Cushman, Darby & Cushman
Automatic working vehicular system
 An automatic working vehicular system comprises a guiding signal device and an automatic working vehicle which has a power source, driving devices, detecting devices and control devices. By means of a guide wire device for limiting the operational area, the vehicle can start at a preset time, travel from a position in a garage to a specific operation site, complete the required range of operation along a parallel reciprocating course of travel, and return to the garage. The vehicle also comprises devices to control the garage door, detect the fuel level, return itself to the garage when raining, adapt to load variations, change speed automatically, warn moving obstacles, detour obstacles, and prevent its theft. 
Industrial Technology Research Institute
G G A Y A G G
G05D G05D A01D Y10S A01D G05D G05D
inventional inventional inventional additional additional additional inventional
Chih-Li Jia-Ming
Chang Shyu