Researchers from Northwestern University (USA) have developed an innovative patch that can transmit a wide range of tactile sensations – from light touch to strong pressure. This technology opens up new possibilities for both immersion in virtual reality and for helping people with visual impairments, allowing them to better navigate their environment.
The prototype patch, made of a silicone base with 19 miniature actuators, can reproduce various tactile signals received from a smartphone via Bluetooth. The drives have a unique design that allows two opposing states to be maintained without additional energy consumption. This was made possible thanks to the elasticity of the skin: the actuators act on it, compressing it and keeping it tense until the next command, which makes the device particularly energy efficient and convenient for long-term use.
For visually impaired people, the patch can replace a traditional cane. The device emits tactile signals that encode information about obstacles and objects nearby. Experiments with volunteers have shown that this system can successfully cope with this task and increase the level of comfort and safety for people with limited vision.
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Source: VG Times
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