Paper-Money Testing Devices TRIZ Cases

Crisscross photoelectric sensors eliminate blind zones and improve location accuracy without increasing sensor count.

A two-dimensional barcode encodes a digital fingerprint derived from illustration attributes to verify image authenticity.

A system compares instruments against user profiles to verify authenticity and highlight matching elements.

Dynamic time-resolved luminescence measurement captures path-dependent memory effects in optical storage phosphors for unique authentication.

Fano resonance optical channels provide unique signatures that resist replication, solving counterfeiting risks in security articles.

A transparent viewing device overlays verification data onto the user's direct line of sight.

A dual illumination image reading apparatus uses visible and infrared light sources to capture sheet images.

A sheet processing apparatus uses feeding coils to generate magnetic fields and detect foreign objects via differential signal analysis.

A detection device calculates gradient values across measurement zones to identify dividing lines in composed banknotes.

Statistical analysis of printing distortions verifies authenticity without expensive equipment or high-resolution machines.

A security tag with optically variable elements enables automatic authentication through digital imprint comparison of captured images.

A compact printer moves documents between access and processing levels using an inter-level transport system for secure stamp application.

Distinct calibration parameters correct measurement deviations in soft and hard magnetic regions, ensuring accurate detection of value documents.

An automated apparatus captures biographic and biometric data alongside physical security features to verify genuineness.

A verification system compares machine-readable document data against an authoritative database to confirm authenticity.

A fluorescence lifetime imaging system calculates scene depth and lifetime using amplitude-modulated light and a lock-in time-of-flight sensor.

Cam guides and followers enable detachable validator attachment without mechanical damage, allowing larger stacker capacity for longer bills.

Optical measurement detects transmission and absorption properties to generate a unique material signature for security documents.

Layered magnetic plates with controlled holes create strong, complex fields that resist replication while remaining detectable by low-cost sensors.

Automated camera system captures document images in distinct spatial orientations to detect holograms via image difference, reducing manual verification time.

A controller varies sampling intervals using random numbers to select light sources for image acquisition.

A document display device renders stored data visually only after cryptographic reader authentication completes.

A sheet processing system stores currency data on RFID chips in reusable containers.

Stacking tunnel magnetoresistance sensor chips eliminates blind spots between adjacent sensors while reducing device volume and power consumption.

Illuminating banknotes with blue light increases optical density contrast between clean and soiled notes, resolving denomination-specific threshold failures.

Random optical fluorescent fiber patterns paired with algorithmic codes prevent deterministic duplication and secure documents against counterfeiting.

Integrates luminescence radiation along a transverse track to detect faint feature substances, resolving low sensitivity issues in document checking.

Dynamic luminescence sequences capture temporal decay patterns in optical storage phosphors, creating path-dependent verification that prevents imitation.

A perpendicular ultrasonic sensor detects sheet count via signal periodicity analysis.

A point-of-sale scanner integrates an ultraviolet filter to capture fluorescent responses from bills.

A photoluminescence sensor evaluates time-dependent signals to determine object edge positions within a measuring region.

Adjacent viewing-angle-dependent security features enable automated verification via telecommunications devices, reducing manual inspection time.

A media ejection controller adjusts transport paths to handle windowed and non-windowed currency notes accurately.

An asymmetric magnetic shield unit distributes flux uniformly, suppressing sensitivity reduction at ends while blocking external interference.

A layered security element uses semi-transparent functional layers to form distinct visual motifs.

Laser perforations in a metallic patch create visible patterns while UV-reactive ink reveals hidden features, resolving security complexity trade-offs.

Thin-film replication resolves the contradiction between manufacturing precision and total thickness, enabling high-contrast multicolored security features.

A device generates physical authentication markers on resource documents using embossed characters.

Dual-stage luminescence imaging detects mail item value labels using sequential daylight and excitation light illumination.

Sequential magnetization steps isolate combined magnetic areas by exploiting coercivity differences, resolving signal cancellation during detection.

Adjustable emission spectra from ytterbium-holmium mixtures prevent counterfeiting while maintaining rapid remote detection.

Segmented on-axis diffractive zone plates create dynamic visual effects that resist static replication techniques.

A security layer embeds spatial elevation profiles to reveal dynamic shape level lines via Moiré superposition.

A retracted projector-side end on the light-shielding body blocks external light, preventing photodetector malfunction in paper sheet handling apparatuses.

Circumferential light sources illuminate holograms from multiple angles to enable uniform imaging across different orientations.

Merging diffractive structures with diffusely scattering features creates a composite security element that resists counterfeiting replication.