On 07/06/2011 03:06 AM, g wrote:
<>

> there are ir leds emitting at surface of balls and ir detectors receiving
> reflections from ball surface.

in addition, there are some trackball mice that use a roller bar, ie, like
a standard mouse. i do not recommend them. they do not track well.

you will also find 'palm ball' types, but they are not as convent to use
as a 'thumb ball'. i had one and gave it away.

-- 

peace out.

tc.hago,

g
.


Attachment: signature.asc
Description: OpenPGP digital signature

-- 
users mailing list
users@lists.fedoraproject.org
To unsubscribe or change subscription options:
https://admin.fedoraproject.org/mailman/listinfo/users
Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines

Reply via email to