Land vehicles – Wheeled – Attachment
Patent
1998-04-14
2000-08-29
Culbreth, Eric
Land vehicles
Wheeled
Attachment
701 45, B60R 2132
Patent
active
061096482
ABSTRACT:
An adaptive activation control device for an occupant restraint system of a vehicle is provided that includes an electrical energy reserve circuit, an electronic accelerometer, a microprocessor unit, an electromechanical impact sensor, a firing circuit control unit, and a warning light driving circuit. The restraint system activation is determined by the two kinds of impact sensors. The first of the sensors is the electronic accelerometer, which provides analog output signals that are converted into digital signals. Then, the digital signals are processed by an algorithm in the microprocessor unit. Finally, the activation of the occupant restraint system will be determined by the adaptive triggering threshold. The second of the sensors is the electromechanical impact sensor. The impact sensor is connected in series with the firing circuit for higher safety. Both of the sensors have to operate normally in order for the adaptive control unit to work properly.
REFERENCES:
patent: 3851305 (1974-11-01), Baba et al.
patent: 5390951 (1995-02-01), Iyoda
patent: 5416360 (1995-05-01), Huber et al.
patent: 5709403 (1998-01-01), Taguchi et al.
Chen Ray Jung
Chen Ren Her
Dong Chang
Luo Kuang-Tso
You Life
Chung Shan Institute of Science and Technology
Culbreth Eric
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