December 22, 2008
Back in the day, when they first started trying to develop auto-focus cameras, one of the clever things they tried was using ultrasound. They mounted an ultrasound transducer on the camera, and when the user clicked the button, it fired a sound pulse at the direct center of the field of view, and then measured the bounce time to figure out the range.
There's a really huge flaw in this concept, which rendered it completely useless. Can any of you figure out what it is? (It isn't "flat angled target bounces the sound off to the side." That one's a problem, too, but it's not the one I'm thinking of.)
Posted by: at December 22, 2008 10:11 PM (Dmikg)
Posted by: Steven Den Beste at December 22, 2008 10:18 PM (+rSRq)
Posted by: gaiaswill at December 22, 2008 11:01 PM (gctoU)
Has to be a registered user, I think. I'll take a look
Posted by: Pixy Misa at December 22, 2008 11:16 PM (PiXy!)
Posted by: at December 23, 2008 05:55 AM (Dmikg)
Posted by: J Greely at December 23, 2008 07:36 AM (2XtN5)
Enclose all spoilers in spoiler tags:
[spoiler]your spoiler here[/spoiler]
Spoilers which are not properly tagged will be ruthlessly deleted on sight.
Also, I hate unsolicited suggestions and advice. (Even when you think you're being funny.)
At Chizumatic, we take pride in being incomplete, incorrect, inconsistent, and unfair. We do all of them deliberately.
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