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I´m experimenting with using ultrasonic surface waves on the trackpad of the laptop project to enable multi-touch haptic feedback. This should make it possible to generate haptic feedback under individual fingers for multi-touch gestures. Elmer FEM software is a really helpful tool to model the interface between the piezo... show more

Lukas Henkel

24,218 subscribers

42,295 次观看 • 2 年前 •via X (Twitter)

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Yacky Yam 的头像

Yacky Yam2 年前

@elmerfem This is going to be like a $10k laptop isn't it. 😂 I'll still but it tho.

Lukas Henkel 的头像

Lukas Henkel2 年前

@elmerfem 😁 This feature won´t make it in the first version of the laptop. Cost is one reason but the necessary time to optimize this feature and make it work reliably is the bigger problem. To avoid building a feature creep, the first variant will include only a basic trackpad.

Wings 的头像

Wings2 年前

@Tauss_srgl @elmerfem Finally, a demonstration of the meaning behind a particle under wave mechanics! Not what you intended, but yup, haha.

Helge Wurst 的头像

Helge Wurst2 年前

@elmerfem Why would it be focused though?

Lukas Henkel 的头像

Lukas Henkel2 年前

@elmerfem Either a combination with a capacitive matrix registers the position of the finger and focusses the array based on this information or the piezo elements act as active sonar and register the area with high attenuation where the finger touches the glass.

@fullmoon6661 的头像

@fullmoon66612 年前

@elmerfem Is this the same thing they use in glass cockpit aircraft displays?

Manadono 的头像

Manadono2 年前

@elmerfem there was a business that made transducers especially for this back in the mid 00s, they shipped a … Hitachi tablet iirc with multitouch haptics and it also used the screen as the speaker. I had a set of PC speakers with their transducers way back and they were pretty nice

Sinan Haliyo 的头像

Sinan Haliyo2 年前

@elmerfem You may want to check scientific literature on haptics and tactile surfaces to go further on that. Nice animation tho.

Jonathan Pryde 的头像

Jonathan Pryde2 年前

@elmerfem 👏

NotJohn 的头像

NotJohn2 年前

@elmerfem That would be neat. Wouldn't the capacitive sensing become more troublesome? Subtly changing the distance between plates when the wave passes through at whatnot.

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