# US 10,307,641 B2 · Exercise tracker > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,307,641 B2 - Document ID: US10307641B2 - Status: Granted - Kind: B2 - Application number: 15/444,419 - Filed: 2017-02-28 - Published: 2017-06-22 - Granted: 2019-06-04 - Earliest claimed: 2015-01-09 - Applicants: Nolan Orfield - Inventors: Nolan Orfield - Web page: https://patentgrep.com/patent/US10307641B2 ## CPC - A63B 24/0062: {Monitoring athletic performances, e.g. for determining the work of a user on an exercise apparatus, the completed jogging or cycling distance} - A63B 21/06: User-manipulated weights - A63B 21/0628: {for vertical array of weights} - A63B 21/151: {Using flexible elements for reciprocating movements, e.g. ropes or chains} - A63B 22/0076: {Rowing machines for conditioning the cardio-vascular system (seats moving during exercise A63B22/0087; training appliances for rowing or sculling on boats A63B69/06)} - A63B 71/0622: {Visual, audio or audio-visual systems for entertaining, instructing or motivating the user} - A63B 21/00061: {Replaceable resistance units of different strengths, e.g. for swapping} - A63B 21/00069: {Setting or adjusting the resistance level; Compensating for a preload prior to use, e.g. changing length of resistance or adjusting a valve} - A63B 21/0552: {Elastic ropes or bands} - A63B 21/4034: {for operation by feet} - A63B 21/4035: {for operation by hand} - A63B 23/0494: {primarily by articulating the knee joints (A63B23/0405, A63B23/0476 take precedence)} - A63B 2022/0079: {with a pulling cable} - A63B 2071/065: {Visualisation of specific exercise parameters} - A63B 2220/17: Counting, e.g. counting periodical movements, revolutions or cycles, or including further data processing to determine distances or speed - A63B 2220/40: Acceleration - A63B 2220/51: Force - A63B 2220/56: Pressure - A63B 2220/805: Optical or opto-electronic sensors - A63B 2225/02: Testing, calibrating or measuring of equipment - A63B 2225/15: with identification means that can be read by electronic means - A63B 2225/50: Wireless data transmission, e.g. by radio transmitters or telemetry - G09B 5/00: Electrically-operated educational appliances (working with questions and answers G09B7/00; simulators G09B9/00; advertising or displaying in general G09F) - H04M 1/72412: using two-way short-range wireless interfaces - A63B: APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT (apparatus for passive exercising, massage A61H) - G09B: EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS (devices for psychotechnics or for testing reaction times A61B5/16; games, sports, amusements A63; projectors, projector screens G03B) - H04M: TELEPHONIC COMMUNICATION (circuits for controlling other apparatus via a telephone cable and not involving telephone switching apparatus G08) ## Abstract An exercise tracker includes a force sensor programmed to output a force signal representing a force applied to a cable associated with a piece of exercise equipment. The exercise tracker further includes a processing device programmed to receive the force signal and determine, from the force signal, exercise data including an amount of weight lifted. ## Claims ### Claim 1 An exercise tracker comprising: a base; a plurality of protrusions, extending from the base, for contacting a cable associated with a piece of exercise equipment having a variable weight stack and a pulley for receiving the cable, wherein the plurality of protrusions are configured to attach the base to the cable between the pulley and the variable weight stack, wherein a location of one of the plurality of protrusions is adjustable via a positioning screw, and wherein the base moves in accordance with movement of the cable; a force sensor programmed to output a force signal representing a force applied to the cable; and a processor programmed to receive the force signal and determine, from the force signal, exercise data including an amount of weight lifted. ### Claim 2 (depends on 1) The exercise tracker of claim 1, wherein the force sensor includes a tension meter disposed on the cable, and wherein the force sensor is programmed to output the force signal in response to tensioning the cable. ### Claim 3 (depends on 1) The exercise tracker of claim 1, further comprising a data storage medium, wherein the processor is programmed to store the exercise data in the data storage medium. ### Claim 4 (depends on 1) The exercise tracker of claim 1, further comprising a wireless communication device programmed to wirelessly transmit the exercise data. ### Claim 5 (depends on 1) The exercise tracker of claim 1, further comprising an accelerometer programmed to detect movement of the exercise tracker and output signals