DESC:4. DESCRIPTION
Technical Field of the Invention

This patent application pertains to the field of firearms training and simulation systems, particularly to a simulator designed to replicate the operation and handling of a gas-operated selective fire Light Machine Gun (LMG) for training and skill development purposes.

Background of the Invention

Firearms training is a critical component of military, law enforcement, and security operations, where the need for precision, safety, and readiness is paramount. The modern battlefield demands personnel to not only possess an in-depth understanding of their weapons but also to be proficient in their operation under various conditions.

Among the wide array of firearms, Light Machine Guns (LMGs), such as the NEGEV LMG, represent a unique class of weapons. These firearms are designed to provide sustained automatic firepower in combat, making them invaluable for suppressive fire and area control. However, the complexity of such weapons requires extensive training to ensure personnel can operate them efficiently and effectively.

The NEGEV LMG, developed by Israel Weapon Industries (IWI), has become a trusted weapon for military forces worldwide, including the Indian Army. The weapon is known for its robustness, reliability, and versatility, able to fire both 5.56×45mm NATO and 7.62×51mm NATO rounds. With its gas-operated, air-cooled, and belt-fed mechanism, the NEGEV LMG provides a balance between firepower and accuracy, making it a crucial asset in both infantry and special forces operations. It is designed to function in a wide range of environments, including extreme conditions, further solidifying its position as a weapon of choice for modern militaries.

For the Indian Army, the induction of the NEGEV LMG marked a significant step toward modernization. The acquisition of over 16,000 units in 2020 was aimed at replacing outdated machine guns and enhancing the firepower of frontline troops. As with any complex weapon system, however, the successful deployment of the NEGEV LMG depends on the operator's ability to handle the weapon effectively under stress. This places a considerable burden on training programs to ensure that soldiers not only understand the mechanics of the gun but are also able to execute precise, controlled firing in live combat scenarios.

Traditional live-fire training methods for firearms like the NEGEV LMG, while effective in theory, are often fraught with practical challenges. Live-fire exercises require access to extensive range facilities, significant amounts of ammunition, and adherence to strict safety protocols. The cost associated with such training is often prohibitive, with ammunition alone representing a considerable expense. Moreover, range facilities capable of handling sustained automatic fire are not always readily available, particularly in regions where military units are stationed far from urban centers. This creates logistical bottlenecks that limit the frequency and quality of training exercises.

Safety concerns are another significant factor. Live-fire training, especially with automatic weapons, carries inherent risks. For trainees still learning to handle the weapon, the dangers of misfires, accidental discharges, and other incidents are very real. Ensuring the safety of both the trainee and those around them during such exercises requires constant vigilance and supervision, often restricting the scope of training that can be conducted in a live-fire scenario. Additionally, the physical and psychological stress of live firing, while valuable in replicating battlefield conditions, can sometimes be overwhelming for inexperienced operators, potentially leading to mistakes that could have severe consequences.

In response to these challenges, simulators have emerged as a valuable tool for firearms training. By offering a controlled and safe environment, simulators allow trainees to become familiar with the operation of firearms without the need for live ammunition or the associated risks. Modern firearm simulators can replicate a wide range of weapon functionalities, including aiming, trigger control, recoil management, and malfunction drills. These systems provide a realistic training experience that can be tailored to individual learning curves, allowing trainees to practice essential skills without the pressure of a live-fire environment.

However, despite the availability of simulators, the market for Light Machine Gun simulators remains underdeveloped. Many existing simulators are focused on small arms and rifles, often neglecting the specific needs of automatic weapons like the NEGEV LMG. The complexity of LMGs—particularly their rate of fire, recoil management, and ammunition handling—requires a more sophisticated training solution. Without the proper simulation tools, operators may not receive adequate preparation to handle the unique challenges presented by such weapons in live combat scenarios.

