Warning devices with Oscillating Light Patterns

• US 20170350573A1
• Filed: 05/30/2017
• Published: 12/07/2017
• Est. Priority Date: 06/02/2016
• Status: Active Grant

• Current Assignee: Federal Signal Corporation
• Original Assignee: Federal Signal Corporation
• Inventors: Fleszewski, Vincent S., Czajkowski, Robert A., March, JR., Robert R., Mostello, Allan
• Granted Patent: US 10,859,235 B2
• Time in Patent Office: Days
• CPC Class Codes: B60Q 1/0041 of several lamps in relation to each other
• CPC Class Codes: B60Q 1/26 the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
• CPC Class Codes: B60Q 1/2603 Attenuation of the light according to ambient luminiosity, e.g. for braking or direction indicating lamps
• CPC Class Codes: B60Q 1/2607 comprising at least two indicating lamps
• CPC Class Codes: B60Q 1/2611 Indicating devices mounted on the roof of the vehicle
• CPC Class Codes: B60Q 1/2615 mounted on the vehicle body, e.g. with magnets
• CPC Class Codes: B60Q 1/2619 built in the vehicle body
• CPC Class Codes: B60Q 1/268 on windscreens or windows B60Q1/302 takes precedence; lighting devices for vehicle interior on or for windows B60Q3/208
• CPC Class Codes: B60Q 1/28 for indicating front of vehicle
• CPC Class Codes: B60Q 1/52 for indicating emergencies
• CPC Class Codes: F21V 13/04 the elements being reflectors and refractors for vehicle rear lights F21S43/40
• CPC Class Codes: F21V 5/007 Array of lenses or refractors for a cluster of light sources, e.g. for arrangement of multiple light sources in one plane combination of two or more refractors F21V5/008
• CPC Class Codes: F21V 5/008 Combination of two or more successive refractors along an optical axis
• CPC Class Codes: F21V 5/02 of prismatic shape F21V5/04 takes precedence
• CPC Class Codes: F21V 5/04 of lens shape
• CPC Class Codes: F21V 5/08 producing an asymmetric light distribution
• CPC Class Codes: F21V 7/0016 on lighting devices that also provide for direct lighting, e.g. by means of independent light sources, by splitting of the light beam, by switching between both lighting modes
• 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: F21V 7/041 with conical or pyramidal surface
• CPC Class Codes: F21W 2111/00 Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in codes F21W2102/00 – F21W2107/00
• CPC Class Codes: F21Y 2105/00 : Planar light sources
• CPC Class Codes: F21Y 2115/10 : Light-emitting diodes [LED]
• CPC Class Codes: G08B 5/38 : using flashing light
• CPC Class Codes: H05B 47/10 : Controlling the light source

Abstract

An example warning device can include: a plurality of light sources forming an array; a plurality of reflectors, with at least one reflector being associated with each of the plurality of lights; at least one lens for each of the plurality of lights; and an optical prism plate that directs light from one or more of the plurality of lights to one of a plurality of far field light spots.

Claims

1. A warning device, comprising:

a plurality of light sources forming an array;

a plurality of reflectors, with at least one reflector being associated with each of the plurality of lights; and

an optical prism plate that directs light from one or more of the plurality of lights to one of a plurality of far field light spots.

2. The warning device of claim 1, wherein the plurality of reflectors are oriented to direct light from one or more of the plurality of light sources to one of a plurality of far field light spots.

3. The warning device of claim 1, further comprising at least one lens for each of the plurality of lights.

4. The warning device of claim 3, with at least one lens of the plurality of lenses being associated with each of the plurality of lights, and the plurality of lenses being configured to direct light from one or more of the plurality of light sources to one of a plurality of far field light spots.

5. The warning device of claim 3, wherein each of the plurality of reflectors and respective lens forms a reflector-lens combination, the reflector-lens combination being oriented to direct light from one or more of the plurality of lights to one of a plurality of far field light spots.

6. The warning device of claim 1, wherein each of the plurality of light sources is a light-emitting diode.

7. The warning device of claim 1, wherein the array is linear.

8. The warning device of claim 1, wherein the array is circular.

9. The warning device of claim 1, wherein the array is split into two separate arrays, with each of the arrays including at least two of the plurality of light sources.

10. The warning device of claim 9, wherein each of the arrays includes half of the plurality of light sources.

11. The warning device of claim 9, wherein a first of the arrays is a mirror of a second of the arrays.

12. The warning device of claim 1, further comprising a controller, wherein the controller is programmed to control illumination of each of the plurality of light sources.

13. The warning device of claim 12, wherein the pattern is a figure eight pattern or an oscillating pattern.

14. The warning device of claim 1, further comprising a siren configured to emit an emergency sound.

15. The warning device of claim 1, wherein the plurality of reflectors is integrated into the plurality of light sources.

16. A warning device for an emergency vehicle, comprising:

a plurality of light sources forming an array to be positioned on the emergency vehicle;

at least one lens for each of the plurality of lights; and

an optical prism plate that directs light from one or more of the plurality of lights to one of a plurality of far field light spots.

17. The warning device of claim 16, further comprising a plurality of reflectors, with at least one reflector being associated with each of the plurality of lights.

18. The warning device of claim 17, wherein the plurality of reflectors are oriented to direct light from one or more of the plurality of light sources to one of a plurality of far field light spots.

19. The warning device of claim 17, wherein each of the plurality of reflectors and respective lens forms a reflector-lens combination, the reflector-lens combination being oriented to direct light from one or more of the plurality of lights to one of a plurality of far field light spots.

20. The warning device of claim 16, with at least one lens of the plurality of lenses being associated with each of the plurality of lights, and the plurality of lenses being configured to direct light from one or more of the plurality of light sources to one of a plurality of far field light spots.