# US 2021/0344371 A1 · System for optimized use of device with tool driven by a prime mover > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2021/0344371 A1 - Document ID: US20210344371A1 - Status: Published application - Kind: A1 - Application number: 17/280,949 - Filed: 2019-10-10 - Published: 2021-11-04 - Earliest claimed: 2018-10-16 - Assignees: Walbro Corporation - Applicants: Walbro LLC - Inventors: Gerald J. LaMarr, Jr. - Web page: https://patentgrep.com/patent/US20210344371A1 ## CPC - H04B 1/3877: Arrangements for enabling portable transceivers to be used in a fixed position, e.g. cradles or boosters - A01B 69/00: Steering of agricultural machines or implements; Guiding agricultural machines or implements on a desired track - G01C 21/005: {with correlation of navigation data from several sources, e.g. map or contour matching (G01C21/30 takes precedence)} - G01S 5/0027: {of actual mobile position, i.e. position determined on mobile} - G01S 19/14: specially adapted for specific applications - A01B 39/18: for weeding - H04B: TRANSMISSION - A01B: SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL (making or covering furrows or holes for sowing, planting or manuring A01C5/00; mowers convertible to soil working apparatus or capable of soil working A01D42/04; mowers combined with soil working implements A01D43/12; soil working for engineering purposes E01, E02, E21) - G01C: MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY (measuring liquid level G01F; radio navigation, determining distance or velocity by use of propagation effects, e.g. Doppler effects, propagation time, of radio waves, analogous arrangements using other waves G01S) - 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 ## Abstract In at least some implementations, a method of directing use of a handheld device including a tool which is used to perform work on a property, includes analyzing the property to determine at least one area in which work is to be performed, determining a starting point for the work, determining an ending point for the work, determining a work path to be taken by a user between the starting point and the ending point, and communicating the work path to a user of the handheld device. The communication may occur via a screen of a portable electronic device, like a phone, tablet or a dedicated display for the device. ## Claims ### Claim 1 A method of directing use of a handheld device including a tool which is used to perform work on a property, comprising: analyzing the property to determine at least one area in which work is to be performed; determining a starting point for the work; determining an ending point for the work; determining a work path to be taken by a user between the starting point and the ending point; and communicating the work path to a user of the handheld device. ### Claim 2 (depends on 1) The method of claim 1 which includes a separate work path for each tool for which work is to be performed on the property. ### Claim 3 (depends on 2) The method of claim 2 wherein each work path is displayed simultaneously on a display. ### Claim 4 (depends on 2) The method of claim 2 wherein the work paths are displayed one at a time on a display. ### Claim 5 (depends on 1) The method of claim 1 which also includes tracking the position of a user and displaying the position of the user on a display and relative to the work path. ### Claim 6 (depends on 1) The method of claim 1 which also includes tracking the position of a user and comparing the tracked position of the user to a desired position of the user. ### Claim 7 (depends on 6) The method of claim 6 wherein an alert is displayed to the user when the user is more than a threshold distance from the desired position. ### Claim 8 (depends on 1) The method of claim 1 which also includes storing to memory the actual path of movement of a user of the device. ### Claim 9 A handheld apparatus, comprising: a support including one or more handles arranged to be grasped by a user; a prime mover carried by the support; a tool carried by the support and driven by the prime mover; and a mount carried by the support to receive and releasably retain a portable electronic device having a display and a processor that causes information relating to a work path to be shown on the display for viewing by a user of the apparatus. ### Claim 10 (depends on 9) The apparatus of claim 9 wherein the display includes information about multiple work paths with at least one work path provided for each tool to be used on the property. ### Claim 11 (depends on 9) The apparatus of claim 9 wherein an entire work path is displayed at one time. ### Claim 12 (depends on 9) The apparatus of claim 9 wherein discrete segments of the work path are displayed. ### Claim 13 (depends on 9) The apparatus of claim 9 wherein the device includes a controller that is arranged for wired or wireless connection to the electronic device. ### Claim 14 (depends on 13) The apparatus of claim 13 wherein one of the controller and the electronic device includes a GPS unit or GPS chipset by which the location of the apparatus can be determined. ### Claim 15 (depends on 14) The apparatus of claim 14 wherein the location of the apparatus is shown by an indicator on a display of the electronic device. ### Claim 16 (depends on 14) The apparatus of claim 14 wherein the display includes information about a property at which the apparatus is located. ### Claim 17 (depends on 16) The apparatus of claim 16 wherein the displace includes a computer generated image or a satellite image of the property at which the apparatus is located. ### Claim 18 (depends on 9) The apparatus of claim 9 wherein the work path includes a starting point and an ending point and an optimized path between the starting point and ending point. ### Claim 19 (depends on 18) The apparatus of claim 18 wherein the starting point and ending point are the same location. ### Claim 20 (depends on 14) The apparatus of claim 14 wherein the GPS unit or GPS chipset provides information relating to an actual path of movement of the apparatus. ### Claim 21 (depends on 14) The apparatus of claim 14 which includes memory in which is stored the work path and one or both of the current position of the apparatus or actual path of movement of the apparatus. ### Claim 22 (depends on 10) The apparatus of claim 10 wherein the multiple work paths are provided on the display with different indicia so that the individual work paths can be distinguished from each other.