Real Time Usage of Proximity Sensor

On Mobile

           Proximity sensor installed on the front of an iPhone 5 next to the earpiece automatically turning off the touchscreen when the sensor comes within a predefined range of an object (such as a human ear) when using the handset.

See Image : https://en.wikipedia.org/wiki/Proximity_sensor#/media/File:Proximity_sensor_on_iPhone_5_front.png

 

On Parking Sensor

Ultrasonic parking sensor : Source

Parking sensor on a fender

 

 

 

Type of Proximity

• Capacitive Proximity Sensors
• Inductive Proximity Sensors
• Magnetic Proximity Sensors
• Optical Proximity Sensor
  • Photoelectric
  • PhotoCell
  • Infrared Proximity Sensor (Passive Thermal)
• Ultrasonic Proximity Sensor
• Hall Effect proximity Sensor

 

Proximity Application

• Parking sensors, systems mounted on car bumpers that sense distance to nearby cars for parking
• Ground proximity warning system for aviation safety
• Vibration measurements of rotating shafts in machinery
• Top dead centre (TDC)/camshaft sensor in reciprocating engines.
• Sheet break sensing in paper machine.
• Anti-aircraft warfare
• Roller coasters
• Conveyor systems
• Beverage and food can making lines
• Improvised Explosive Devices or IEDs
• Mobile devices
  • Touch screens that come in close proximity to the face
  • Attenuating radio power in close proximity to the body, in order to reduce radiation exposure
• Automatic faucets

 

Other Proximity Sensor

PRD-12-8DP Inductive Proximity Sensor

• Buy Link : http://www.autonicsonline.com/product/product&product_id=6

LJ12A3-4-Z-BY-Inductive-Proximity-Senso

• Types NPN
  • Data Sheet : Inductive Proximity Sensor,LJ12A3- 4-Z/BX ,NPN,3-wire NO,diameter 12mm,Proximity Switch
• Type : PNP
  • Data Sheet : Inductive Proximity Sensor Detection Switch PNP Model: LJ12A3-4-Z/BY
  • Specification :
    • A component widely used in automatic control industry for detecting, controlling, and non-contact switching When proximity switch is close to some target object, it will send out control signal.
    • Model: LJ12A3-4-Z/AY
    • Output Type: PNP NC(Normally Close)
    • Detecting Distance: 4mm±10%
    • Theory: Inductive Sensor
    • Wire Type: 3 Wire Type (Brown, Blue, Black)
    • Switch Appearance Type: Cylinder Type, Aluminum Shell
    • Supply Voltage: DC 6-36V
    • Current: 200A
    • Detect Object: Iron
    • Diameter: 12mm
    • Cable Length: 1M/3.3Ft
    • 1 x Inductive Proximity Sensor Switch
  • Price Approximately :340rs (India)

---