# US 12,214,271 B2 · Sensor module and weight exercise apparatus including the same > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,214,271 B2 - Document ID: US12214271B2 - Status: Granted - Kind: B2 - Application number: 18/089,046 - Filed: 2022-12-27 - Published: 2023-06-29 - Granted: 2025-02-04 - Earliest claimed: 2021-12-28 - Assignees: Drax Inc. - Applicants: Drax Inc. - Inventors: Seon Kyung Yoo - Web page: https://patentgrep.com/patent/US12214271B2 ## CPC - A63B 21/063: {Weight selecting means} - A63B 71/0619: {Displays, user interfaces and indicating devices, specially adapted for sport equipment, e.g. display mounted on treadmills} - A63B 2071/065: {Visualisation of specific exercise parameters} - A63B 2220/10: Positions - A63B 2220/13: Relative positions - A63B 2220/20: Distances or displacements - A63B 2220/52: Weight, e.g. weight distribution - A63B 2220/62: Time or time measurement used for time reference, time stamp, master time or clock signal - A63B 2220/64: Frequency, e.g. of vibration oscillation - A63B 2220/72: Temperature - A63B 2220/75: Humidity - A63B 2220/805: Optical or opto-electronic sensors - A63B 2225/50: Wireless data transmission, e.g. by radio transmitters or telemetry - A63B: APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT (apparatus for passive exercising, massage A61H) ## Abstract Provided is a weight exercise apparatus. The weight exercise apparatus includes an exercise main body in which movement occurs according to the user's weight exercise, a sensor module detecting movement of the exercise main body, and a processor configured to control a UI unit to display a UI element indicating an exercise state of a user corresponding to the detected movement on a UI screen, wherein the sensor module includes a first laser sensor comprising a first measurement accuracy and a first measurement frequency to detect weight setting of the exercise main body when the weight plate is in a stationary state and a second laser sensor comprising a second measurement accuracy lower than the first measurement accuracy and a second measurement frequency higher than the first measurement frequency to detect movement of the weight plate when the weight plate is in a moving state. ## Claims ### Claim 1 A weight exercise apparatus comprising: an exercise main body comprising a plurality of weight plates; a sensor module configured to detect a weight setting of the exercise main body and movement of a weight plate of the plurality of weight plates; a user interface unit configured to output a user interface screen; a memory storing at least one instruction; and a processor configured to control the user interface unit to display a user interface element indicating an exercise state of a user corresponding to the detected movement on the user interface screen, by executing the at least one instruction, wherein the sensor module comprises: a first laser sensor comprising a first measurement accuracy and a first measurement frequency to detect the weight setting of the exercise main body when the weight plate of the plurality of weight plates is in a stationary state; and a second laser sensor comprising a second measurement accuracy lower than the first measurement accuracy and a second measurement frequency higher than the first measurement frequency to detect movement of the weight plate of the plurality of weight plates when the weight plate of the plurality of weight plates is in a moving state. ### Claim 2 (depends on 1) The weight exercise apparatus of claim 1, wherein the first laser sensor is arranged to detect a position of a pin structure to detect the weight setting of the weight exercise apparatus. ### Claim 3 (depends on 2) The weight exercise apparatus of claim 2, wherein the second laser sensor is arranged to detect the position of the pin structure. ### Claim 4 (depends on 2) The weight exercise apparatus of claim 2, wherein the second laser sensor is arranged to detect a position that is different from the position measured by the first laser sensor. ### Claim 5 (depends on 4) The weight exercise apparatus of claim 4, wherein the second laser sensor is arranged to detect a position of a surface of the weight plate of the plurality of weight plates. ### Claim 6 (depends on 1) The weight exercise apparatus of claim 1, wherein the first measurement frequency is once to 10 times per second, and the second measurement frequency is 5 times to 200 times per second. ### Claim 7 (depends on 6) The weight exercise apparatus of claim 6, wherein the first measurement accuracy has an error range of 5 mm or less, and the second measurement accuracy has an error range of 15 mm or less. ### Claim 8 (depends on 1) The weight exercise apparatus of claim 1, wherein the processor is further configured to control the user interface unit to display the user interface element on the user interface screen according to information detected by the second laser sensor based on whether a position of the weight