18367524. RANGING DEVICE, RANGING METHOD AND COMPUTER READABLE MEDIUM simplified abstract (Mitsubishi Electric Corporation)

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RANGING DEVICE, RANGING METHOD AND COMPUTER READABLE MEDIUM

Organization Name

Mitsubishi Electric Corporation

Inventor(s)

Masashi Fukunaga of Tokyo (JP)

RANGING DEVICE, RANGING METHOD AND COMPUTER READABLE MEDIUM - A simplified explanation of the abstract

This abstract first appeared for US patent application 18367524 titled 'RANGING DEVICE, RANGING METHOD AND COMPUTER READABLE MEDIUM

Simplified Explanation

The patent application describes a sensitivity adjustment unit that increases the responsiveness of a light receiving element. A noise removal unit then analyzes the phase difference between the emitted and received light, removing any noise components.

  • The sensitivity adjustment unit increases the responsivity of a light receiving element.
  • The noise removal unit analyzes the phase difference between emitted and received light.
  • The noise removal unit removes noise components from the received light.

Potential Applications

This technology can be applied in various fields where accurate ranging or distance measurement is required, such as:

  • Robotics and autonomous vehicles for obstacle detection and avoidance.
  • Industrial automation for precise positioning and object detection.
  • Augmented reality and virtual reality systems for depth sensing and object recognition.
  • Security systems for perimeter monitoring and intruder detection.

Problems Solved

The technology addresses the following problems:

  • Inaccurate ranging due to low responsivity of the light receiving element.
  • Presence of noise components in the received light, affecting the accuracy of measurements.
  • Difficulty in distinguishing the reflected light from the ranging target from other sources of light.

Benefits

The technology offers several benefits:

  • Improved accuracy and precision in ranging and distance measurement.
  • Enhanced performance in various applications that rely on accurate depth sensing.
  • Reduction of noise interference, resulting in more reliable measurements.
  • Increased sensitivity of the light receiving element, allowing for better detection of weak signals.


Original Abstract Submitted

A sensitivity adjustment unit () adjusts a responsivity of a light receiving element () so that the responsivity becomes high. A noise removal unit () analyzes, after the responsivity is adjusted by the sensitivity adjustment unit (), a temporal transition of a phase difference between an irradiation light emitted from a light emitting element () paired with the light receiving element () and a light received by the light receiving element () including a reflected light reflected by a ranging target () being a target of ranging, and removes a noise component included in the light received by the light receiving element ().

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