ILLUMINATED ACCESSORY DEVICE FOR ENHANCING THE VISIBILITY OF WARNING SIGNAGE

Description

FIELD OF THE DISCLOSURE

The present invention relates to the field of safety signage systems, and more particularly to an illuminated accessory device for enhancing the visibility of warning signs, especially in temporary deployments and hazardous vehicle operations.

BACKGROUND OF THE RELATED ART

Warning signage plays a crucial role in modern transportation infrastructure, serving as a critical communication tool to alert road users of potential hazards, regulatory requirements, and important navigational information. Traditional warning signs, typically constructed from durable materials such as aluminum or high-grade polymers, are designed to maintain visibility through retroreflective surfaces that respond to vehicle headlights. These conventional signs have proven reliable under normal daylight conditions and when properly illuminated by approaching vehicles. However, their effectiveness can be significantly compromised during adverse weather conditions, in areas with limited ambient lighting, or in situations where immediate attention-grabbing capabilities are essential for public safety.

The evolution of warning signage has seen various improvements in materials and retroreflective technologies, yet these advancements primarily focus on passive visibility enhancement. The introduction of LED technology in traffic and safety applications has demonstrated significant advantages in terms of visibility and driver response times. Fixed LED signs, while highly effective, require permanent installation, substantial infrastructure modifications, and considerable financial investment. This creates a significant barrier for temporary or emergency applications, as well as for smaller municipalities or private contractors who require flexible deployment options.

Current warning signage systems face several technical challenges that impact their effectiveness in real-world applications. Standard retroreflective signs rely heavily on external light sources for visibility, making them less effective in low-light conditions or when approached from angles that don't optimize retroreflective properties. Additionally, traditional signs lack the ability to attract attention through dynamic visual elements, which can be crucial in high-risk or emergency situations. The durability of conventional signs, while generally adequate for standard conditions, can be compromised by extreme weather events or physical impacts, leading to reduced visibility and effectiveness over time.

The integration of LED technology in fixed signage has attempted to address some of these limitations, but current solutions typically require permanent installation and dedicated power infrastructure. This creates a significant gap in the market for temporary or mobile applications where enhanced visibility is crucial but permanent installation is impractical or undesirable. Furthermore, the cost and complexity of replacing existing signage with LED-integrated versions present significant economic and logistical challenges for many organizations responsible for road safety.

A critical missing element in current technology is the ability to retrofit existing warning signage with active illumination capabilities without compromising the original sign's integrity or requiring specialized installation procedures. This gap is particularly relevant in scenarios involving temporary road works, emergency response situations, or hazardous vehicle operations where enhanced visibility is crucial but permanent modifications are not feasible.

The technical problem addressed by the retrofit solution encompasses several key challenges: the need for a non-destructive attachment mechanism that can accommodate various sign shapes and sizes, the requirement for autonomous power management that eliminates the need for external power sources, and the necessity for reliable operation under diverse environmental conditions. Additionally, the solution must address the need for simplified installation and removal procedures that don't require specialized tools or training, while maintaining the structural integrity and visibility of the underlying warning signage.

This technological gap has created a pressing need for an adaptive solution that can enhance existing warning signage without the limitations and infrastructure requirements of current LED-integrated signs. The retrofit approach presents an opportunity to bridge this gap by providing a flexible, cost-effective means of upgrading conventional warning signage with active illumination capabilities, while maintaining the ability to quickly deploy and relocate as needed. This addresses both the immediate safety requirements of temporary installations and the longer-term need for enhanced visibility in permanent warning signage applications.

DESCRIPTION OF RELATED ARTS

U.S. Pat. No. 9,927,811 B1 to Tseng et al. discloses a traffic warning triangle equipped with a binocular camera and control modules for autonomous obstacle avoidance during placement. However, it does not address illumination or retrofit accessories for enhancing the visibility of existing warning signs under low-light or hazardous conditions. Another prior art U.S. Pat. No. 9,902,317 B1 to Chuang et al discloses a control system for a mobile warning triangle utilizing distance sensors and internet connectivity to generate environmental and linear vector maps for autonomous route planning. However, it is limited to navigation and movement functions and does not provide illuminated or attachable accessories for improving the visibility of stationary warning signage.

