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What is seat belt reminder?

1. The seat belt reminder

Safety belt reminder SBR (Safety Belt Reminder) when the driver and front passenger seat belt is not used, the driver and front passenger alert system. The detection system consists of sensors and an unbelted driver two reminder signal (visual signal first stage, the second stage is a visual and auditory signals) composed.

for the passenger car accident, the proper use of seat belts are the most effective protection measures, this conclusion has been recognized by everyone. Surveys show that most do not unbelted occupant when subjected to an appropriate reminder is wearing a seat belt. Seat belt reminder (SBR) is used to alert the occupant to use the seat belt.

Principle: polyvinylidene fluoride fluorine (PVDF) polymer film material

The seat belt reminder apparatus sensing element material is wound in a spiral, the material mechanical stretching or compression when a charge is generated at both ends.

the pressure signal by a fast Fourier transform, the signal into the frequency domain, the frequency characteristics of both a low profile and high-frequency characteristics to be obtained by comparing the current state of use of the seat. The seat usage can be classified as empty, inanimate objects or parcels, three types of the human body.

Installation:

U-shaped sensor is embedded in the seat cushion.

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