[15748] in cryptography@c2.net mail archive
Re: EZ Pass and the fast lane ....
daemon@ATHENA.MIT.EDU (Roy M. Silvernail)
Mon Jul 12 18:53:47 2004
X-Original-To: cryptography@metzdowd.com
X-Original-To: cryptography@metzdowd.com
Date: Mon, 12 Jul 2004 15:51:27 -0400
From: "Roy M. Silvernail" <roy@rant-central.com>
To: cryptography@metzdowd.com
In-Reply-To: <Pine.GSO.4.58.0407120944120.344@frame>
Jerrold Leichter wrote:
>How long before license plates have transponders built into them? After all,
>it's long-established law that you can be required to place an identifier on
>your car when it's on the public roads - why's there a difference between one
>that responds at optical frequencies and one that responds at a couple of
>gigahertz? (For that matter, even if you want to stick to optical and you
>can't get plate reading accurate enough, the technology for reading bar codes
>from moving vehicles is well-developed - it's been used for years to identify
>railroad cars, and many gated communities use them to open the gates for cars
>owned by residents.)
>
>
An infrared-reflective bar code would not be visible to the naked eye.
That would probably slip past the proles for a good while before the
word got out. And once the infrastructure is in place, it would be hard
to dislodge.
--
Roy M. Silvernail is roy@rant-central.com, and you're not
"It's just this little chromium switch, here." - TFS
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