Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
August 11, 2009
0Patent Application Number
117022250
Date Filed
February 5, 2007
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A hollow box-shaped mover or a needle is moved, without using a power transmission mechanism midway, to a portion according to a measured value of a graduation portion, by housing the mover between a dial and a surrounding facing and in a guide groove portion formed along a graduation portion, in a manner to move along the guide groove portion, by attaching a needle to the mover, and by moving the mover along the guide groove portion by a linear motor unit, which is constituted to have a multipolar magnet of the guide groove portion and two coils housed in the mover.
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