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Results tagged with touchscreen
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user 20218
A display that incorporates a human interface device which records positional information of points of contact between the user and the display
1
vote
Why does the human skin steal field lines when it's very non-conductive in dry state?
It's a capacitive touchscreen (not resistive) and it uses AC pulses to detect the capacitance of the human body. …
- 473k
0
votes
What is the Correct Term for a Touch Screen Type Touch Sensor
Recommendations are the Semtech SX8649. It's a capacitive touch screen controller suitable for 8 buttons (cap touch pads). The data sheet even tells you how to implement them. I note that this is not …
- 473k
3
votes
Accepted
What exactly does a capacitive touch screen need to register input, and how can that signal ...
How do those emulate human touch?
Capacitive touch screens don't work from the supposed "aura" that some folk believe emanates from humans - they'll work with dogs, cats, medium sized rodents, pi …
- 473k
1
vote
Does higher resolution of LCD/LED display mean higher energy consumption for the very same m...
Think about how much light is needed to come from each display per square centimetre or square inch - this of course is a vast generalism but if the higher resolution screen (the same size) pumped the …
- 473k
1
vote
Does mutual capacitance increase for two positively charged plates when brought close?
Q = CV.
If the two objects were dragged away from each other, capacitance decreases (as per the definition of what physically capacitance is) but voltage increases thus Q remains constant.
But …
- 473k
69
votes
Is there a technical reason why most touch screens use glass rather than plastic?
Title of question: Is there a technical reason why most touch screens use glass rather than plastic?
Note the word "technical" and not "marketing"
What are the reasons that most modern portable t …
- 473k