Using Optical Means TRIZ Cases

See how a time-of-flight sensor measures remaining toilet paper and wirelessly alerts staff bef

See how non-perpendicular sensor positioning and periodic transmission reduce battery use while

See how proximity, capacitive, and weight sensors monitor sheet product levels in real time to

See how an optical aperture sensor modulates light quantity to detect low-force collisions and

See how optical sensing with periodic activation tracks sheet product roll levels automatically

See how an optical sensor with light transmitter, receiver, and movable stop element detects lo

See how a time-of-flight sensor and wireless transceiver enable real-time paper roll level moni

See how paired emitter-receiver sensors detect resource levels by reflection at multiple height

A three-point mounting scheme lets a calibration standard expand freely, preventing pattern distortion while keeping repeatable laser projector calibration.

Automated drive-over sensing tracks tread wear rate and tire pressure to flag maintenance needs faster and more accurately for fleets.

Wheel-mounted fixators, rods, and a laser reference improve radar installation angle accuracy without relying on imprecise manual measurement.

DOT tape color filtering lets a trailer camera monitor estimate tractor-trailer angle accurately with less image-processing load.

Pre-crimp optical checks compare sleeve and cable images with reference data to catch mismatches before crimping and reduce defective connections.

Guide wheels, a projected light pattern, and a rotary encoder enable accurate 3D tyre profiling on uneven tread surfaces.

Dual-side articulation angle and distance measurements improve articulated vehicle length accuracy despite trailer and cargo variation.

Millimeter-wave radar scans rotating vehicle wheels contactlessly to measure geometry, runout, wobble, and centering defects faster and more reliably.

Shape-based target recognition replaces reflector sensing to detect combination vehicle coupling angle accurately despite distance changes and dirt.

Width-direction smoothing stabilizes electrode sheet thickness and basis weight profiles despite sensor noise, even before much data is accumulated.

Two-dimensional smoothing across width and conveyance directions stabilizes electrode sheet thickness or basis-weight measurement with less noise.

A fifth-wheel encoder and LIDAR estimate articulated trailer angle and rear position without trailer-mounted sensors for safer dock maneuvering.

Distance-variation filtering removes dust and vapor points from 3D scans, helping work machines detect real obstacles more accurately.

Radar sensors and a shifted laser line inspect tire reinforcement layers and surface wear in one pass, reducing equipment count and scan time.

Image-based tracking of trailer reference points estimates articulation angle in double-articulated vehicles for more precise parking control.

A centering jig links the target board to the vehicle emblem, removing manual centerline marking for faster, more accurate camera alignment.

A kingpin-coupled encoder and LIDAR let autonomous tractors measure trailer angle without trailer-mounted sensors for precise yard reversing.

A multi-stage ML model separates particulate reflections from true lidar returns and maps the likelihood of objects hidden behind fog, smoke, or dust.

A hierarchical tread-data model predicts tire wear from minimal sensor inputs, speeding reliable fleet maintenance decisions and alerts.

Dual-side distance and articulation-angle checks improve articulated vehicle length measurement when rear ends are uneven or cargo protrudes.

Stored theoretical reflectance and spectral data replace reference samples, enabling accurate film thickness measurement across film types.

A laser and light detector simplify wheel alignment, letting users adjust tie rods accurately without cameras, computers, or a lift.

A strain sensor on a suspension component measures chassis-axle distance from shape change, avoiding complex lever mechanisms and signal conversion.

Electromagnetic induction in a coil and magnetic leaf spring enables shaft position detection during power outages without batteries.

Projected guide lines align the vehicle thrust line and centerline, enabling precise ADAS sensor target placement without dedicated floor markings.

A database-guided calibration setup aligns ADAS sensors across vehicle brands with fewer reference points, less setup time, and lower error risk.

3D tread imaging replaces manual gauges to measure tire groove depth faster, more consistently, and across large tread areas.

A back-illuminated pixel layout frees the photodiode from front-side wiring, improving sensitivity, SNR, and ranging accuracy.

A single metasurface combines beam splitting and collimation to create uniform spot or flood illumination with fewer optics and lower assembly sensitivity.

A back-illuminated pixel layout separates wiring from the photodiode to raise NIR sensitivity, improve SNR, and reduce ranging errors.

Form-fit elements and fixed reference markings simplify motor vehicle headlamp alignment checks while preserving accurate, repeatable positioning.

