About 54 results
https://drivepatents.com/patents/1093695 · 3 Sep 2003
A method and system of deriving a travel distance of an object which travels, comprising the steps of: measuring a forward travel velocity of the object under forward travel; discriminating whether or not the measured forward travel velocity is greater tha...
https://drivepatents.com/patents/1098085 · 5 Mar 2003
A microprocessor 24 detects turn start and turn finish of a vehicle on the basis of outputs of various sensors 11, 12 and 13, and during this operation, the microprocessor 24 successively sets a current position to a middle point of a next link every time ...
https://drivepatents.com/patents/1100175 · 27 Nov 2002
The present invention relates to a system for providing a mobile communication terminal the position of which can be detected with location-based information that is associated with a detected position and a method of service for providing the mobile commu...
https://drivepatents.com/patents/1100162 · 27 Nov 2002
A method of detecting an angle is provided with processes of: setting a bias voltage, as a standard voltage, which is an output voltage outputted from an angular velocity sensor (12) under a predetermined condition; and calculating the angle on the basis o...
https://drivepatents.com/patents/1100454 · 13 Nov 2002
A car navigation apparatus for determining entry/exit of a vehicle into/from a parking area based on a running state of the vehicle without using a dedicated parking area database. Upon entry into a parking area, the entry is determined by totally checking...
https://drivepatents.com/patents/1100448 · 13 Nov 2002
A navigation system includes sensors to detect a moving direction and location of a mobile body. The navigation system first presumes a first route pattern, which includes straight and curve ways, from data supplied from the sensors. The navigation system ...
https://drivepatents.com/patents/1100445 · 13 Nov 2002
An on-vehicle navigation system is provided with a radio wave positioning apparatus (18) and a vehicle speed sensor (13) for a dead reckoning positioning. A method of detecting a vehicle speed pulse drop of a vehicle speed pulse generated by the vehicle sp...
https://drivepatents.com/patents/1106593 · 20 Feb 2002
The invention allows to accurately determine the vehicle estimated position on a multilayer road even under various situations. A car-navigation system is provided for determining an estimated position of a vehicle comprising a first judgment means for jud...
https://drivepatents.com/patents/1108007 · 12 Dec 2001
A speedometer for a vehicle displays speed and mileage accurately and provides such speed information for a system that requires accurate speed information. A speedometer (42) can be connected with a navigation device (10). The navigation device (10) corre...
https://drivepatents.com/patents/1108457 · 21 Nov 2001
In a vehicle-mounted positional information indication system, the latitude and longitude position coordinates of the present position of a working vehicle for road maintenance on which the positional information indication system 1 is mounted is computed ...