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.