Existing small arms simulators, while useful, suffer from significant limitations that hinder their effectiveness for training with more complex weapons like the NEGEV LMG. One example of prior art is RU2301950C1, which discloses a recoil simulator for shooting training. This system consists of a mock weapon equipped with a pneumatic actuator mounted on a movable bracket, connected by a hinge to the weapon. While this setup allows for some level of recoil simulation, it is ultimately limited in its ability to replicate the full experience of using an LMG in combat. The reliance on pneumatic systems introduces mechanical wear and tear over time, reducing the durability and reliability of the simulator.

Similarly, RU2150065C1 describes a weapon recoil simulator that uses a force source (a pneumatic cylinder) mounted on a movable arm connected to a vertical column. While this system provides feedback on the recoil of the weapon, it fails to address other critical aspects of LMG operation, such as magazine changes, malfunction handling, and sustained automatic fire. Furthermore, the system's reliance on mechanical components increases the likelihood of breakdowns and maintenance issues, limiting its effectiveness for long-term training programs.

Another prior art example, RU2301951C1, outlines a pneumatic recoil simulator for automatic weapons. This system features a mock automatic weapon with a pneumatic cylinder mounted on the barrel, designed to simulate the movement of the bolt frame and trigger mechanism. While this system provides a basic simulation of recoil, it does not offer the level of detail required for training with more advanced weapons like the NEGEV LMG. The lack of dynamic training scenarios, real-time performance feedback, and integration with broader tactical exercises limits the utility of this simulator for comprehensive LMG training.

In the United States, US5117735A describes a dual-feed light machine gun with a belt and magazine feeding mechanism. While this patent focuses on the mechanical design of the weapon, it does not address the training challenges associated with its use. The development of simulators for such weapons remains a gap in the market, with existing solutions failing to meet the needs of modern military forces.

AT147244B discloses a compressed air training weapon that mimics standard machine guns using a compressed air system. While this approach offers a basic level of training, it falls short of providing the comprehensive experience required for weapons like the NEGEV LMG. The lack of feedback mechanisms, dynamic scenarios, and integration with team-based training exercises limits its effectiveness for modern military applications.

Given the limitations of existing simulators, there is a dire need for an advanced Light Machine Gun (LMG) training simulator that can provide a comprehensive and realistic training experience. Such a simulator must replicate the full range of LMG functionality, including recoil, trigger control, magazine handling, malfunction drills, and sustained fire management. Moreover, it should be capable of integrating with broader tactical training scenarios, allowing operators to practice not only individual skills but also team coordination and communication during combat exercises.

Brief Summary of the Invention

The following presents a simplified summary of the disclosure in order to provide a basic understanding to the reader. This summary is not an extensive overview of the disclosure, and it does not identify key/critical elements of the invention or delineate the scope of the invention. Its sole purpose is to present some concepts disclosed herein in a simplified form as a prelude to the more detailed description that is presented later.

The main objective of the invention is to provide a cutting-edge Light Machine Gun (LMG) training simulator that replicates real-world firearm use without requiring live ammunition. The simulator is designed to offer realistic training scenarios that simulate all operational aspects of the firearm, such as firing modes, recoil, barrel changes, and ammunition management. By closely mimicking these features, the simulator allows military personnel to train in a controlled environment with minimal risk and maximum effectiveness.

Another key objective is to deliver real-time feedback to trainees during simulated training exercises. This feedback system will enable trainees to monitor their performance on various metrics such as target accuracy, timing, and weapon handling, allowing for continuous improvement. The ability to gather and analyze this data in real-time allows instructors to provide more personalized training experiences, further increasing combat readiness.

Another object of the invention is to develop a training system that minimizes the logistical and financial burdens associated with live-fire exercises. Live-fire drills require vast amounts of ammunition, specialized ranges, and extensive safety precautions, all of which are costly and resource-intensive. By replacing live-fire drills with a high-fidelity simulation, the system offers a more cost-effective and efficient way to conduct repeated training sessions.

