Apparatus and method for determining the position of an...

Details Apparatus and method for determining the position of an... Apparatus and method for determining the position of an...

2008-06-06

2010-02-23

Lobo, Ian J (Department: 3662)

Communications, electrical: acoustic wave systems and devices

Distance or direction finding

With time interval measuring means

C367S129000, C367S907000

Reexamination Certificate

active

07668046

ABSTRACT:
An apparatus and method is disclosed for determining the position of a user interface mouse using time of arrival measurements. A transmitter transmits a signal to an array of receivers that are spatially separated from one another. The time difference of arrival for is found for each receiver relative to a predetermined reference receiver. Using the time difference of arrival (TDOA) of each receiver, the location in 3-dimensional space of each receiver, and the speed of sound the position of the transmitter in 3-dimensional space relative to the reference receiver may be found.

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patent: 02058002 (2002-07-01), None

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