RE: Re: Dvd Changer mechanisms

["Ward, David" <David.Ward@xxxxxxx>]

Not exactly fully automated, but cheap.  And after all it is a cool
gadget
(Even if it does look like a cross between a salad spinner and an 80's
5.25"
floppy disk box)
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-----Original Message-----
From: Jason Lee [mailto:jasonjlee@xxxxxxx]
Sent: Monday, November 04, 2002 3:43 PM
To: ukha_d@xxxxxxx
Subject: RE: [ukha_d] Re: Dvd Changer mechanisms


Yeah, I first tried to do it when I was ripping all my cd's but gave
up...

But I thought maybe looking at how the current one's work would help,
and I've got a lot of dvd's and dvd-r's to deal with now... :(

J

-----Original Message-----
From: Andy Laurence [mailto:andy@xxxxxxx] 
Sent: 04 November 2002 15:37
To: ukha_d@xxxxxxx
Subject: Re: [ukha_d] Re: Dvd Changer mechanisms


From: "Jason Lee" <jasonjlee@xxxxxxx>
> Pics would be great!!!!
>
> What I'm after is building a computer based changer, or gutting an
> existing one..But making the reader a normal drive, so when blu ray
or
> whatever takes over, just change drive and suddenly... Blu ray
changer
> or HD DVD or whatever we end up with....
>
> I've got some bits and pieces on order, but I know this one will
take
a
> long time, but I'm a very patient guy...

Ouch!  Sounds like a big project!  I thought about something
similar
recently.  My objective was to quickly and easily rip all my CDs to
MP3.
With 200 to get through, it's a daunting task, so something automated
would
be great.  I thought of two solutions.

The first utilised two stacks of discs.  One stack of CDs to be
ripped,
and
one of discs already ripped.  Using a mechanism comprising of
servos
from
rtadio controlled vehicles to pick the CDs up.  It would pick up the
top
disc, drop it on the tray, wait for it to rip, pick it up again, and
place
it on the other pile.  The mechanism to actually pick up the discs
was
my
main problem.  I thought of using a small rubber-coated spike
which
would
pick the CDs up via the hole in the middle.  The CDs would be
ejected
from
the mechanism with a small push.  Aligning the device would be
hard,
IMO.

The second idea was more care-free.  A stack of discs with a rod to
push
the
bottom one into the drive.  It would push a little too far which
would
cause
the drive tray to close.  To remove the discs, I though of using a
non-scratch pad to lift the disc off the tray, and an arm that would
basically hit the cd off sideways into a box like a baseball bat! 
Of
course, this option wouldn't help you much ;-)

Andy (actively seeking a less active mind)



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