Communications: electrical – Land vehicle alarms or indicators – Of relative distance from an obstacle
Patent
1998-07-30
1999-08-17
Hofsass, Jeffery A.
Communications: electrical
Land vehicle alarms or indicators
Of relative distance from an obstacle
340436, 340903, 342 70, B60Q 100
Patent
active
059399767
ABSTRACT:
An intersection warning system provided in a vehicle includes a receiving unit that receives watching information, about states of bodies in a watching area including an intersection, from a road watching apparatus, a vehicle position detecting unit that detects a position of the vehicle, a dead angle area calculation unit that calculates a dead area for the vehicle based on the position detected by the vehicle position detecting unit and the watching information received by the receiving unit, a first determination unit that determines whether there is another vehicle in the dead angle area calculated by the dead angle area calculation unit, a running state detecting unit that detects a running state of the vehicle, a second determination unit that, when the first determination unit determines that there is another vehicle in the dead angle, determines, based on the running state of the vehicle detected by the running state detecting unit and the watching information about the another vehicle in the dead angle area, whether a driving operation for the vehicle is appropriate, and a warning unit that issues a warning based on a determination result obtained the second determination unit.
REFERENCES:
patent: 5751211 (1998-05-01), Shirai et al.
patent: 5798727 (1998-08-01), Shirai et al.
patent: 5806019 (1998-09-01), Ishiyama
Hattori Noriaki
Kobayashi Yuji
Sasaki Kenji
Yamaguchi Kazuhiko
Hofsass Jeffery A.
Nguyen Tai
Toyota Jidosha Kabushiki Kaisha, Hino Jidosha Kogyo Kabushiki Ka
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