Optical Detection TRIZ Cases

See how infrared scanning curtains detect aisle obstructions in mobile shelving systems to halt

See how time-of-flight distance measurement eliminates false activation in touchless lavatory d

See how infrared transmitting and receiving devices enable gesture-based water dispensing witho

See how a bumper-integrated detection system adjusts brush speed and suction force in real time

See how infrared sensing replaces mechanical switches in water dispensers to eliminate bacteria

See how combining infrared and weight sensors resolves image-recognition misjudgment when objec

See how infrared emitters and wireless alerts replace manual paper checks in restrooms, reducin

Multiple light sources and a color sensor verify lead frame patch attachment before molding, preventing glue overflow and manual rework.

Inductive or optical cut-off state detection flags mismatches in smart meters and sends PLC alarms to improve fault origin diagnosis.

A vertically moving scanner builds 3D overhead buffer coverage to detect small or transparent FOUP obstacles with higher precision.

A microcontroller-powered PIR circuit uses an internal op-amp bias supply to cut noise, false triggering, and standby power drain.

Two independent controllers cross-check encoded feedback signals to validate load states and detect faults despite electrical transients.

A wide-area radiation beam and image sensor improve wafer carrier slot detection for low-reflectivity wafers such as glass.

Branching hot-melt resin into separate housing spaces improves substrate coverage and reduces gaps, air bubbles, and insulation failures.

A laser beam, light gate, and sensor detect wafer notch position with fewer lighting-related false positives and less wafer scrap.

Multiple laser beams and frequency separation detect wafer presence and jaw parallelism despite tilt and cleaning liquid interference.

A deflector ring vents pressurized air at the shell gap to limit pressure loss while preserving sensor rotation and scanning reliability.

A light beam, reflector, gate, and sensor detect wafer notch position with fewer lighting-related false positives and less scrap.

A convex barrier between emitter and receiver blocks near-field reflections, enabling stable proximity sensing despite object reflectance.

Diffuse-reflection wafer sensing avoids specular-light errors from deformation or misalignment, improving substrate presence detection accuracy.

Continuous laser height monitoring detects load shifts on vehicle carriers and alerts drivers before overpass clearance is exceeded.

A sloped clamp rib uses surface tension to stop sealing resin leakage between the housing and clamp, improving sensor sealing reliability.

A spatially resolved light curtain detects and localizes sheet jams early in high-speed processing stations to prevent damage and poor output quality.

A gas-actuated check valve keeps tool measurement optics sealed from coolant and debris when bleed gas is off, while preserving beam accuracy.

A flow-activated check valve seals the optical path against coolant and debris when bleed gas stops, reducing cleaning and damage.

A virtual laser grid compares sensor distances to a reference profile to detect foreign objects near moving drilling equipment parts.

Configurable light curtain zones let non-critical objects pass without full shutdown, preserving safety and system availability.

Shorter-wavelength laser sensing enables smaller apertures in machine tools, reducing coolant ingress, air use, and measurement loss.

A longitudinal diffusing indicator on the cover improves status visibility in rigid metal light curtains without blocking optical axes.

A light curtain uses direct optical requests from mobile systems to open an access zone without higher-level control traffic or unsafe entry.

Laser-made modification structures inside the front window block transmitted light crosstalk and improve signal detection in compact camera sensors.

Orthogonally mounted LiDAR or RADAR sensors in one enclosure improve elevator shaft and pit personnel detection while cutting installation and false alarms.

A movable trap and viewing window confirm projectile passage through a conduit, reducing manual hose blockage checks while keeping detection reliable.

A single enclosure with orthogonal LiDAR, RADAR, or RGBD sensors improves elevator shaft and pit personnel detection while reducing wiring and maintenance.

A built-in test device checks amplifier faults before or during operation, preventing false object detections in safety light curtains.

Periodic amplifier self-tests catch signal faults before they trigger false object detections in a fail-safe light curtain.

Preset jumpers or memory let one sensor interface reassign signals and operating modes, improving compatibility with different external units.

Deactivating the amplifier during multiplexer switching prevents transient signal interference and keeps object detection fast and reliable.

By deactivating the amplifier during receiver switching, this light curtain avoids transient signal distortion and shortens detection response time.

Multiple emitters assigned to each receiver raise light power density, extending light curtain detection distance for larger safety areas.

Using common wiring for both signals and external communication cuts cable count, lowers misconnection risk, and preserves noise resistance.

Automatic teaching sets floating blanking limits from scan results, reducing false machine stops while preserving photoelectric safety monitoring.

Timed multi-point detection bridges part of a light curtain so workpieces can pass without unnecessary machine shutdowns.

Pulse width evaluation and receiver-count feedback align light barriers without laser pointers, cutting setup complexity and cost.

Visible laser guidance and alignment indication help pre-align optoelectronic arrays faster, reducing trial and error before precision setup.

Vertical emitter and detector arrays map product height, edges, and contour in real time for dense transport lines and machine safety.

A pivoting cover blocks the sensor optical path and stays securely positioned, stopping mechanical equipment during maintenance.

Visible laser source and indicator modules speed near-alignment of optoelectronic arrays, reducing manual guesswork in light curtain setup.

A zoned light grid distinguishes permissible from impermissible objects without reference objects or extra sensors, simplifying protective field monitoring.

Boundary-position output preserves object outline features from light curtain sensors while cutting transmission load for real-time external processing.

Direct contact between a transmissive beam-forming element and an absorbent support body cuts stray light and helps prevent false detections.

Direct contact between a transparent beam-shaping element and an absorptive support cuts interface reflections and stray light in optical sensors.

Using one configurable IC for both transmitters and receivers cuts light barrier development, manufacturing, and inventory complexity.

Past inquiry and quality data guide automatic door troubleshooting, cutting expert dispatches and improving countermeasure accuracy.

A reference spectral pattern reveals intrusions without known object signatures, enabling safer monitoring area detection and response.

A trigger unit and Hall sensor let a pool cleaner detect walls and obstacles early, then reverse automatically to avoid wasted cleaning time.

Type-based delay timing lets coupled photoelectric sensor units avoid mutual interference while preserving response speed and measurement accuracy.

A dual-element thermal infrared detector uses a lens array to direct incident energy onto sensing elements producing a sustained direct current output.

A downhole optical spectrometer uses a near black body light source emitting at multiple filament temperatures to compute continuous transmittance spectra.

Segmented light barrier elements attach to guide rail recesses for flexible obstacle detection along non-linear gate paths.

A diagnostic meter uses dual-color light sources to detect test strip reflectance for precise insertion verification.

Time-of-flight sensors compare 3D scenes to detect objects without RFID tags or complex cameras, reducing energy consumption.