# US 2016/0258134 A1 · Display device of work vehicle and display method for the same > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2016/0258134 A1 - Document ID: US20160258134A1 - Status: Published application - Kind: A1 - Application number: 14/344,147 - Filed: 2013-11-19 - Published: 2016-09-08 - Earliest claimed: 2013-11-19 - Assignees: Komatsu Ltd. - Applicants: Komatsu Ltd. - Inventors: Hayato Matsumoto; Mitsuhiro Shimazu - Web page: https://patentgrep.com/patent/US20160258134A1 ## CPC - E02F 9/26: Indicating devices {(E02F5/145 takes precedence)} - B60R 1/26: to the rear of the vehicle - E02F 9/261: {Surveying the work-site to be treated} - G06F 3/14: Digital output to display device {; Cooperation and interconnection of the display device with other functional units} - H04N 7/183: {for receiving images from a single remote source} - B60R 2300/207: using multi-purpose displays, e.g. camera image and navigation or video on same display - B60R 2300/802: for monitoring and displaying vehicle exterior blind spot views - E02F 3/32: working downwardly and towards the machine, e.g. with backhoes - E02F: DREDGING; SOIL-SHIFTING (winning peat E21C49/00) - B60R: VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) - H04N: PICTORIAL COMMUNICATION, e.g. TELEVISION ## Abstract A display device of a work vehicle is configured to alternatively display a plurality of display screens including a first display screen with a video display area and a second display screen without the video display area in accordance with an operation of a screen changeover switch, wherein upon switching from the first display screen to the second display screen for display, a temporary second display screen on which precaution information prompting to switch to and display the first display screen is displayed is displayed. ## Claims ### Claim 1 A display device of a work vehicle configured to alternatively display a plurality of display screens including a first display screen with a video display area and a second display screen without the video display area in accordance with an operation of a screen changeover switch, wherein upon switching from the first display screen to the second display screen for display, a temporary second display screen on which precaution information prompting to switch to and display the first display screen is displayed is displayed. ### Claim 2 (depends on 1) The display device of a work vehicle according to claim 1, wherein the temporary second display screen is the second display screen on which the precaution information prompting to switch to and display the first display screen is displayed. ### Claim 3 (depends on 1) The display device of a work vehicle according to claim 1, wherein upon switching from the first display screen to the second display screen for display, the temporary second display screen is displayed, and upon a predetermined time having been passed since the temporary second display screen was displayed, a switch to the first display screen is automatically performed to display the first display screen. ### Claim 4 (depends on 1) The display device of a work vehicle according to claim 1, wherein upon a confirmation switch of the precaution information being pressed in a state where the temporary second display screen is being displayed, the second display screen from which the precaution information has been deleted is displayed. ### Claim 5 (depends on 1) The display device of a work vehicle according to claim 1, wherein upon the screen changeover switch being pressed in the state where the temporary second display screen is being displayed, the first display screen is displayed. ### Claim 6 (depends on 1) The display device of a work vehicle according to claim 1, wherein upon transitioning from the first display screen to the temporary second display screen, a press of the screen changeover switch causes a transition from the first display screen to a third display screen where the video display area is displayed on the entire screen, and a further press of the screen changeover switch causes a transition from the third display screen to the temporary second display screen. ### Claim 7 (depends on 1) The display device of a work vehicle according to claim 1, wherein the first display screen is an initial standard display screen to be displayed after a key switch is turned on. ### Claim 8 A display device of a work vehicle configured to alternatively display a plurality of display screens including a first display screen with a video display area and a second display screen without the video display area in accordance with an operation of a screen changeover switch, wherein upon transitioning from the first display screen to the second display screen, a press of the screen changeover switch causes a transition from the first display screen to a third display screen where the video display area is displayed on the entire screen, a further press of the screen changeover switch in a state where the third display screen is being displayed causes a transition from the third display screen to a temporary second display screen being the second display screen on which precaution information prompting to switch to and display the first display screen is displayed, upon a confirmation switch of the precaution information being pressed in a state where the temporary second display screen is being displayed, the second display screen from which the precaution information has been deleted is displayed, and upon the screen changeover switch being pressed in the state where the temporary second display screen is being displayed, the first display screen is displayed. ### Claim 9 A display method for a display device of a work vehicle configured to alternatively display a plurality display screens including a first display screen with a video display area and a second display area without the video display area by an operation of a screen changeover switch, the display method comprising, upon switching from the first display screen to the second display screen for display, displaying a temporary second display screen on which precaution information prompting to switch to and display the first display screen is displayed. ### Claim 10 (depends on 9) The display method for a display device of a work vehicle according to claim 9, wherein the temporary second display screen is the second display screen on which the precaution information prompting to switch to and display the first display screen is displayed. ### Claim 11 (depends on 9) The display method for a display device of a work vehicle according to claim 9, wherein upon switching from the first display screen to the second display screen for display, the temporary second display screen is displayed, and upon a predetermined time having been passed since the temporary second display screen was displayed, a switch to the first display screen is automatically performed to display the first display screen. ### Claim 12 (depends on 9) The display method for a display device of a work vehicle according to claim 9, wherein upon a confirmation switch of the precaution information being pressed in a state where the temporary second display screen is being displayed, the second display screen from which the precaution information has been deleted is displayed. ### Claim 13 (depends on 9) The display method for a display device of a work vehicle according to claim 9, wherein upon the screen changeover switch being pressed in the state where the temporary second display screen is being displayed, the first display screen is displayed. ### Claim 14 (depends on 9) The display method for a display device of a work vehicle according to claim 9, wherein upon transitioning from the first display screen to the temporary second display screen, a press of the screen changeover switch causes a transition from the first display screen to a third display screen where the video display area is displayed on the entire screen, and a further press of the screen changeover switch causes a transition from the third display screen to the temporary second display screen. ### Claim 15 (depends on 9) The display method for a display device of a work vehicle according to claim 9, wherein the first display screen is an initial standard display screen to be displayed after a key switch is turned on.