Followup to: <Pine.LNX.4.33.0304251729490.18442-100000@router.windsormachine.com>
By author: Mike Dresser <mdresser_l@windsormachine.com>
In newsgroup: linux.dev.kernel
>
> On Fri, 25 Apr 2003, H. Peter Anvin wrote:
>
> > actually measure the real speed you can presumably vary the speed
> > arbitrarily, all the way up to the breaking point of the medium.
>
> I suspect that method is patented, as I have seen this implemented on
> both Travan tapes, and cassette tapes.
>
> However, there seems to have been a flaw in the implementation, where the
> breaking point was underestimated.
>
Presumably any patents on this have since long expired (they would
have had to have been filed no earlier than 1983.)
-hpa
-- <hpa@transmeta.com> at work, <hpa@zytor.com> in private! "Unix gives you enough rope to shoot yourself in the foot." Architectures needed: ia64 m68k mips64 ppc ppc64 s390 s390x sh v850 x86-64 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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