The invention provides an independent relative motion sensor for use in navigation operations using a fingerprint that do not require the power demanded by conventional devices. The independent relative motion sensor includes a linear array of sensing elements that captures a narrow string of data that...http://www.google.es/patents/US8165355?utm_source=gb-gplus-sharePatente US8165355 - Method and apparatus for fingerprint motion tracking using an in-line array for use in navigation applications
Method and apparatus for fingerprint motion tracking using an in-line array ...
