Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Kenichiro Yoshino0
Kaoru Kumagai0
Date of Patent
August 31, 2010
Patent Application Number
12056987
Date Filed
March 27, 2008
Patent Primary Examiner
Patent abstract
A three-dimensional position-measuring apparatus comprises a body, a rotational optical portion rotatable with respect to the body in a horizontal direction and comprising a reflective plate in which deflection in a vertical direction is controllable, a first data transmitting and receiving portion arranged in the body and comprising a first coil which has a rotational axis of the rotational optical portion as an axis, and a second data transmitting and receiving portion arranged in the rotational optical portion and comprising a second coil that has the same axis as that of the first coil and magnetically couples with the first coil.
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