Path: utzoo!utgpu!watserv1!watmath!att!cbnewsh!daw
From: daw@cbnewsh.ATT.COM (David Wolverton)
Newsgroups: comp.sys.mac
Subject: Re: new adb mouse
Summary: LEDs, not lasers
Message-ID: <7069@cbnewsh.ATT.COM>
Date: 4 Jan 90 21:11:26 GMT
References: <1989Dec22.143715.3631@ux1.cso.uiuc.edu> <800@tuewsd.lso.win.tue.nl>
Organization: AT&T Bell Labs, Holmdel, NJ
Lines: 18

In article <800@tuewsd.lso.win.tue.nl>, wsinkees@lso.win.tue.nl (Kees Huizing) writes:
> levin@bbn.com (Joel B Levin) writes:
> 
> >If you are unhappy with your mouse, I'd recommend a look at the A+
> >Mouse from MSC Technologies (nee Mouse Systems).  It comes in versions
> >(not interchangeable) for old Macs (Plus and earlier) and for ADB (SE
> >and newer).  It uses no moving parts; rather, internal laser(s)
> >reflecting from a special mouse pad.                   ^^^^^^^
> 							|||||||
> Are you sure they are no LED's?  (serious informative question)


They are LEDs; a red one on one axis and an infrared (?) one on the other
axis.  I also have an A+ Mouse (the "old Mac" version) and love it.


Dave Wolverton
daw@attunix.att.com