Mobile phone without a button


M

Man-wai Chang

As touchscreen technology matures, when would all mobile phones have no
button? :)

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P

Paul

Man-wai Chang said:
As touchscreen technology matures, when would all mobile phones have no
button? :)

If the touchscreen draws power, to detect a request to turn on,
it would drain the battery. Using a button to turn the power
on and off, uses less power. So at least one button or switch
on the thing, is a good idea.

Paul
 

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