Described herein are “Ultrahapticons,” which are a set of tangible and recognizable mid-air haptic icons that have been derived from research study participants' metaphorical associations with car infotainment features. In line with semiotic theory (the study of signs), data from the study was analyzed to identify key characteristics that when realized in mid-air haptic form, would enable a user to “feel” the feature they are interacting with. Their use is not limited to an automotive context, they can be instrumented to any application that exhibits the same feature functionality i.e. home entertainment system, laptop UI's, digital communication, Extended Reality (XR), and the like.

A control device for controlling a vibrating roller that generates vibration on a front wheel and a rear wheel, includes a front wheel vibration start signal output unit that outputs a front wheel vibration start signal for starting vibration of the front wheel so as to give vibration at a predetermined number of times to a road surface to be constructed per unit length, a calculation unit that calculates the rear wheel vibration start timing based on a time width required from the start of vibration of the rear wheel to the vibration at a frequency that can give vibration to the road surface to be constructed a predetermined number of times, and a rear wheel vibration start signal output unit which outputs a rear wheel vibration start signal which starts the vibration of the rear wheel at the rear wheel vibration start timing.

A control device for controlling a vibrating roller that generates vibration on a front wheel and a rear wheel, includes a front wheel vibration start signal output unit that outputs a front wheel vibration start signal for starting vibration of the front wheel so as to give vibration at a predetermined number of times to a road surface to be constructed per unit length, a calculation unit that calculates the rear wheel vibration start timing based on a time width required from the start of vibration of the rear wheel to the vibration at a frequency that can give vibration to the road surface to be constructed a predetermined number of times, and a rear wheel vibration start signal output unit which outputs a rear wheel vibration start signal which starts the vibration of the rear wheel at the rear wheel vibration start timing.

A compactor includes a plate, a shaft rotatably supported upon the plate, an electric motor configured to cause rotation of the shaft, and an eccentric mass arranged to rotate on the shaft, causing the plate to vibrate in response to rotation of the eccentric mass. The eccentric mass is configured to translate along the shaft.

A compactor includes a plate, a shaft rotatably supported upon the plate, an electric motor configured to cause rotation of the shaft, and an eccentric mass arranged to rotate on the shaft, causing the plate to vibrate in response to rotation of the eccentric mass. The eccentric mass is configured to translate along the shaft.

A control device for controlling a vibrating roller that generates vibration on a front wheel and a rear wheel, includes a front wheel vibration start signal output unit that outputs a front wheel vibration start signal for starting vibration of the front wheel so as to give vibration at a predetermined number of times to a road surface to be constructed per unit length, a calculation unit that calculates the rear wheel vibration start timing based on a time width required from the start of vibration of the rear wheel to the vibration at a frequency that can give vibration to the road surface to be constructed a predetermined number of times, and a rear wheel vibration start signal output unit which outputs a rear wheel vibration start signal which starts the vibration of the rear wheel at the rear wheel vibration start timing.

A control device for controlling a vibrating roller that generates vibration on a front wheel and a rear wheel, includes a front wheel vibration start signal output unit that outputs a front wheel vibration start signal for starting vibration of the front wheel so as to give vibration at a predetermined number of times to a road surface to be constructed per unit length, a calculation unit that calculates the rear wheel vibration start timing based on a time width required from the start of vibration of the rear wheel to the vibration at a frequency that can give vibration to the road surface to be constructed a predetermined number of times, and a rear wheel vibration start signal output unit which outputs a rear wheel vibration start signal which starts the vibration of the rear wheel at the rear wheel vibration start timing.

A vibratory compaction machine includes a chassis, at least one drum, and a control system. The at least one drum is rotatable about an axis that faces in a Y-axial direction and is mounted to the chassis to allow rotation of the drum over a work surface. The at least one vibration mechanism is configured to generate vibrations that are transmitted as impacts directed in a Z-axial direction by the at least one drum to the work surface. The at least one vibration mechanism is provided with a plurality of different amplitude settings. The control system is configured to measure acceleration forces of the at least one drum in a direction that substantially corresponds to an X-axial direction, wherein the acceleration forces are generated by the vibration mechanism and the X-axial direction extends in a direction that is substantially orthogonal to the Y-axial direction and the Z-axial direction.

A vibratory compaction machine includes a chassis, at least one drum, and a control system. The at least one drum is rotatable about an axis that faces in a Y-axial direction and is mounted to the chassis to allow rotation of the drum over a work surface. The at least one vibration mechanism is configured to generate vibrations that are transmitted as impacts directed in a Z-axial direction by the at least one drum to the work surface. The at least one vibration mechanism is provided with a plurality of different amplitude settings. The control system is configured to measure acceleration forces of the at least one drum in a direction that substantially corresponds to an X-axial direction, wherein the acceleration forces are generated by the vibration mechanism and the X-axial direction extends in a direction that is substantially orthogonal to the Y-axial direction and the Z-axial direction.

A massage system for a seat of a vehicle includes a drive motor, a sliding member having a hollow pillar shape, a first end of the sliding member being blocked by a plate member and a second end of the sliding member being opened, a housing member having a hollow pillar shape, a first end of the housing member being blocked by a partition and a second end of the housing member being opened, and a drive gear module operably connected to the drive motor, wherein at least one roller member is extended toward the housing member at an edge of the plate member, and at least one cam protruding toward the sliding member is formed at a circumference of the partition, wherein a cam profile is formed at a surface of the cam.