Method and apparatus for non-contact surface measurement

摘要: The invention relates to a method and apparatus measure surfaces without contacting the surfaces. It incorporates plurality of light beams, means sequentially actuate beams detect as they are actuated. surface an object extending into will interrupt one or more beams. beam being partially interrupted is determined. Then proportion have uniform distribution across their width so proportional measurement accurately determines distance intrusion. Since position known, highly precise achieved. If no interrupted, new paths established provide broad range coverage. Electronic controls insure fast response accuracy at least 0.0001 inches.