About 18 results
https://drivepatents.com/patents/1398069 · 18 Feb 2026
To provide a vehicular lamp system and a vehicular lamp which can reduce a replacement frequency of the vehicular lamp. The vehicular lamp system includes a vehicular lamp having a plurality of elements capable of irradiating a corresponding irradiation re...
https://drivepatents.com/patents/1392874 · 4 Jun 2025
A vehicle light includes: a light lens having a base panel made of a transparent plastic material, an outer paint layer disposed on an outer surface of the base panel, and an inner paint layer disposed on an inner surface of the base panel and including a ...
https://drivepatents.com/patents/950386 · 10 Jun 2015
The invention relates to a monitoring protection circuit for lighting systems, which comprises a lighting unit, a power supply, and a measuring device measuring electrical quantities, as well as a method which uses the monitoring protection circuit. The ob...
https://drivepatents.com/patents/969319 · 1 Oct 2014
The method involves generating a diagnostic signal (Idiag) in form of a diagnostic flow, which corresponds to a sum of diagnostic current from individual streams. The lamps (02-06) of light (01) are provided with failure detection unit (11) for light sourc...
https://drivepatents.com/patents/971083 · 20 Aug 2014
The system (SE) has an optical imaging system (17) receiving white light (B) re-emitted by a wavelength conversion device (15), and projecting the light in front of a vehicle to form a light beam. The wavelength conversion device is located in vicinity of ...
https://drivepatents.com/patents/982472 · 30 Oct 2013
A lighting control device for a vehicle according to the embodiment includes a display unit (8) ; a control device reception unit which receives non-lighted state information of a light source of a lighting system; and a control device control circuit (2) ...
https://drivepatents.com/patents/987229 · 21 Aug 2013
An apparatus for detecting abnormality in an LED (light-emitting diode) vehicle lamp (100) includes a detecting module (3) and a warning module (4). The LED vehicle lamp (100) includes a plurality of LEDs (101). The detecting module (3) is to be electrical...
https://drivepatents.com/patents/1000958 · 27 Jun 2012
The vehicle energy retrieving device includes an input current detection circuit (41), a boost converter circuit (42), an output voltage detection circuit (43), a power source (1) and a load end (3). The input current detection circuit (41) controls input ...
https://drivepatents.com/patents/1003510 · 11 Apr 2012
An automobile LED driving device includes a current setting portion to set multiple reference currents independently from one another for multiple respective current setting resistors connected externally, a current controller to select one of the multiply...
https://drivepatents.com/patents/1007531 · 30 Nov 2011
The arrangement has a semiconductor switching device (10) i.e. MOSFET transistor, with a load current output (12) for supplying load current (Il) to loads (V1, V2). A diagnosing current output (13) outputs diagnosing currents (Id-Id3) that are proportional...