Additionally, the invention seeks to provide a modular and versatile platform that can be adapted to simulate various firearms, including machine guns, rifles, and other small arms. This versatility allows the training system to be used across different military units and training objectives, making it an all-encompassing solution for comprehensive firearms training.

The present invention relates to a Light Machine Gun (LMG) training simulator system that replicates the key operational features of the firearm while incorporating advanced sensor technology, real-time feedback, and customizable training scenarios. The simulator includes a sensorized mockup weapon integrated with key components such as a quick-change barrel mechanism, a sensor-based magazine assembly, and a Printed Circuit Board (PCB) plate assembly that coordinates all sensor data.

At the core of the system is the Infrared Laser Unit (ILU) Assembly, which simulates target engagement and provides real-time feedback on accuracy and performance. This ILU allows trainees to practice precision shooting without needing to use live ammunition. The system also incorporates a quick-change barrel mechanism, which allows users to practice the procedure of barrel swapping during extended firing sessions, accurately simulating real operational behavior.

The sensor-based magazine assembly plays a crucial role in providing feedback on ammunition management. It allows the system to simulate both belt-fed and magazine-fed reloading scenarios, offering real-time data on magazine status, including whether it is properly inserted and how much ammunition remains. This functionality is vital for helping trainees develop the necessary muscle memory and situational awareness required in real combat.

Another essential aspect of the invention is the firing mode simulation, which replicates the safe, semi-automatic, and full-automatic modes found on modern machine guns. Sensors integrated into the triggering unit and safety mechanism monitor the firing mode in real-time and provide instant feedback to the trainee. These sensors also track the precise position of the hammer and breech block, ensuring proper alignment during simulated firing.

To enhance the realism of the simulation, the system incorporates a solenoid valve that provides customizable recoil feedback. This system allows trainees to experience the tactile sensation of firing a real machine gun, with different levels of recoil depending on the firing mode selected. Additionally, a laser aiming device is included for precise target engagement, further improving the accuracy of the training experience.

The system’s PCB plate assembly houses various sensors that track critical parameters such as magazine status, firing mode, and target distance. The data collected by these sensors is processed in real-time and transmitted to the fire control system. This ensures that the system remains responsive and accurate during extended training sessions, and it is equipped with advanced thermal management features to protect the electronic components from overheating.

The LMG training simulator system is particularly well-suited for use in military training environments, where it provides a safe and cost-effective alternative to live-fire exercises. By replicating the key operational characteristics of machine guns and other small arms, the system allows soldiers to train in a controlled, low-risk environment. This reduces the logistical challenges and financial costs associated with using live ammunition, making it a valuable training tool for military organizations worldwide.

One of the primary advantages of the system is its ability to offer real-time feedback on performance. During training exercises, the system tracks various metrics such as accuracy, timing, and weapon handling. This data is immediately available to both trainees and instructors, allowing for targeted adjustments and continuous improvement. Over time, the feedback mechanism helps trainees refine their skills, improving their overall proficiency and combat readiness.

Another significant advantage of the system is its safety. Live-fire training comes with inherent risks, including accidental discharges and injuries. By using a fully simulated environment, the system eliminates these dangers, allowing trainees to focus on improving their skills without the added stress of live ammunition. This makes it particularly useful for training new recruits or for training in environments where live-fire ranges are not readily available.

The system is also highly cost-effective, as it reduces the need for ammunition and specialized training facilities. By offering a reusable training platform, the system allows for multiple, repeated training exercises without the need for expensive consumables like ammunition. This makes it a highly efficient solution for large-scale training programs that require frequent practice sessions.

Another advantage of the system is its modularity. While it is designed primarily for machine gun training, the system can be easily adapted to simulate other firearms such as rifles and sniper rifles. This versatility allows military units to train on a wide range of weapons without needing to invest in multiple simulators. The ability to mount accessories like scopes or laser sights further enhances the system’s adaptability to various training scenarios.

