EP1662460A3 - Device for providing an optical display of a time limit and method for producing such device - Google Patents
Device for providing an optical display of a time limit and method for producing such device Download PDFInfo
- Publication number
- EP1662460A3 EP1662460A3 EP05025321A EP05025321A EP1662460A3 EP 1662460 A3 EP1662460 A3 EP 1662460A3 EP 05025321 A EP05025321 A EP 05025321A EP 05025321 A EP05025321 A EP 05025321A EP 1662460 A3 EP1662460 A3 EP 1662460A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- producing
- providing
- time limit
- optical display
- end date
- 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.)
- Withdrawn
Links
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
- G09F3/02—Forms or constructions
- G09F3/0291—Labels or tickets undergoing a change under particular conditions, e.g. heat, radiation, passage of time
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
- G09F3/02—Forms or constructions
- G09F2003/0283—Forms or constructions food-compatible or edible
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
- Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
- Measurement Of Unknown Time Intervals (AREA)
Abstract
Die Erfindung betrifft eine optische Anzeige eines zeitlichen Endpunktes.The invention relates to a visual display of a temporal endpoint.
In zahlreichen Bereichen ist es notwendig, ein Enddatum anzugeigen, beispielsweise um die Haltbarkeit von Lebensmitteln bzw. deren Ablauf anzuzeigen.In many areas it is necessary to enter an end date, for example to indicate the shelf life of food or its expiry.
Erfindungsgemäß wird für die Anzeige des Enddatums bzw. für die Anzeige des Fortschreitens des Zeitpunktes innerhalb des definierten Zeitraumes ein Haltbarkeitszeichen (1) verwendet, auf welchem ein Farbstoff auf einem Trägermaterial (4) wandert. Durch die Wanderung des Farbstoffes (3) wird das Fortschreiten der Zeit und damit das Herannahen des Enddatums angezeigt. According to the invention, a durability mark (1) on which a dye migrates on a carrier material (4) is used for the display of the end date or for the indication of the progression of the time within the defined period. The migration of the dye (3) indicates the progression of time and thus the approach of the end date.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200410057285 DE102004057285A1 (en) | 2004-11-26 | 2004-11-26 | Optical display of a temporal endpoint |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1662460A2 EP1662460A2 (en) | 2006-05-31 |
EP1662460A3 true EP1662460A3 (en) | 2006-11-02 |
Family
ID=36061386
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05025321A Withdrawn EP1662460A3 (en) | 2004-11-26 | 2005-11-21 | Device for providing an optical display of a time limit and method for producing such device |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1662460A3 (en) |
DE (1) | DE102004057285A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102012110571A1 (en) * | 2012-11-05 | 2014-05-08 | Christian Lenz | Device for detecting e.g. time period of food product, has identification unit comprising marking element such that consumer or supplier immediately recognizes that product is no longer need to be supplied |
CN109767688B (en) * | 2019-03-06 | 2021-11-02 | 武汉工程大学 | Color indicating label for monitoring food oxidation degree and preparation method thereof |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0815251A (en) * | 1994-07-01 | 1996-01-19 | Advance Co Ltd | Food freshness condition displaying body |
US5555223A (en) * | 1992-02-20 | 1996-09-10 | Barainsky; Markus | Consumer item |
JPH11248550A (en) * | 1998-02-26 | 1999-09-17 | Toshiba Tec Corp | Temperature management member |
DE10021313A1 (en) * | 2000-05-02 | 2001-11-08 | Ludwig Hoegl | Food packaging, has a shelf-life indicator in form of one or more fixed or removable color indicators |
-
2004
- 2004-11-26 DE DE200410057285 patent/DE102004057285A1/en not_active Withdrawn
-
2005
- 2005-11-21 EP EP05025321A patent/EP1662460A3/en not_active Withdrawn
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5555223A (en) * | 1992-02-20 | 1996-09-10 | Barainsky; Markus | Consumer item |
JPH0815251A (en) * | 1994-07-01 | 1996-01-19 | Advance Co Ltd | Food freshness condition displaying body |
JPH11248550A (en) * | 1998-02-26 | 1999-09-17 | Toshiba Tec Corp | Temperature management member |
DE10021313A1 (en) * | 2000-05-02 | 2001-11-08 | Ludwig Hoegl | Food packaging, has a shelf-life indicator in form of one or more fixed or removable color indicators |
Non-Patent Citations (2)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 1996, no. 05 31 May 1996 (1996-05-31) * |
PATENT ABSTRACTS OF JAPAN vol. 1999, no. 14 22 December 1999 (1999-12-22) * |
Also Published As
Publication number | Publication date |
---|---|
DE102004057285A1 (en) | 2006-06-08 |
EP1662460A2 (en) | 2006-05-31 |
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Legal Events
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
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PUAL | Search report despatched |
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17P | Request for examination filed |
Effective date: 20070502 |
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AKX | Designation fees paid |
Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR |
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17Q | First examination report despatched |
Effective date: 20070618 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20081007 |