Inventor

HERSCH ROGER D

CH32 patents

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

HERSCH ROGER D

ECOLE POLYTECH

Model-based synthesis of band moire images for authenticating security documents and valuable products

Methods and apparatus for authentication of documents by using the intensity profile of moire patterns

Authentication of documents and valuable articles by using moire intensity profiles

Method and apparatus for authentication of documents by using the intensity profile of moire patterns

Authentication of secure items by shape level lines

Method and apparatus for generating digital halftone images by multi color dithering

Method for producing visually evenly spaced typographic characters

Ink thickness variations for the control of color printers

Synthesis of superposition images for watches, valuable articles and publicity

Authentication with built-in encryption by using moire parallax effects between fixed correlated s-random layers

Model-based synthesis of band moire images for authentication purposes

Synthesis of authenticable luminescent color halftone images

Method and computing system for creating and displaying images with animated microstructures

HERSCH ROGER D

Authentication of documents and articles by moiré patterns

Printing color images visible under UV light on security documents and valuable articles

Color reproduction, pattern hiding and image alternations with halftone prints on metal

Synthesis of superposition shape images by light interacting with layers of lenslets

Color changing effects with cross-halftone prints on metal

Two-dimensional codes hidden as scattered line segments

Synthesis of curved surface moiré

ROSSIER ROMAIN

Authentication and tracking by hidden codes

Synthesis of authenticable color multi-halftone images

Juxtaposed clustered dispersed dot halftoning

ECOLE POLYTECHNIQUE LAUSANNE

Method and apparatus for a parallel data storage and processing server

Method for producing contrast-controlled grayscale characters

(unassigned)

Method and apparatus for generating halftone images by evolutionary screen dot contours

AXS TECHNOLOGIES INC

Method and apparatus for a parallel data storage and processing server

ANDRES JULIEN

Synthesis of authenticable halftone images with non-luminescent halftones illuminated by an adjustable luminescent emissive layer

WALGER THOMAS

Synthesis of moving and beating moiré shapes

PJANIC PETAR

Color changing effects with cross-halftone prints

BABAEI VAHID

Fabrication of moiré on curved surfaces

ARPA SAMI

2D-3D sculpture paintings