Patent ID: 7425823
Filing Date: 2008-09-16
Classification: G01D,G01R,H04N

Abstract:
1. A position detecting device, comprising: a movable unit; a hold unit that movably holds said movable unit, one unit of said movable unit and said hold unit having a first surface and a second surface, which is an opposite surface of said first surface; a magnetic field generator, which is provided on said first surface, that generates a magnetic field; a magnetic field sensor, which is provided on the other unit of said movable unit and said hold unit, that senses said magnetic field so as to detect a position of said movable unit relative to said hold unit; a guide portion having a guide opening that penetrates through from said second surface to said first surface; and an engaged portion that is provided on said magnetic field generator and is disposed at a position corresponding to said guide opening, wherein said magnetic field generator is fixed on said first surface after said magnetic field generator is slidingly moved along said first surface by a rod member that is inserted into said guide opening and engaged with said engaged portion so as to dispose said magnetic field generator to a predetermined position.