Optical Rangefinders TRIZ Cases

Movable optical assemblies adjust magnification to maintain image scale, extending measurement range beyond standard progressive lens limits.

A distance measuring device uses avalanche photo diodes to detect reflected light for precise range calculation.

A grayscale image generation device corrects pixel values using distance data to improve distant object visibility.

Comparing active time-of-flight and passive triangulation distances detects lidar blooming, preventing false positive results in autonomous vehicle perception.

Dual detection grating masks reduce zero drifting sensitivity in charged particle beam inspection systems.

A photodetection device uses switched light paths to generate pulse signals for internal component testing.

Analog circular buffer stores LIDAR return samples and triggers digitization only upon threshold detection, reducing false triggers and power consumption.

Beam splitters merge laser rangefinder paths with binocular optics to measure distance without increasing device size.

Sequential angularly offset beam scanning compensates for parallax effects and reduces ambient light noise in LIDAR object detection.

Relocating the beam splitting cube to the eyepiece space eliminates complex relay lenses, reducing device complexity while maintaining high optical performance.

A rotating laser system uses distance measurement to automatically align its reference beam perpendicular to a target surface.

Automatic calibration corrects fine interpolator nonlinearities in transit time range finding.

A 3D camera uses overlapping Fresnel prisms to deflect light paths for scanning.

A shaped divergent laser beam pattern projects over a wide area to enable continuous autonomous speed measurement of vehicles.

Angled transmitter-receiver axis on a common printed circuit board resolves the trade-off between device complexity and sensor size.

Correlating received light intensity with separation distance enables accurate range detection without bulky radar arrays or complex computing systems.

Separating the light source from projection optics via optical fibers reduces front-end mass and improves thermal management for pedestrian safety.

A laser scanner control unit calculates sun direction and brightness to restrict scanning in high-intensity areas.

A velocity detecting device uses a laser light source and area sensor to acquire image patterns from scattered light for motion analysis.

An integrated lidar system uses a common receiver telescope to perform simultaneous wind speed and chemical composition measurements.

FeCoNiVMoTiCr high-entropy alloy resists radiation hardening and swelling while sustaining tensile strength over 580 MPa.

Aligning a camera optical axis with a scanner nodal point via a beam splitter eliminates parallax errors and missing color data in surveying instruments.

A transmissive optical image modulator uses a transparent substrate to support expitaxial layers for high-speed electrical-optical response.

Aligning coordinate systems between a 3D measurement device and an intelligent guidance device using gravity and magnetic sensors.

A signal processing device combines moving-average calculation with an infinite impulse response filter to reduce noise components in displacement measurements.

A lidar light detection device dynamically sets thresholds using segmented light reception regions to improve measurement precision.

Merging multiple rotators into a single code disc reduces device complexity while maintaining measurement precision through waveform recognition.

Replacing GPS with laser ranging and retroreflectors achieves millimeter-level position precision for distributed aperture radar beam control.

A single-line-extracted pure rotational Raman lidar isolates specific nitrogen lines using interference filters and Fabry-Perot interferometers.

Satellites transmit synchronized light pulses to locate underwater terminals, mitigating solar background noise with atomic line filters.

Folding the transmitted light path with a deflecting element allows long focal length optics, increasing depth of field without expanding installation space.

An offset laser scanner tracks targets automatically, eliminating manual measurement area setup and improving survey efficiency.

A distance measuring apparatus projects multiple laser beams using a single camera unit to capture position detection information across expanded ranges.

Passive speckle analysis determines range without active laser emission, avoiding detection by enemy laser warning systems.

A carbonitriding process forms a solid solution of carbon and nitrogen in austenitic stainless steel surface layers to enhance wear resistance.

A focal longitudinal optical sensor detects light beam cross-section profiles to determine object position with minimal hardware.