Height measuring device and measuring system which is a technique of skateboarding 'ollie'.

摘要

The present invention as in the prior art without having to prepare such third party hands, video cameras, aims to provide a system that can measure the height of the "ollie" of easily and accurately scan Cascade boarding on hand of the portable terminal to. Also, not only to measure the height, by displaying the ones that can jump in response to the result of the measurement, and aims to provide a system that helps in improving the skateboarding technology more user to. The invention relates to making full use of sensors such as the triaxial acceleration sensor or distance sensor, a by sharing the results with hand portable terminals, easy and accurate user leap distances make it possible to measure the new height measurement system which is a technique of skateboarding "ollie".BACKGROUND.