Talk:Sudden Motion Sensor

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uhm, whoever wrote this dosn't know how gravity/accelerometers works. Dropping a laptop dosn't cause a sudden acceleration, it causes a sudden lack of acceleration.

If you mean negative m/s², yes. Otherwise, you're wrong. -lysdexia 19:52, 17 November 2010 (UTC) —Preceding unsigned comment added by 64.118.87.15 (talk)

Patented?

How did Apple patent Sudden Motion Sensor if IBM has IBM Active Protection System? I've seen it myself on Macworld Expo 2006 keynote broadcast that Steve said that Apple invented the Sudden Motion Sensor, but is it actually true?

“Sudden Motion Sensor, which is you know Apple invented and holds all the patents for”, — Steve Jobs at Macworld Expo 2006 keynote in January 2006 about Standard Features of MacBook Pro.

MureninC 23:45, 11 January 2006 (UTC)[reply]

Apple doesn't hold the patents for it and I'd be surprised if they were awarded one for this technology. IBM holds a patent that was filed in 1999 and passed in 2002 by the US Office:

http://www.wikipatents.com/6429990.html

Furthermore, Lenovo holds another patent that was OK'd in 2007, but submitted in 2004 for the same technology: http://www.wikipatents.com/7161758.html

I also have an IBM Thinkpad from 2003 or 2004 with the same technology, so this whole Apple thing is BS that it's "patented" when it's really not, and tons of other companies have similar already patented jhendrix86 —Preceding unsigned comment added by 68.115.90.18 (talk) 01:44, 17 June 2008 (UTC)[reply]

I don't know about patents. Perhaps it uses a diffrent technology or sensor for the same end result? I'm using a thinkpad right now, with APS... let me assure you it is the most useless feature I have ever seen. It begins to get very annoying when your music/movie stops as you simply adjust the laptop. I turned it off within a couple weeks... and am blissfully happy without it. --AK7 05:26, 23 January 2006 (UTC)[reply]

Oh, and shouldn't this article be called APS, with a refernce to SMS, since nAPS was first? Or shouldn't APS have it's own page? --AK7 05:27, 23 January 2006 (UTC)[reply]

The usefulness of Sudden Motion Sensor and IBM Active Protection System is another question all together. :-) Going back on the topic:

1. It probably should not be called SMS.

2. It probably should be clarified that origin of the Apple patent is unknown.

3. Yes, IBM's APS might as well have it's own page if someone writes one for it. :-) MureninC 14:22, 23 January 2006 (UTC)[reply]

Counts per gravity?

The article states that the technology "resolved 52 counts per gravity". Is this a measure of the sampling rate of g-forces, or something else? The explanation needs to be clearer to non-specialists. — Loadmaster 16:53, 17 June 2007 (UTC)[reply]

That is what I assume, their should be a link to either g-force or Standard_gravity, which are closely related. The used language might be jargon, but is very out of touch with common practice in physics. —Preceding unsigned comment added by 193.205.74.131 (talk) 17:17, 26 September 2008 (UTC)[reply]

MacBookAir3,2 doesn't have a Sudden Motion Sensor?

I've received a report that the most recent MacBook Air, model MacBookAir3,2, does not have a Sudden Motion Sensor. This makes some sense, as this model isn't even available with a hard disk, and flash drives don't need to be parked when dropped. -- Dan Griscom (talk) 16:20, 14 February 2011 (UTC)[reply]