AU1700795A - Diffractive device with enhanced anti-copying protection - Google Patents
Diffractive device with enhanced anti-copying protectionInfo
- Publication number
- AU1700795A AU1700795A AU17007/95A AU1700795A AU1700795A AU 1700795 A AU1700795 A AU 1700795A AU 17007/95 A AU17007/95 A AU 17007/95A AU 1700795 A AU1700795 A AU 1700795A AU 1700795 A AU1700795 A AU 1700795A
- Authority
- AU
- Australia
- Prior art keywords
- enhanced anti
- diffractive device
- copying protection
- copying
- protection
- 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
Links
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU17007/95A AU679333B2 (en) | 1994-02-14 | 1995-02-13 | Diffractive device with enhanced anti-copying protection |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AUPM3829 | 1994-02-14 | ||
AUPM3829A AUPM382994A0 (en) | 1994-02-14 | 1994-02-14 | Diffractive device with enhanced anti-copying protection |
PCT/AU1995/000062 WO1995021747A1 (en) | 1994-02-14 | 1995-02-13 | Diffractive device with enhanced anti-copying protection |
AU17007/95A AU679333B2 (en) | 1994-02-14 | 1995-02-13 | Diffractive device with enhanced anti-copying protection |
Publications (2)
Publication Number | Publication Date |
---|---|
AU1700795A true AU1700795A (en) | 1995-08-29 |
AU679333B2 AU679333B2 (en) | 1997-06-26 |
Family
ID=25616689
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU17007/95A Ceased AU679333B2 (en) | 1994-02-14 | 1995-02-13 | Diffractive device with enhanced anti-copying protection |
Country Status (1)
Country | Link |
---|---|
AU (1) | AU679333B2 (en) |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3442794A1 (en) * | 1983-11-24 | 1985-08-01 | Karl 8058 Erding Rubenberger | Process for producing forgery-proof symbols with holographically coded information |
EP0449893B1 (en) * | 1988-12-19 | 1996-01-17 | Reserve Bank Of Australia | Diffraction grating |
WO1995002200A1 (en) * | 1993-07-09 | 1995-01-19 | Commonwealth Scientific And Industrial Research Organisation | Multiple image diffractive device |
-
1995
- 1995-02-13 AU AU17007/95A patent/AU679333B2/en not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
AU679333B2 (en) | 1997-06-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MK14 | Patent ceased section 143(a) (annual fees not paid) or expired |