Electromagnetic Wave Reradiation TRIZ Cases

Spot displacement resolves ToF phase ambiguity without multiple frequency captures, reducing computational load while improving depth accuracy and motion robustness.

A variable current source progressively restores the APD cathode voltage, reducing reset dead time after light detection.

Quantum dots extend silicon photodetector sensitivity into NIR, enabling compact, low-power ToF capture of visible and 3D data.

Intermittent pulses and dual sampling intervals extend TOF distance measurement across near and distant targets while limiting background-light noise.

Wavelength variation and interference signals help detect fingerprints or fine dust on the emission window before inaccurate sensing.

Noise and interference can reduce LiDAR accuracy; weighted SPAD reception signals improve distance calculation for vehicle control.

A self-aligned charge storage layer surrounds transfer and discharge transistor structures to balance transfer capability in compact distance-sensing pixels.

Independent pixel gating and repeated echo accumulation help LiDAR detect small distant objects while maintaining human eye safety.

Different-height scanners support continuous indoor capture and real-time 3D visualization across uneven building interiors.

Separate radiation splitters and Vernier comparison extend dual-comb laser ranging to 1 km while supporting moving-target measurement without calibration.

An X-Y electromagnetic drive moves the optical element across two-dimensional ranging points without increasing emitter-receiver distance.

An external signal-shifting unit offsets emission instants from the sensor clock, reducing cyclic errors and parasitic effects in time-of-flight measurement.

A horizontal LiDAR component layout replaces height-direction stacking to reduce housing volume and wind resistance in autonomous driving devices.

A receiver reduces gain during the light-leading period when early echo points meet a preset condition, limiting unwanted point-cloud points.

Light-intensity feedback adjusts an occlusion camera’s exposure to detect optical defects across bright and dim conditions.

Switchable scanner rotation speeds and swing amplitudes let FMCW LiDAR balance wide FOV coverage with long-distance detection resolution.

Pixel-gated detection preserves photon-count information, enabling LIDAR distance estimation without relying on direct arrival timing.

Dynamic photodetector biasing and synchronized signal switching reduce LiDAR blind periods for more accurate close-range object detection.

Dual CMOS cameras use calibrated shutter delays to measure laser time-of-flight with sub-nanosecond resolution for cost-effective 3D reconstruction.

Spatially separates reflected lidar modes and combines detector signals with local-oscillator copies to improve coherent distance and velocity detection.

Vehicle movement distorts LiDAR point clouds; pixel-coordinate compensation improves positioning accuracy during scanning.

Infrared reflection routes emission and reception through the earpiece gap, preserving display area for full-screen mobile terminals.

An external signal shifting unit offsets emission instants against the sensor clock to reduce periodic errors and parasitic effects.

A one-piece optical element fixes transmitter-receiver alignment, reducing costly adjustment and assembly errors.

Radially distributing the transceiver, scanning element, and window mirror assembly lowers LiDAR height and reduces autonomous-driving wind resistance.

Comparing LIDAR point clouds with detector-generated images reveals inconsistencies and guides corrections for more accurate object detection.

Sequential active and inactive observation windows limit microcell saturation and support accurate light-based distance measurement.

Spot scanning demands precise mirror rotation and wastes source light; an array, collimator, mirror, and splitter enable parallel 3D depth capture.

A two-mode LiDAR scan isolates oversaturated regions and fuses echo data to reduce high-reflectivity crosstalk in measurements.

Alternating plane and line laser sources lets LiDAR capture short- and long-distance data within one frame while limiting interference.

Selective activation of focal-plane macrocells compensates for laser-pulse displacement, improving near- and far-range LIDAR detection.

An optical receiver and processor align repetitive scan timing with a tester time domain for accurate beam-location verification.

Random-access LiDAR prioritizes rays with larger expected range changes to increase dynamic-scene information throughput while reducing scan latency and energy use.

Overlapping time windows segment a radar beat-frequency spectrogram to raise point output rate while preserving signal-to-noise ratio.

Mechanical beam steering can leave LADAR field-of-view corners uncovered; a variable-refraction lens bends light outward for fuller coverage.

Multiple charge windows and pre-pulse transfer timing separate flare from useful reflected-light signals for accurate distance images.

Staggered exposure pulses separate direct and indirect reflections, improving distance precision when multipath light distorts time-of-flight readings.

Interlaced scan lines help a LiDAR deflector cover the field of view while balancing scan resolution, scanning time, and moving-object detection.

Distance ambiguities and stray light challenge CW ToF sensing; combining CW and coded modulation measurements with mapping improves depth estimates.

Spatially separated depth and image pixels help prevent spectral cross-talk while capturing RGB and near-infrared data in one module.

Subframe synchronization aligns detection timing and signal levels, reducing phase-calculation errors in pulsed-light distance measurement.

Selective emitter deactivation lets LIDAR detectors reveal external light interference and limit false positives in autonomous-vehicle point clouds.

Vertical lens displacement or LO-surface tilt counters fast-scan descan, improving overlap and coherent mixing at the photodetector.

ToF sensing pauses beyond a distance threshold while the camera estimates range, reducing power use and preserving precise nearby depth data.

A monolithic beam splitter and quarter-wave-plate assembly fixes optical paths, helping coherent lidar resist vibration, turbulence, and temperature shifts.

Regional lidar returns are segmented to predict calibration scores and maintain sensor accuracy across varied vehicle conditions.

A fast-scan mirror, pulsed laser, and digital signal processing help reduce latency and noise when tracking fast-moving objects.

Shorter integration improves distance resolution but expands histogram storage; delayed periods and combined histograms preserve accuracy without extra storage.

Binary-search exposure periods shorten SPAD time-of-flight scans while preserving distance accuracy for moving-object measurements.

Periodic voltage control alternates beam deflection rates for rapid multi-object scanning and accurate distance measurement.