Pointer for interactive display system
OwnerPeter Unsworthinventor
Life of this patent
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Abstract
There is disclosed a pointing device for use with an interactive surface, the pointing device comprising a coil for producing an electromagnetic field which couples into the interactive surface, the pointing device being arranged, in use, to be attached to a finger.
Claims28
A pointing device for use with an interactive surface, the pointing device comprising a coil for producing an electromagnetic field which couples into the interactive surface, the pointing device being arranged, in use, to be attached to a finger.
A pointing device for use with an interactive surface, the pointing device comprising a receptacle for receiving a finger of a user, and a coil of a tuned circuit.
Dependencies are inferred from the claim text.