Electromagnetic Wave Reradiation TRIZ Cases

Time-division FMCW lasers with different wavelengths use dispersion-based angle compensation to correct rotating mirror mismatch with one detector.

Switching the photoelectric detector inactive creates an electrical diagnostic signal for accurate LiDAR readout circuit fault checks despite ambient light.

Extending the reference optical path in LIDAR shifts beat frequencies to expand calculable radial velocity and distance ranges.

By comparing actual and reference beam positions, the controller corrects MEMS deflection drift to avoid blind spots and keep ranging accurate.

Dry-etched microlenses and wet-etched notch wafers are bonded to cut LiDAR optical parts, light loss, and manufacturing cost.

A sealed case with adhesive members and an internal heatsink protects LiDAR modules from dust, moisture, and heat buildup.

Position-based attenuation lookup adjusts LiDAR pulse count or power to offset edge vignetting and keep ranging accuracy uniform.

Moving-object trajectories are turned into track maps so protective sensor ROIs can be set accurately without calibration, prior maps, or traffic disruption.

Adjustable transmitting and receiving coil assemblies remove winding frames, enabling thinner laser ranging units and faster development.

A nested heatsink and shielding layout helps LiDAR resist dust and moisture while removing heat from optical modules in compact vehicle space.

An integrated pixel array mixes reference and return beams in each pixel to cut speckle loss, simplify routing, and support high-resolution coherent LiDAR.

A spoiler near the rotating housing inlet raises local air pressure and laminar flow to drive convective sensor cooling across vehicle speeds.

Embedding amplitude and phase into one ToF hologram enables single-image depth capture with higher frame rate, lower bandwidth, and fewer motion artifacts.

Overlapping internal beam paths and a reflective housing cut sensor size, limit beam leakage, and support optical self-monitoring.

Overlapping LiDAR macropixels group shared subdetectors to detect small distant objects while reducing data volume and background-light interference.

Temperature-calibrated linear inverse phasor correction reduces thermal depth errors in time-of-flight imaging across varying laser and sensor temperatures.

A folded beam path and time-delay unit simulate reflections while phase and amplitude checks verify distance-sensor test-bench wavefront flatness.

A local oscillator module alternates signals across LIDAR pixels to reduce optical power drain and noise while improving signal-to-noise ratio.

An anamorphic prism compresses reflected LiDAR light in one direction to extend dynamic range and preserve SNR with a 2D detector.

During each LiDAR pulse cycle, temporary memory captures photon data quickly before lower-rate histogram integration, reducing storage power and time.

Hand shaking can reduce laser measurement accuracy; magnetic suction fixes the rangefinder to a metal frame for steadier operation.

Relocating blind-spot sensors into a rear aerodynamic fairing preserves bumper contours while providing a suitable mounting environment.

Time-shifted pulse sampling increases the effective sampling rate of a multiple-detector LiDAR array for more precise 3D range measurement.

Multiple portable boards replace bulky calibration rooms by using scan-edge crossing points and plane transforms to determine lidar pose accurately.

Separate buffer signal lines carry phase-specific demodulation clocks to pixel taps, reducing mismatch and noise in ToF depth measurements.

Variable compensation modes stabilize the laser beam during hand vibration while preserving deliberate target tracking for precise distance detection.

Controlled substrate biasing accelerates SPAD charges with an electric field, helping limit power dissipation and unwanted jitter.

Periodic micro-pulses reduce transmitted peak power while LiDAR detects water vapor, temperature, and pressure.

Coplanar polygon reflection limits LIDAR coverage and duty cycle; interior refraction broadens scanning angles for range and velocity measurement.

Matched range pairs from opposite chirp directions estimate Doppler effects and correct motion-related errors in optical range detection.