Driver-specific wear rates and tread measurements improve forecasts of when tire depth will cross replacement thresholds.

A rear camera and ECU hold a driver-set trailer angle during reversing, reducing manual steering effort and improving alignment.

Millimeter-wave radar scans rotating vehicle wheels contactlessly to measure dimensions quickly and accurately under adverse conditions.

A spare probe and switching circuit detect faulty shaft displacement probes in real time to keep magnetic levitation motors running safely.

An optical light-pattern scanner with encoder-tracked guide wheels captures accurate 3D tire tread depth and wear profiles.

An optical light-pattern scanner maps 3D tire tread wear and depth with encoder tracking for reliable inspection in varied conditions.

Multiple coherent comb lines replace single-wavelength interferometry to extend non-ambiguity range and enable stable sub-micrometer distance measurement.

A MEMS-tunable VCSEL extends wavelength tuning to improve short-range distance accuracy and resolution in optical sensing.

A wheel-mounted laser reference helps align automotive radar angle and direction accurately, reducing manual measurement error during installation.

Laser beams aimed tangent to the vehicle pitch arc keep road detection points stable ahead of each wheel, reducing pitch-induced errors.

Variable micro lens height and shift improve photon hit rate and modulation efficiency across the 3D TOF sensor field of view.

Boundary-triggered scanning adapts to tire size and operator speed to capture complete, accurate tread depth profiles.

A visible collimated beam aligns disconnect switch insulators faster and more precisely, helping prevent loose connections and arcing.

Laser obstacle measurements track cargo arrangement over time, enabling load collapse detection in autonomous trucks without extra sensors.

User pose and depth mapping reproject surrounding views to each viewer's perspective, improving spatial understanding and reducing shared-display confusion.

Real-time electromagnetic locating tracks movable service components to speed precise ADAS alignment and calibration with less setup complexity.

Image analysis uses tread depth indicators as an absolute height reference to measure tire tread accurately without manual gauges.

Optical imaging detects embossed structure misalignment before joining separator plate sheets, improving assembly accuracy at lower cost.

Shared photodetectors with wavelength-selective filters let LiDAR capture synchronized color and depth data in one compact unit.

Linear laser return-light analysis locates spot weld centers so laser welding can correct misalignment and reduce weld defects.

Correlated X-ray and distance measurements capture metal container base thickness and profile inline, enabling fast defect rejection and less waste.

Image-based monitoring measures slight punch-die clearance changes in battery electrode shear molds, helping prevent defects during repetitive shearing.

Precomputed optical path corrections remove z-axis distance errors from mirror-deflected scanner beams, producing undistorted workpiece images.

Embedded fibre Bragg gratings in a calibrating bar enable precise, damage-free multi-roll leveller calibration while separating strain from temperature effects.

An OCT measuring beam and reference element reveal through welds with open vapor capillaries, enabling real-time fluid-tightness assessment.

A 3D virtual movement model places and orients CMM parts in advance, cutting setup time while avoiding fixture and probe interference.

Dual light-line projection around a central camera keeps bending angle measurement reliable when complex workpieces shadow the view.

3D measurement of an earlier-made component drives machining data for the next part, removing shim steps and improving assembly accuracy.

Parallel tactile or contactless flank scanning captures real stock allowance before gearwheel grinding, improving positioning and machining control.

Intersecting emitter and receiver fields create near and far detection volumes, helping robots avoid cliffs, stairs, and missed surfaces.

Multi-direction self-luminous markers and a low-expansion holder improve 3D scanner probe freedom while keeping marker positions accurate.

A prism and focal plane array separate wavelengths and continuously correct angular misalignment to maximize laser power in multi-source beams.

Switching between low- and high-resolution scans improves large-surface alignment, cuts stitching errors, and lowers memory demand.

Cyclic error phase extraction lets a heterodyne interferometer determine absolute position without extra hardware or time-consuming zeroing.

Segmented light receivers with controlled spacing suppress slit interference, cut wasted space, and improve rotation position and direction detection.

A micromirror pupil filter switches quickly between coaxial dark field and reflected light modes for more accurate surface measurement.

An encoder on the speed control cable tracks speed, acceleration, and position without invasive retrofit, enabling cross-brand elevator monitoring.

Combines light-section 3D profiling with position-dependent spectral imaging to inspect object shape, reflectivity, and foreign bodies in one compact setup.

A single photodetector array captures FMCW depth and visible light together, reducing sensor alignment errors and synchronization time.