# US 12,215,485 B2 · Display system of work machine and method of controlling the same > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,215,485 B2 - Document ID: US12215485B2 - Status: Granted - Kind: B2 - Application number: 17/053,119 - Filed: 2019-08-28 - Published: 2021-10-07 - Granted: 2025-02-04 - Earliest claimed: 2018-09-14 - Assignees: Komatsu Ltd. - Applicants: Komatsu Ltd. - Inventors: Masaki Daimon - Web page: https://patentgrep.com/patent/US12215485B2 ## CPC - E02F 9/26: Indicating devices {(E02F5/145 takes precedence)} - E02F 9/264: {Sensors and their calibration for indicating the position of the work tool} - E02F 3/431: {for bucket-arms, front-end loaders, dumpers or the like} - E02F 9/2054: {Fleet management} - B60R 2300/50: characterised by the display information being shared, e.g. external display, data transfer to other traffic participants or centralised traffic controller - B60R 2300/80: characterised by the intended use of the viewing arrangement - E02F 9/2225: {using pressure-compensating valves} - E02F: DREDGING; SOIL-SHIFTING (winning peat E21C49/00) - B60R: VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR ## Abstract A display system of a work machine includes a storage that stores time-series work machine motion information including motion information of the work machine, a motion image generator that generates a motion image of the work machine based on the work machine motion information, and a display that shows the motion image. ## Claims ### Claim 1 A display system of a work machine including a display, a processor, a memory, and a storage, the processor executing a program stored in the memory to perform the method comprising: storing, in the storage, time-series work machine motion information including motion information of the work machine; generating a motion image of the work machine based on the work machine motion information, wherein the motion information of the work machine includes a working state of an operation member of the work machine; displaying on the display that shows the motion image; selecting a time for playing the motion image on the display, the time stored in association with the work machine motion, and generating the motion image of the work machine based on the work machine motion information, in accordance with the selected time, wherein the motion image includes an image and one or both of a graph and a heat map based on the working state of the operation member of the work machine, the one or both of the graph and the heat map depicting performance on the operation member of the work machine over the selected time. ### Claim 2 (depends on 1) The display system of the work machine according to claim 1, wherein the storage is provided in any one of the work machine and an external device independent of the work machine. ### Claim 3 (depends on 1) The display system of the work machine according to claim 1, wherein the processor executing the program stored in the memory to perform the method further comprising: determining whether an event has occurred based on the work machine motion information; and storing, in the storage and in association with the work machine motion information, the determined event. ### Claim 4 (depends on 3) The display system of the work machine according to claim 3, wherein the processor executing the program stored in the memory to perform the method further comprising: selecting a time for playing the work machine motion information in accordance with the event that has occurred. ### Claim 5 (depends on 4) The display system of the work machine according to claim 4, wherein the processor executing the program stored in the memory to perform the method further comprising: displaying, on the display, the event that has occurred; and selecting the time for playing the work machine motion information in accordance with an input command for the event that has occurred. ### Claim 6 (depends on 1) The display system of the work machine according to claim 1, wherein selecting the time for playing the motion image on the display is based on an input command. ### Claim 7 (depends on 1) The display system of the work machine according to claim 1, wherein the processor and the memory are provided in any one of the work machine and an external device independent of the work machine. ### Claim 8 (depends on 1) The display system of the work machine according to claim 1, wherein the display is provided in any one of the work machine and an external device independent of the work machine. ### Claim 9 (depends on 1) The display system of the work machine according to claim 1, wherein the work machine includes a work implement and a machine main body, and the motion information of the work machine includes motion information of at least one of the work implement and the machine main body. ### Claim 10 (depends on 1) The display system of the work machine according to claim 1, wherein the work machine includes a work implement and a machine main body, and the motion information of the work machine includes operation information of at least one of the work implement and the machine main body. ### Claim 11 (depends on 10) The display system of the work machine according to claim 10, wherein the generated motion image shows change over time in operations of the work machine based on the operation information. ### Claim 12 (depends on 1) The display system according to claim 1, wherein the motion information of the work machine includes position information of the work machine. ### Claim 13 (depends on 12) The display system of the work machine according to claim 12, wherein the generated motion image of the work machine shows a position of works by the work machine on a map based on the position information. ### Claim 14 (depends on 13) The display system of the work machine according to claim 13, wherein the processor executing the program stored in the memory to perform the method further comprising: selecting a time for playing the work machine motion information corresponding to an input command indicating the position information of the work machine. ### Claim 15 (depends on 1) The display system of the work machine according to claim 1, wherein the work machine motion information further includes identification information. ### Claim 16 (depends on 1) The display system of the work machine according to claim 1, wherein the work machine is a wheel loader. ### Claim 17 (depends on 1) The display system of the work machine according to claim 1, wherein the motion image is generated showing a motion state of the work machine and an operation state corresponding to the motion state based on the work machine motion information. ### Claim 18 (depends on 1) The display system of the work machine according to claim 1, wherein the motion information includes inclination information of the machine main body and the motion image includes an inclined state image. ### Claim 19 A method of controlling a display system of a work machine comprising: storing time-series work machine motion information including motion information of the work machine; generating a motion image of the work machine based on the work machine motion information, wherein the motion information of the work machine includes a working state of an operation member of the work machine; showing the motion image; selecting a time for playing the motion image, the time stored in association with the work machine motion, and generating the motion image of the work machine based on the work machine motion information, in accordance with the selected time, wherein the motion image includes an image and one or both of a graph and a heat map based on the working state of the operation member of the work machine, the one or both of the graph and the heat map depicting performance on the operation member of the work machine over the selected time.