Patent · US Expired

Apparatus for automatically cancelling bank notes

US4906827A · kind A · utility

1Cited by
1References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 4, 1988
Grant dateMar 6, 1990
Priority date
Expiry dateNov 4, 2008

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG07D11/50
  • WIPO fieldControl
  • WIPO sectorInstruments

Abstract

An apparatus for automatically cancelling bank notes comprises an ink jet printer which provides cancellation markings on bank notes in contactless fashion. A marking sensor which checks the presence of the markings is protected, along with the ink jet printer, against unauthorized access.

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