Paper-Money Testing Devices TRIZ Cases
- Thickness Detection Device With Segmented Common Unit
Segmenting the common unit into regions with different gaps resolves the contradiction between high sensitivity and continuous scanning stability.
- Anti-counterfeiting Structure with Polarization-Stabilized Resonators
Mixed resonator patterns stabilize transmissivity across varying orientations, resolving authentication errors caused by tilted media.
- Superposed Security Element with Magnetic Field-Responsive Structural Color
A superposed security element uses magnetic field-responsive structural color to create a distinct visual verification feature.
- Bill Processor Circulation Path Compact Design
Replacing cylindrical loops with a rounded rectangular path reduces device depth while maintaining stable bill conveyance reliability.
- Photoluminescent Authentication Using Smartphone Camera Detection
A photoluminescent substrate emits a spectral signature measured by a smartphone camera to generate an authentication code.
- IR Reader Face Counting for Identity Document Forgery Detection
An IR reader processes facial image data to count recognized faces using software algorithms.
- Anti-counterfeiting Medium Identification Using Multi-angle Light Analysis
An identification device captures images of anti-counterfeiting media at predetermined angles to calculate similarity degrees against reference data.
- Spacing Protrusions for ATM Sensor Gap Stability
Spacing protrusions define a fixed distance between the sensor and lower body, eliminating tolerance-induced variation to ensure accurate counterfeit detection.
- Optical Laminate Polarization Concealment for Authenticity
An optical layered body uses overlapping linear polarizers to separate light and enhance layer concealability.
- Package Security Using Static and Dynamic Luminescent Elements
Static identifiers paired with dynamic luminescent features prevent counterfeiting by enabling unique authentication without complex manufacturing.
- VCSEL Phosphor Excitation for Mobile Authentication
Low-power infrared VCSELs excite phosphors on substrates, emitting visible light that mobile device sensors detect for reliable authentication.
- Laminated Document Authentication Using Shininess Histogram Analysis
A laminated document authentication system generates a 256x256 RG histogram to quantify pixel shininess and detect specular reflections.
- Light Detection Device Fluorescence Phosphorescence Correction
Segmented reference members enable independent correction of fluorescence and phosphorescence signals, resolving interference from excitation light.
- Authentication Verifying Chip with Encrypted Data and Holograms
An authentication verifying chip stores encrypted data and holographic elements to verify product authenticity.
- Character Recognition Using Template Images With Uniform Backgrounds
A character recognition method uses template images with uniform background areas to evaluate similarity against captured character images.
- 2D Barcode Encoding for Identity Document Authentication
Embedding calculated attributes and signed digital fingerprints in 2D barcodes to detect manipulated identity document photographs.
- Air Curtain Inspection for Paper Sheet Defacement
Lateral air supply creates a protective curtain between the standard plate and paper sheet during optical inspection.
- Document Fraud Detection Using Multi-Spectral Imaging
Automated optical imaging system scans financial instruments using electromagnetic radiation to identify structural layers and transaction anomalies.