Proximity Sensor
Proximity Sensor is able to detect the presence of any
nearby objects without the need for physical contact. In smartphones, this
sensor is located upwards.It disables its screen and light during a call in a
mobile phone, although this sensor is quite useful, but it has many drawbacks.
Dirt easily accumulates and stops
Fingerprint sensor
Finger
print sensors have recently been made in smartphones. They provide a new layer
of security by authenticating a user before a user is able to gain access to a
smartphone. It can also be used to unlock a phone from a lock screen or encrypt
data on a smartphone. The iPhone 5S, HTC One Max and Samsung
Galaxy S5 are examples of smartphones that have fingerprint
sensing technology.
Thermometer
Smartphones
come with in-built thermometers that are used to measure the surrounding
temperature. Some phones are slightly specialized and provide readings for both
the external temperature and the internal temperature of the phone. Internal
temperature helps protect the phone from overheating.
Pedometer
A
pedometer is a sensor trailor that counts the number of steps the phone user
performs. Although such data can be detected with accelerometer, yet some
phones have these sensors.
Barometer
Many
smartphones, including the iphone, have a barometer. Barometers are used to
measure air pressure. This is usually used when calculating altitude using
weather changes and pressure information.
Ambient
Light Sensor
An
Ambient Light Sensor measures the brightness of light. After this, with the
help of the phone's software, the screen brightness adujest. If the auto adjust
feature is enabled for the light.
Redaction sensor
A
Redaction Sensor detects harmful redaction. This is the newest sensor in the
smartphone. Such sensors are very useful for phone users in areas where there
is a possibility of radiation spread. The Sharp Panton 5 was
the first phone to incorporate a radiation sensor. It was released only in
Japan. The phone has a button that upon pressing is launched a phone
application capable of measuring the radiation level of an area.
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