Optical Rangefinders TRIZ Cases

A distance measurement apparatus switches projection angles to adjust sampling positions for varying target ranges.

Difference and quotient sums from triangulation probes create a vector space where convex hulls separate objects from inhomogeneous backgrounds.

A dual-path optical detector scales measurement ratios to cancel crosstalk variations, maintaining precision despite temperature changes.

A 3D image processing apparatus determines a region of interest and modulates emitted light pulses for precise depth measurement.

A MIMO LiDAR system uses overlapping illuminator and detector fields to resolve targets with fewer components.

A distance measuring apparatus uses a series diode to clamp photodiode current, stabilizing the signal for accurate time-of-flight calculations.

A vehicle parking support device selects distance measurement methods based on calculated movement amounts to optimize spatial accuracy.

Gyro-controlled opto-mechanical stabilization compensates for hand jitter, ensuring precise targeting of distant objects without bulky mechanical gimbals.

Detecting shadows from ToF and RGB disparities, the system corrects depth data to eliminate unnatural dents in combined 3D images.

Vertical alignment of the light source and camera eliminates structural occlusions in rotating mechanisms, ensuring comprehensive environmental mapping.

Alternating mask features encode object length into pulse widths measured at amplitude extremums, improving cytometry accuracy.

Distance image acquisition device detects body movement to prevent projection deviations without increasing apparatus complexity.

A sighting device uses a retroreflector to provide a defined optical target for electro-optical surveying instruments.

Elongated photosensitive detector surface expands laterally to capture defocused light, maintaining signal intensity across varying measurement ranges.

An optical distance measuring device tracks elevator car position changes in the shaft to assess traction capacity without complex sensor attachments.

Sensors monitor stick depth and angle to enable real-time stroke adjustment, eliminating manual calibration and reducing production waste.

Optical measurement system determines distances to multiple points on walls, enabling accurate area calculation without physical contact.

Correlated double sampling compensates for reset voltage levels while a mask signal reduces capacitive coupling during shuttering.

Helical fins in double-walled cladding reduce temperature gradients by disrupting thermal boundary layers while resilient fingers accommodate fuel swelling.

A laser radar device projects light through a vehicle windshield using horizontal spacing between projection and reception parts.

Pyramidal optical elements redirect incident beams via multiple internal reflections to maintain spectral filter properties at large angles of incidence.

Angled reflectors generate dual parallax images of structured light, canceling errors from texture variations and shadowing for accurate dimension measurement.

Varying the unit pixel pitch across the sensor compensates for peripheral sensitivity drops, expanding the measurable viewing angle.

Echo canceller generates coefficients to subtract interference light from detection signals, enabling simultaneous multi-object distance measurement.

A dual-path optical focusing apparatus selects imaging precision to adjust defocus position rapidly.

Absolute encoders and counter circuits detect rotation angles at high speeds.

Sequential low then high pulse power emission protects the receiver from damage by highly reflective targets without adding protective filters.

A lidar noise remover evaluates angular and distance proximity between range points to filter data.

A distance measurement device overlaps imaging and time-of-flight periods to execute both tasks simultaneously.

A laser radar device adjusts its demodulation band parameters to maintain high accuracy during target vibration.

An integrated direction sensor captures wind direction automatically, eliminating manual input errors in ballistics trajectory calculations.

Replaces bulky radar with fiber-optic phased arrays to resolve weight and resolution trade-offs in degraded visual conditions.

A distance detection device adjusts light pulse frame rates based on calculated target ranges to maintain measurement precision.

Spectral analysis of beat signals enables coherent combining without prior position data, resolving the reliability versus adaptability trade-off.

Compensating for Doppler shifts in up-chirp and down-chirp signals eliminates ghosting artifacts, ensuring accurate target location determination.

Galilean optical adapter transforms TTL laser radiation diameter to match objective lens entrance pupil size, eliminating costly probe redesigns.

Circuitry relaxes distance measurement conditions using second sensor data when first sensor outputs a predetermined value, extending operational flexibility.

Segmented emitter arrays with beam scanning mirrors expand the field of view while maintaining high point cloud density for real-time imaging.

A partial reflector provides a reference signal to linearize the frequency chirp of an FMCW coherent LiDAR laser source.

Dual frequency derivation decouples time intervals from sampling rates, achieving sub-picosecond resolution without high-cost electronics.

Light guide means route light on an angled path, allowing a single sensor apparatus to monitor multiple areas without direct placement.

A range imaging module uses a band-pass filter coating on a cover to block unwanted background light.

Periodic pulsed emission and narrowband filtering reduce eye hazards while maintaining measurement accuracy under sunlight.

An angle measuring unit calculates positioning information from light incidence angles using strategically placed sensors and reflective elements.

Dual reflection photosensors with a double-sided reflector calculate position via output ratios, resolving size constraints in wide-range detection.

A distance detection device calculates subject range to control a shake correcting optical system for precise image stabilization.

Segmenting stereo cameras across a vehicle expands measurement coverage while maintaining triangulation precision.

Calibrating lidar beam parameters using reference data resolves waveform characteristic errors, ensuring accurate object recognition in autonomous driving.

A multi-wavelength diffractive optic element generates discrete light intensity profiles to detect objects across varying distances.

A distance measuring camera calculates subject range using image magnification ratios from two optical systems with different focal lengths.