Inventor

VALA JOHN

US26 patents

⚠️ This page may combine multiple inventors who share the name “VALA JOHN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

VALA JOHN

UNISYS CORP

Electronic image lift

Document processing with infra-red extraction

Check imaging illumination with focus/defocus and fibre optic light guide means

Extraction and trapping of IR

Apparatus for extraction of IR from illumination for check processor

Image scanning apparatus adapted for thermally and optically isolating imaging components

Packaging of components for image lift

Document-imaging illumination with fibre-optic intensity-adjust

Illumination for imaging

Filtering illumination for image lift

Method for imaging of documents

Automatic imaging of documents

Imaging of documents

Methods for document illumination

Document imaging system with human-eye response photoptic filter means

Integrated document imaging assembly

Techniques for trapping beams of infra-red energy

Integrated multi-beam imaging assembly

Infra-red extraction from illumination source

Integrated imaging assembly

Document-imaging illumination arrangements with intensity with adjustment

Filtering illumination for image lift

Filtering illumination for image lift

Randomizing optical converter for illumination beam and method utilizing same

Adjusting illumination for image lift

ENERGY CONVERSION DEVICES INC

Method and apparatus for controlling thickness of a layer of an optical data storage device by measuring an optical property of the layer