U.S. Pat. No. 6,276,080 B1 to Brennan discloses an auto emergency warning marker designed to hang on a vehicle's side window. It includes reflective plastic panels forming a foldable triangle and a hook mechanism for window mounting. The device provides passive reflection only and lacks any powered illumination or autonomous lighting control features. In yet another prior art, U.S. Pat. No. 5,775,253 A to Quan et al. discloses a collapsible warning triangle stored in a separable case, the case halves serving as supports when the triangle is erected. The system focuses on compact storage and structural stability rather than on active illumination or flexible attachment mechanisms.

U.S. Pat. No. 4,952,910 to Straten et al. discloses a foldable warning triangle equipped with illuminating and audible alerting indicators powered by internal or external power sources. However, it is limited to integrated illumination and sound alerts, without providing a retrofit accessory adaptable to existing warning signs or signage systems. Similarly, U.S. Pat. No. 5,551,370 to Wang discloses a warning triangle assembly composed of interlocking angular portions forming an isometric triangular structure. While the design facilitates compact folding and assembly, it does not incorporate autonomous lighting, power control, or attachment mechanisms for existing signage. U.S. Pat. No. 3,933,119 to Hedgewick et al. further discloses a collapsible triangular traffic signaling device having pivotally connected leg members with reflective surfaces. Although it enhances portability and visibility through reflective means, it lacks active illumination, autonomous power, or retrofit capability adaptable to flexible warning signage configurations.

U.S. Patent Application Publication No. 2021/0366277A1 to Abedi et al. discloses an alert system comprising a beacon device equipped with sensors such as LiDAR, a processor configured to calculate vehicle distance and velocity, and activation of audible and visual alerts based on threshold conditions. While it provides dynamic warning capabilities, it is limited to sensor-based detection systems and does not address retrofittable illumination or power management for static signage. U.S. Patent Application Publication No. 2021/0221281A1 to Tohikian discloses a portable rooftop beacon for vehicles incorporating magnetic supports, extendable masts, and multiple lighting elements to enhance visibility. However, it is primarily designed for vehicular mounting and lacks adaptability for integration with existing warning signs or planar safety markers. U.S. Patent Application Publication No. 2021/0002170A1 to Chien et al. discloses a modular charging and lighting assembly featuring wired or wireless power delivery and attachable lighting components, such as LED lights with imaging capabilities. Although it provides illumination and modularity, it does not teach a flexible illuminated accessory device for enhancing visibility of existing warning signage.

U.S. Patent Application Publication No. 2020/0369203A1 to Kim discloses an emergency notification device for vehicles comprising a telescoping support pole and a foldable light-emitting frame, which deploys automatically through elastic coupling of pole rods. While the device enhances vehicular visibility, it is structurally limited to self-contained pole-based assemblies and does not provide a retrofit illumination accessory adaptable to existing signage. U.S. Patent Application Publication No. 2020/0307447A1 to Cobb et al. discloses a hazard beacon system interfaced with a vehicle wiring harness to control strobe-capable light segments forming a hazard symbol. Although it introduces microcontroller-based lighting control, it remains dependent on vehicular systems and lacks flexibility for independent or portable signage enhancement. U.S. Patent Application Publication No. 2020/0114815A1 to Massengill et al. discloses an anti-tailgating system incorporating sensors and signaling devices to maintain safe following distances. The system activates visual and textual signals in response to proximity thresholds, yet it focuses on inter-vehicle communication rather than standalone, illuminated signage for static hazard warnings.

None of the above-described prior art references teach or suggest an illuminated accessory device specifically configured to retrofit existing warning signage for enhanced visual safety. The prior systems primarily relate to self-contained, vehicle-mounted, or sensor-based signaling devices that lack adaptability for flexible signage configurations. In contrast, the present invention provides a modular, weather-resistant illumination accessory incorporating autonomous power management, interchangeable attachment mechanisms, and synchronized or unsynchronized lighting control. This configuration enables rapid deployment and improved visibility of static or temporary warning signs, particularly in hazardous or low-light environments.

SUMMARY OF THE INVENTION

The present invention provides an innovative solution for enhancing the visibility and effectiveness of warning signage through a versatile, retrofit accessory device. The accessory device comprises a flexible body portion that substantially conforms to the shape of conventional warning signs, incorporating advanced lighting elements, an internal control system, and multiple attachment options to accommodate various deployment scenarios. This comprehensive design addresses the critical need for improved signage visibility while maintaining the flexibility required for temporary and permanent installations.

