Contents
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
LJ12A3-4-Z-BY-Inductive-Proximity-Senso
- Types NPN
- 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)