Electromagnetic Wave Reradiation TRIZ Cases

Distance sensing selects stable near-field or flickering far-field aiming to improve laser-dot visibility and barcode decoding.

Comb modes are spatially separated into target channels, enabling simultaneous FMCW distance and velocity measurements at higher image acquisition speed.

Terrain-specific LiDAR algorithms need manual tuning; a learned model combines their outputs with point and cell features for ground classification.

Multiple LiDAR views can miss areas behind obstructions; candidate-region analysis aligns their point clouds for accurate object representation.

Monolithically integrated microLEDs and silicon photodetectors address the cost and complexity of VCSEL-SPAD ToF architectures.

Through-substrate pixel separation and independent wiring limit luminescence leakage during avalanche multiplication, improving distance-measurement accuracy.

Multiple charge accumulators and digital addition average characteristic non-uniformity while shortening pixel-row readout time to limit motion artifacts.

Ultra-wideband radar detects small objects, living beings, and boundary changes on vehicle or container loading surfaces in darkness.

A separated avalanche photodiode array uses lateral electric fields and a second interconnect to reduce dark current and crosstalk.

Two conductive test elements monitor a scanning-exposed component and trigger warnings when its state deviates, helping prevent uncontrolled emission.

Planar-fabricated sensing sub-units, hinges, and actuators form a non-planar LiDAR receiver for broader coverage with simpler assembly.

Raw ToF phases and amplitudes feed a neural network that predicts phase corrections, improving range accuracy under multipath interference.

A layered vehicle trim panel hides heating foil behind a design foil while transmitting light to an environment detector.

Wide-bin histograms use inter-bin and intra-bin cumulative deltas to preserve lidar time-of-flight accuracy while reducing memory needs.

PSF deconvolution lets standard 2D imaging hardware estimate distance without the complexity and weight of dedicated 3D sensors.

Minority-carrier recombination and substrate-depth limits reduce dark current, spurious signals, and photodetector detection time.

An integrated circuit aligns power and light-emission timing in time-of-flight sensors, reducing measurement distortion without extra pixel arrays or optical barriers.

Multiple-image autofocus is slow and alignment-sensitive; an on-axis light beam measures target distance before imaging to set focus, gain, and aperture.

A beam sampler and reference scattering plate help recalibrate lidar sensitivity and alignment as outdoor conditions change.

Parallel memory-node readout and inverted phase modulation help iTOF pixels reduce motion blur, offset, and dark-current errors.

A remote shared clock synchronizes LiDAR receiver detectors, reducing clock drift, rotational noise, PCB space, and power use.

A temporary SRAM buffer captures SPAD detection data before main-array integration, reducing storage time and power between LIDAR pulses.

A wedge and slab route collected light to PIC waveguides, improving coupling while reducing optical thickness and parallax in LiDAR.

A sensor maps reflections from differently directed light sources to separate objects and calculate their distances without false detections.

Multiple optical-frequency pulses separate overlapping returns from near and far targets, enabling accurate Doppler-based speed calculation.

Time-correlated histogram analysis separates object, diffuse, and ambient-light signals for clearer daytime LIDAR detection.

Different-frequency pulses combine coarse range and fine precision, extending unambiguous distance measurement while reducing memory needs.

Time-divided short- and long-range optical transmitters reduce overlap interference and near-field blind areas in LiDAR detection.

An embedded germanium well uses a lateral gap to reduce contact with the surrounding semiconductor layer, limiting defects and dark current.

Combining GeSi ToF sensors with CMOS pixels captures distance and color in one array for 3D ToF color imaging.

Periodic control chirps with higher bandwidth than data chirps improve LIDAR frequency quality without a long delay waveguide.

An optical sensor selects calibrated thresholds from current background levels to keep false-positive filtering consistent across conditions.

One shaped beam expands short-range coverage while a second unshaped beam preserves long-range detection, reducing blind spots.

An extinction device between the beam splitter and receiver blocks non-primary-path light, improving close-range LiDAR detection accuracy.

LiDAR noise can cause false or lost tracks; variance-based Kalman timing keeps predicted positions reliable and tracking continuous.

Multi-valued modulation and correlation replace high-peak-power pulses to improve SNR, limit interference, and sharpen TOF distance measurement.

A LiDAR case uses an obstruction time window and echo width, peak, and count to detect blind-zone obstructions and distinguish weather effects.

Dynamic coding helps VCSEL-SiPM radar separate real echoes from channel crosstalk caused by high-reflectivity targets.

SPAD photon-count discrepancies can distort ToF histograms; state-based restoration recovers a waveform closer to the original for more accurate distance measurement.

Sparse LiDAR depth and sensor misalignment hinder long-range detection; BEV fusion with stereo-camera depth improves precision and recall.

Multi-clutter radar reflections are separated by comparing up- and down-chirp beat frequencies across scans to identify moving targets.

A first extinction device between the beam splitter and receiver blocks non-primary paths, limiting leading light and improving detection accuracy.

A beam deflection unit adjusts light incidence with the polygon mirror wheel to counter angular asymmetry and improve uniform multi-plane detection.

Common-supply ripple can corrupt vehicle sensor echoes; comparing grouped signals helps mask interference and prevent false object detections.

Learn how amplitude ratios from two ultrasound frequencies map reflections to elevation and azimuth angles in a robust 1D sensor.

An oscillating MEMS mirror and rotating macro scanner steer transmit light across two dimensions while the macro structure collects backscatter.

A fast-tunable seed laser and transmission grating steer pulses across up to 2,000 footprints for compact, high-resolution 3D surface mapping.

Timestamp comparison and predicted sensor orientation trigger LiDAR and cameras in alignment, improving vehicle data-fusion reliability.

A light collector between the SPAD and reflector redirects escaping light to improve photon detection efficiency and suppress pixel crosstalk.

Thermal dynamics and charge saturation distort FMCW LiDAR chirps; oversampling and feedback correction restore accurate range and velocity measurements.