|Application No.||Application Title||Issue Date|
|20060118709||Rotation angle detection apparatus and rotary disk for same|
A rotation information record surface of a rotary disk is disposed at an intermediate position between a fixing point of the rotary disk and a rotary shaft and a fixing position of a detection head, so that a stable gap can be obtained with a variation due to thermal ex...
|20060028653||Sensor using roof mirror/roof prism array scale, and apparatus equipped with the sensor|
A divergent light beam from a light source unit having a plurality of light-emitting regions is almost contained within the surface of a reflecting body that is an array of micro roof mirrors/roof prisms disposed in a regular manner. The light beam emitted from the ligh...
|20050090998||Sensor signal processor|
A sensor signal processor includes a scale having optically or magnetically fine divisions; a detection sensor that moves with respect to the scale and that is provided in association with the divisions of the scale; and a position detecting unit for calculating positio...