Electromagnetic Wave Reradiation TRIZ Cases

Diagonal turning mirrors, tapered waveguides, and lenses improve PIC light coupling while limiting back-reflections in dense LiDAR arrays.

Shared read lines let multiple light-receiving elements cover scan deviation in direct ToF ranging with fewer wires and lower power.

Switching between high- and low-frequency TOF modulation reduces aliasing while preserving dynamic range across mixed-reflectance scenes.

A segmented avalanche pixel layout boosts light sensitivity while blocking depletion-layer reach to the well region, preserving read accuracy and limiting crosstalk.

Narrow-width deflection mirrors and a clipped disc support simplify assembly, shrink the mirror module, and preserve ranging accuracy.

Dynamic emitter and receiver orientation corrects parallax in bi-axial lidar, preserving sensitivity and image quality across near and far ranges.

Detector-group sampling boosts LiDAR point cloud density and small-signal detection without adding optical complexity, size, or power.

Separating moving from stationary LiDAR points cuts processing load while preserving accurate object position, size, and speed detection.

A 2-tap pixel overflow detection circuit prevents floating diffusion saturation, reducing depth errors without adding ADC area.

Separate near-object returns from protective-window reflections using segmented light-sensitive regions and time-based reception in lidar.

A 3D aperture and tilted bandpass filter block ambient light and reference-reflector echoes to improve distance accuracy in bright conditions.

Interleaved lidar channels with different thresholds reveal atmospheric scattering, improving mid- to long-range visibility estimation.

Adjustable spacing between transmit and receive lenses compensates focal-length tolerances, improving field-of-view alignment and detection accuracy.

High mirror speed in scanning FMCW LiDAR broadens return spectra; spread-function correction restores detection probability and measurement accuracy.

A diverted fiber optic reference profiles non-linear FMCW chirps, enabling accurate range and velocity measurement with lower-cost lasers.

Precomputed pulse-shape fitting removes long-tail artifacts from dToF histograms, improving object detection while preserving real-time frame rates.

Dynamic region masking excludes moving vehicle parts from sensor coverage to reduce false obstacle detection and keep object capture accurate.

By grouping offset-mapped receiving units and converging echo data, this case improves LiDAR target ranging when transceiving paths misalign.

A rotating mirror and single-receiver layout reduce detector crosstalk while preserving multi-line scanning accuracy and range.

Synchronizing rolling-shutter cameras with rotating LiDAR cuts static and motion parallax, improving image alignment and processing.

By routing reference light through free space instead of waveguides, this unit cell cuts optical loss, saves area, and improves precise target detection.

A compensation lens in the emitting aperture redirects beams toward the receiver to shrink short-range blind zones and suppress ghost lines.

Sequentially switching segmented LiDAR receiving units boosts grayscale image resolution without adding cameras or extra receiver channels.

Precomputed pulse-shape fitting removes long-tail artifacts in ToF histograms, improving object detection and preserving frame rate at close range.

A programmable current sink lets a quantum-film TOF circuit reject ambient light while enabling low-cost under-screen SWIR sensing without white dots.

Adaptive near- and far-range TOF sampling uses depth and luminance data to balance signal levels and avoid overexposure or weak returns.

Detects collisions from nearby illumination sources and shifts emission and sensing windows to reduce saturation and false readings.

A dielectric isolation structure separates APD junction regions to curb leakage current and noise in small pixels while keeping avalanche gain stable.

Independent contour-based prediction values suppress incorrect associations and improve target position estimation in object tracking.

Distance ranges and adaptive ROI settings compensate for laser position shifts, improving LIDAR depth accuracy while cutting processing load.

Ambient light is accumulated through selectively driven receiving units to generate high-resolution grayscale images without extra cameras or alignment issues.

Ground-based lidar and spatio-temporal point cloud processing enable remote structural vibration tracking without contact sensors.

A support substrate with separated openings and a light blocking wall cuts irradiation light leakage in ToF sensing while preserving reflected-light detection.

Mid-infrared laser interferometry measures shock velocity inside opaque materials with low signal loss and millimeter-scale spatial resolution.

Calibration aligns scan timing and peak returns in low fill-factor LiDAR, improving signal-to-noise ratio without added optical complexity.

Timestamp jump detection and frame-start compensation keep LiDAR frame pulses aligned during clock calibration, preserving scan timing accuracy.

LiDAR depth and reflectivity data improve camera exposure and pixel-level postprocessing in scenes with complex lighting and mixed materials.

A LiDAR controller adjusts laser pulse power to extend range in bad weather while reducing eye-safety risk near detected objects.

A guide well creates an internal potential gradient that moves photocharges to ToF detection nodes without extra current, cutting power use.

Frequency analysis of LIDAR return signals detects debris on the window and triggers mitigation to preserve range and navigation reliability.

Optical isolation absorbs LiDAR trigger back reflections, preventing false detection and preserving accurate synthetic reflection testing.

Dual histogram thresholding and pulse timing variation help LiDAR maintain sensitive detection while suppressing sunlight noise and sensor interference.

Opposite rotating structures stabilize the optical path during high-speed motion compensation, reducing vibration and preserving image quality.

Correcting LiDAR walk error by detecting the pulse rising edge and recalculating peak location improves time-of-flight accuracy.

Horizontal external fins use vehicle airflow to cool rotating LIDAR electronics without fans, improving reliability and keeping signal windows cleaner.

A polarity-correction circuit converts mixed-sign laser receiver outputs into consistent positive signals to prevent summation distortion and improve ranging accuracy.

Offset projection and receiving axes create an internal overlap region that removes alignment optics, shrinking the housing while preserving detection accuracy.

Static reference surfaces and Doppler motion data let mobile platforms update sensor alignment in real time despite dynamic scenes and thermal drift.

Periodic light transmissions and reflected signals track moving objects accurately while limiting bandwidth use for multi-object monitoring.

Using LiDAR-based 3D surroundings, this case builds weather-disturbed composite data to evaluate vehicle algorithms more accurately.