CA2193699A1 - Structure a effet de diffraction optique - Google Patents

Structure a effet de diffraction optique

Info

Publication number
CA2193699A1
CA2193699A1 CA002193699A CA2193699A CA2193699A1 CA 2193699 A1 CA2193699 A1 CA 2193699A1 CA 002193699 A CA002193699 A CA 002193699A CA 2193699 A CA2193699 A CA 2193699A CA 2193699 A1 CA2193699 A1 CA 2193699A1
Authority
CA
Canada
Prior art keywords
optical
diffraction effect
structure arrangement
portions
documents
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002193699A
Other languages
English (en)
Other versions
CA2193699C (fr
Inventor
Werner Reinhart
Jurgen Herrmann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Leonhard Kurz Stiftung and Co KG
Deutsche Bundesbank
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE4423295A external-priority patent/DE4423295C2/de
Application filed by Individual filed Critical Individual
Publication of CA2193699A1 publication Critical patent/CA2193699A1/fr
Application granted granted Critical
Publication of CA2193699C publication Critical patent/CA2193699C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Diffracting Gratings Or Hologram Optical Elements (AREA)
  • Credit Cards Or The Like (AREA)
  • Holo Graphy (AREA)
CA002193699A 1994-07-02 1995-06-22 Structure a effet de diffraction optique Expired - Fee Related CA2193699C (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DEP4423295.0 1994-07-02
DE4423295A DE4423295C2 (de) 1994-07-02 1994-07-02 Beugungsoptisch wirksame Strukturanordnung
PCT/DE1995/000828 WO1996001458A1 (fr) 1994-07-02 1995-06-22 Structure a effet de diffraction optique

Publications (2)

Publication Number Publication Date
CA2193699A1 true CA2193699A1 (fr) 1996-01-18
CA2193699C CA2193699C (fr) 2006-03-14

Family

ID=36095710

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002193699A Expired - Fee Related CA2193699C (fr) 1994-07-02 1995-06-22 Structure a effet de diffraction optique

Country Status (1)

Country Link
CA (1) CA2193699C (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7701574B2 (en) 2000-11-30 2010-04-20 Tomra Systems Asa Optically controlled detection device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7701574B2 (en) 2000-11-30 2010-04-20 Tomra Systems Asa Optically controlled detection device

Also Published As

Publication number Publication date
CA2193699C (fr) 2006-03-14

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed

Effective date: 20150622