The system’s wireless communication module allows for synchronized training across multiple simulators, making it ideal for team-based exercises. The centralized control unit monitors all connected simulators in real-time, providing instant feedback and allowing instructors to coordinate complex, multi-user training scenarios. This makes the system particularly useful for military units that rely on coordinated team efforts, such as special forces or infantry units.

The LMG training simulator system is also ideal for use in indoor training facilities, where live-fire exercises may not be practical. The system can be set up in a variety of environments, making it highly flexible for different training requirements. This allows military organizations to conduct training exercises year-round, without being limited by weather conditions or the availability of outdoor firing ranges.

The system is designed to improve logistical efficiency in military training programs. By reducing the need for live ammunition and specialized firing ranges, the system allows for more frequent and flexible training sessions. This is particularly useful for units that need to maintain a high level of combat readiness but may not have regular access to live-fire facilities.

In terms of performance, the system has been rigorously tested to ensure that it accurately replicates the behavior of real firearms. The quick-change barrel mechanism, recoil simulation, and ammunition handling systems have all been designed to match the real-world operation of a machine gun as closely as possible. This ensures that trainees who use the simulator can seamlessly transition to real weapons when required.

The LMG training simulator system also offers long-term durability and ease of maintenance. The advanced thermal management system ensures that the electronics remain functional during extended training sessions, and the durable construction of the mockup weapon ensures that it can withstand repeated use in demanding training environments. Additionally, the system’s modular design makes it easy to upgrade or replace components, ensuring that it remains relevant as military training needs evolve.

Further objects, features, and advantages of the invention will be readily apparent from the following description of the preferred embodiments thereof, taken in conjunction with the accompanying drawings.

Brief Description of the Drawings

The above and other objects, features and advantages of the invention will become apparent from a consideration of the following detailed description presented in connection with the accompanying drawings in which:

FIG. 1 illustrates said advanced Light Machine Gun (LMG) firearm training simulator mockup weapon in accordance with an exemplary embodiment of the present invention.

FIG. 2 illustrates sectional view of the said LMG training simulator mockup weapon in accordance with an exemplary embodiment of the present invention.

FIG. 3A, 3B illustrates a magazine assembly and a breech block assembly of the said LMG training simulator mockup weapon in accordance with an exemplary embodiment of the present invention.

FIG. 4A, 4B illustrates a plurality of PCB plates arrangement on both sides with their functionalities of the said LMG training simulator mockup weapon in accordance with an exemplary embodiment of the present invention.

FIG. 5 illustrates a sighting subsystem of the said LMG training simulator mockup weapon in accordance with an exemplary embodiment of the present invention.

FIG. 6 illustrates a block diagram of the said LMG training simulator PCB plate in accordance with an exemplary embodiment of the present invention.

It is appreciated that not all aspects and structures of the present invention are visible in a single drawing, and as such multiple views of the invention are presented so as to clearly show the structures of the invention.

Detailed Description of the Invention

It is to be understood that the present disclosure is not limited in its application to the details of construction and the arrangement of components set forth in the following description or illustrated in the drawings. The present disclosure is capable of other embodiments and of being practiced or of being carried out in various ways. In addition, it is to be understood that the phraseology and terminology used herein is for the purpose of description and should not be regarded as limiting.

The use of “including”, “comprising” or “having” and variations thereof herein is meant to encompass the items listed thereafter and equivalents thereof as well as additional items. The terms “a” and “an” herein do not denote a limitation of quantity, but rather denote the presence of at least one of the referenced items. Further, the use of terms “first”, “second”, and “third”, and the like, herein do not denote any order, quantity, or importance, but rather are used to distinguish one element from another.

The present invention relates to an advanced firearm training simulator designed for light machine guns (LMG), providing a highly realistic and immersive training experience. The system is capable of replicating the physical handling, operational characteristics, and various firing modes of an actual LMG, without the risks and costs associated with live ammunition training. This simulator employs cutting-edge mechanical, electrical, and software components to simulate real-world conditions like recoil, target engagement, and operational behavior, ensuring that trainees can improve their firearm handling and tactical skills in a safe and controlled environment.

