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Old Feb 3, 2010, 3:06 AM   #1
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Default Casio use inertial sensor in digial camera

http://www.gpsbusinessnews.com/CES-C...ing_a1969.html

does any person know the company &model name of inertial sensors used in the camera ?
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Old Feb 3, 2010, 2:49 PM   #2
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Would be interesting to see what reaction that system would have to a 180 degree indoor turn. Would it register linear movement in the 90 degree direction? Would the amount depend on how fast the turn was made (I think not, but who knows)?
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Old Feb 3, 2010, 3:16 PM   #3
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These would just be strain gauge accelerometers, the same things that determine and help counteract camera shake. The only difference is the sampling rate and the storage capacity. They're cheap and anybody can make them. This doesn't constitute any new technology, just an implimentation of it in a consumer device.
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Old Feb 3, 2010, 9:14 PM   #4
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Yes, basically just a bit different application. A few years ago, they were all the rage for auto enthusiasts. Just put one on your dash and it will report your 0-60mph time, 1/4 mile time, and compute your car's horsepower. Probably still around, but not so heavily advertised.

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Old Mar 17, 2010, 2:10 AM   #5
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As I know , they use the inertial sensor , and GPS sensor for photo tag when the GPS signal is weak , is the application (feature ) important for consumer product ?
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Old Mar 17, 2010, 9:30 AM   #6
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Global Positioning System (GPS) is a system of several satellites on polar orbits around the earth, each broadcasting detailed information about it's position. GPS devices (like cameras) can use the signals they receive from multiple satellites to determine their position using a method called triangulation. GPS devices can't work if they don't have an unubstructed view of the sky. GPS devices don't work indoors, in tunnels and caves or even under dense tree canopies.

Inertial Navigation System (INS) have been around for a while, and predates GPS by a large margin. The operator sets the current position and then the system keeps track of how it has moved since then, so it always knows where it is.

What Casio has done in this camera is used the GPS to set the position for the INS so that the camera can continue to provide accurate Geolocation data in the EXIF record, even while the camera doesn't have a clear view of the sky. If you typically Geotag your images and use that information, and frequently find yourself in places where you don't have a clear view of the sky, what Casio has done would be important to you.
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Last edited by TCav; Mar 17, 2010 at 10:04 AM.
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