Reed Relays and
Electronics India Limited
Manufacturer of Reed Switches, Reed Sensors and Reed-based products
Reed Relays and Electronics India Limited Incorporated in 1971

Accidental airbag deployment prevention

Accidental Airbag Prevention
Airbag deployment

The airbag module is designed to inflate extremely rapidly then quickly deflate during a collision or a rapid sudden deceleration. Vehicles today, are designed with multiple airbags for the driver and passenger side, the windows sides, to protect the passenger and drivers knees and even sometimes, pedestrians. During the unfortunate event of a collision, the crash sensor triggers the airbags but this need to be done only where the the driver and passengers are seated, and not everywhere. This is possible with reed switch based sensors that can detect where passengers are being seated. This is achieved by a mounting a magnet under that seat, that when depressed due to the weight of a passenger, moves closer to a reed switch and activates it. This signal is saved by the micro-processor and used during a collision. This way, when a collision occurs, not all airbags are triggered.

Application Classification

Applications are classified as Position Sensing, Pulse Counting, Electromagnetic or Relay, Temperature Sensing or Magnet Biasing types. This application is classified as follows and the link gives more information on best practices to help select the most suitable AT band and matching magnet.

Position sensing Type

Position sensing Position Sensing type application When an application requires the end position of a movement sensed, or the sensing of a part when it Continue reading ->

Nov 7, 2020

The Reed Switches and Sensors used in such applications need to be robust, durable and efficient in meeting a high life expectancy. Our engineers work hard in life testing our products under various conditions, and our intention is to ensure end product durability and life. Although we wouldn’t want to restrict any of our products for use in only certain applications, the recommended products for use in this application are listed below.

MS-324 Miniature Flat Pack Reed Sensor with Actuator

Miniature flat pack sensor Drawing of MS-324 Magnet Sensor starFeatures10W Contact Rating. Normally Open contact. Three sensitivity bands. Sputtered Ruthenium Continue reading ->

Oct 30, 2020

R3 Miniature SMD Reed Sensor

Miniature Reed Sensor These miniature SMD reed sensors are designed for low power, high speed switching applications, and have a cost advantage over the Continue reading ->

Jun 7, 2021

MS-216 Standard size Cylindrical Sensor

standard size cylindrical sensor icon MS-216 Magnet Sensor Drawing starFeatures10W Contact Rating. Normally Open contact. Three sensitivity bands. Sputtered Ruthenium Continue reading ->

Oct 30, 2020

MS-328 Flat Pack Reed Sensors with Actuator

MS-328 flat pack sensor starFeatures10W Contact Rating. Normally 30W Contact Rating. Normally Open contact. Three sensitivity bands. Sputtered Ruthenium Continue reading ->

Oct 30, 2020