Electromagnetic Wave Reradiation TRIZ Cases

A nanophotonic spectral router splits four polarization states across a 2x2 LiDAR pixel array to improve metal vs non-metal object detection.

Target-image spot offsets are used to correct LiDAR channel angle errors, improving channel alignment and point cloud accuracy.

Short light pulses and gated electron drainage improve ToF depth accuracy by rejecting ambient light noise without exceeding eye safety limits.

Optical waveguides with apertures and frequency-varying pulses enable 360-degree LiDAR sensing without moving parts, improving reliability.

A labyrinth heat path transfers rotor heat to a stator liquid-cooling loop, enabling one external cooler to manage both LiDAR sections.

Small-angle trajectory approximation calculates vehicle-object lateral offset without square roots, cutting computation time and power use.

Different-slope up and down chirp segments let balanced-photodetector FMCW lidar separate range and radial velocity without hardware changes.

Coordinated master-slave LiDAR links fuse echo signals to expand sensing coverage while reducing wiring and power complexity.

Bias ramping in lidar detectors limits internal reflection saturation, preserving continuous nearby object detection after pulse emission.

A buffer amplifier isolates the photodetector from storage-circuit capacitance, preserving photosensitivity during fast time-gated 3D sampling.

Equalizing adjacent drive and fixed-voltage wirings keeps parasitic capacitance uniform, improving charge distribution and ToF distance accuracy.

Time-multiplexed LIDAR return signals let one ADC process multiple beat-frequency channels, reducing component cost without slowing scans.

An FPSA beam scanner paired with CMOS ToF detector arrays cuts LiDAR size while limiting insertion loss and crosstalk.

A rotating polygon mirror switches LiDAR between measurement and self-test modes to detect laser diode degradation without extra components.

Optical baffles and split transmit-receive windows cut stray light and cross-talk in lidar, improving object detection accuracy.

Calibrated thresholds matched to current background light help optical sensors reject false positives without losing valid returns.

Distance-based ROI and camera selection cut TOF sensor power use while preserving accurate subject framing and image quality.

A three-stage FMCW sweep with echo matching reduces demodulation errors and multiple echoes in short-range high-speed LiDAR detection.

Dummy edge pixels with matched or floating potentials preserve SPAD array periodicity, suppress current spikes, and stabilize sensing accuracy.

Setback seating surfaces separate positioning from bonding, allowing thicker adhesive beads without losing cover alignment precision.

Variable zoom-lens control adapts multi-beam spacing for faster, more accurate LiDAR vibration measurement and 3D imaging.

Transforms time-of-flight histogram bins into a scatter domain to separate true object returns from photon dispersion and extend detection range.

Test pulses detect retroreflectors, then adjust lidar emission parameters to limit saturation and crosstalk while preserving detection continuity.

Multiple-frequency time-of-flight processing uses a closed-form calculation to improve 3D distance accuracy under multipath reflections.

LIDAR-based humidity and temperature sensing reroutes aircraft around contrail-forming air to cut climate impact with limited flight-time penalty.

Beat-frequency analysis flags edge errors and outliers when a LIDAR scan crosses objects, improving real-time data reliability.

Separate pixel and signal-generation blocks stabilize APD control timing across dense arrays without enlarging pixel size.

Repeated distance checks to known planar targets detect laser scanner tilt changes and correct calibration drift without crane downtime.

Selective SPAD pulse counting and row-to-TDC switching improve low-light time-of-flight imaging under ambient light and dark count noise.

Multiple waveguides and a photodetector frequency limit condition reduce beat overlap and noise, extending FMCW LiDAR range and accuracy.

Multiple detection units are grouped by scan angle and target distance to suppress irrelevant light and improve laser radar echo accuracy.

Sideband selection with a silicon microring modulator shrinks FMCW lidar while improving ranging precision and measurement distance.

A modular emitter-receiver setup scans ride paths for objects breaching the vehicle envelope, cutting manual clearance verification time.

Uses the blanking interval between scans to detect LiDAR transceiver abnormalities in real time, reducing processor load and false alarms.

Ambient light intensity is used to correct reflected pulse timing, improving time-of-flight distance accuracy in bright conditions.

Combining TDC and ADC echo processing improves LiDAR ranging accuracy by selecting or discarding results using power, distance, and signal thresholds.

Distance imaging isolates the detector surface and subject distances to derive body thickness accurately for radiographic dose and image setting.

Lidar and radar straight-line comparison detects radar mounting drift and corrects angle errors for more reliable vehicle sensing.

An arcuate transmitter-receiver array replaces moving scan parts, improving laser scanner life, angular precision, and low-light detection.

Parallel FMCW beams with controlled included angles raise point cloud density and image definition while limiting crosstalk in vehicle lidar.

Switching photodiode bias by measurement state suppresses sunlight-driven multiplication, reducing power use and noise in distance sensing.

Wavelength conversion lets an under-display light sensor avoid silicon absorption, reducing pixel activation and white spots.

Accumulating time-correlated histograms from multiple receivers improves diffuse backscatter detection in fog while reducing processing load.

A near-infrared absorber between active and optical black pixels limits light leakage, reduces dummy pixel area, and supports compact sensors.

Phase-shifted charge sampling in an integrated 2D and depth sensor array improves pixel alignment while reducing thermal noise and parasitic light.

Micromirror beam steering redirects lidar pulses away from retroreflectors, reducing optical crosstalk, noise, and sensor blinding.

Clock-drift modeling and histogram fitting improve Geiger-mode LiDAR depth accuracy despite binning limits and clock skew.

Optical switching across alternate waveguides scans multiple LIDAR channels quickly, avoiding mirror inertia, delay, and motion errors.

Angled front-corner LIDAR placement expands 3D coverage around a railway vehicle to remove side and front blind spots at stops.

Preset pulse intervals let laser radar separate real echoes from dark counts and other radar interference, improving ranging accuracy.