AU2291699A - Hidden images - Google Patents

Hidden images

Info

Publication number
AU2291699A
AU2291699A AU22916/99A AU2291699A AU2291699A AU 2291699 A AU2291699 A AU 2291699A AU 22916/99 A AU22916/99 A AU 22916/99A AU 2291699 A AU2291699 A AU 2291699A AU 2291699 A AU2291699 A AU 2291699A
Authority
AU
Australia
Prior art keywords
hidden images
hidden
images
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.)
Abandoned
Application number
AU22916/99A
Inventor
David Browne
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.)
Individual
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 GBGB9801959.9A external-priority patent/GB9801959D0/en
Priority claimed from GBGB9817409.7A external-priority patent/GB9817409D0/en
Application filed by Individual filed Critical Individual
Publication of AU2291699A publication Critical patent/AU2291699A/en
Abandoned legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/04—Signs, boards or panels, illuminated from behind the insignia
    • G09F13/12—Signs, boards or panels, illuminated from behind the insignia using a transparent mirror or other light reflecting surface transparent to transmitted light whereby a sign, symbol, picture or other is visible only when illuminated
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44F—SPECIAL DESIGNS OR PICTURES
    • B44F1/00—Designs or pictures characterised by special or unusual light effects
    • B44F1/06—Designs or pictures characterised by special or unusual light effects produced by transmitted light, e.g. transparencies, imitations of glass paintings
    • B44F1/066—Designs or pictures characterised by special or unusual light effects produced by transmitted light, e.g. transparencies, imitations of glass paintings comprising at least two transparent elements, e.g. sheets, layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44F—SPECIAL DESIGNS OR PICTURES
    • B44F1/00—Designs or pictures characterised by special or unusual light effects
    • B44F1/08—Designs or pictures characterised by special or unusual light effects characterised by colour effects
    • B44F1/10—Changing, amusing, or secret pictures

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Image-Pickup Tubes, Image-Amplification Tubes, And Storage Tubes (AREA)
  • Endoscopes (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
AU22916/99A 1998-01-29 1999-01-29 Hidden images Abandoned AU2291699A (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
GBGB9801959.9A GB9801959D0 (en) 1998-01-29 1998-01-29 Hidden images
GB9801959 1998-01-29
GBGB9817409.7A GB9817409D0 (en) 1998-08-10 1998-08-10 Hidden images
GB9817409 1998-08-10
PCT/GB1999/000315 WO1999039322A2 (en) 1998-01-29 1999-01-29 Hidden images

Publications (1)

Publication Number Publication Date
AU2291699A true AU2291699A (en) 1999-08-16

Family

ID=26313036

Family Applications (1)

Application Number Title Priority Date Filing Date
AU22916/99A Abandoned AU2291699A (en) 1998-01-29 1999-01-29 Hidden images

Country Status (2)

Country Link
AU (1) AU2291699A (en)
WO (1) WO1999039322A2 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9826588D0 (en) * 1998-12-04 1999-01-27 Billam John Luminescent material and articles
US6468677B1 (en) * 2000-08-01 2002-10-22 Premark Rwp Holdings Inc. Electroluminescent high pressure laminate
DE10042275A1 (en) * 2000-08-29 2002-03-14 Willing Gmbh Dr Ing Filter coating for changing color of light reflected by long-persistence phosphorescent material has degree of spectral transmission with high transmissivity in radiated wavelength region
RU2344054C2 (en) 2003-07-07 2009-01-20 Коммонвелс Сайнтифик Энд Индастриал Рисеч Организейшен Method of coding latent image
US10192290B2 (en) 2012-07-23 2019-01-29 Sheri Engler Interface for revealing latent figures within images
GB201520891D0 (en) * 2015-11-26 2016-01-13 Saf T Glo Ltd Photoluminescent markers

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR512354A (en) * 1914-01-21 1921-01-21 Heinrich Tschelnitz Improvements to means for making objects, such as signs, coated with phosphorescent materials phosphorescent
GB2147542A (en) * 1983-10-05 1985-05-15 Fade In Products Printed articles
FR2563776A1 (en) * 1984-05-02 1985-11-08 Jacob Jacobi Combination of a picture visible in both light and darkness and a picture visible only in darkness
US5084309A (en) * 1990-03-14 1992-01-28 Timothy J. Martin Product presenting different artistic images in the presence and absence of ambient light and fabrication method therefor
US5654552A (en) * 1995-02-22 1997-08-05 Toombs; Virginia L. Glow-in-the-dark lamp shade

Also Published As

Publication number Publication date
WO1999039322A2 (en) 1999-08-05
WO1999039322A3 (en) 1999-09-30

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase