Optical Rangefinders TRIZ Cases

A distance measuring apparatus emits pulsed light beams at random intervals to generate timing histograms for accurate object detection.

A LIDAR imaging system uses a polarized beam splitter and quarter wave retarder to prevent interference between illumination and reflection beams.

Segmenting detection into multiple universal nodes reduces false actuations while distributing system complexity.

Scanning a point of light with a MEMS mirror eliminates the need for separate structured light sources, reducing imaging system complexity.

A vertically movable LIDAR sensor adjusts its field of view lower limit based on detected road boundary elevation.

Evanescently coupled waveguides distribute optical power across densely integrated nanoantennas on a single silicon chip.

A surveying device integrates a range imaging sensor with a switchable target illuminator to generate area illumination in distinct states.

Integrating a laser projector and sensor into one device resolves the trade-off between alignment versatility and tool complexity.

Spatial detection guides selective post-integration of temporal frames, reducing noise interference and improving measurement precision for small targets.

Bit-shift operations replace division to reduce IC silicon area and processing time while extending the unambiguous range.

An optical system with a wedge array adjusts beam incidence angles to prevent spot cut-off at the objective aperture, ensuring full field angle utilization.

A marine position sensor uses a motorized actuator to adjust the optical assembly inclination for continuous laser target detection.

A rigid camera mount frame holds reference scales parallel to the photographic plane.

A measurement device scans objects using electromagnetic waves in multiple directions to detect obstacles.

A laser distance measuring device uses a selection device to dynamically adjust the receiving surface based on beam deflection angular velocity.

The system applies variable division spacing and focal adjustment to correct binocular parallax inconsistencies, resolving unnatural depth perception in anaglyph 3D viewing.

A bistatic lidar device aligns transmit and receive beam foci on a common axis using linear translation stages.

Fourier transform analysis of a single captured image determines object distances without stereographic devices or complex correlation computations.

A frequency shift light modulator integrates a diffraction grating directly onto a piezoelectric resonator to achieve compact optical signal processing.

Dual-axis pivoting eliminates time-consuming perpendicular orientation, reducing measurement effort while maintaining accuracy.

A flash LADAR sensor uses a focal plane array to capture 3-D terrain data without mechanical scanners.

IMU-based metroprobe determines hidden point coordinates without line-of-sight, reducing system complexity.

A laser sensor module uses self-mixing interference signals to determine particle size via relative distance and amplitude analysis.

A scanning LiDAR uses a single transmitting and receiving lens with a hole mirror to direct pulsed laser beams.

A geodetic instrument adjusts photodiode bias to improve dynamic range.

A laser ranging device calculates distance using light projection angle and time of flight data.

Calibration method determines cross-talk parameters using absorbing targets to adjust measured object distance.

Cross-correlating dual beat signals reduces photonic shot noise, enhancing coherent lidar detection range.

A range image generating apparatus alters modulation frequency to reduce interference.

A wide angle photobeam emitter transmits signals to a receiver for obstacle detection.

A holographic system renders personnel avatars using locator devices and magnetic sensors for precise indoor positioning.

Dynamic thresholding and partial averaging resolve the contradiction between measurement precision and false alarm rates in adverse weather.

A rail walking mechanism with laser structured light and focus-fixed cameras constructs partial three-dimensional coordinate systems for rapid data acquisition.

Optical system modifies projection parameters to widen image capture view angle while maintaining angular resolution across the entire range.

Segmented time-of-flight sensors with single-photon avalanche diodes provide precise protection coverage for complex robot tool geometries.

Segmented projection surface spatially separates distant and near-field pulses to suppress false measurements from close-range obstacles.

A thin glass pane with a coated surface and ring element reduces measuring artefacts and optical aberrations in distance measuring devices.

Integrating signal charge over multiple pulse periods enables accurate time interval measurement for distances up to 120 meters.

A receiver lens system combines a glass lens and an adjustable plastic lens to correct optical aberrations.

Optical tracking of light targets on drill booms provides real-time position feedback, correcting toe placement errors and reducing costly bootleg formation.

Alternating pixel angular apertures enable simultaneous sub-image acquisition, resolving response time bottlenecks in moving scenes.

A range finder uses magnifying units and scale markings to determine object distance through visual alignment.

An optical diaphragm suppresses proximity noise from exterior surface reflections, improving measurement accuracy.

Extracting analog components from pixels into shared external blocks shrinks chip area while maintaining high dynamic range and ambient light resilience.

Segmenting diffraction stages and merging sub-speckle patterns resolves non-uniform density caused by synchronous VCSEL array emission.

A space-qualified LiDAR system uses a microelectromechanical scanning mechanism for high-resolution imaging.

A position measurement head uses optical fibers to transmit light, reducing size and weight while maintaining high accuracy.

A time-of-flight distance measurement apparatus uses pixel signal comparison to detect interference.