Title:
セキュリティデバイス
Document Type and Number:
Japanese Patent JP2013509312
Kind Code:
A
Abstract:
A lenticular device includes an array of lenticular focusing elements located over a corresponding array of pairs of image strips such that, in a first viewing direction, a first image strip from each pair is viewed by respective ones of the lenticular focusing elements and, in a second viewing direction, different from the first, a second image strip from each pair is viewed by respective ones of the lenticular focusing elements, One of each pair of image strips has portions defining a first image in a first color and a second image in a second color respectively, and the other of each pair of image strips has portions defining the first image in the second color and the second image in the first color respectively, whereby on tilting the device, a color switch is observed between the first and second images.
Inventors:
Brian william homes
Lawrence George Commander
Lawrence George Commander
Application Number:
JP2012535917A
Publication Date:
March 14, 2013
Filing Date:
October 27, 2010
Export Citation:
Assignee:
De La Ryu International Limited
International Classes:
B42D15/10; G02B3/00; G02B3/06; G02B30/27; G03H1/18; G09F19/12
Domestic Patent References:
| JP2008049648A | 2008-03-06 | |||
| JP2002365746A | 2002-12-18 | |||
| JP3120531U | 2006-04-06 | |||
| JP2009536885A | 2009-10-22 | |||
| JP2002019255A | 2002-01-23 | |||
| JPH08503899A | 1996-04-30 |
Foreign References:
| US4417784A | 1983-11-29 |
Attorney, Agent or Firm:
Atsushi Aoki
Jun Tsuruta
Tomohiro Minamiyama
Koichi Itsubo
Ryoichi Hagiwara
Ryu Kobayashi
Jun Tsuruta
Tomohiro Minamiyama
Koichi Itsubo
Ryoichi Hagiwara
Ryu Kobayashi