The flexible body portion of the invention features both frontal and rear surfaces, with the frontal surface hosting a plurality of lighting elements strategically positioned to maximize visibility. These lighting elements can be operated in either synchronized or unsynchronized patterns, providing versatile attention-grabbing capabilities suitable for different environmental conditions and safety requirements. The rear surface incorporates various attachment mechanisms, offering multiple options for securing the device to existing warning signs without compromising their structural integrity or original functionality.

A key feature of the invention is its modular attachment system, which includes three distinct securing methods. The first method utilizes magnetic elements strategically placed on the rear surface, enabling quick installation and removal while ensuring secure attachment to metallic sign surfaces. The second method incorporates an adhesive system suitable for non-metallic surfaces or situations requiring additional security. The third method features adjustable strapping members that can accommodate various sign sizes and shapes, providing a universal attachment solution. Additionally, the invention includes an innovative pocket-like provision designed to fully encase existing warning signs, offering yet another attachment option that provides comprehensive protection while maintaining visibility.

The invention's control system is integrated within the flexible body portion and manages both the power distribution and lighting patterns. This system includes a controller that can be programmed to operate the lighting elements in various patterns, responding to different environmental conditions or specific safety requirements. The power source is self-contained, eliminating the need for external power connections and enabling truly autonomous operation in any location.

The device's weather-resistant construction ensures durability and reliability in various environmental conditions, while its flexible nature allows for easy storage and transport when not in use. This combination of durability and portability makes the invention particularly suitable for temporary road works, emergency situations, and hazardous vehicle operations where enhanced visibility is crucial.

A further advantage of the invention lies in its retrofit capability, allowing enhancement of existing warning signage without structural alteration or replacement. This makes the invention especially valuable for municipalities, contractors, and fleet operators seeking cost-effective solutions to improve road and workplace safety without the expense of manufacturing entirely new signage.

The invention's adaptable configuration supports use across a wide range of applications, from short-term hazard marking to long-term installation in environments requiring consistent high visibility. The combination of flexible mounting options, autonomous power, and advanced illumination control provides a reliable, deployable, and reusable system that significantly improves the overall safety performance of traditional warning signage.

BRIEF DESCRIPTION OF THE DRAWINGS

The accompanying drawings illustrate several embodiments of the invention and, together with the description, serve to explain the principles of the invention according to the embodiments. One skilled in the art will recognize that the particular embodiments illustrated in the drawings are merely exemplary, and are not intended to limit the scope of the present invention.

FIG. 1 is a front isometric view illustrating the accessory with synchronized/unsynchronized lighting elements and internal control system.

FIG. 2 is an alternative rear view demonstrating strapping member attachment system.

FIG. 3 is a front isometric view demonstrating synchronized/unsynchronized lighting elements with rivets.

FIG. 4 is a front view showing accessory secured to warning sign using bungee cords.

FIG. 5 is a rear view showing magnetic/adhesive attachment mechanisms for securing the accessory to signage.

FIG. 6 is a front view showing pocket-style accessory design with integrated lighting elements.

FIG. 7 is a sequential view demonstrating installation process of warning sign into pocket-style accessory.

FIG. 8 shows a completed assembly showing warning sign fully inserted into illuminated pocket-style accessory.

FIG. 9 is a conventional warning sign deployment scenario near hazardous/disabled vehicle.

FIG. 10 is an additional perspective of combined vehicle-mounted and standalone accessorized warning systems.

DETAILED DESCRIPTION OF THE INVENTION

Unless otherwise defined, all technical terms used herein related to illumination systems, safety signage, visibility enhancement, and attachment mechanisms have the same meaning as commonly understood by one of ordinary skill in the relevant arts of traffic safety, emergency warning systems, and illuminated signage. It will be further understood that terms such as “synchronized lighting,” “flexible attachment,” “power management,” and other technical terms commonly used in the fields of safety signage and illumination systems should be interpreted as having meanings consistent with their usage in the context of this specification and the current state of warning signage technology. These terms should not be interpreted in an idealized or overly formal sense unless expressly defined herein. For brevity and clarity, well-known functions or constructions related to lighting systems, power management, or attachment mechanisms may not be described in detail.

The terminology used herein describes particular embodiments of the illuminated warning signage accessory and is not intended to be limiting. As used herein, singular forms such as “a lighting element,” “an attachment mechanism,” and “the control system” are intended to include plural forms as well, unless the context clearly indicates otherwise. Similarly, references to “lighting pattern” or “attachment process” should be understood to include multiple instances or variations of such elements, where applicable.

