LRA Linear Vibration Motor Model NFP-ELV0832B Using in Body-Worn Camera
Modern law enforcement body cameras are designed not only to record video but also to provide clear and reliable user feedback. In many real-world scenarios, officers cannot constantly check screens or rely on audible alerts. This is where haptic feedback becomes essential. The LRA Linear Vibration offers precise and silent vibration feedback, making it highly suitable for use in modern Body-Worn Camera systems.
The NFP-ELV0832B is a linear resonant actuator (LRA), which differs fundamentally from traditional rotating vibration motors. Instead of spinning an eccentric mass, it uses linear motion at a fixed resonant frequency to generate vibration. This design allows for faster response times and more controlled vibration patterns. As a result, the tactile feedback feels clean, sharp, and professional, which is ideal for mission-critical devices like body-worn cameras.
In Body-worn camera applications, the LRA vibration motor is mainly used for operational status feedback. When recording starts or stops, the motor provides immediate tactile confirmation without producing sound. It can also be used to signal low battery, storage warnings, or event tagging. These silent alerts help officers stay focused on their surroundings while remaining fully aware of the camera’s operating status.
Power efficiency is another major advantage of using the NFP-ELV0832B in body cameras. LRA motors are designed to operate efficiently at their resonant frequency, requiring less energy to achieve a clear vibration effect. This is particularly important for Body-Worn Camera, which are expected to operate continuously during long shifts. Reduced power consumption directly contributes to longer battery life and improved reliability in the field.
Durability and consistency are critical requirements for law enforcement equipment. The NFP-ELV0832B is well suited for repeated vibration cycles and stable performance over time. With proper mechanical mounting and vibration isolation, it maintains consistent tactile output even after extensive use. This ensures that feedback remains recognizable and dependable throughout the service life of the device.
Another key benefit of the LRA Linear Vibration Motor is its low noise characteristic. Because the vibration motion is linear and tightly controlled, it produces minimal mechanical noise compared to traditional ERM motors. This is especially important in Body-worn camera, where microphones are often active and sensitive. Clean vibration feedback avoids unwanted audio interference during recording.
In conclusion, the LRA Linear Vibration Motor Model NFP-ELV0832B is an excellent solution for haptic feedback in Body-Worn Camera. It delivers fast response, precise tactile signals, low power consumption, and quiet operation. These characteristics make it well suited for modern law enforcement body cameras that demand reliability, discretion, and professional user experience.
| Motor Model | NFP-ELV0832B 205Hz | NFP-ELV0832B 235Hz |
|---|---|---|
| LRA Diameter | Φ8±0.1 mm | Φ8±0.1 mm |
| LRA Thickness | 3.25±0.05 mm | 3.25±0.05 mm |
| Weight | 1.00±0.1 Gram | 1.00±0.1 Gram |
| Resistance | 22.5±10% Ω | 22.5±10% Ω |
| Rated Current | Max. 90 mArms Input Source: F0, 1.8Vrms AC, sine wave | Max. 90 mArms Input Source: F0, 1.8Vrms AC, sine wave |
| Vibration Acceleration | 1.2-1.5 Grms Input Source: F0, 1.8Vrms AC, sine wave, 100g dummy JIG | 1.2-1.5 Grms Input Source: F0, 1.8Vrms AC, sine wave, 100g dummy JIG |
| Operating Frequency | 205 ± 5 Hz | 235 ± 5 Hz |
| Rising Time | Max. 50 msec, From 0 to 50% of nominal vibration @ 1.8Vrms,205Hz | Max. 50 msec, From 0 to 50% of nominal vibration @ 1.8Vrms,235Hz |
| Falling Time | Max. 80 msec; From 100% to 50% of nominal vibration @ 1.8Vrms,205Hz | Max. 80 msec; From 100% to 50% of nominal vibration @ 1.8Vrms,235Hz |
| Mechanical Noise | Max. 50 dB(A); 10cm distance from microphone, Input Source : 205Hz, 1.8Vrms AC, sine wave | Max. 50 dB(A); 10cm distance from microphone, Input Source : 235Hz, 1.8Vrms AC, sine wave |
| Insulation Resistance | Min. 10 M?; 100V DC input, between Case and Lead Wire | Min. 10 M?; 100V DC input, between Case and Lead Wire |
| Life Test | Operating at rated input voltage (1.8Vrms AC, Sinewave), input frequency (205Hz) for 200,000cycle, on(2sec)/off(1sec). | Operating at rated input voltage (1.8Vrms AC, Sinewave), input frequency (235Hz) for 200,000cycle, on(2sec)/off(1sec). |
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