Patent ID: 7788197
Filing Date: 2010-08-31
Classification: H01L

Abstract:
1. A teaching apparatus to be used for teaching a carrying apparatus a target position at which a retainer of said carrying apparatus holding an object to be carried is to make access to a mounting rack on which said object is to be placed, comprising: a first member held by said retainer; a second member attached to said mounting rack and disposed so as to oppose said first member held by said retainer when said retainer is located close to said target position; an output unit; and an arithmetic unit; wherein at least one of said first member and said second member includes a distance sensor that generates a sensor signal representing a distance between said distance sensor and an opposing surface of the other member opposing said one member; at least one of said opposing surface of the other member and the opposing surface of said one member opposing said opposing surface of the other member, is provided with a reference mark, and one of said first member and said second member which is opposing the member with said reference mark includes an imaging device that shoots an image including said reference mark and generates image data; said arithmetic unit calculates the distance represented by said sensor signal based on said sensor signal generated by said distance sensor; said output unit outputs a calculation result given by said arithmetic unit, and outputs a difference in a position of said reference mark obtained from said image data generated by said imaging device and a position of said reference mark in an image shot by said imaging device when said retainer is set at said target position.