# US 12,005,561 B2 · Multi-modal sensing for power tool user interface > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,005,561 B2 - Document ID: US12005561B2 - Status: Granted - Kind: B2 - Application number: 17/930,677 - Filed: 2022-09-08 - Published: 2023-04-06 - Granted: 2024-06-11 - Earliest claimed: 2017-01-04 - Assignees: Interlink Electronics, Inc. - Applicants: Interlink Electronics, Inc. - Inventors: Chee Wai Lu; Wai Jye Chan; Kok Keong Law; Cheng Seong Lee - Web page: https://patentgrep.com/patent/US12005561B2 ## CPC - B25F 5/00: Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for - B25F 5/02: Construction of casings, bodies or handles {(B25F5/006, B25F5/008 take precedence)} - G01L 5/22: for measuring the force applied to control members, e.g. control members of vehicles, triggers - G06V 40/28: {Recognition of hand or arm movements, e.g. recognition of deaf sign language (static hand signs G06V40/113)} - G08B 21/18: Status alarms (G08B21/02 takes precedence) - B25B 21/00: Portable power-driven screw or nut setting or loosening tools; (details or components, e.g. casings, bodies, of portable power-driven tools not particularly related to the operation performed B25F5/00; {for mounting or dismounting wheels B60B29/006}); Attachments for drilling apparatus serving the same purpose (machines B23P19/06) - B25F: COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR {(machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass B23P23/00 and subgroups)} - G01L: MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE (weighing G01G) - G06V: IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING - G08B: SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS - B25B: TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING, OR HOLDING ## Abstract A method may include receiving data from one or more sensing elements associated with a power tool. The method may also include measuring the detected data. The method may further include computing one or more data parameters based on the measuring. The method may include determining whether to permit operation of the power tool based on the data parameters. The method may further include permitting operation of the power tool when the data parameters satisfy an operation condition. The method may also include altering operation of the power tool when the data parameters does not satisfy the operation condition by performing at least one of: generating an alarm, or preventing operation of the power tool. ## Claims ### Claim 1 A method, comprising: obtaining data from a sensor configured to monitor one or more physiological characteristics of a user operating a power tool; determining a force profile applied in a first direction to an activation switch of the power tool, a force applied by the power tool to an item acted upon by the power tool being in a second direction opposite of the first direction; activating operation of the power tool in response to the force profile satisfying an activation force associated with a selected profile of the user of a plurality of user profiles associated with the power tool, wherein at least two of the plurality of user profiles include different activation forces; analyzing a physiological characteristic of the user using the data; and in response to the analysis of the physiological characteristic, directing an adjustment of an operating parameter of the power tool operated by the user. ### Claim 2 (depends on 1) The method of claim 1, wherein the physiological characteristic of the user includes a heart rate of the user. ### Claim 3 (depends on 2) The method of claim 2, wherein the physiological characteristic of the user includes a heart rate recovery time of the user. ### Claim 4 (depends on 1) The method of claim 1, wherein the physiological characteristic of the user includes respiration of the user. ### Claim 5 (depends on 1) The method of claim 1, wherein adjusting an operating parameter of the power tool operated by the user includes generating a haptic feedback signal. ### Claim 6 (depends on 1) The method of claim 1, wherein the power tool includes the sensor configured to monitor the one or more physiological characteristics of the user. ### Claim 7 One or more non-transitory computer-readable media configured to store instructions, the instructions causing or directing one or more devices and/or systems to perform operations, the operations comprising: obtaining data from a sensor configured to monitor one or more physiological characteristics of a user operating a power tool; determining a force profile applied in a first direction to an activation switch of the power tool, a force applied by the power tool to an item acted upon by the power tool being in a second direction opposite of the first direction; activating operation of the power tool in response to the force profile satisfying an activation force associated with a selected profile of the user of a plurality of user profiles associated with the power tool, wherein at least two of the plurality of user profiles include different activation forces; analyzing a physiological characteristic of the user using the data; and in response to the analysis of the physiological characteristic, directing an adjustment of an operating parameter of the power tool operated by the user. ### Claim 8 (depends on 7) The computer-readable media of claim 7, wherein the physiological characteristic of the user includes a heart rate of the user. ### Claim 9 (depends on 8) The computer-readable media of claim 8, wherein the physiological characteristic of the user includes a heart rate recovery time of the user. ### Claim 10 (depends on 7) The computer-readable media of claim 7, wherein the physiological characteristic of the user includes respiration of the user. ### Claim 11 (depends on 7) The computer-readable media of claim 7, wherein adjusting an operating parameter of the power tool operated by the user includes generating a haptic feedback signal. ### Claim 12 (depends on 7) The computer-readable media of claim 7, wherein the power tool includes the sensor configured to monitor the one or more physiological characteristics of the user. ### Claim 13 A power tool comprising: one or more non-transitory computer-readable media configured to store instructions; and one or more processors coupled to the computer-readable media and configured to execute the instructions to cause the power tool to perform operations, the operations comprising: obtaining data from a sensor configured to monitor one or more physiological characteristics of a user operating the power tool; determining a force profile applied in a first direction to an activation switch of the power tool, a force applied by the power tool to an item acted upon by the power tool being in a second direction opposite of the first direction; activating operation of the power tool in response to the force profile satisfying an activation force associated with a selected profile of the user of a plurality of user profiles associated with the power tool, wherein at least two of the plurality of user profiles include different activation forces; analyzing a physiological characteristic of the user using the data; and in response to the analysis of the physiological characteristic, directing an adjustment of an operating parameter of the power tool operated by the user. ### Claim 14 (depends on 13) The power tool of claim 13, wherein the physiological characteristic of the user includes a heart rate of the user. ### Claim 15 (depends on 14) The power tool of claim 14, wherein the physiological characteristic of the user includes a heart rate recovery time of the user. ### Claim 16 (depends on 13) The power tool of claim 13, wherein the physiological characteristic of the user includes respiration of the user. ### Claim 17 (depends on 13) The power tool of claim 13, wherein adjusting an operating parameter of the power tool operated by the user includes generating a haptic feedback signal. ### Claim 18 (depends on 13) The power tool of claim 13, wherein the power tool includes the sensor configured to monitor the one or more physiological characteristics of the user.