Linear Vibration Motor NFP-ELV0832B

The First.Lumen Glasses To Help The Blind Move

.Lumen is kind of glasses specially designed by robotics and advanced artificial intelligence technology to help the blind people move.It copies the function of the guide dog in the form of headset.The headset contains the sensory and feedback systems needed to understand the environment and convey instructions to the blind.The linear vibration motor NFP-ELV0832B is an important part of the feedback system. It also called linear resonant actuator,It has a long-life and is safe to use.The function of the feedback system is to use haptics feedback and audio to transmit information to the user.And the guide dog provides all information through the pulling the hand..Lumen glasses do the same thing as a guide dog by using Haptics and Sound.

Although guide dogs can help blind people walk, Training costs are high, and many blind people cannot take good care of guide dogs. Lumen glasses provide a system for 40 million blind people who cannot have advanced mobility solutions. At the same time replicate the benefits of guide dogs.DotLumen is a research startup which builds glasses that help the blind live a better life.

Key  Features and advantages

  • Use haptics and sound to convey some information to the blind people.
  • Understand the 3D environment, objects, and their position and movement status.
  • Enhance the mobility of the blind to facilitate life.

Linear Resonant Actuator Model NFP-ELV0832B Date Sheet

Motor model: NFP- ELV0832B 235Hz Type
LRA diameter: Φ8±0.1 mm
LRA thickness: 3.25±0.05 mm
Weight: 1.00±0.1 Gram
Resistance: 22.5±10% Ω
Rated current: 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
Operating Frequency: 235±5 Hz
Rising time: 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,235Hz
Mechanical noise: Max. 50 dB(A); 10cm distance from microphone, Input Source : 235Hz, 1.8Vrms AC, sine wave
Insulation resistance: Min. 10 MΩ; 100V DC input, between Case and Lead Wire
Life test: Operating at rated input voltage (1.8Vrms AC, Sinewave), input frequency (235Hz) for 200,000cycle, on(2sec)/off(1sec).


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