to the processor, wherein the processor is programmed to determine a number of calories burned based at least in part on the signals output by the accelerometer. ### Claim 6 (depends on 1) The exercise tracker of claim 1, further comprising a battery electrically connected to at least one of the force sensor and the processor. ### Claim 7 (depends on 6) The exercise tracker of claim 6, wherein the battery is configured to receive electrical energy generated by moving the cable. ### Claim 8 (depends on 1) The exercise tracker of claim 1, wherein the one of the plurality of protrusions is cantilevered from the base. ### Claim 9 (depends on 8) The exercise tracker of claim 8, wherein tensioning the cable deflects the one of the plurality of protrusions in a direction perpendicular to a direction of the tensioning of the cable. ### Claim 10 (depends on 8) The exercise tracker of claim 8, wherein the force sensor is disposed on or by at least one of the plurality of protrusions. ### Claim 11 (depends on 1) The exercise tracker of claim 1, wherein the cable includes a first cable segment and a second cable segment, and wherein the force sensor is disposed between the first and second cable segments and configured to measure a force applied to at least one of the first and second cable segments. ### Claim 12 A system comprising: a remote device; and an exercise tracker, fixed to a cable of a piece of exercise equipment, and programmed to determine an amount of weight lifted and a number of repetitions performed in accordance with a deflection by the cable of one of a plurality of protrusions of the exercise tracker, wherein a location of the one of the plurality of protrusions is adjustable via a positioning screw, wherein the piece of exercise equipment further includes a variable weight stack and a pulley for receiving the cable and wherein the exercise tracker is configured to attach to the cable between the pulley and the variable weight stack, wherein the exercise tracker is programmed to wirelessly transmit the amount of weight lifted and the number of repetitions performed to the remote device, and wherein the exercise tracker moves in accordance with movement of the cable. ### Claim 13 (depends on 12) The system of claim 12, wherein the exercise tracker includes a force sensor disposed on one of the plurality of protrusions and configured to detect a force applied to the cable and programmed to generate a force signal in accordance with the force applied to the cable. ### Claim 14 (depends on 12) The system of claim 12, wherein the exercise tracker includes a data storage medium programmed to store the amount of weight lifted and the number of repetitions performed. ### Claim 15 (depends on 12) The system of claim 12, wherein the exercise tracker includes a wireless communication device programmed to wirelessly transmit the amount of weight lifted and the number of repetitions performed to the remote device. ### Claim 16 (depends on 12) The system of claim 12, wherein the exercise tracker includes an accelerometer programmed to detect movement of the exercise tracker and generate signals corresponding to the movement of the exercise tracker, wherein the exercise tracker is programmed to determine the amount of weight lifted and the number of repetitions performed based at least in part on the signals generated by the accelerometer. ### Claim 17 (depends on 12) The system of claim 12, wherein the exercise tracker includes a base and wherein the one of the plurality of protrusions is cantilevered from the base. ### Claim 18 (depends on 17) The system of claim 17, wherein tensioning the cable deflects the one of the plurality of protrusions in a direction perpendicular to a direction of the tensioning of the cable. ### Claim 19 (depends on 12) The system of claim 12, wherein the exercise tracker is disposed on the cable between the pulley and the variable weight stack of the piece of exercise equipment. ### Claim 20 An exercise system comprising: exercise equipment having a variable weight stack, a pulley, and a cable attached to the variable weight stack and passed through the pulley; and an exercise tracker attached to the cable, the exercise tracker having: a base; a plurality of protrusions extending from the base, wherein a location of one of the plurality of protrusions is adjustable via a positioning screw, and wherein the exercise tracker is configured to move vertically in accordance with movement of the cable; a force sensor programmed to output a force signal representing a force applied to the cable; and a processor programmed to receive the force signal and determine, from the force signal, exercise data including an amount of weight lifted.