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Sensor Technologies in AR

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Camera

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Captures real-world images; essential for overlaying digital content onto physical environments in AR.

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Accelerometer

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Measures acceleration forces to determine orientation and motion; helps in understanding device movement.

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Gyroscope

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Measures angular velocity; crucial for determining the orientation and rotation of the device.

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Magnetometer

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Detects magnetic fields; used for compass functionality and detecting the orientation of the device relative to Earth's magnetic field.

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Proximity Sensor

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Detects the presence of nearby objects without physical contact; used to turn off display when users get close to avoid unnecessary interaction.

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Light Sensor

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Measures ambient light to adjust the display brightness accordingly; provides a better AR experience by controlling the luminance of virtual overlays.

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GPS

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Provides geolocation and time information; fundamental for location-based AR experiences.

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Depth Sensor

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Measures the distance to objects and constructs 3D maps of environments; important for spatial understanding and interaction in AR.

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Ultrasonic Sensor

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Uses sound waves to measure distance from an object; suitable for close-range detection and localization in AR applications.

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Thermal Sensor

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Detects heat and translates it into visible images; can be utilized in AR for specialized applications such as medical or maintenance training.

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Time-of-Flight (ToF) Camera

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Calculates depth based on the time it takes for light to travel from the sensor to an object and back; fundamental for creating real-time 3D models of environments.

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Pressure Sensor

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Measures atmospheric pressure; assists in altitude determination which can enhance vertical location tracking in AR.

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Microphone

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Captures sound; allows for voice commands and audio analysis, improving the interaction with AR systems.

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Hall Effect Sensor

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Detects magnetic fields; can signal when a foldable or flip-style AR device is opened or closed.

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Infrared (IR) Sensor

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Emits and detects infrared light to establish spatial relationships; employed in hand tracking and remote control within AR systems.

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LIDAR Sensor

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Uses light detection and ranging to measure distances and create high resolution maps of the environment; enhances AR by adding accurate spatial context.

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Biometric Sensor

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Gathers data on human physiological traits; useful for personalized and secure AR experiences.

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Piezoelectric Sensor

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Detects changes in pressure, acceleration, temperature, strain, or force by converting them to an electrical charge; can be leveraged in haptic feedback devices.

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Pedometer

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Counts the steps taken by the user; helps in fitness and health tracking within AR applications.

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Force Sensor

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Measures the force exerted on a surface; offers possibilities for nuanced interactions in AR environments, such as pressure-based control.

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