plate of the plurality of weight plates moves, by executing the at least one instruction. ### Claim 9 (depends on 2) The weight exercise apparatus of claim 2, wherein the first laser sensor is arranged to irradiate a laser beam toward a reference surface, when the pin structure is arranged on the weight plate of the plurality of weight plates, the pin structure is arranged between the reference surface and the first laser sensor and the laser beam irradiated from the first laser sensor is irradiated to the pin structure without being irradiated to the reference surface, and when an Nth measured distance measured by the first laser sensor is matched to a maximum distance that is a distance between the first laser sensor and the reference surface, and an (N+1)th measured distance measured thereafter by the first laser sensor is less than the maximum distance, the processor is further configured to determine weight setting of the exercise main body based on the (N+1)th measured distance. ### Claim 10 (depends on 1) The weight exercise apparatus of claim 1, wherein the processor is further configured to, by executing the at least one instruction: when a difference between a preset zero-point distance and a measured distance measured by the second laser sensor is greater than a reference distance, control the user interface unit to move a position of the user interface element based on the difference; and when the difference between the zero-point distance and the measured distance measured by the second laser sensor is less than or equal to the reference distance, control the user interface unit to maintain the position of the user interface element. ### Claim 11 A sensor module to detect a weight setting of a weight exercise apparatus comprising a plurality of weight plates and movement of a weight plate of the plurality of weight plates, the sensor module comprising: a first laser sensor comprising a first measurement accuracy and a first measurement frequency to detect the weight setting of the weight exercise apparatus when the weight plate of the plurality of weight plates is in a stationary state; and a second laser sensor comprising a second measurement accuracy lower than the first measurement accuracy and a second measurement frequency higher than the first measurement frequency to detect movement of the weight plate of the plurality of weight plates when the weight plate of the plurality of weight plates is in a moving state. ### Claim 12 (depends on 11) The sensor module of claim 11, wherein the first laser sensor is arranged to detect a position of a pin structure configured to set a weight of the weight exercise apparatus. ### Claim 13 (depends on 12) The sensor module of claim 12, wherein the second laser sensor is arranged to detect the position of the pin structure. ### Claim 14 (depends on 12) The sensor module of claim 12, wherein the second laser sensor is arranged to detect a position that is different from the position measured by the first laser sensor. ### Claim 15 (depends on 14) The sensor module of claim 14, wherein the second laser sensor is further arranged to detect a position of a surface of the weight plate. ### Claim 16 (depends on 11) The sensor module of claim 11, wherein the first measurement frequency is once to 10 times per second, and the second measurement frequency is 5 times to 200 times per second. ### Claim 17 (depends on 16) The sensor module of claim 16, wherein the first measurement accuracy has an error range of 5 mm or less, and the second measurement accuracy has an error range of 15 mm or less. ### Claim 18 A weight exercise apparatus comprising: an exercise main body comprising a plurality of weight plates; a sensor module configured to detect a weight setting of the exercise main body and movement of a weight plate of the plurality of weight plates; a user interface unit configured to output a user interface screen; a memory storing at least one instruction; and a processor configured to control the user interface unit to display a user interface element indicating an exercise state of a user corresponding to the detected movement on the user interface screen, by executing the at least one instruction, wherein the sensor module comprises: a first sensing mode comprising a first measurement accuracy and a first measurement frequency to detect the weight setting of the exercise main body when the weight plate is in a stationary state; and a second sensing mode comprising a second measurement accuracy lower than the first measurement accuracy and a second measurement frequency higher than the first measurement frequency to detect movement of a weight plate of the plurality of weight plates when a weight plate of the plurality of weight plates is in a moving state. ### Claim 19 (depends on 18) The weight exercise apparatus of claim 18, wherein the sensor module is arranged to detect a position of a pin structure to detect the weight setting of the weight exercise apparatus.