Method and apparatus for an adaptable vehicle light fixture
A method and apparatus for an adaptable vehicle light fixture is provided to activate directional illumination aspects of the light fixture based upon sensed characteristics of the vehicle. The vehicle may automatically sense its position, speed, acceleration, heading and angular velocity and may command the light fixture to emit symmetric and/or asymmetric beam patterns based upon the sensed vehicle characteristics. Directional light incident upon the light fixture may also be detected to allow intensity control thereby reducing glare to oncoming traffic. A vehicle light fixture may be pre-configured with lenses and wirelessly programmed for manual and/or automatic operation that is responsive to the pre-configuration. A plurality of vehicles with light fixtures mounted thereon comprise a network of light fixtures that are manually or adaptively controlled as a group.
1. A vehicular lighting system, comprising:
a battery configured to provide a first voltage to the vehicular lighting system; and
a light fixture contained within a single enclosure, the single enclosure being mounted to the vehicle, the light fixture including,
first and second lighting arrays each having a forward voltage;
a power converter coupled to the battery and to the first and second lighting arrays and configured to provide a current signal and a second voltage substantially equal to the forward voltage; and
first and second current controllers coupled to the first and second lighting arrays and configured to control a conductivity state of the first and second lighting arrays during first and second time slots, respectively, in response to first and second control signals, wherein the first and second control signals are activated from within an interior of the vehicle and wherein the first and second time slots are mutually exclusive within a time period.
2. The vehicular lighting system of claim 1 , further comprising first and second switches coupled to the first and second current controllers, wherein a user of the vehicle selectively activates the first and second switches to selectively activate the first and second control signals, respectively.
3. The vehicular lighting system of claim 1 , wherein a duration of the first time slot equals the time period when only the first control signal is activated.
4. The vehicular lighting system of claim 1 , wherein a duration of the second time slot equals the time period when only the second control signal is activated.
5. The vehicular lighting system of claim 1 , wherein a duration of the first time slot is equal to fifty percent of the time period and a duration of the second time slot is equal to fifty percent of the time period when the first and second control signals are activated.
6. The vehicular lighting system of claim 1 , wherein the control signals are activated wirelessly.
7. A vehicular lighting system, comprising:
a battery configured to provide a first voltage to the vehicular lighting system; and
a light fixture contained within a single enclosure, the single enclosure being mounted to the vehicle, the light fixture including,
a plurality of lighting arrays each having a forward voltage;
a power converter coupled to the battery and to the plurality of lighting arrays and configured to provide a current signal and a second voltage substantially equal to the forward voltage; and
a plurality of current controllers coupled to the plurality of lighting arrays and configured to control a conductivity state of the plurality of lighting arrays during a plurality of time slots, respectively, in response to a plurality of control signals, wherein the plurality of control signals are activated from within an interior of the vehicle and wherein the plurality of time slots are mutually exclusive within a time period.
8. The vehicular lighting system of claim 7 , further comprising a plurality of switches coupled to the plurality of current controllers, wherein a user of the vehicle selectively activates one or more of the plurality of switches to selectively activate one or more of the respective plurality of control signals.
9. The vehicular lighting system of claim 7 , wherein a duration of any one of the plurality of time slots equals the time period in response to the activation of its respective control signal.
10. The vehicular lighting system of claim 7 , wherein a duration of ones of the plurality of time slots is equal to the time period divided by the number of conductive lighting arrays in response to the activation of ones of the respective control signals.
11. The vehicular lighting system of claim 7 , wherein the plurality of control signals are activated wirelessly.
12. A method, comprising:
configuring a light fixture within a single enclosure for use on a vehicle;
provisioning a plurality of lighting arrays for use within the single enclosure;
from within the enclosure, converting a voltage received from the vehicle's battery to a second voltage and a current signal; and
activating one or more of the plurality of lighting arrays from within the vehicle by applying the second voltage across each activated lighting array and by conducting the current signal during mutually exclusive time slots within a time period by each activated lighting array, wherein a duration of each mutually exclusive time slot is inversely proportional to the number of activated lighting arrays.
13. The method of claim 12 , wherein activating one or more of the lighting arrays comprises activating a rocker switch associated with the activated lighting array.
14. The method of claim 12 , wherein each activated lighting array conducts the current signal during time slots of equal duration.
15. The method of claim 12 , wherein activating one or more of the lighting arrays comprises activating a rocker switch associated with two or more activated lighting arrays, wherein the two or more activated lighting arrays share a common zone.
16. The method of claim 15 , wherein each activated lighting array within the common zone conducts the current signal during time slots of equal duration.
17. The method of claim 16 , wherein each activated lighting array within the common zone is configured to produce a light distribution having common attributes.