Optical Rangefinders TRIZ Cases

See how triangulation ranging with multiple light sources and photosensitive surfaces prevents

See how angular-encoded laser patterns replace complex circuitry to determine spatial position,

See how a reflection member in the scan range returns light to the ranging device, increasing s

See how a sensor cover with angular light-blocking openings eliminates body and floor reflectio

See how ultrasonic distance detection replaces manual counting to automatically monitor article

A single light receiving module uses front, side, and upward IR emitters to cut sensing cost and detect overhead obstacles.

A slit-guided ocular tool aligns a scope reticle to firearm features without external references, preventing lateral shot displacement.

Depth and skeleton sensing track presence and movement in real time while preserving privacy and distinguishing multiple people in any lighting.

A spheroidal transmissive cover redirects reflections between stereo viewpoints to suppress stray light and improve image recognition and distance measurement.

A triangular-wave refractive steering approach evens LIDAR beam spacing, improves scan coverage, and lowers power and tuning demands.

Combining short and long camera baselines by object characteristics improves distance accuracy and matching reliability for vehicle sensing.

Combining monocular and stereoscopic phase-difference measurements improves distance accuracy and reliability for non-planar vehicle objects.

Calibrate a work-machine distance sensor from external reference objects when the work tool is outside the measurement area.

Triangular cable-net modules with tension and distance control simplify reflector antenna fabrication and improve shape matching and replaceability.

A fisheye-lens marker measurement approach estimates receiver distance in real time to correct antenna phase shifts and improve short-range power reception.

Multiple protected power units switch to keep a ranging module powered longer, improving battery life and supply reliability.

Dedicated liquid and air nozzles clean LiDAR and camera covers together while offloading cleaning control from the vehicle ECU.

Two-pass distance and brightness filtering removes vehicle LiDAR crosstalk artifacts without extra hardware, improving object detection reliability.

Angled optical windows, baffles, and filters reduce internal reflections and ambient light for more accurate lidar ranging.

A multi-region isolation structure around a SPAD photoelectric conversion device cuts electrical and optical crosstalk while lowering dark current.

Non-overlapping observation sets let parallel filters avoid temporally correlated detections while preserving update frequency for autonomous robot tracking.

Predicted LIDAR sectors isolate trailer data, reducing compute waste and improving pose estimation for autonomous tractor-trailers.

Temperature data along the lens optical axis is used to correct focal shifts and keep vehicle distance measurement accurate in harsh conditions.

Controlled Risley prism rotation approximates a triangular waveform to even LiDAR scan spacing, improve coverage uniformity, and cut power use.

A shared ECU links two vehicle cameras to add stereo depth sensing while cutting wiring, weight, cost, and hardware complexity.

Asymmetric circuit placement and heat-transfer paths balance left-right sensor temperature and reduce imaging element heating.

Oblique light reflection sensing detects substrate passage accurately in complex transfer paths with multiple processing and load lock modules.

Offsetting parallel light emitter arrays from their optical axes removes non-irradiated gaps while preserving strong, continuous illumination.

Multiple comparator thresholds and time-walk correction extend measurable distance while improving point cloud density and accuracy under external light.

A hafnium-oxide pass filter blocks harmful UV wavelengths so an excimer bulb can sterilize occupied spaces with IoT-based use tracking.

IMU-based posture checks accept calibration only when the work implement is statically stable, improving guidance and control accuracy.

Position sensing and stored site coordinates let a work machine measure distances to unreachable points without entering difficult areas like rivers.

Separate timing and reflection receivers with guided pulse paths correct emission and reception variation for more accurate distance measurement.

A light control mechanism redirects LiDAR beams by road condition, extending object detection range while preserving usable return light.

A microlens array and telecentric afocal layout raise ToF ranging resolution without enlarging the light receiving element array.

DRAM memory bins and inter-pulse refresh cut SRAM transistor overhead in LIDAR pixels while preserving time-of-flight resolution and range.

Microlens beam splitting with a telecentric afocal layout keeps emitter and receiver views aligned for compact, high-resolution ToF sensing.

A resistor-and-transistor clamping circuit limits SPAD overvoltage before it reaches the readout path, preventing breakdown under excessive laser light.

Separating returning beams by polarization lets a LiDAR pixel raise SNR, improve surface discrimination, and sharpen object and velocity detection.

A microresonator PIC and coherent in-line balanced detector remove isolators and circulators, enabling more compact LiDAR with higher pixel resolution.

Flexible-sheet pivots and electromagnet-driven mirror motion widen vehicle detection coverage while limiting vibration and shock effects.

A balanced Maxwell bridge coil with temperature correction improves foreign object detection in wireless power transfer, including small metal objects.

Unique VCSEL beam profiles encode source identity, enabling faster 3D object positioning without complex correspondence processing.

On-chip signal processing and selective output cut imaging module thickness while sending only needed image data and metadata.

A reflected light beam and time-of-flight analysis track vertical and transverse contact wire movement without invasive sensors or camera systems.

Adjusts acceleration and deceleration timing during stereo camera distance correction to avoid sudden braking from temperature or mounting drift.

Internal signal processing and selective image or metadata output cut transmission load while keeping imaging modules compact.

Image-based template matching realigns removable vehicle sensors after replacement, preserving computer vision accuracy across similar vehicles.

A back-illuminated ToF sensor moves wiring off the light-receiving surface to raise sensitivity, suppress noise, and improve distance accuracy.

