A second traveling body sends other traveling body-related information relating to the second traveling body, to a first on-board device in a first traveling body.

The headrest includes a first movable body (200) and a second movable body (700).

The movable mechanism comprises a fixed body (1), a movable body (4), and a drive member (2) fixed at one end side to the fixed body and the other side to the movable body (4) and changing the position of the movable body (4).

The mobile body control device is mounted to a mobile body and used.

The disclosed moving body information acquisition device (100) acquires the state of a moving body.

When the moving body passes the obstacle, the moving body moves down to avoid the obstacle.

A movable body (32) has two rows of rotating bodies.

A multi-directionally movable body module (100) is provided with a movable-body-module body (110) and a pair of drive body units (120A, 120B).

A valve body is disposed along the axis of the movable body, and a bore hole is formed in the movable body.

Also disclosed is a mobile body.

A bidet control box of the present invention includes a fixed body and a movable body.

A moving-body-information-acquiring device (100) acquires the state of a moving body.

The mobile-body-information acquisition section (101) acquires information on conditions of movement of a mobile body.

An arrangement for detecting an inclination of a moving body comprises the moving body (100) and a sensor system (11).

A mobile-body selection section (103) selects, out of the mobile bodies, one mobile body suitable for a user having made the use request.