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Terry Lambert
  • San Mateo, CA
  • United States
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Terry Lambert replied to Reinhard Ruppelt's discussion Problems with capacity-based touchpads
"I was also unable to replicate with a battery, but it was an expected result, given the physics.   Several possibilities occur to me that would explain Jorge's observations.  The first is that it wasn't a capacitive device.…"
Feb 26, 2011
Harvest Montemayor left a comment for Terry Lambert
"ME, CS, math, physics, we are all cousins. I sincerely appreciate your reply. My team and I just finished our research stage and now I have been prototyping out of wood until the plastics I've ordered come in. Was having a sort of conceptual…"
Feb 20, 2011
Terry Lambert left a comment for Harvest Montemayor
"If necessary, I can provide mechanical engineering diagrams for this, although my primary training is theoretical physics/applied math/software engineering."
Feb 19, 2011
Terry Lambert left a comment for Harvest Montemayor
"I had never previously considered stringed instruments.   I would personally suggest using the "chinese finger puzzle technique" to keep the prosthetic from slipping.  an externally bottom attached string that wraps over the top…"
Feb 19, 2011
Reinhard Ruppelt liked Terry Lambert's blog post Toward Using a Prosthesis with a TouchPad/TouchScreen
Feb 15, 2011
Reinhard Ruppelt liked Terry Lambert's blog post Toward Using a Prosthesis with a TouchPad/TouchScreen
Feb 15, 2011
Jon Kuniholm liked Terry Lambert's blog post Toward Using a Prosthesis with a TouchPad/TouchScreen
Feb 14, 2011
Terry Lambert posted a blog post

Toward Using a Prosthesis with a TouchPad/TouchScreen

By way of introduction, I work for Google, and some of my time is dedicated to trackpad, touchpad, and touch screen drivers for ChromeOS and ChromeOS devices... An increasingly common problem for those with prosthetics is the use of touch devices (trackpads, touchpads, touch screens, and so on) in consumer electronics devices. This is not a trend which shows any sign of decreasing, and, indeed, appears to be on the classic technology adoption "hockey stick" curve. This post is an attempt…See More
Feb 14, 2011
Terry Lambert replied to Reinhard Ruppelt's discussion Problems with capacity-based touchpads
"The blog is here, and the post is pending approval.  I did a number of experiments with the intent of using them for factory test and unit test robotic automation, but the principle is the same.  I'm considering whether this should…"
Feb 14, 2011
Terry Lambert replied to Reinhard Ruppelt's discussion Problems with capacity-based touchpads
"I just blogged a post addressing technical aspects of this issue.  At a minimum, it should let you assemble a working stylus that would be usable, although not integrated into the prosthetic itself at this point.   I hope other take up the…"
Feb 14, 2011
Terry Lambert is now a member of OpenProsthetics.org
Feb 8, 2011

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Engineer, Interested, Other
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Terry Lambert's Blog

Toward Using a Prosthesis with a TouchPad/TouchScreen

Posted on February 14, 2011 at 8:26pm 0 Comments

By way of introduction, I work for Google, and some of my time is dedicated to trackpad, touchpad, and touch screen drivers for ChromeOS and ChromeOS devices...

 

An increasingly common problem for those with prosthetics is the use of touch devices (trackpads, touchpads, touch screens, and so on) in consumer electronics devices.

 

This is not a trend which shows any sign of decreasing, and, indeed,…

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At 7:11am on February 20, 2011, Harvest Montemayor said…

ME, CS, math, physics, we are all cousins. I sincerely appreciate your reply. My team and I just finished our research stage and now I have been prototyping out of wood until the plastics I've ordered come in. Was having a sort of conceptual block and I have been seeking outside opinion from someone who is not so close in on the project.

The Chinese finger trap idea is refreshing, and it fits our design constraints. The woven aspect of the finger trap is what makes the toy function, it needs to expand and contract in reaction to force and pressure from touch. I will have to investigate the concept by way of prosthetics, I just don't want our client to feel restricted or 'tied up'. The next prototype I am about to construct has a glove type shell with a lock sewn into the palm that attaches to the bow’s frog retrofitted with a miniature ball bearing. I am afraid it will be too complicated and heavy, but I want to try it out because failure can sometimes lead to new ideas. Often with prosthetics, simpler is better. I would like to see/hear more about your concept; I rather like diagrams if you have the time.

 
 
 

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