Optical Rangefinders TRIZ Cases

A surveying instrument uses linearly-polarized light and polarization selection to detect object material properties.

An aspherical optical window manages light reflectivity in laser radar systems.

A laser pointer coupled to a sonic sensor visually indicates the measurement location, resolving adjustment difficulties caused by lack of visual feedback.

A buried photodiode demodulator uses asymmetric polysilicon gates to generate a lateral electric field for rapid electron collection.

Automated dermatoglyph test system captures finger and palm ridge images to extract quantitative feature indicators.

A traffic measuring device uses an inclined laser scan layer to acquire vehicle width and length data without additional sensors.

A Q-switched laser emits high-intensity pulses for LIDAR scanning.

A light sensor computes distance via histogram center positions of reflection and reference light signals.

Integrated elastomer seals housing openings during two-component injection molding, eliminating separate fluid metering steps.

An optical plate spreads an invisible laser beam into a line across a plane to enable distance measurements at multiple points simultaneously.

A laser height measuring apparatus uses ceiling reflection to calculate object dimensions without manual assistance.

A control device coordinates a lighting device and optical sensor to define a visible distance range for early object recognition.

A fiber-optic splitter generates an optical trigger pulse to synchronize lidar detection timing.

A nuclear fuel assembly modifies the hydrogen to uranium ratio above 4.0 to optimize neutron moderation and energy extraction.

Silicon carbide fiber cladding prevents eutectic formation between metal fuel and steel containment, enabling higher operating temperatures.

A radar apparatus corrects peak center estimate time errors using a pre-calculated correction map to improve distance measurement accuracy.

Segmented optical phased arrays extend scanning range and field of view without increasing device complexity.

Orthogonal lead frame terminals prevent thermal warpage to maintain lens positioning and measurement accuracy across varying temperatures.

Vertical laser beam rotation calculates distance using aligned optical detection components, reducing structural complexity and production costs.

Direct electrical reference signal generation corrects electric propagation time drifts, ensuring accurate distance measurement without mechanical adjustments.

Segmenting sensors along the roof perimeter eliminates center-mount obstructions and reduces aerodynamic drag.

Spectral segmentation of blue and yellow emissions resolves phosphor decay delays, improving distance measurement accuracy.

Segmented analog memory replaces high-speed ADCs, reducing power consumption while enabling higher resolution three-dimensional imaging.

Frequency modulation and heterodyne detection resolve accuracy complexity tradeoffs in compact laser sensors.

A one-dimensional scanning mirror tracks object position using reflected light points and known target separation.

A localized dynamic light scattering system generates heterodyne interference signals using orthogonal polarized beams.

A plate nuclear fuel cladding uses a harder frame material to resist rolling deformation, preventing the dog-bone effect that compromises fissile containment.

Neuromorphic pixels ignore ambient light interference by selectively activating subpixels, improving signal-to-noise ratio.

A hybrid sensor system pairs electromagnetic waves with ultrasonic radar to detect room occupancy.

A range imaging apparatus adjusts signal light emission and receiver exposure based on distance distribution characteristics.

A lidar system uses Barker coding to enhance signal processing for distance measurements.

A construction machine uses overlapping distance sensors to detect positional displacement of detection units relative to the body.

A wearable retroreflector reflects modulated light to fixed detectors for precise position tracking.

Local and global consideration criteria filter partially covered LEDs during image capture, ensuring accurate orientation determination despite occlusions.

An open-hole reflector aligns the optical path to resolve beam parallelism issues caused by mirror deflection, vibration, and temperature variations.

Integrating a laser rangefinder into a sighting apparatus eliminates manual calculation errors by displaying target distance and aiming points simultaneously.

A handheld sensor conveys distance and thermal data through mechanical pin movements.

Segmenting a linear image sensor into dedicated imaging and range finding zones resolves conflicts between device complexity and measurement precision.

Plastic shells combined with aluminum yokes reduce laser scanner weight without compromising protection strength, enabling precise environmental scanning.

First and second-order differential analysis separates overlapping reflected beams to eliminate noise from semi-transparent objects.

Segmenting the gas plenum into varying diameters reduces void reactivity during coolant boiling while accommodating metal fuel swelling.

A dual mode power regulator switches between voltage and current modes to manage large pulsed currents in laser diodes.

A whirl-stop unit absorbs motor eccentricity in a surveying instrument frame to maintain vertical rotation accuracy.

Multi-wavelength laser beams estimate surface reflectivity ratios to correct concentration path length errors in differential absorption LIDAR systems.

A scanning apparatus uses a beam scanner tilted about two perpendicular axes to direct laser beams through a spherical cap window.

Ultraviolet illumination converts direct reflection into diffuse reflection, resolving alignment instability on transparent surfaces.