Optical Rangefinders TRIZ Cases

Controlling ion-to-chromium flux and substrate bias in magnetron sputtering forms dense chromium layers that improve oxidation resistance.

Past parallax and road-height data let a stereo camera estimate moving-object distance in monocular views despite changing road levels.

Dynamic sideband locking enables continuous synthetic wavelength tuning for absolute distance interferometry with high accuracy over long ranges.

A sealed LiDAR transmitter integrates the laser, driver ICs, and optics to cut parasitic inductance, prevent contamination, and hold alignment.

Multiple SPAD supply paths shorten dead time and expand dynamic range, enabling reflected-light detection at shorter intervals.

Separate pixel signal paths on stacked substrates speed control generation while preserving SNR for wide dynamic range imaging.

Multi-wavelength point cloud processing identifies moving object materials in real time while avoiding complex multi-receiver alignment.

A stacked VCSEL structure with tunnel junctions and separated emitters enables faster switching, lower IC count, and tighter emitter spacing.

Image-sensor feedback adjusts laser emission power, timing, and pulse count to equalize spot luminance and improve coordinate detection.

Multiple short VCSEL emissions within one frame maintain exposure while limiting heat rise, preserving luminous efficiency and sensing precision.

An off-axis telescope layout boosts distant reflected light in LiDAR while suppressing internal scattering for more accurate object detection.

An inclined housing surface makes adjustment buttons easier to press in horizontal or vertical sensor mounting while keeping the unit compact.

A low-ESL capacitor with a shorter current path speeds laser pulse rise time, improving ToF 3D measurement accuracy.

Automatic seat adjustment keeps the driver at a fixed sensor distance, improving breath alcohol measurement accuracy without manual repositioning.

Separate pixel signal paths on stacked substrates speed control signal generation while preserving SNR for high dynamic range imaging.

Curved hafnium-based filters block UV-C above 234 nm while preserving wide-angle far-UVC output for safer, more even pathogen disinfection.

A single transistor switches capacitor charging and laser pulse emission, simplifying LiDAR energy management while enabling fast recharge.

Vehicle motion creates time-shifted overlap between LiDAR views, enabling accurate extrinsic calibration without shared fields of view.

Selective output switching lets a single-chip image sensor send either images or processed results, cutting thickness, data load, and external processing.

Converts >1,100 nm laser output to sub-1,100 nm LiDAR beams, enabling silicon photodetectors while preserving fiber-laser power and beam quality.

Dual reflective portions on SPAD pixels redirect escaping light back into the substrate to raise photon detection efficiency for accurate distance measurement.

An excimer UV-C bulb uses integral bandpass filtering to pass 200-234 nm light, kill pathogens, and limit harmful human exposure.

A filtered 222 nm excimer bulb array uses tilt and swivel aiming to deliver human-safe UV-C sterilization with lower exposure risk.

A floating third semiconductor region relaxes edge electric fields in miniaturized distance-sensor pixels, reducing breakdown and dark current.

Parallel counter selection lets a SPAD receiver capture multiple ToF phases at once, improving ranging efficiency and phase accuracy.

An asymmetric multiplication-region layout lets SPAD pixels shrink while maintaining withstand voltage and photon detection efficiency.

Reflected and scattered light tracks wafer motion during de-chucking, detecting residual chucking forces before bending or breakage.

Using Risley prisms to approximate a triangular waveform, this case improves LIDAR coverage uniformity, range accuracy, and power use.

A staggered light emitter array shifts irradiation positions with uniaxial drive, expanding ranging coverage while reducing size and complexity.

Direct PCB mounting of a housing-less laser substrate cuts inductance, EMI, and crosstalk to improve optoelectronic distance accuracy.

Interdigitated switches and a germanium-silicon absorption layer speed near-infrared ToF sensing while reducing leakage current.

Alternating single-band sweeps and multi-band switching lets one laser support FMCW ranging and OPA scanning in solid-state LiDAR.

Optical feedback tracks wafer tilt and slippage during ESC release, enabling lift pin adjustment to prevent breakage during de-chucking.

Adaptive laser scanning changes direction, range, and density from boom motion signals to keep crane 3D maps current.

Bandpass-filtered excimer UV-C emission blocks harmful wavelengths while preserving pathogen killing and real-time output monitoring.

Multiple signal accumulation timings extend reflected-light capture, widening distance range without sacrificing measurement accuracy.

Multiple hafnium oxide filters and a reflector widen Far UV-C coverage while blocking harmful wavelengths for safer public disinfection.

Distance imaging maps the box bed against the attachment dischargeable region to assess vehicle position across changing transport vehicle types.

Wider peripheral pixel pitch keeps reflected-light sensitivity more uniform, extending measurable distance and viewing angle.

Light-shielded edge pixels provide zero reset signals that stabilize row-wise AD conversion and suppress vertical depth image variation.

Position sensors and a locking unit verify riveting coordinates before fastening, preventing missed rivets and incorrect placement.

Controlled zirconium alloy composition and fine mechanical polishing delay LOCA breakaway corrosion and hydride cracking beyond 10,000 seconds.

UWB distance matching confirms the correct optical target despite obstructions, improving construction machine control accuracy.

LiDAR depth sensing lets a drone self-position around tall structures, improving point-cloud consistency for digital twin capture.

A projected light beam in the camera feed gives operators reliable depth cues when harsh conditions cause remote machine sensors to fail.

Automated drone depth sensing estimates structure height and controls orbit position to improve 3D point cloud consistency.

Strategically placed rotating, long-range, and close-range LIDARs improve 360° coverage, angular resolution, and object detection around vehicles.

Automatic target tracking and SLAM replace manual point correlation, speeding surveying instrument relocation while preserving pose accuracy.

An off-gimbal laser coupled via a multi-fiber relay reduces gimbal weight and complexity while improving power handling.

A time measurement device detects emission and reflected pulse light to calculate precise distance values.

Identifies solid obstacles via lidar signal analysis to lower beam power, preventing damage while maintaining atmospheric speed measurement precision.

A laser targeting probe measures distance and incline to avoid vehicle repositioning.

Pixel-level delay compensation in stereo cameras fixes rolling shutter errors, ensuring accurate distance measurement during high lateral speeds.