Patent · US Expired

Device for checking banknotes

US7414710B2 · kind B2 · utility

3Cited by

6References

10Claims

0Family size

Assignee

GIESECKE & DEVRIENT GMBH · DE

Inventors

Bernd Wunderer · Birkenfeld, DE
Norbert Holl · Germering, DE

Key dates

Filing date	May 21, 2004
Grant date	Aug 19, 2008
Priority date	—
Expiry date	May 21, 2024

Classification

Technology area (CPC G)Physics
CPC primaryG07D7/121
WIPO fieldControl
WIPO sectorInstruments

Abstract

The invention relates to an apparatus for checking bank notes, having a linear sensor and a linear light source wherein the bank notes are moved past between the sensor and the light source for the check, and the sensor detects light from the light source transmitted by the bank notes.The invention starts out from the consideration of equipping the linear sensor and the linear light source each with an aperture such that the aperture of the light source is equal to or smaller than the aperture of the sensor.

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