AT272233T

Device for evaluating authenticity features that have a diffraction structure

Abstract

The invention relates to a mounting on document with a structure device of authentic mark, the file on the checker's detecting surface and is shone of a light source, that light source the light to occur of the authentic mark for detecting the; and surface of the device for measuring device is. Is a temporally is a pattern and position of nothing as, suggested of a projection is of the pattern for detecting file presence to the focus plane of. A pattern of the projection by a matrix (or line scanning) camera detection and authentication.

Term

No projected expiry on record.

  1. Priority
  2. Filed
  3. Granted
  4. Today

22 members in 13 offices

This recordMember, by publication datePriority claim3 more offices are in the list below

Priority claims2

Priority claims
DocumentOfficeKindDate
10028239GermanyA
0105989European Patent Office (EPO)W

Members22

Family members, oldest first
DocumentOfficeKind
DE10028239A1GermanyA1
WO0195248A1World Intellectual Property Organization (WIPO)A1
CA2411687A1CanadaA1
EP1290629A1European Patent Office (EPO)A1
CN1427981AChinaA
HU0300702A2HungaryA2
HUP0300702A2HungaryA2
US2003174308A1United States of AmericaA1
US6750465B2United States of AmericaB2
EP1290629B1European Patent Office (EPO)B1
AT272233TThis recordAustriaT
ATE272233T1AustriaT1
PL359019A1PolandA1
DE50103021D1GermanyD1
TR200402066T4TürkiyeT4
PT1290629EPortugalE
SI1290629T1SloveniaT1
ES2225591T3SpainT3
CN1201263CChinaC
HU225352B1HungaryB1
CA2411687CCanadaC
PL198952B1PolandB1