Irradiating direction control system for a vehicle lamp

Details Irradiating direction control system for a vehicle lamp Irradiating direction control system for a vehicle lamp

2009-02-11

2011-10-04

Nguyen, Tan Q (Department: 3661)

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

Vehicle subsystem or accessory control

C701S034000, C362S466000

Reexamination Certificate

active

08032286

ABSTRACT:
A system for controlling an irradiating direction of a vehicle lamp includes a target swivel angle calculating section to calculate a target swivel angle based on a vehicle steering angle, a swivel driver to execute, based on the target swivel angle, a swivel control to swivel the irradiating direction, and a fail-safe controller to execute, upon detection of a failure in the system, a fail-safe operation to stop the swivel control. When the system is restored after the failure, the fail-safe controller determines whether the target swivel angle is within a straight-ahead range that includes an angle corresponding to a straight-ahead direction of a vehicle. If the fail-safe controller determines that the target swivel angle is within the straight-ahead range, the fail-safe controller deactivates the fail-safe operation to restart the swivel control.

REFERENCES:
patent: 7810970 (2010-10-01), Ishiguro
patent: 2002/0057572 (2002-05-01), Kondo et al.
patent: 2005/0083702 (2005-04-01), Nishimura
patent: 2007/0052555 (2007-03-01), Ibrahim
patent: 2008/0262681 (2008-10-01), Morishita et al.
patent: 2005-132340 (2005-05-01), None

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