The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 03, 2001
Filed:
Nov. 13, 1998
Thomas G. Xydis, Ann Arbor, MI (US);
Other;
Abstract
A programmable utility vehicle assembly,comprises a carriage,for moving over a plot, and a mobile transceiver,attached to the carriage,for transmitting a signal. The assembly,includes a power unit,for driving the carriage,over the plot, and a steering unit,for steering the carriage,over the plot. The assembly,further includes a plurality of locating stations,each having a stationary transceiver,for receiving a signal from the mobile transceiver,and transmitting a return signal to the mobile transceiver,. The assembly,is characterized by a central processing unit,(CPU) on the carriage,for preprogramming a desired vehicle path having a counter,for counting two way propagation time between the mobile transceiver,and said remote locating stations,to determine said vehicle location and guide said vehicle along the programmed path.