Patent ID: 11958724
Assignee: TADANO LTD.
Field: Handling (Mechanical engineering)
Classification: CPC B  G  H | IPC B  H

Claim 0:
1. An operation system, comprising:
a work vehicle having a crane apparatus;
a controller that controls the crane apparatus;
remote operation terminals being configured to respectively operate the crane apparatus; and
an information relay device connected to the controller and the remote operation terminals, wherein:
a primary setting related to operating conditions of the crane apparatus set in the controller is allowed to be changed by transmitting a first radio wave signal from one of the remote operation terminals to the information relay device;
when the primary setting set in the controller is changed by one of the remote operation terminals, the change of the primary setting is also reflected in one or more other remote operation terminals of the remote operation terminals by transmitting a second radio wave signal from the information relay device to the one or more other remote operation terminals;
each of the remote operation terminals includes a switching tool;
only one of the remote operation terminals which is selected by the switching tool is allowed to change the primary setting, and when the primary setting is changed by the one of the remote operation terminals that is allowed to change the primary setting, the change of the primary setting is also reflected in the one or more other remote operation terminals;
each of the remote operation terminals further includes an image display; and
when the primary setting is changed by the one of the remote operation terminals that is allowed to change the primary setting, a screen in which a content to be reflected in the primary setting is written is displayed on the image display of each of the one or more other remote operation terminals.