Electro-optic resonator feedback injection-locks an on-chip laser to narrow linewidth and enable compact FMCW lidar sources.

A chalcogenide-glass lens layout reduces Petzval sum to correct aberrations while keeping a small f-number for infrared distance measurement.

A multilayer hafnium oxide pass filter blocks UV above 231 nm, enabling excimer sterilization that kills pathogens without harming human tissue.

Optical triangulation measures the showerhead-to-support gap through a chamber window, enabling precise high-temperature alignment despite bowing.

Adjustable duty cycle correction aligns light emission and depth measurement signals to reduce depth errors and improve image data quality.

A saturated optical amplifier keeps LIDAR output amplitude constant during frequency tuning, improving distance and velocity data reliability.

On-chip signal processing and selective output reduce image data transfer while helping imaging sensors stay thin and compact.

A duty cycle feedback circuit corrects timing mismatches between light emission and depth measurement to improve depth accuracy and image data reliability.

Digital pulse counting in a laser rangefinder replaces amplitude-based timing to reduce timing walk error and improve long-range distance accuracy.

Aligning camera images with LIDAR reflections helps derive road elevation and vehicle speed for more precise autonomous navigation.

Mode switching across frequency, exposure time, duty ratio, and light intensity extends distance measurement range while avoiding saturation.

Corrects Doppler shift errors in FMCW LiDAR surface scans by using distance and time differences to calibrate oblique measurements.

Range-switched depth algorithms improve close- and far-distance accuracy while reducing data overflow in optical cleaning robots.

A wedge element and sensor array support high-speed LIDAR scanning while correcting parallax and limiting excessive close-target signals.

Dynamic pulse width adjustment resolves the trade-off between short-distance resolution and long-range accuracy in time-of-flight sensors.

A sensor merges time-of-flight and triangulation using avalanche photodiodes for distance measurement.

An optoelectronic sensor uses optical comb filtering to achieve sub-picosecond time resolution for distance measurement.

A beam-formed electromagnetic wave apparatus scans road surfaces to measure distance and reflection intensity for precise division line detection.

A display apparatus rearranges pixels to correct video information for undistorted projection on curved surfaces.

A position measuring system determines construction device location using direct distance and viewing angle data from site markings.

An optical wedge prism offsets a laser beam to a pixelated detector for real-time beam waist analysis.

Separate transmitter and receiver apertures boost light collection efficiency, resolving the trade-off between reception performance and system complexity.

Three-level pseudo noise modulation suppresses interfering signals to resolve multi-user ambiguity in time-of-flight cameras.

Recognition device determines road surface points via reference point relations, avoiding heavy flatness calculations.

Separating the beam emitter from the detector eliminates high numeric aperture lens requirements, enabling precise distance measurement with simpler optics.

A diffractive mask encodes a rotating point spread function to estimate object distance via computational deconvolution.

A lidar imager replaces mechanical scanners with a spatial light modulator, eliminating moving components while enabling flexible field of view adjustments.

A spectrally broadband superluminescent diode combined with an optical amplifier generates pulsed light signals for distance measurement.

A sensor device integrates multiple range finders with stereoscopic cameras to determine object distance using near-infrared radiation.

An organic solar cell sensor generates electrical signals dependent on illumination geometry to extract object location and distance data.

Wireless devices process floor requests containing organization identifiers to determine call priority and manage media traffic sessions.

A geodetic surveying system captures image data to visualize surveying tasks on a display for rapid user identification.

A range imaging device emits elliptical structured light patterns to improve spatial resolution and measurement accuracy.

A firearm aiming system uses an electro-optic tracker and tilting mirror to direct a laser beam for target range measurement.

Dual-frequency amplitude modulation resolves phase shift ambiguity to extend unambiguous range and accuracy.

A zirconium alloy coating on silicon carbide ceramic composite fuel cladding provides a protective barrier against corrosion and micro-cracking.

Silicon carbide composite cladding with oriented fiber layers resists anisotropic expansion and deformation under reactor heat.

Dynamic testing unit manipulates light signals to verify optoelectronic sensor functionality without mechanical movement.

Intersecting optical surfaces redirect electromagnetic waves to prevent vignetting and maintain light levels without enlarging the optical system.

Segmenting frame acquisition into periodic light pulses increases peak intensity and signal-to-noise ratio without violating eye safety limits.

A segmented imaging optical element captures multi-wavelength images using distinct focal lengths to estimate object depth distances.

A monocular camera detects three-dimensional object positions using intersecting light beams projected at specific angles.

Segmenting pixel taps into pairs enables simultaneous correlation measurements within a single modulation cycle.

A satellite metrology system uses a divergent laser beam and retro-reflectors to measure lateral and longitudinal offsets between formation-flying satellites.

Modulating laser beams with pseudo-random codes enables high-resolution underwater object detection, overcoming sonar precision limits.

Synthesizing depth values from ToF and stereo cameras using one modulated light source resolves projection interference noise.

A distance measurement apparatus adjusts SPAD counts and sampling frequency during image frame formation to optimize signal processing.

Frequency domain multiplexing separates LIDAR channels to accelerate data generation across larger fields of view without increasing device complexity.

A processing unit calculates image shifts to align a laser telemeter with stabilized binocular imagery.

Segmented matrix light receiving unit reduces chip size and power consumption by excluding ineffective regions from signal processing.

A microlens array with diffractive and refractive elements creates multiple focal lengths on an image sensor for simultaneous multi-distance imaging.