The core component of the system is a sensorized mockup weapon, which replicates the physical dimensions, weight, and balance of an actual LMG. The mockup includes a comprehensive range of features, including an Infrared Laser Unit (ILU) Assembly for target engagement and feedback, a quick-change barrel mechanism simulating the real firearm’s behavior during extended firing, and a sensor-based magazine assembly that mimics both belt-fed and magazine-fed ammunition systems. The design ensures smooth ammunition delivery, preventing jams and misfires during training. The breech block assembly and bolt assembly replicate the actions involved in the mechanical cycling of the weapon, contributing to the overall realism of the training.

The fire control system is integrated with advanced sensors and controls that replicate safe, semi-automatic, and fully automatic firing modes. Users can seamlessly switch between firing modes using the triggering unit and safety mechanism, while the system’s sensors track firing modes, hammer position, and breech block status, providing real-time feedback. The solenoid valve within the system simulates the recoil effect, allowing users to experience realistic tactile feedback during trigger pulls, which mimics the recoil forces generated during live firing.

Another key component is the adjustable sighting system, composed of a sight PCB and adjustable sighting units, allowing users to fine-tune their targeting accuracy. The laser aiming device provides precise target engagement, integrated with the range PCB, which calculates target distance and provides feedback on accuracy. The system’s Picatinny rail also allows the mounting of accessories to enhance versatility during different training scenarios.

The PCB plate assembly plays a crucial role in ensuring seamless integration of sensors, providing efficient thermal management and protecting the system’s sensitive electronic components from environmental stress. The assembly houses several sensors, including digital Hall effect sensors, which monitor operational parameters like hammer positioning, breech block status, and magazine levels. These sensors deliver real-time data to the fire control system, ensuring that users are fully aware of their weapon's status during simulated operations.

The LMG simulator system offers various training modes, including target practice, tactical training, and maintenance training. In target practice, trainees engage virtual targets using the ILU, with real-time feedback on accuracy and precision. Tactical training involves more complex scenarios, requiring users to manage ammunition, adjust firing positions using the bipod stand, and engage multiple targets under simulated combat conditions. Maintenance training allows users to practice essential tasks like changing barrels and managing ammunition systems, ensuring they are fully prepared for the rigors of field operations.

The system is designed for versatility, supporting various firearm models in addition to the LMG. The modular nature of the system allows it to be easily adapted to replicate other firearms such as assault rifles or sniper rifles, making it an invaluable tool for diverse training environments in military and law enforcement. The system is also compatible with a wide range of accessories, enabling further customization of the training experience.

In terms of manufacturing, the simulator’s components are made using high-strength alloys and polymers to ensure durability and long-term use in training environments. The PCB plate assembly and other critical electronic components are designed for easy maintenance and upgrades, allowing the system to stay current with technological advancements.

The system has undergone rigorous testing to ensure it provides an accurate and reliable simulation of real-world firearm operations. The solenoid valve (68), responsible for recoil simulation, was tested under various firing modes to ensure consistent and realistic feedback. The sensors and electronic components were also tested for accuracy in detecting hammer positions, firing modes, and magazine levels, ensuring the system delivers reliable feedback in all conditions.

Overall, the LMG training simulator enhances the effectiveness of firearm training by offering a realistic, cost-effective, and safe alternative to live ammunition exercises. It enables users to practice critical skills, improve accuracy, and experience realistic recoil and firing effects, all while providing real-time feedback on performance. The modular design and versatility make it suitable for a wide range of training applications, offering a valuable tool for both military and law enforcement personnel.

