US 12,420,639 B2
Display device and construction machine
Daisuke Kawaguchi, Fukuoka (JP); Naoto Kageyama, Fukuoka (JP); and Kazuki Tamura, Fukuoka (JP)
Assigned to Yanmar Holdings Co., Ltd., Osaka (JP)
Filed by Yanmar Holdings Co., Ltd., Osaka (JP)
Filed on Jul. 31, 2023, as Appl. No. 18/228,631.
Claims priority of application No. 2022-123356 (JP), filed on Aug. 2, 2022.
Prior Publication US 2024/0157795 A1, May 16, 2024
Int. Cl. G06F 3/02 (2006.01); B60K 35/22 (2024.01); B60K 35/28 (2024.01); G06F 3/14 (2006.01)
CPC B60K 35/28 (2024.01) [B60K 35/22 (2024.01); G06F 3/02 (2013.01); G06F 3/14 (2013.01); B60K 2360/126 (2024.01); B60K 2360/128 (2024.01); B60K 2360/167 (2024.01)] 12 Claims
OG exemplary drawing
 
1. A display device mounted on a construction machine capable of executing a plurality of operation contents, each operation content corresponding to an operation element in a plurality of operation elements, the display device comprising:
a display unit that displays a display screen having a guidance display area for displaying a plurality of function signs at positions corresponding to the plurality of operation elements, wherein each function sign in the plurality of function signs corresponds to an operation content in the plurality of operation contents; and
a display control unit that controls the display unit to change a display mode of the guidance display area according to an operation state of a safety operation member of the construction machine which sets whether the operation state of a work unit of the construction machine is in a drivable state or in an undrivable state, wherein the display control unit
changes an arrangement and a display mode of at least one of the plurality of displayed function signs relative to the plurality of operation elements according to the operation state of the safety operation member, and
changes, for each of the plurality of operation elements, the corresponding operation content to correspond to the displayed function signs.