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| London Transport (uk.transport.london) Discussion of all forms of transport in London. |
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#34
July 30th 08, 08:36 PM
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Another squashed bus
In uk.transport.london message , Wed, 30
Jul 2008 10:51:34, Roland Perry posted: In message ps.com, at 01:36:45 on Wed, 30 Jul 2008, remarked: Just have some bleeper which gets more and more urgent and if the computer thinks the bus is going to strike the bridge then it slams on the breaks. The technology exists to do it. "just" Hmm... Given that many bridges have very little clearance under them, how will this device tell from sufficiently far away whether the bridge is six inches too low, or six inches higher than required? A large bar code on each bridge, and a scanner on each bus. With a constant angular rate of scan, the bus could also tell its distance and speed. One could use, for safety, a non-visible wavelength of light; and the bar code might be all-gray in the visible. Or use a dot-matrix font of cat's-eyes on the bridge; modern OCR should be able to read that reliably, even in the presence of some white dielectric substance. Or sit the driver on the top deck. -- (c) John Stockton, near London. Web URL:http://www.merlyn.demon.co.uk/ - FAQish topics, acronyms, & links. Correct = 4-line sig. separator as above, a line precisely "-- " (SoRFC1036) Do not Mail News to me. Before a reply, quote with "" or " " (SoRFC1036) |
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