Referring to figures, Figures 1 and 2 illustrate the overall structure of the Light Machine Gun (LMG) firearm training simulator system (100). The system replicates the experience of using an LMG for training purposes. Key components include an ILU (Infrared Laser Unit) Assembly (1), which utilizes laser technology for simulating target engagement and capturing feedback. The barrel unit (2) features options like flash suppressors and muzzle components to mimic real-life firearm discharge effects, with a quick-change mechanism for simulating field barrel replacements. The magazine assembly (3) located alongside of breechblock assembly (5) replicates ammunition management, offering both belt-fed and magazine-fed configurations to simulate realistic reloading. The butt assembly (4) provides simulated recoil effects, enhancing training accuracy by offering the sensation of real weapon handling. The breech block assembly (5) and bolt assembly (6) work together to simulate internal firearm mechanics, such as chambering rounds and ejecting spent cartridges, ensuring that the trainee experiences realistic weapon cycling during the session.

Figures 3A and 3B showcase the magazine assembly (3) and its integration with the breech block assembly (5). This relationship is designed to ensure smooth ammunition delivery, reducing the likelihood of jams during training. The magazine assembly includes strategically designed air inlet and outlet channels and compressed air chambers to replicate real-world ammunition flow. Additionally, it features a PCB plate (13), which is essential for sensor integration, enabling real-time monitoring of the magazine status and ammunition levels. This seamless integration between the magazine and breech block assemblies ensures a reliable firing experience, preventing misfires or operational delays during the training exercise.

Figures 4A, 4B, and 5 detail the arrangement of PCB plates (13) and the sighting subsystem. The sight PCB (14) integrates with the overall system and features adjustable sighting units (15) that allow for precise calibration of aiming parameters. This system ensures accuracy during target engagement and allows the user to adjust their aim based on various distances and scenarios. Constructed from high-quality materials, the sight PCB (14) is built to withstand challenging environmental conditions, maintaining reliable performance even during extensive training sessions. The PCB plate assembly (13) houses sensors and other electronic components crucial for system operations. These components monitor critical parameters like firing mode, hammer position, and magazine status, transmitting data to the fire control system. The PCB plate assembly also handles thermal management, protecting sensitive electronics from heat buildup during prolonged use.

Figure 6 presents a block diagram illustrating the internal electronics and sensor integrations in the LMG training simulator system. The Range PCB (62) plays a key role in range sensing, providing accurate distance measurement for target engagement scenarios. It ensures that the user can gauge target distances during training, enhancing precision in various firing conditions. The first digital Hall Effect sensor (63) tracks the position of the hammer (16) and breech block (5), delivering real-time feedback to maintain proper firearm mechanics during the simulated operation. Powering the system is a battery (64), which supplies reliable energy to all electronic components.

The second digital Hall Effect sensors (65) monitor the selected firing mode, whether safe, semi-auto, or full-auto, and transmit this information to the fire control system for accurate feedback. The third digital Hall Effect sensor (66) is responsible for detecting magazine presence and status, ensuring the user is notified of ammunition levels and whether the magazine is properly inserted. Additionally, the system features a laser aiming device (67), which aids in target engagement by offering precise aiming capabilities. Lastly, a solenoid valve (68) simulates realistic recoil effects based on the selected firing mode, providing the user with tactile feedback during trigger pulls. This component allows the trainee to experience varying recoil intensities depending on whether semi-auto or full-auto firing is simulated, further enhancing the realism of the training session.

Together, these components ensure that the system offers a comprehensive, realistic training experience, closely replicating the handling, firing, and feedback characteristics of a live LMG.

The method of use for the LMG training simulator is designed to replicate the operational behavior of an actual light machine gun. The system is activated by powering the PCB plate assembly (13) and connecting the battery (64) to provide energy to the entire system. The trainee is required to calibrate the sight PCB (14) using the adjustable sighting units (15) before initiating the training session. Once calibrated, the user engages with the simulator through a series of firing modes—safe, semi-auto, and full-auto—by manipulating the triggering unit (7) and the safety mechanism (11). The integrated digital Hall effect sensors (63, 65, 66) detect the user’s input and transfer it to the fire control system for real-time feedback.

