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:
Jul. 12, 2005
Filed:
May. 06, 2002
David Kenneth Martell, Shillington, GB;
Jeffrey Solomon, Flitwick, GB;
David Kenneth Martell, Shillington, GB;
Jeffrey Solomon, Flitwick, GB;
Trafficmaster plc, Bedfordshire, GB;
Abstract
A route guidance system for vehicles comprises central computing apparatus (), transmitting apparatus () by way of which the central computing apparatus () is informed of the positions of respective vehicles on a road network and by way of which the vehicles are supplied with route guidance data calculated by the central computing apparatus as to the best routes for the respective vehicles to take to respective desired destinations, the transmitting apparatus () including transmitting devices () for carrying by the respective vehicles and by way of which the central computing apparatus () is informed as to the desired destinations, computing apparatus () serving to inform the central computing apparatus () as to traffic congestion on the network, and speech synthesisers () for carrying by the respective vehicles and arranged to speak instructions to the drivers of respective vehicles as to the routes to be taken to their respective desired destinations.