Electromagnetic Wave Reradiation TRIZ Cases

A tilting microbeam with phased optical antennas and embedded position sensing enables 2D LiDAR scanning without laser wavelength tuning.

Built-in pixel modulation removes external modulators and complex beam paths, enabling compact high-resolution LiDAR distance sensing.

Previous-frame point clouds identify high-reflectivity objects so LiDAR channels can switch emission strategy early and reduce crosstalk.

A beam-steering device scans light across photodetector segments to cover a wider field of view with lower power and a smaller emitter.

Clocked SPAD recharge and phase-shifted pulse lighting prevent missed photons in target distance ranges under high brightness.

Synthetic abnormal point clouds train an AI model to detect LIDAR faults across varied environments while cutting real failure data collection.

Buffering echoes by azimuth and elevation enables non-coherent integration that lifts LiDAR SNR for low-reflectivity and long-range targets.

An overlaid PIN diode strengthens the electric field in TOF sensor pixels, speeding electron motion and improving flight-time accuracy.

A histogram threshold at a specified time of flight detects window dirt early, helping lidar preserve echo signal quality and distance accuracy.

By monitoring modulation or beam conditions, the protection circuit cuts EDFA input before SBS can damage fiber, connectors, or isolators.

A single LiDAR photodetector with segmented electrodes preserves pixel position sensing without photodiode gaps, photon loss, or higher noise.

Polarized-light LIDAR measures scattering and depolarization in turbid media to deblur returns and improve object depth estimation.

Weighted likelihood metrics and band filtering help FMCW LiDAR detect weak targets while reducing false peaks from noise and interference.

Uneven pulse spacing and filtered SiPM signal processing improve LiDAR distance accuracy under noise and complex reflections.

Different-phase delay clocks across pixel groups cut ToF measurement noise and improve distance accuracy without excessive clocking complexity.

A 40-80 mm receiving lens and split beam path improve near-target focus while preserving echo light energy across detection ranges.

Real-time calibration derives absolute motion from static surfaces to correct Doppler sensor rotational and linear offsets in dynamic environments.

A uniform dielectric anti-reflection layer keeps infrared transmittance high at 30°-60° incident angles while simplifying sensor cover fabrication.

Coarse and fine histogram TDC processing reduces photon pileup distortion and power use for more accurate time-of-flight distance sensing.

Adapter units convert diverse sensor outputs into uniform interface data, letting one detection network accept new sensors without retraining.

Protruding transmitter and receiver lenses overcome recessed vehicle mounting limits to expand lidar field of view and improve sensing.

A two-stage SPAD TOF scheme classifies near and far targets first, then switches sensing modes to suppress dark count noise and save energy.

Coordinated time-slot laser control and image-data matching reduce mutual LiDAR interference when two units measure the same target.

Selective sampling across multiple photosensitive groups extends LiDAR ranging while avoiding higher emission power or extra scans.

A switched dual-counter pixel captures multiple distance ranges from one light pulse, cutting power use and noise in low-light sensing.

Previous-frame point clouds and motion prediction let LiDAR switch affected channels before bright echoes cause crosstalk and accuracy loss.

Selective control of multiple radar sensors improves object distance, speed, and direction detection while limiting processing load and complexity.

Stationary object reflections are accumulated in a 2D angle-signal histogram to estimate vehicle sensor roll angle without special calibration roads.

Single-pulse counter switching captures multiple distance ranges while reducing memory load, power use, and noise in low-light imaging.

Multiple photosensitive groups are selectively fused to improve LiDAR ranging and detection density without higher transmit power or extra scans.

Pulse-coded multibeam LiDAR widens vehicle scanning coverage and frame rate while separating overlapping returns to reduce optical cross-talk.

Pulsed LED time-of-flight sensing stabilizes terminal wake-up distance while limiting current draw and protecting the power circuit.

Shielding and low-reflecting mirror side surfaces block stray return light, reducing ghosting and improving distance measurement accuracy.

Real-time terrain height and geometry feedback adjusts airborne scan parameters to keep swath widths uniform and reduce gaps, overlap, and rework.

A sealed LIDAR assembly uses heat collectors, a heat exchanger, and flexible mounting to manage heat and vibration without losing compactness.

Basis and supplemental periods resolve iToF phase ambiguity beyond the normal range while reducing flare effects for more accurate 3D distance sensing.

Angled front and side sensors expand truck-side coverage with fewer units, reducing blind spots without obstructing bed design.

Two coaxially aligned LiDAR units are stacked vertically to avoid mutual view blockage while preserving redundancy and continuous 360-degree sensing.

Alternating LiDAR emission modules create discontinuous light spots that separate echoes and improve point cloud accuracy.

A rotating polygon deflector refracts an internal beam path to widen LIDAR field of view and improve duty cycle for return data collection.

Alternating two modulation frequencies de-aliases iToF phase measurements to extend unambiguous range without heavy computation.

A charge pocket and vertical gate pixel layout enables single-photon counting at low voltage, cutting power use in compact cameras.

Selecting the transmit frequency from reflected signal strength helps FMCW radar detect objects accurately through a protective outer cover.

Opposite polarization states separate Tx and Rx paths in one PIC, improving coherent LiDAR isolation, alignment, range, and data rate.

Using time-spaced LIDAR pulses of different intensities avoids detector saturation near objects while extending reliable distance measurement.

Overlapping SPAD pixel binning boosts photon collection and SNR, extending LiDAR range without sacrificing angular resolution or enlarging the array.

Adjacent visible and invisible light paths let a phase distance measurer hit the same small target and improve measurement accuracy.

Embedded oxide films and region-specific doping cut CAPD pixel leakage current while preserving photoelectric conversion for ranging.

Dynamic SNR-based temporal and spatial averaging improves ToF distance accuracy while limiting motion delay and edge distortion.

External airflow through cylindrical horizontal fins cools rotating LiDAR electronics without fans, reducing complexity and moving parts.