Optical Rangefinders TRIZ Cases

A 3D depth sensor measures distance using an optical shutter modulated at multiple frequencies to determine accurate object ranges.

Replacing bulky mechanical fixtures, the planar integrated photonic substrate uses phase modulators to steer electromagnetic beams in two orthogonal directions.

A solid-state optical phased array lidar uses photonic integrated circuits to steer laser beams through electronic phase modulation.

A coordinate measuring machine determines focus distance using variable interval lengths to locate the sharpest image plane quickly.

Digital surface topology mapping generates reflection data records to automate artificial leather production with accurate optical properties.

A compact LiDAR sensor device integrates an irradiation unit and light receiving unit on a single external lens optical axis.

A filtering device derives evaluation values from image blocks to determine valid parallax measurements.

Segmenting light emitting elements allows switching between wavelengths to resolve the contradiction between measurement precision and eye safety.

An anti-reflection coating on the prism end surface eliminates harmful reflections, reducing ghosting and noise in electromagnetic wave detection systems.

A distance measuring device uses a laminar flow channel to guide liquid jets along optical paths for semiconductor wafer monitoring.

A depth estimating image capture device uses diffraction regions and polarization filters to separate light paths for accurate measurement.

A stereo camera housing integrates a recessed attachment protrusion to position imaging units closer to the windshield.

A rangefinder uses a movable board and adjusting wheels to position the receiving lens along an optical axis.

A rotating lens deflects laser beams through variable refraction angles to enable two-dimensional scanning.

A range and direction measuring device detects reference objects to calculate target coordinates.

A range-information acquiring apparatus emits first and second light beams with distinct spatial distributions to detect reflected signals simultaneously.

A transmitting node sends a pilot signal to a target node that retransmits the signal with phase adjustment to enable distance computation.

A distance image acquisition device uses an avalanche multiplication region to amplify weak reflected light signals for improved sensor sensitivity.

A processing circuit dynamically updates correcting data to compensate for nonlinear frequency modulation in FMCW LiDAR systems.

Segmenting the field of view into dedicated subspace groups reduces power consumption and device size while maintaining high-precision depth mapping.

A movable lens package adjusts field of view based on vehicle speed to generate wide and normal angle images.

Analog offset compensation subtracts interference light from detection signals to resolve light leakage and specular reflection trade-offs.

Modulated light sources enable 3D image data detection, resolving energy inefficiency from static lighting by adjusting intensity based on occupancy.

Segmented charge collecting regions direct signal charges via transfer electrodes to improve spatial resolution.

A time-of-flight camera uses a diffusely reflective surface as a virtual sensor array to capture light phase and intensity data.

A variable scale adjusts based on measured range to align with distant objects for visual size estimation.

An optical sensor uses an astigmatic lens to shape light bundles from multiple sources for precise object detection.

A spherically mounted retroreflector uses a reference point to align with the light beam axis.

A 3D sensor apparatus captures object distances using a Time-of-Flight chip array to monitor door safety zones.

Integrating a tilt sensor into a handheld rangefinder calculates true horizontal distance and hold over values, eliminating manual slope compensation errors.

Merging deflection functions into one rigid unit eliminates mechanical coupling complexity while maintaining fixed spatial relationships under vibration.

Multi-level sensor system segments three-dimensional space into parallel monitoring planes using image sensors.

Active feedback with asymmetric sideband generator extends laser coherence length beyond Schawlow-Townes limits for high-precision distance measurements.

Event-triggered latching reduces power consumption by minimizing capacitance charging and discharging in large single photon avalanche diode arrays.

Separated light sensor pods synchronize with emitter pods to capture reflected pulses for precise distance measurement.

A fiber-optic coupler merges two wavelengths into a single beam for an achromatic launch, eliminating complex beam splitters and reducing device complexity.

Concentric ring gears driven by deflection motors enable rapid two-dimensional optical axis deflection, reducing mechanical complexity and manufacturing costs.

Optical dividers vary detection ray angles to assign unique transmitter-receiver combinations, enabling area extension without adding elements.

A coherent fiber optic image bundle transfers laser reflections from multiple fields of view to a shared remote detector array.

Segmenting the receiving lens allows the edge section to capture close-range light without reducing the central aperture area for far-zone detection.

A probe tip distance compensation method uses reflected image measurement to adjust position after temperature changes.

Radar cueing guides LiDAR object modeling and point cloud segmentation, resolving multi-sensor alignment conflicts that degrade tracking reliability.

A ranging apparatus uses intermittent light emission to measure distance based on phase differences between modulated and reflected signals.

Asymmetric Mach-Zehnder interferometer measures frequency sweep characteristics by adjusting beat signal waveforms to correct nonlinearities from thermal drift.

Laser-guided retraction mechanisms resolve space constraints and operational complexity in rubber-tired gantry crane power supply networks.

A footplate assembly integrates force and proximity sensors to monitor real-time foot position on power wheelchairs.

A human body detection sensor uses distance measurement and moving object determination to improve automatic faucet reliability.

Angular movement sensor determines laser pulse radius relative to stabilized line of sight for precise distance measurement.