Science & Technology

What is Haptics | Touchable Haptic Technology

by Electronics Notes News & Comment

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📚 Temas principales

  • Haptics y el tacto en el aireLa tecnología de Ultrahaptics crea botones, controles deslizantes, interruptores y objetos virtuales que se pueden sentir en el aire. 0:01
  • Cómo se generan las sensacionesUn conjunto de transductores ultrasónicos enfoca ondas sonoras en un punto; al modularlas, produce una sensación táctil que la piel puede percibir. 0:32
  • Texturas virtualesLas vibraciones permiten percibir la textura de una superficie al deslizar la mano sobre ella. Ultrahaptics puede recrear esa sensación en el aire mediante la modulación de los ultrasonidos. 1:04

✨ Conclusiones clave

  • Objetos que se pueden sentirLa tecnología permite crear sensaciones táctiles sin que haya un objeto físico presente. 0:01
  • La modulación es esencialLa piel no responde directamente a los ultrasonidos, por lo que estos se modulan para producir frecuencias perceptibles al tacto. 0:32

🧠 Lecciones aprendidas

  • El tacto percibe vibracionesLa textura de una superficie se siente a través de las vibraciones que produce al mover la mano sobre ella. 1:04

🏁 Conclusión y próximos pasos

  • Recrear sensaciones en el aireLa tecnología puede generar tanto el sentido del tacto como una sensación de textura en objetos virtuales. 1:04

Transcript excerpt

0:01 [Music] haptics is the science of touch it's how we interface with the world in many aspects um and ultrahaptics is about how we create that sense of touch in midair so we can create buttons and Sliders and switches or even virtual objects in midair that you can touch that really don't exist uh we how we do this is by

0:32 using ultrasonic transducers um an array of them where we can change the amplitude and phase of the all all the transducers individually which means that we can bring all the sound waves to the to a single point at the same time which creates a high pressure level that you can feel on your skin now the skin can't respond to Ultrasonics it only responds to frequencies of 0 to 500 Hertz so we modulate the Ultrasonics at a frequency around 2 to 400 HZ which creates a sense

1:04 of touch now if you touch a surface you don't feel anything but if you slide your hand across it you can feel the texture of that simply by the vibrations that come off that piece of material or that piece of wood or whatever you're touching and uh we can recreate that in midair by how we modulate the ultrasonic technology and so it allows us to create not only the sense of touch but a sense of of texture um and able to recreate things that you wouldn't normally be

1:35 able to [Music] recreate

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