Patent · US Expired

Camera system for editing documents

US6891180B2 · kind B2 · utility

10Cited by

10References

12Claims

0Family size

Assignee

GIESECKE & DEVRIENT GMBH · DE

Inventors

Norbert Holl · Germering, DE
Florian Holzner · Weßling, DE
Johann B. Schiessl · Lauf an der Pegnitz, DE
Bernd Wunderer · Birkenfeld, DE

Key dates

Filing date	Jan 2, 2001
Grant date	May 10, 2005
Priority date	—
Expiry date	Sep 19, 2021

Classification

Technology area (CPC H)Electricity
CPC primaryH04N1/12
WIPO fieldAudio-visual technology
WIPO sectorElectrical engineering

Abstract

A camera system (2) for strip-shaped exposure of a bank note (BN) having good optical properties as well as a compact construction has, symmetrically to an optical axis (OA), mirror assemblies (4a, 4b) of elliptical cross section each extending in the direction of the illuminated strip, light sources formed by LED arrays (6a, 6b), an imaging optic in the form of a SELFOC® lens assembly (8), and a photodetector array (12) onto which the illuminated strip of the bank note (BN) is imaged by the SELFOC® lens assembly (8) in a 1:1 ratio.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.