With reference to the use of the words “comprise” or “comprises” or “comprising” in describing the components, processes, or functionalities of the illuminated warning signage accessory, and in the following claims, unless the context requires otherwise, these words are used on the basis and clear understanding that they are to be interpreted inclusively rather than exclusively. For example, when referring to “comprising a lighting system,” the term should be understood to mean including but not limited to the described illumination capabilities, and may include additional related functionalities or components not explicitly described. Each instance of these words is to be interpreted inclusively in construing the description and claims, particularly in relation to the modular and adaptable nature of the warning signage accessory described herein.

Furthermore, terms such as “connected,” “coupled,” or “integrated with” as used in describing the interaction between various components of the system (such as between the lighting elements and the control system) should be interpreted to include both direct connections and indirect connections through one or more intermediary components, unless explicitly stated otherwise. References to “illuminating,” “securing,” or “adapting” should be understood to encompass both continuous operations and intermittent or patterned functionality, unless specifically limited to one or the other in the context.

FIG. 1 illustrates a front view of the warning signage accessory device 100, which represents the primary embodiment of the invention. The accessory 100 is shown in its complete form, featuring a flexible body portion that substantially conforms to the shape of a standard warning sign. The front surface prominently displays a plurality of synchronized or unsynchronized lighting elements 2, which are strategically positioned to maximize visibility and attention-grabbing capabilities. These lighting elements 2 are arranged in a pattern that complements the warning sign's intended message while providing enhanced visibility in various lighting conditions. The internal controller and power source 10 is housed within the flexible body portion, though not visible from the front view. This integrated component 10 manages both the power distribution and control of the lighting elements 2, enabling various illumination patterns and ensuring efficient power management. A power button 14 is provided on the front surface of the device and operatively connected to the controller 10, allowing a user to activate or deactivate the illumination system manually. The overall design maintains the recognizable shape and proportions of conventional warning signage while incorporating these advanced visibility-enhancing features. The front view demonstrates how the accessory 100 preserves the essential warning sign characteristics while adding the crucial element of active illumination through the lighting system 2.

FIG. 2 provides a comprehensive rear view of the accessory 100 when attached to a warning signage 1, showing how the complete system comes together. This illustration demonstrates the practical application of the strapping member 4 in securing the accessory 100 to the warning signage 1. The view shows how the conventional warning signage 1 is transformed into an enhanced warning system 102 through the integration of the accessory. The strapping member 4 is shown in its deployed state, securing the accessory 100 firmly to the warning signage 1, creating a stable and reliable assembly. This perspective allows visualization of how the accessory 100 conforms to the warning signage 1 while maintaining its structural integrity.

The resulting combination 102 demonstrates how the original warning signage functionality is preserved while being enhanced through the addition of the accessory system. The view effectively illustrates the seamless integration between the accessory 100 and the base warning signage 1, showing how they work together as a unified system 102.

FIG. 3 is a front isometric view of the warning signage accessory 100, showcasing demonstrating synchronized/unsynchronized lighting elements with rivets. The rivets 11 are preferably formed of metallic, corrosion-resistant material and may optionally include grommet reinforcements to distribute mechanical stress and prevent tearing of the flexible body material. Each rivet 11 serves as a reinforced anchor point configured to receive and secure a bungee cord hook, thereby providing a durable and stable connection between the accessory device and the underlying warning sign.

FIG. 4 illustrates a front view of the warning signage accessory device 100, showing the attachment mechanism employing bungee cords 12 as a preferred mode of securing the device to a warning sign or similar surface. The figure highlights stitching 20 along the perimeter and stress-bearing regions of the flexible body portion, providing reinforcement and ensuring the structural integrity of the device under tension. The rivets 11, positioned at each corner of the accessory, serve as reinforced anchor points for the bungee hooks 13 attached to the ends of the bungee cords 12. Each bungee cord 12 extends outwardly to engage the corners or mounting points of a warning sign, enabling rapid installation and removal without tools. The stitching 20 and rivets 11 collectively distribute mechanical stress evenly across the flexible body material, preventing tearing or deformation during repeated use. This embodiment demonstrates the bungee cord attachment system as one of several modes of attachment envisioned in the invention, providing secure, reusable, and vibration-resistant mounting for temporary and mobile applications.

