Paper-Money Testing Devices TRIZ Cases

Camera imaging of natural substrate fibers generates unique identifiers, eliminating expensive microscopy equipment while preventing counterfeiting.

A verification device measures polarized light intensity reflected from security elements to identify optically variable substances.

Controller times light emission and signal acquisition to mitigate output saturation and phosphorescence afterglow, improving scanning accuracy.

A storage unit buffers detection values from intermittently energized sensors, resolving timing conflicts between stabilization periods and read windows.

Dual-coercivity magnetic areas on a substrate prevent transfer counterfeiting by requiring specific sensor detection of distinct magnetic signatures.

Replacing mechanical rollers with an optical field holds documents against the sensor, reducing device volume while maintaining imaging precision.

A compact assistive reading device uses a pinhole aperture optical system to capture currency images without complex lenses.

A dedicated neural network detects identity document forgery by analyzing geometrical objects revealed through digital image filtering of visual security elements.

Circularly symmetric security patterns embed into halftone images to enable reliable authentication on low-capability devices despite partial surfaces.

Circular arc halftone grids generate unique moiré images when overlaid with test patterns, resolving forgery resistance without adding printing complexity.

A paper sheet processing apparatus uses spaced contact members to allow smooth insertion before moving to hold and convey the sheet.

A reflective circular polarizer substrate supports distinct resin and metal pigment layers to produce unique optical reflections.

A segmented detection system corrects ultraviolet LED intensity deterioration by monitoring reflected light through a dedicated sensor part.

A bill processing apparatus adjusts conveyance speed using a stepping motor to ensure accurate reading and reliable feeding.

A prism and lens system refracts light from optically variable markings to capture simultaneous color and polarization patterns.

Replacing diffraction holograms with micro-mirror mosaics maintains optical variable effect visibility under adverse illumination conditions.

A checking apparatus detects red luminescence from bank notes excited by restricted wavelength radiation to verify authenticity.

Segmented LED sources and reflective shells maintain constant irradiance levels regardless of document position.

Forward scattered Raman radiation collects bulk material properties from pharmaceutical tablets.

Smart Anti-counterfeiting Optical System analyzes phosphorescence emission lifetime to authenticate documents instantly.

Asymmetric electrode shapes and floating guard electrodes stabilize the electric field, resolving output variations caused by three-dimensional structures.

Segmenting security data into wavelength-specific fluorescent layers prevents simultaneous cryptanalysis while maintaining single-medium simplicity.

A smartphone-based verification system captures diffractive optical variable identification device images under varying observation conditions.