Precision and Immersion in Ultrasound Haptics

Current Trends in Ultrasound Haptics

The field of ultrasound haptics is witnessing significant advancements, particularly in the areas of non-contact tactile feedback and high-resolution sensory experiences. Researchers are increasingly focusing on developing methods that can simulate complex tactile sensations, such as the feeling of curved surfaces, edges, and even the nibbling sensation of virtual creatures. These innovations are not only enhancing the realism of virtual interactions but also paving the way for more intuitive and immersive human-computer interfaces.

One notable trend is the use of airborne ultrasound to create high-resolution pressure sensations, which can replicate fine details such as sharp edges and micro-concave surfaces. This technology is proving to be a game-changer in applications ranging from surface inspection to virtual reality experiences. Additionally, the integration of ultrasound haptics with autostereoscopic displays is enabling more realistic passive interactions, such as simulating the sensation of virtual fish nibbling on the skin.

The advancements in ultrasound haptics are also contributing to the automation of delicate processes, such as surface inspection, by providing standardized and highly accurate tactile feedback. This shift towards more precise and automated tactile sensing is expected to have broad implications across various industries, from manufacturing to healthcare.

Noteworthy Innovations

  • Simultaneous Thermal and Mechanical Stimulation: A groundbreaking method using airborne ultrasound to present perceivable temperature changes on the skin, enhancing the realism of virtual thermal experiences.
  • Curved Surface Haptic Reproduction: An innovative approach to simulate the sensation of curved surfaces and edges using controlled acoustic radiation pressure, reducing physical burden on users.
  • Passive Touch Experience with Virtual Doctor Fish: A novel implementation of ultrasound haptics to simulate realistic nibbling sensations, enhancing the immersion in virtual environments.

Sources

Simultaneous Presentation of Thermal and Mechanical Stimulation Using High-Intensity Airborne Ultrasound

Haptic Reproduction of Curved Surface and Edge by Controlling the Contact Position between the Disk and the Finger Using Airborne Ultrasound

Edge shape sensation presented in a noncontact manner using airborne ultrasound

Scanning Tactile Sensor with Spiral Coil Structure Amplifying Detection Performance of Micro-concave

Passive Touch Experience with Virtual Doctor Fish Using Ultrasound Haptics

Tap tactile presentation by airborne ultrasound

Built with on top of