FIG. 5 presents a rear view of the warning signage accessory 100, focusing on the attachment mechanisms that enable secure mounting to existing warning signs. This view reveals the practical implementation of the accessory's mounting system. The rear surface of accessory 100 is equipped with strategic attachment points featuring either adhesive surfaces or magnetic elements 3, which are designed to provide secure and reliable attachment to the warning signage body. These attachment mechanisms 3 are positioned to ensure optimal weight distribution and stability when the accessory is mounted. The adhesive or magnetic elements 3 are engineered to maintain strong adhesion under various environmental conditions while allowing for removal without damaging the underlying signage. The rear view demonstrates how the attachment system is integrated into the flexible body structure of the accessory 100, providing a clean and professional appearance while ensuring reliable functionality. This configuration allows for quick installation and removal while maintaining the integrity of both the accessory and the base warning sign.

FIG. 6 illustrates an innovative “pocket” design variation of the warning signage accessory 100, demonstrating a fully integrated approach to enhancing warning signage visibility. This configuration shows the accessory 100 featuring synchronized or unsynchronized lighting elements 2 arranged across its surface, while incorporating a specialized pocket-like provision 5 designed to fully encase a warning sign. The pocket-like provision 5 represents a significant advancement in attachment methodology, offering a comprehensive solution that protects and enhances the warning signage simultaneously. The lighting elements 2 are strategically positioned around the pocket-like provision 5 to ensure maximum visibility while maintaining the structural integrity of the pocket design. This design demonstrates how the accessory 100 can provide both protective and visibility-enhancing functions through its innovative pocket-style construction. The pocket-like provision 5 is engineered to accommodate standard warning sign dimensions while ensuring ease of installation and removal.

FIG. 7 presents a dynamic view of the accessory 100 during the installation process, showing how a warning signage 1 is inserted into the pocket-like provision 5. The synchronized or unsynchronized lighting elements 2 are visible on the front surface, while the pocket-like provision 5 is shown partially receiving the warning signage 1. This sequential view is crucial for understanding the practical application of the pocket-style design, demonstrating how the accessory 100 is designed to easily accommodate the warning signage 1 while maintaining the functionality of the lighting elements 2. The illustration effectively shows the relationship between the pocket-like provision 5 and the warning signage 1, highlighting the user-friendly nature of the installation process. The lighting elements 2 remain unobstructed and fully functional throughout the installation process, ensuring continuous visibility enhancement capabilities.

FIG. 8 shows the completed assembly of the pocket-style accessory 100 fully integrated with a warning signage 1, creating the enhanced warning system 102. The synchronized or unsynchronized lighting elements 2 are shown in their final operational position, while the pocket-like provision 5 securely holds the warning signage 1. This view demonstrates how the complete system 102 functions as a unified device, with the warning signage 1 fully inserted and secured within the pocket-like provision 5. The lighting elements 2 provide enhanced visibility while the pocket design ensures stable and secure attachment. The finished assembly 102 represents the successful integration of traditional warning signage with modern illumination technology, all contained within a secure and protective pocket-style housing.

FIG. 9 introduces a dual-deployment configuration showing both the enhanced warning system 102 and an additional accessory 100 attached directly to the hazardous vehicle 30. This innovative approach demonstrates how multiple units can be used simultaneously to create a more comprehensive warning system. The vehicle-mounted accessory 100 works in conjunction with the ground-deployed enhanced warning signage 102 to provide multiple points of visibility enhancement around the hazardous vehicle 30. This configuration illustrates the system's versatility in addressing visibility needs through multiple deployment methods.

FIG. 10 provides a final perspective of the dual-deployment setup, showing both the vehicle-mounted accessory 100 and the enhanced warning signage 102 positioned around the hazardous vehicle 40. This view further demonstrates the comprehensive nature of the warning system when deployed in multiple locations. The illustration shows how the accessory 100 mounted on the vehicle integrates with the enhanced warning signage 102 to create a complete visibility enhancement system around the hazardous vehicle 40. This configuration represents the most comprehensive application of the invention, maximizing visibility and safety through multiple points of enhanced warning.

While the foregoing figures illustrate exemplary embodiments of the illuminated warning signage accessory and its deployment configurations, variations in material composition, attachment techniques, and lighting control systems may be employed without departing from the scope of the invention as claimed.