Electromagnetic Wave Reradiation TRIZ Cases

A rotating test detector and light source monitor separating disk transparency across the full peripheral range.

Steered LIDAR transmit module emits scanning pulsed fanned laser beam via polarization combining.

Multiple networked LIDAR integrated circuit chips synchronize laser activation via elapsed time measurement to emit photons simultaneously.

A multi-level mixing clock scheme drives time-of-flight camera pixels using step-function modulation signals.

Segmented opaque barrier blocks direct light path between emitter and receiver, resolving measurement precision versus structural complexity trade-off.

A sensor control device adjusts LiDAR light receiving levels based on map information to enhance detection sensitivity.

Varying pulse spacing suppresses ghost echoes in laser rangefinders, increasing signal-to-noise ratio while extending measurable distance range.

An optoelectronic sensor evaluates contamination by summing discontinuous periods and counting threshold transitions.

Adjustable screws and elastic connectors fine-tune mirror orientation to compensate for manufacturing tolerances in compact LiDAR systems.

A laser radar device applies distinct frequency shifts to transmission light for precise line of sight identification.

Synchronizing an optical switch with rotating mirror facets prevents beam clipping and tilting effects, increasing scanning efficiency by up to 50%.

A ranging device adjusts light receiving element responsivity to enhance signal detection capabilities.

Selective element control reduces multi-path interference by processing only expected return signals, improving signal-to-noise ratio.

A single laser diode with a diffraction grating unit tunes wavelengths and directions simultaneously.

A radar system estimates 3D target heading by merging spatial position and Doppler velocity data from a single snapshot.

Gating SPAD cluster outputs based on ambient light counts prevents saturation and improves the signal-to-ambient ratio.

Distinct modulation frequencies separate retroreflector noise from diffuse target returns, resolving measurement precision trade-offs.

A light propagation time measurement method uses dual photodiodes to separate sensitivity and speed requirements.

Wafer-bonded SOI substrates form a wear-free polygon that eliminates mechanical misalignment in 360-degree LiDAR systems.

Replacing spinning disks with voltage-controlled liquid crystal optics stabilizes beam orientation against temperature shifts and assembly tolerances.

Placing an occlusion imager at the focal plane improves measurement precision while reducing device complexity through shared optical infrastructure.

Calibrates moving object sensors by detecting static objects at different positions to minimize alignment error parameters.

Thermoplastic cover with monoester additives improves LiDAR surface quality while reducing signal attenuation.

A 3D camera corrects distance errors by adjusting output light pulse phases electronically.

Frequency modulation in an integrated LiDAR system calculates distance via beat detection, resolving scanning speed limits of pulsed methods.

A region outline map updating method processes laser radar distance data to generate and compare multiple map versions.

Segmented photodiodes with a selecting circuit compare signals to differentiate close objects from far ones, resolving detection ambiguity.

A sensing system integrates invisible light pixels into an imaging array to measure object distance without external range sensors.

A laser interferometer measures vehicle speed and rotation via road surface interference patterns.

An adjustable LiDAR illuminator directs light beams to illuminate multiple fields of view sequentially.

A trigger circuit taps light source voltage to generate a precise timing signal, eliminating latency drift in time-of-flight measurements.

Periodic chirps within pixels mitigate speckle noise while maintaining narrow laser line widths and high output powers.

Dynamic power adjustment resolves the trade-off between high signal-to-noise ratio and eye safety by varying laser intensity across different spatial regions.

Phase shifting aligns histogram data from multiple subframes to increase timing resolution while reducing component heating.

A distance measuring device uses dual pulse segmentation to optimize signal processing for varying target reflectivity.

A time-of-flight ranging device uses a differential readout circuit to separate reflected light pulses from background noise.

A LIDAR transmitter replicates a single laser beam into multiple beams using optical elements to increase detection resolution.

A lidar system detects decalibration by interpolating virtual measuring surfaces from point clouds reflected off a flat surface.

Splitting laser beams into discrete beamlets concentrates light intensity, extending effective range beyond two kilometers without increasing total power.

A radar echo signal processing method superposes sampling point sets across multiple data frames to enhance signal energy.

Negative feedback amplifier circuit improves signal-to-noise ratio and bandwidth, resolving the trade-off between detection precision and system speed.

Arranging emitters around a perimeter with vertical waveguides resolves isolation spacing trade-offs to boost steering range and beam power.

Pipelined digital image processing extends the unambiguous range of 3D time-of-flight cameras by combining coarse and fine filtering stages.

Segmented silicon and compound semiconductor photodiodes resolve manufacturing complexity while delivering 1.5 μm sensitivity for distance imaging.

Phase-shifted mixing signals enable LiDAR systems to resolve multiple reflections and improve spatial resolution without requiring high bandwidth electronics.

A SPAD photon detection rate controller adjusts light emission and voltage to maintain optimal detection levels.

Square homodyne detection mixes signal and idler states via a 50:50 beam splitter to reduce error ratios in low reflectivity radar environments.

Rotating the scan unit on a horizontal axis enables fast horizontal scanning of moving targets without losing vertical coverage.

Replacing entangled photon sources with super-Poissonian light reduces device complexity and cost while maintaining range finding accuracy.