The ILU (Infrared Laser Unit) Assembly (1) is activated, simulating live target engagement. The system provides instantaneous feedback on accuracy, allowing users to make real-time adjustments. As the trainee pulls the trigger, the solenoid valve (68) mimics recoil, generating realistic physical feedback that replicates actual firing scenarios. The recoil effect varies depending on the firing mode selected, with the full-auto mode providing a more continuous recoil experience.

Magazine reloading is simulated through the sensor-based magazine assembly (3), which transmits feedback to the system when the magazine is depleted. The user can simulate reloading using belt-fed or magazine-fed mechanisms, depending on the scenario. The system's range PCB (62) calculates target distance, and real-time feedback is provided to help users improve targeting accuracy and ammunition management. Once the training session concludes, the system captures and analyzes performance data, providing detailed feedback on accuracy, speed, and decision-making for review and training optimization.

The method of manufacturing the LMG training simulator system begins with the fabrication of individual mechanical and electronic components. Key mechanical parts, such as the breech block assembly (5), bolt assembly (6), and magazine assembly (3), are crafted from high-strength alloys and durable polymers. These materials ensure the system can withstand the rigorous demands of training environments while providing realistic simulation experiences. The PCB plate assembly (13) is designed to securely house critical sensors and components, which are then integrated into the broader system.

Once the mechanical components are fabricated, sensor integration follows. Digital Hall effect sensors (63, 65, 66) are installed at strategic locations within the system, such as the triggering unit (7), breech block assembly (5), and magazine assembly (3). These sensors are meticulously calibrated to provide real-time operational data, such as hammer positioning, firing mode selection, and ammunition status. The range PCB (62) is embedded to calculate distances and improve accuracy during training.

The fire control system is assembled next, ensuring the seamless transition between firing modes (safe, semi-auto, and full-auto). The system is linked to the solenoid valve (68) to generate recoil feedback during simulated firing. The recoil system is tested to ensure realistic replication of actual firing scenarios. The sight PCB (14) is incorporated into the design, allowing for adjustable sighting units (15) to be fine-tuned for accuracy during target engagement simulations.

Following assembly, the entire system undergoes extensive calibration and testing. The laser aiming device (67), range PCB (62), and sensors are calibrated for accuracy, and the system is tested in simulated training scenarios to verify functionality. This includes testing the recoil system, firing modes, and target engagement feedback to ensure that all components work in harmony. After successful testing, the system is subjected to a quality control process to ensure that all components meet the necessary performance and safety standards. The completed simulator is then packaged with all relevant user manuals and maintenance instructions, ready for deployment in military or law enforcement training programs.
The features and functions described above, along with potential alternatives, may be combined into various simulation systems or applications. Numerous unforeseen or unanticipated alternatives, modifications, variations, or improvements may be made by those skilled in the art, each of which is intended to fall within the scope of the disclosed embodiments.

