Paper-Money Testing Devices TRIZ Cases

Multi-channel photocells measure distinct wavelength ranges to create complex spectral signatures that prevent counterfeit replication.

Mobile optical sensors capture printed hash values to verify document authenticity, eliminating specialized reading devices and reducing production costs.

Smartphone camera captures invisible security marks to authenticate goods and prevent counterfeiting without specialized tools.

Extracting phosphors from printed ink into the substrate protects emission spectra from wear, ensuring reliable authentication accuracy despite attrition.

Optical codes with variable spatial density optimize dot placement to enhance signal robustness and visual quality.

Mechanical rolling body sensors detect paper sheet displacement to verify ends, resolving optical transparency errors in banknote handling.

Plasma etching produces sub-40 micron magnetic tracers that enable portable detection and prevent counterfeiting in pharmaceutical supply chains.

A dynamic security pattern system modifies displayed digits to prevent unauthorized copying.

A removable label with an electrical signature validates OEM products by rendering the original packaging container unusable after removal.

A security print uses inks with infrared absorbers to create a hidden authentication layer detectable only by sensors.

A barrier material absorbs ultraviolet radiation to block low-wavelength excitation, preventing unauthorized transitions and enhancing secure tag specificity.

Detecting multi-source document features at different spatial scales to establish a collaborative sensing process for accurate identification.

Segmenting check images into multiple zones enables flexible keyword searching that reduces fraud risk without sacrificing processing throughput.

Metameric rendering encodes magnetic watermarks in standard toner to resolve the trade-off between high magnetic contrast and low device complexity.

A garnet structure optical storage phosphor with specific co-doping resolves chemical instability and slow luminescence in machine-readable security features.

Embossed nanostructures on polymer substrates generate structural colors and optical fuzziness through light diffraction.

UV absorbing ink forms negative images against fluorescent varnish backgrounds, solving interference issues from optical brighteners in carton stock.

A smartphone uses its LED and camera to excite and detect fluorescent pigments on security documents.

A telecentric lens-and-camera assembly images platelet-shaped pigment particles under collimated light to extract quantitative orientation data.

External data carriers supply software to sensors, eliminating costly service calls for updates.

A light receiving sensor uses bandpass filters to detect visible and infrared light intensities simultaneously without interference.

Authentication device uses two-dimensional material flakes emitting position-varying electromagnetic radiation for unique identification.

A document checking device retrieves check definitions from a remote communication server to verify documents.

Micro-optic film device uses thermal spacer layers to absorb laser energy, preventing bubbling and delamination during static 2D image marking.

Supercritical fluid extraction cleans banknotes to reduce replacement costs by 10% while preserving the integrity of embedded security features.

Core/shell particles fracture under mechanical stress, releasing dye that reacts with surrounding substances to produce a permanent visual mark.

A bill processing apparatus detects paper sheet damage using pixel density values before full reading completes.

Independent hemispherical movement of lighting and camera devices enables reproducible image capture conditions for accurate identity verification.

Grooved diffractive elements convert incident light polarisation to enable damage-tolerant authentication.

Paper-sheet recognition apparatus narrows candidate types using partial image data to reduce processing volume.

Actinic radiation triggers a photoluminescent mark within a photochromic layer, enabling controlled visibility without permanent optical distortion.

Sequential illumination modules create a shadow profile that identifies fasteners, enabling robotic removal to eliminate manual processing delays.

First sensing means detects the leading edge profile of banknotes to correct subsequent sensor outputs, resolving jamming risks from damaged notes.

A nematic liquid-crystalline layer forms latent motifs atop embossed alignment structures to create polarization-dependent optical effects.

Neural network segments document images to classify character authenticity, resolving detection accuracy versus system complexity trade-offs.

A card identifying apparatus generates moire patterns by adjusting pixel counts in image data to authenticate cards.

A medium storage device uses dual transit cassettes and an identification unit to sort banknotes into recycle or rejection paths.

Wide band X-ray fluorescence detects characteristic photon spectra to resolve low absorption efficiency in thin documents while maintaining high throughput.

Photochromic features change color under specific light wavelengths, enabling reliable remote authentication despite poor transmission quality.

An optical effect layer covers reflective structures to create moving image motifs, addressing insufficient counterfeit protection in static designs.

Alignment network transforms sample images to compute similarity scores, eliminating extensive database maintenance while detecting non-selected characters.

A mobile terminal adjusts excitation parameters to verify phosphor-based security features using camera and illumination units.

Dual infrared channels separate oil stains from counterfeit features, preventing misidentification of soiled notes as fake currency.