Would there be a hard disk that doesn't spin?

  • Thread starter Thread starter Man-wai Chang to The Door (33600bps)
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Man-wai Chang to The Door (33600bps)

I meant with modern technology, we could have just moved the heads to
read-write the platters.

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I meant with modern technology, we could have just moved the heads to
read-write the platters.

--
   @~@   Might, Courage, Vision, SINCERITY.
  / v \  Simplicity is Beauty! May the Force and Farce be with you!
/( _ )\ (x86_64 Ubuntu 9.10)  Linux 2.6.33.3
   ^ ^   20:02:01 up 6 days 23:20 3 users load average: 0.02 0.02 0.00
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Click to expand...

The closest I can think of this would be an optical bar code reader.

I think the transfer rate, and data density will always mean that the
data moves, rather than the heads

Michael
 
Man-wai Chang to The Door (33600bps) said:
I meant with modern technology, we could have just moved the heads to
read-write the platters.
Click to expand...
--
@~@ Might, Courage, Vision, SINCERITY.
/ v \ Simplicity is Beauty! May the Force and Farce be with you!
/( _ )\ (x86_64 Ubuntu 9.10) Linux 2.6.33.3
^ ^ 20:02:01 up 6 days 23:20 3 users load average: 0.02 0.02 0.00
???! ???! ???! ???! ???! ???! ????? (CSSA):
http://www.swd.gov.hk/tc/index/site_pubsvc/page_socsecu/sub_addressesa
Click to expand...

Not really. Spinning is the easiest precise way to move a flat
surface. Also in magnetic media you need the data surface to
move with respect to the heads, otherwise no (easy) reading.

Arno
 
Man-wai Chang to The Door (33600bps) said:
I meant with modern technology, we could have just moved the heads to
read-write the platters.
Click to expand...

I have an idea about static CD mechanism for quite a while... Haven't built
it, nor will I ever build it, but I talked with the professor who is the
head of electroacoustic department on my former faculty
(http://www.fer.hr)... He said that it could work without many problems...

Don't have english text about it, but here is the direct link on my scans...

http://www.imamnovac.com/Download.ashx?FileId=18

Sorry, it's all in Croatian, but basically what it does is following...

Under the CD media is the concave mirror... The only moving part is the
small swinging mirror on the axle that is connected directly to the spindle
motor... The swinging mirror is put in the focus of concave mirror... Laser
is located in the centre of the concave mirror right under the swinging
mirror... If you take a look at the pictures in the document, you could see
how it looks like...

Swinging of the swinging mirror could be related to the centrifugal force,
so all components are basically static and passive, except the rotating
axle...

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Damir Lukic, calypso@_MAKNIOVO_fly.srk.fer.hr
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http://calypso-innovations.blogspot.com/
 
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