Paper-Money Testing Devices TRIZ Cases

A processor performs pseudo-damage processing on normal banknote images to generate synthetic damaged variants.

Pseudo-random micro-dot patterns modify surface reflectance for high-speed production, preventing counterfeiting while maintaining material appearance.

Dual magnetization aligns magnetic materials to generate distinct signals, resolving signal differentiation bottlenecks in value document verification.

Automated mobile verification analyzes identification documents and facial features to authenticate users, reducing unauthorized transaction risks.

A virtual teller check embeds a unique visible pattern to validate authenticity.

A document display device modulates optical signals to transmit secondary data imperceptibly.

Luminescent layers modulate brightness to create a dynamic 3D effect, solving color degradation and low visual appeal in conventional security features.

A coding system uses phosphor combinations to form luminescent security features with identical spectral codes but distinct color impressions.

Segmented magnetic sensing units subtract environmental noise from sheet signals, enabling precise authenticity detection in processing apparatuses.

A revelation screen with occulting elements reveals nested images in a secure article by adjusting viewing angle.

Mirror assemblies redirect optical paths to capture dual-sided documents without bulky equipment, resolving space and reliability contradictions.

Segmented depositories prevent paper jamming caused by mixing different outer sizes, ensuring reliable accumulation without rehandling delays.

Oblique light incidence and reflective surfaces enable accurate detection of banknotes with transparent windows, preventing miscounting errors.

Spectral analysis detects subtle Delta E differences between black inks on a banknote, preventing digital copying that exploits traditional metameric features.

A processor reprints images on new sheets when wireless tags break during fixation.

A scanner with uniform responsivity measures luminescence intensity profiles over an extended detection zone to determine decay times.

Detects inherent material microstructures with optical techniques to create low-complexity authentication keys, reducing system cost and memory requirements.

Selective light exposure activates photochromic layers to reveal fluorescent colors, bypassing complex digital printing while maintaining high security.

Black calibration part sets lowest brightness reference before each bill insertion to maintain sensor accuracy.

Segmented light barriers with deformable intermediaries detect adhesive tapes on documents, preventing financial losses from fraudulent banknotes.

A bill collection apparatus reads serial numbers from paper sheets held in a holder unit and transmits them to a management server.

A banknote validator uses color sensors to measure luminescence under UV light for denomination identification.

Polarizing filters reduce reflected light impact to detect latent authentication information in holograms, resolving detection difficulties.

A security element uses adjacent magnetic areas to generate constructive interference for reliable signal detection.

Random taggant distributions resolve the contradiction between covert authentication reliability and unique pattern generation.

A value document transport system uses a sensor and diverter to route notes for printing by a single print head.

A banknote processing apparatus segments measurement data into separate structures for distinct processing types to guide user feeding and storage.

Classification system analyzes pixel intensity and contrast to detect color fading on banknotes without requiring multiple reference documents.

A same-side optical identification apparatus captures diffracted light images while guiding position adjustments for accurate target matching.

A single line sensor captures transmitted light and phosphorescence to generate decay rate patterns for paper-sheet authentication.

Transparent ink layer encodes machine-readable data within a printed article substrate, enabling general-purpose device decoding while resisting counterfeiting.

A laser processing system forms nanometer-scale anti-counterfeiting patterns using diffractive optical elements.

Embedded color density codes authenticate documents locally without central databases, bypassing encryption key vulnerabilities.

Dual regions with non-parallel tilt axes create dynamic contrast shifts that resist photocopying while maintaining high visual impact.

Recognition unit identifies money authenticity and issuing bank to select appropriate report formats from stored correspondence data.

An opaque functional layer blocks top-side emission, enabling reliable authentication of valuable documents by detecting luminescence only from the underside.

A distance authentication template maps spatial coordinates to pixel coordinates for image processing.

Open upper unit bottom channels debris to a partition member, preventing accumulation that causes misrecognition and mechanical failures.

Imaging system captures suspect currency bill data and populates reports with serial number snippet images when full extraction fails.

Overlapping fluorescent prints reveal hidden information under alternating wavelength illumination, countering counterfeiting risks from standard UV lamps.

Infrared imaging and binary difference calculations detect stains on banknotes regardless of orientation or color, resolving detection reliability issues.

A banknote handling apparatus recognizes identification marks to sort notes by issuing country.

A security element combines phosphorescent pigments with fluorescent dyes to create unique optical signatures.

Alternating strong and weak light pulses expand measurement dynamic range, resolving detector saturation during high-speed banknote processing.

A currency authentication method combines a physical watermark serial number with a content serial number to create a unique digital signature.

A mobile identity verification method compares captured user images with document and chip data to establish secure device associations.

Metal particle mixtures generate unique X-ray signatures that prevent forgery of authentication watermarks.

A paper sheet recognition apparatus acquires optical spectra from partial areas using a controlled light source unit and sensor.