to stitch the first wide-angle image and the second wide-angle image together to create a combined image. ### Claim 14 (depends on 1) The system of claim 1, wherein: the at least one biometric sensor is disposed on a rear face of the watch body; and the at least one biometric sensor is configured to be activated in response to the watch body being attached to the watch band. ### Claim 15 A wearable device, comprising: a watch band; a watch body comprising (i) a front face, (ii) a rear face opposite the front face, (iii) a first image sensor in the front face; and (iv) a second image sensor in the rear face; a coupling mechanism configured to detachably couple the watch body to the watch band; one or more processors; and memory storing one or more programs configured to be executed by the one or more processors, the one or more programs including instructions for: detecting, at a first time, that the watch body is coupled to the watch band via the coupling mechanism; in response to detecting that the watch body is coupled to the watch band via the coupling mechanism, permitting activation of the first image sensor by a user; detecting, at a second time, that the watch body is not coupled to the watch band via the coupling mechanism; and in response to detecting that the watch body is not coupled to the watch band via the coupling mechanism, activating the second image sensor without user input. ### Claim 16 (depends on 15) The wearable device of claim 15, wherein the one or more programs further include instructions for prohibiting activation of the second image sensor by the user in response to detecting that the watch body is coupled to the watch band via the coupling mechanism. ### Claim 17 (depends on 15) The wearable device of claim 15, further comprising at least one proximity sensor coupled to at least one of the watch band, the watch body, or the coupling mechanism, the at least one proximity sensor being configured to determine coupling between the watch body and the watch band, wherein detecting that the watch body is coupled to the watch band comprises evaluating coupling data generated by the at least one proximity sensor. ### Claim 18 (depends on 15) The wearable device of claim 15, further comprising one or more electrical contacts that connect when the watch body is coupled to the watch band, wherein detecting that the watch body is coupled to the watch band comprises detecting an electrical connection between the one or more electrical contacts. ### Claim 19 (depends on 15) The wearable device of claim 15, wherein the one or more programs further include instructions for: receiving test image data from the second image sensor; and determining whether the test image data satisfies an image capture criterion, wherein: the image capture criterion determines a proximity of the watch body to the watch band; and activating the second image sensor is performed in response to determining that the test image data satisfies the image capture criterion. ### Claim 20 A non-transitory computer-readable medium encoded with instructions that, when executed by at least one computer processor, performs: determining at least one computing task; determining whether to perform the at least one computing task on a watch body or a head-mounted display (HMD); performing the at least one computing task on the watch body or the HMD based on the determination of whether to perform the at least one computing task on the watch body or the HMD; sending results of the at least one computing task to the watch body when the HMD performs the at least one computing task; and sending results of the at least one computing task to the HMD when the watch body performs the at least one computing task.