The exemplary embodiments described herein are to be considered as illustrative and not restrictive in any sense. Variations in the arrangement of the structure are possible and fall within the scope of the invention, as indicated by the appended claims. All changes falling within the meaning and range of equivalency of the claims are intended to be encompassed by them.
,CLAIMS:5. CLAIMS
I/We claim:
1. A simulation system (100) for a NEGEV LMG, comprising:
a sensorized mockup weapon, having an ILU (Infrared Laser Unit) Assembly (1), a quick-change barrel mechanism (2), a sensor-based magazine assembly (3), a butt assembly (4), a breech block assembly (5), a bolt assembly (6), a triggering unit (7), a trigger guard (8), a bipod stand (10), a safety mechanism (11), a Picatinny rail (12), a Printed Circuit Board (PCB) plate assembly (13), a sight PCB (14), and adjustable sighting units (15) integrated with the fire control system for realistic firearm training and skill development;
a fire control system for safe, semi-auto, and full-auto mode simulations, allowing the user to switch firing modes via sensors integrated into the triggering unit (7) and safety mechanism (11);
a bipod stand (10) for providing added stability during simulated firing operations, and a Picatinny rail (12) for mounting accessories, enhancing the versatility of the training system;
a laser aiming device (67) integrated into the system for precise target engagement during training, providing real-time feedback on target acquisition and accuracy;
a solenoid valve (68) for simulating recoil effects, generating tactile feedback based on firing mode and trigger pull during simulated firing;
Characterized in that,
a Printed Circuit Board (PCB) plate assembly (13) designed to house the sensors for monitoring critical parameters such as magazine status, firing mode, hammer and breech block positioning, and ammunition handling;
Digital Hall effect sensors (63, 65, and 66) integrated into the system to detect the hammer (16) position, breech block (5) status, and firing modes, providing real-time feedback to the user;
the sensor-based magazine assembly (3) and breech block assembly (5) are configured for smooth ammunition delivery during training, simulating both belt-fed and magazine-fed reloading, preventing jams and misfires;
the PCB plate assembly (13) enables efficient sensor integration, thermal management, and real-time data transmission to the fire control system;
the system (100) provides dynamic sight calibration via the sight PCB (14) and adjustable sighting units (15) for enhanced accuracy during simulated target engagement scenarios;
the range PCB (62) provides accurate target distance calculations during training, integrated with the digital Hall effect sensors (63, 65, 66) for monitoring user actions such as firing mode selection, magazine status, and hammer positioning.

2. The system (100) as claimed in claim 1, wherein the ILU (Infrared Laser Unit) Assembly (1) simulates target engagement and provides real-time feedback on accuracy and performance during training.

3. The system (100) as claimed in claim 1, wherein the quick-change barrel mechanism (2) simulates the operational behavior of the Negev LMG, including realistic flash suppression, muzzle behavior, and barrel replacement during extended firing.

4. The system (100) as claimed in claim 1, wherein the sensor-based magazine assembly (3) replicates belt-fed and magazine-fed ammunition management, transmitting real-time feedback on magazine status and ammunition usage during training.

5. The system (100) as claimed in claim 1, wherein the solenoid valve (68) generates customizable recoil effects based on the selected firing mode, enhancing the realism of the simulation experience by offering tactile feedback during semi-auto and full-auto firing modes.

6. The system (100) as claimed in claim 1, wherein the fire control system integrates a bipod stand (10), providing stability during simulated operations and allowing users to adjust to various firing stances.

7. The system (100) as claimed in claim 1, wherein the PCB plate assembly (13) is designed for efficient sensor integration, protecting electronic components from thermal stress, and ensuring stable and reliable system performance during prolonged use.

8. The system (100) as claimed in claim 1, wherein the sight PCB (14) includes adjustable sighting units (15), allowing users to fine-tune the sight alignment and improve target accuracy during training exercises.

9. The system (100) as claimed in claim 1, wherein the range PCB (62), combined with digital Hall effect sensors (63, 65, 66), tracks critical operational parameters, providing real-time feedback on target distance, firing mode, and user input accuracy.

10. A method of manufacturing a training simulator system (100) for an NEGEV LMG as claimed in claim 1, comprising:
a. fabricating the sensorized magazine assembly (3) and breech block assembly (5) to replicate accurate ammunition delivery and prevent jams during firing simulation;
b. integrating the PCB plate assembly (13) with sensors to monitor real-time firing mode selection, hammer positioning, and magazine status, and transmitting this data to the fire control system;
c. incorporating adjustable sighting units (15) into the sight PCB (14) for customizable sight calibration, ensuring accurate targeting during training;
d. embedding the range PCB (62) and digital Hall effect sensors (63, 65, 66) to track firing mode, user actions, and target distance, providing real-time feedback during simulation exercises; and
e. installing the solenoid valve (68) to simulate customizable recoil effects, providing tactile feedback on trigger pulls during various firing modes in the training scenarios.

6. DATE AND SIGNATURE

Dated this 09th September 2024

Signature

Mr. Srinivas Maddipati
IN/PA 3124- In house Patent Agent
For., Zen Technologies Limited