Autoguided vehicle using reflective materials
Patent 4855915 Issued on August 8, 1989. Estimated Expiration Date: 
March 13, 2007. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
March 13, 2007. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesPosition measuring apparatus of moving vehicle Patent #: 4729660 InventorApplicationNo. 07/025722 filed on 03/13/1987US Classes:701/23, Automatic route guidance vehicle180/169Radiation, force, or waves reflected from external object or surfaceExaminersPrimary: Mis, DavidAttorney, Agent or FirmInternational ClassG05D 1/02 (20060101)AbstractAn automatic guiding system for an unmanned goods transportation vehicle is provided by a one dimensional optical detector responsive to specialized targets mounted along a side of the vehicle's path of motion. The specialized targets consist of combinations of retro-reflective and mirror-like devices in patterns allowing the vehicle to determine both the relative position and heading angle in a single set of measurements. | |
