# US 10,373,391 B1 · Augmented reality system for fitness > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,373,391 B1 - Document ID: US10373391B1 - Status: Granted - Kind: B1 - Application number: 16/247,131 - Filed: 2019-01-14 - Granted: 2019-08-06 - Earliest claimed: 2018-04-23 - Applicants: AbdurRahman Bin Shahzad Bhatti; Jensen Rarig Steven Turner; Xander E. Fries - Inventors: AbdurRahman Bin Shahzad Bhatti; Jensen Rarig Steven Turner; Xander E. Fries - Web page: https://patentgrep.com/patent/US10373391B1 ## CPC - G06T 19/006: {Mixed reality (object pose determination, tracking or camera calibration for mixed reality G06T7/00)} - G01S 17/06: Systems determining position data of a target - G01S 19/47: the supplementary measurement being an inertial measurement, e.g. tightly coupled inertial - G02B 5/09: Multifaceted or polygonal mirrors {, e.g. polygonal scanning mirrors; Fresnel mirrors} - G02B 5/10: with curved faces - G02B 27/0172: {characterised by optical features} - G06F 3/011: {Arrangements for interaction with the human body, e.g. for user immersion in virtual reality (blind teaching G09B21/00)} - G06F 3/0346: with detection of the device orientation or free movement in a three-dimensional [3D] space, e.g. 3D mice, 6-DOF [six degrees of freedom] pointers using gyroscopes, accelerometers or tilt-sensors - G06T 13/40: of characters, e.g. humans, animals or virtual beings - G02B 2027/0141: {characterised by the informative content of the display} - G06T: IMAGE DATA PROCESSING OR GENERATION, IN GENERAL - G01S: RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES - G02B: OPTICAL ELEMENTS, SYSTEMS OR APPARATUS - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) ## Abstract Described herein are embodiments of methods and apparatuses for a wearable augmented reality system for fitness. The embodiments may include producing an avatar in the field of vision of the wearer, wherein a perceived position of the avatar may be controlled to aid the wearer in fitness training by establishing a controllable pace for the wearer. The embodiments may further include an optical system that produces the avatar such that it may be perceived by the wearer of the wearable augmented reality apparatus as a virtual running partner. ## Claims ### Claim 1 A wearable augmented reality apparatus comprising: a processor operationally coupled to an inertial measurement unit (IMU) and a global positioning system (GPS) unit; an optical engine operationally coupled to the processor; an optical system operationally coupled to the optical engine, the optical system including: a light source and a microdisplay configured to form an image; a collimator configured to collimate light from the image; a waveguide wherein the waveguide is configured to guide the collimated light from the collimator to a reflector through internal reflection, wherein the reflector is included inside of the waveguide; the reflector configured to reflect the collimated light to create a plurality of light point sources; and at least one Fresnel reflector configured to receive light based on the plurality of light point sources and produce a virtual image at a distance in front of an eye of a wearer of the wearable augmented reality apparatus to create an avatar at a perceived position superimposed on a field of vision of the wearer; and the processor being configured to control the optical engine to adjust the perceived position of the avatar based at least in part on data received from the IMU and the GPS unit. ### Claim 2 (depends on 1) The wearable augmented reality apparatus of claim 1, wherein the Fresnel reflector is partially transparent. ### Claim 3 (depends on 1) The wearable augmented reality apparatus of claim 1, wherein the wearable augmented reality apparatus is configured to transmit user data to a smart device and to receive avatar data from the smart device. ### Claim 4 (depends on 3) The wearable augmented reality apparatus of claim 3, wherein the optical system further includes a microdisplay, and wherein the microdisplay and the light source are configured to form the image. ### Claim 5 (depends on 4) The wearable augmented reality apparatus of claim 4, wherein the optical system further includes a beam expander configured to: receive the image from the microdisplay; and output, to the collimator, an expanded version of the image. ### Claim 6 (depends on 1) The wearable augmented reality apparatus of claim 1, wherein the plurality of light point sources created by the reflector forms a real image. ### Claim 7 (depends on 1) The wearable augmented reality apparatus of claim 1, wherein the reflector is a segmented reflector including a plurality of curved segments on a surface of the segmented reflector. ### Claim 8 (depends on 1) The wearable augmented reality apparatus of claim 1, wherein the reflector is a diffuse reflector. ### Claim 9 (depends on 1) The wearable augmented reality apparatus of claim 1, further comprising a sensor configured to measure a heart rate of the wearer. ### Claim 10 (depends on 1) The wearable augmented reality apparatus of claim 1, further comprising at least one speaker configured to output sound based on at least a portion of the data received from the IMU and the GPS unit. ### Claim 11 A method for producing an avatar for a wearable augmented reality apparatus, the method comprising: receiving data from an inertial measurement unit (IMU) and a global positioning system (GPS) unit; forming, by a light source and a microdisplay, an image; collimating, by a collimator, light from the image; guiding, by a waveguide, the collimated light from the collimator to a reflector through internal reflection, wherein the reflector is included inside of the waveguide; reflecting, by the reflector, the collimated light to create a plurality of light Point sources; receiving, by a Fresnel reflector, light based on the plurality of light point sources; producing, by the Fresnel reflector, a virtual image at a distance in front of an eye of a wearer of the wearable augmented reality apparatus to create the avatar at a perceived position superimposed on a field of vision of the wearer; and adjusting the perceived position of the avatar based at least in part on the data received from the IMU and the GPS unit. ### Claim 12 (depends on 11) The method of claim 11, wherein the Fresnel reflector is partially transparent. ### Claim 13 (depends on 11) The method of claim 11, further comprising: transmitting user data to a smart device; and receiving avatar data from the smart device. ### Claim 14 (depends on 13) The method of claim 13, wherein the image is formed using a light source and a microdisplay. ### Claim 15 (depends on 14) The method of claim 14, wherein the collimating light from the image includes collimating light from an expanded version of the image. ### Claim 16 (depends on 11) The method of claim 11, wherein the plurality of light point sources created by the reflector forms a real image. ### Claim 17 (depends on 11) The method of claim 11, wherein the plurality of light point sources are formed by a segmented reflector that includes a plurality of segments on a surface of the segmented reflector. ### Claim 18 (depends on 11) The method of claim 11, wherein the light point sources are formed by a diffuse reflector. ### Claim 19 (depends on 11) The method of claim 11, further comprising measuring a heart rate of the wearer. ### Claim 20 (depends on 11) The method of claim 11, further comprising outputting sound based on at least a portion of the data received from the IMU and the GPS unit.