Helmet lighting system
Patent No. US9392832 (titled "Helmet lighting system") on Dec 13, 2013. The application was issued on Jul 19, 2016.
What is this patent about?
’832 is related to the field of safety headgear and integrated illumination systems. Specifically, it addresses the need for enhanced visibility and signaling for users of motorcycle, bicycle, and tactical helmets by incorporating active lighting directly into the helmet structure or an attachable accessory shell.
The underlying idea behind ’832 is the creation of a sealed sandwich architecture that encapsulates electronics between two protective layers. By mounting LEDs, controllers, and wiring onto a base layer and then sealing them with a second, often transparent outer layer, the invention creates a ruggedized, waterproof lighting module that can either be built into the helmet's primary structure or retrofitted as a conforming shell.
The claims of ’832 focus on a multi-layered assembly comprising a first mounting layer, light-emitting components, a controller, and a second layer that is fixably attached to the first to create an internal cavity for the electronics. The independent claims specifically cover three distinct implementations: a retrofit system for existing helmets, a fully integrated helmet unit, and a specialized version utilizing flexible layers to create an inflatable flotation space.
In practice, the system utilizes high-brightness LEDs driven by a low-power microcontroller capable of executing various flashing sequences or signaling turns and braking. The outer layer is typically made of polycarbonate and can be masked and painted to leave clear windows for the lights, ensuring the electronics remain protected from the elements while maintaining a sleek, aerodynamic profile. Power is supplied either by an onboard lithium-ion pack or an external source, such as a vehicle battery, connected via a dedicated adapter.
This approach differs from prior solutions by moving away from bulky, externally mounted lamps that are prone to snagging or water damage. By utilizing a vacuum-formed shell or flexible latex material, the invention ensures a flush fit that maintains the helmet's original safety geometry. Furthermore, the integration of a flotation arrangement in specific embodiments provides a unique dual-utility for maritime or emergency environments, combining active signaling with buoyancy.
How does this patent fit in bigger picture?
Technical Landscape
In the mid-2000s when ’832 was filed, portable illumination for safety gear was typically implemented using external, bolt-on lamp assemblies or adhesive-backed light strips that were prone to environmental damage and mechanical failure. At a time when systems commonly relied on bulky, discrete wiring harnesses and heavy alkaline battery packs, integrating active electronics directly into the structural layers of a helmet was non-trivial due to the engineering constraints of maintaining impact resistance while protecting delicate circuit components. Hardware limitations during this era meant that providing high-intensity signaling required significant power management, which was often handled by external power sources rather than streamlined, internal architectures.
Prosecution Position
The disclosed invention represents a technical advancement through the architectural integration of a multi-layered protective shell that doubles as an environmental enclosure for electronic signaling components. By mounting light-emitting diodes, a microcontroller, and low-resistance wiring directly to a first structural layer and sealing them beneath a transparent second layer, the system achieves a waterproof, crash-resistant assembly that maintains the aerodynamic and safety profiles of the helmet. This layered integration overcomes the technical constraints of traditional external mounts, which are susceptible to moisture and impact, while the use of a low-power circuit board and high-efficiency transistors enables sophisticated light sequencing and intensity control without generating heat that could compromise the helmet's structural integrity.
Claims
The patent contains a total of 18 claims, with claims 1, 9, and 13 being independent. These independent claims focus on a helmet lighting system featuring a multi-layered structure for housing light-emitting components, controllers, and wiring, as well as a specific embodiment of a floatable helmet incorporating an inflatable flotation arrangement. The dependent claims serve to further define the system by specifying the types of light sources, detailing the power and control mechanisms, and describing the materials and attachment methods used for the flotation and lighting components.
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US9392832
- Application Number
- US14106561A
- Filing Date
- Dec 13, 2013
- Publication Date
- Jul 19, 2016
- External Links
- Slate, USPTO , Google Patents