Paper-Money Testing Devices TRIZ Cases

Doping material embedded in polymer substrates transmits lateral radiation to generate unique spectral signatures for machine-readable authentication.

An overlapping ink configuration merges infrared luminescent and absorbing layers to enable dual feature detection.

Non-standard activation sequence prevents unauthorized RFID data reading while maintaining manufacturing simplicity.

Paper sheet processing apparatus uses distinct light paths for sensors to minimize cross-talk and improve reading accuracy.

A secure document uses bio-sourced polymers verified by isotope 14C analysis to confirm material origin.

Optimized fluorescent material concentration creates unique emission intensity differences that prevent counterfeiting and enable precise user identification.

Specialized invisible ink reveals hidden codes under UV light, preventing counterfeiting while requiring dedicated readers for verification.

Automates DOVID authentication by extracting illumination distribution features, replacing manual microscopic examination with fast histogram comparison.

Extract spatial distribution of local intensity maxima from optical images to resolve the trade-off between verification reliability and device complexity.

Segmented currency processing architecture reduces manual counting time by integrating automated evaluation with universal strapping modules.

Mixture of luminescent materials creates complex decay signatures that resolve counterfeit banknotes.

A display system switches between dummy and real barcodes based on optical sensor detection of scanner light.

A bill handling apparatus adjusts feeding speed via a stepping motor to enhance identification accuracy.

Segmented sensor modules with pre-correction storage enable easy maintenance and reduce costs in banknote handling apparatuses.

A sensing system samples inserted items at intervals to detect non-banknote objects before they enter the validation path.

Segmented printed layers with preliminary registration marks enhance counterfeiting resistance while maintaining manufacturing precision.

Hinged upper body rotates to adjust the gap between the discriminating sensor and feed rollers, resolving measurement precision versus mechanical resistance.

A machine-readable zone barcode duplicates identification document data to enable automated capture without precise alignment.

Removable front elements protect sensitive measuring components from dust while reducing maintenance effort and jamming risks during high-speed transport.

A UV-based optical detection system analyzes transmitted light patterns through paper substrates to identify genuine security features.

Authentication chip uses iridescent pattern to prevent forgery while maintaining fast card reading convenience.

Neural network models identify receipt row regions and character content to extract time, store name, and payment amounts without manual recording errors.

Multi-angle illumination creates contrast between character edges and backgrounds, enabling accurate verification of small embossed text on metallic surfaces.

Pixel data analysis evaluates optical security features against reference ranges to generate quality signals.

A photonically active security feature detection system uses fluorescence and laser emission to identify banknotes.

Laser-inscribed microstructures match display subpixels to generate visible colors, resolving low saturation issues in traditional laser marking.

White light interferometry creates depth profiles to detect internal manipulations in opaque security documents.

A speckle pattern authentication system extracts unique optical signatures from paper surfaces using smartphone imaging and image processing algorithms.

A compact spectrographic device uses a single collimating and focusing optical element to decompose light from security documents into spectral components.

A magnetic sensor device uses opposing permanent magnets to generate a cross magnetic field that biases an AMR element for precise detection.

Rotation sensor synchronizes image scanning modules with bill movement, eliminating distortion from unstable motor speed and improving measurement precision.

Segmented levers activate optical sensors based on mail item width, resolving the trade-off between high precision and system cost.

A spectral detection filter allows sufficient excitation light to reach the detector, reducing distortion from simultaneous luminescence signals.

A light spectrum authentication device applies statistical processing to mark values for reliable verification.

A fraud confirmation apparatus uses invisible wavelength light and a reading sensor to output multiple pieces of fraud confirmation information.

UV irradiation increases the electrical conductivity of security elements, enabling reliable electroluminescent detection at lower excitation voltages.

Digital image matching of intrinsic material microstructures eliminates costly physical markers while preventing counterfeiting and tampering.

Authentication apparatus extracts phase modulation information from frequency domain data using inverse Fast Fourier Transform.

A verification system detects composite forgeries by measuring feature positions and comparing distances against standard values.

Segmented Fresnel lenses expand the observable angle range for kinematic effects, improving banknote security against counterfeiting.

A micro-optic device uses a two-dimensional lens array to project multiple image channels simultaneously.

A configurable optical filter system reads security elements using a two-dimensional sensor to map unique optical properties.

A two-dimensional shift-invariant wavelet packet transform decomposes banknote surface images into frequency sub-bands to extract texture features.

Active OLED lighting in a dome cover eliminates multiple reflections and light discoloration to ensure accurate color detection of optical features.

A paper sheet recognition apparatus segments captured images into pixel blocks to identify valid areas for fitness determination.

Printable ink layers generate unique signatures via emission and reflection, countering counterfeiting without complex processing.

Authentication device uses evolving crackle patterns to convert security features into machine-readable formats for identity verification.