On 02/02/2014 12:26 PM, Patrick O'Callaghan wrote:
On Sun, Feb 2, 2014 at 6:04 PM, g <geleem@xxxxxxxxxxxxx> wrote:
3rd gen is wireless, programmable buttons, and now called 'trackball'.
http://www.logitech.com/en-us/product/wireless-trackball-m570
once you try one you will never go back to regular 'move around'
mouse. i have converted at least 10 people to them.
Primitive trackballs actually predate mice. I used a home-made one in
the Cambridge Computer Lab in 1971. I also used commercial ones on
Vector General graphics stations in the mid-70's. AFAIK the first
mouse was born when someone (Douglas Englebart?) turned a trackball
upside down.
i do not know that he turned a trackball upside down, but he is
credited for a mouse before it had a ball;
http://en.wikipedia.org/wiki/Mouse_%28computing%29
track balls are at;
http://en.wikipedia.org/wiki/Trackball
which was mentioned in thread to your post;
}> Message-ID: <1376920807.3853.4.camel@dusty>
}> Subject: Mouse button debouncing
}> From: Patrick O'Callaghan <pocallaghan@xxxxxxxxx>
}> To: users@xxxxxxxxxxxxxxxxxxxxxxx
}> Date: Mon, 19 Aug 2013 15:00:07 +0100
--
peace out.
in a world with out fences, who needs gates.
tc.hago.
g
.
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