LED light bar

• US 7,033,036 B2
• Filed: 10/28/2004
• Issued: 04/25/2006
• Est. Priority Date: 08/04/1999
• Status: Expired due to Fees

• Current Assignee: 911EP Incorporated (Safariland LLC)
• Original Assignee: 911EP Incorporated (Safariland LLC)
• Inventors: Pederson, John C.
• Primary Examiner(s): Husar, Stephen F
• Application Number:
  US10/977,535
• Publication Number:
  US 20050099317A1
• Time in Patent Office: 544 Days
• Field of Search: 362/35, 362/231, 362/240, 362/493, 362/540, 362/542, 362/545, 362/800, 340/472, 340/815.45
• US Class Current: 362/35
• CPC Class Codes: B60Q 1/2611 Indicating devices mounted on the roof of the vehicle
• CPC Class Codes: B60Q 2900/40 Several lamps activated in sequence, e.g. sweep effect, progressive activation
• CPC Class Codes: B60Q 7/00 Arrangement or adaptation of portable emergency signal devices on vehicles
• CPC Class Codes: F21K 9/00 Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
• CPC Class Codes: F21S 10/06 flashing, e.g. with rotating reflector or light source signalling lighting devices mounted on vehicles B60Q1/26
• CPC Class Codes: F21S 4/20 with light sources held by or within elongate supports
• CPC Class Codes: F21S 4/22 flexible or deformable, e.g. into a curved shape
• CPC Class Codes: F21S 4/28 rigid, e.g. LED bars
• CPC Class Codes: F21V 29/70 characterised by passive heat-dissipating elements, e.g. heat-sinks
• CPC Class Codes: F21V 7/0083 Array of reflectors for a cluster of light sources, e.g. arrangement of multiple light sources in one plane combination of two or more reflectors F21V7/0025
• CPC Class Codes: F21W 2107/00 Use or application of lighting devices on or in particular types of vehicles
• CPC Class Codes: F21Y 2105/10 comprising a two-dimensional array of point-like light-generating elements
• CPC Class Codes: F21Y 2115/10 Light-emitting diodes [LED]
• CPC Class Codes: Y10S 362/80 Light emitting diode

Abstract

A light emitting diode (LED) warning signal light, the warning signal light comprising a plurality of light sources constructed and arranged with a reflector or culminator, the LED light source being in electrical communication with a controller and a power supply, battery, or other electrical source. The warning signal light provides various colored light signals for independent use or use on an emergency vehicle. The warning light signals may include a strobe light, revolving light, an alternating light, a flashing light, a modulated light, a pulsating light, an oscillating light or any combination thereof. The controller may further be adapted to regulate or modulate the power intensity exposed to the illuminated LED'"'"'s to create a variable intensity light signal.

Claims

1. A light bar comprising:

a) a longitudinally extending base;

b) at least one light emitting diode assembly connected to said base, said at least one light emitting diode assembly having a plurality of light emitting diode light sources receiving power from a power source; and

c) a supplemental illumination support engaged to said base, said supplemental illumination support having a plurality of light emitting diode light sources, said light emitting diode light sources being constructed and arranged for transmission of at least one light signal.

2. The light bar according to claim 1, further comprising a light signal activator in electric communication with said light emitting diode light sources for illumination of at least one warning light signal.

3. The light bar according to claim 2, further comprising a first reflector positioned proximate to said at least one light emitting diode assembly.

4. The light bar according to claim 3, further comprising a second reflector positioned proximate to said supplemental illumination support.

5. The light bar according to claim 4, each supplemental illumination support comprising a rotational device engaged to said light emitting diode light sources, said rotational device constructed and arranged to rotate said light emitting diode light sources.

6. The light bar according to claim 4, each supplemental illumination support comprising a rotational device engaged to said second reflector, said rotational device being constructed and arranged to rotate said second reflector.

7. The light bar according to claim 4, said at least one light emitting diode assembly comprising a plurality of sectors of said light emitting diode light sources.

8. The light bar according to claim 4, wherein said at least one light emitting diode assembly is constructed and arranged to be modular having electrical couplers.

9. The light bar according claim 4, wherein said light signal activator is in electric communication with said light emitting diode light sources, said light signal activator being constructed and arranged to selectively activate said light emitting diode light sources thereby producing at least two different types of visually distinct warning light signals.

10. The light bar according to claim 4, wherein said light signal activator is in electric communication with said light emitting diode light sources and said light signal activator is constructed and arranged to independently illuminate said light emitting diode light sources.

11. The light bar according to claim 4, wherein at least two different types of visually distinct warning light signals are produced simultaneously.

12. The light bar according to claim 4, wherein at least two different types of visually distinct warning light signals are produced in at least one combination.