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Patent Searching and Data


Title:
CAMERA FILTER
Document Type and Number:
WIPO Patent Application WO/2019/044933
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide a camera filter which can be easily mounted, without misalignment, to the camera of a portable information terminal such as a smartphone or a tablet, does not interfere with the display, makes it possible to easily change the image that appears, and achieves lower costs. In a camera filter according to the present embodiment, a first opening section 16 is opened in a holding plate 3 constituting a clip 2 for attachment to and detachment from a portable information terminal 6 to which the camera is equipped. A first transmissive hologram sheet 8 is disposed in the first opening section 16, and a fringe pattern is formed on the surface of the first transmissive hologram sheet 8 such that a first image 12 appears when a point light source is viewed through the sheet. A second opening section 17 is opened in a holding plate 5. A second transmissive hologram sheet 9 is disposed in the second opening section 17, and a fringe pattern is formed on the surface of the second transmissive hologram sheet 9 such that a second image appears when a point light source is viewed through the sheet.

Inventors:
ITO Toshihiko (3-4-3 Morishita, Koto-k, Tokyo 04, 〒1350004, JP)
Application Number:
JP2018/032033
Publication Date:
March 07, 2019
Filing Date:
August 29, 2018
Export Citation:
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Assignee:
CHOEI CO., LTD. (3-4-3 Morishita, Koto-ku Tokyo, 04, 〒1350004, JP)
International Classes:
G03B11/00; G03B17/56; G03H1/02; H04N5/225
Foreign References:
JPH11231764A1999-08-27
JP2004246356A2004-09-02
JPH05345491A1993-12-27
US20150365573A12015-12-17
Attorney, Agent or Firm:
SEVEN COLOR PATENT FIRM (5F RACINE KANDA Bldg. 1-26Kanda-Sudacho, Chiyoda-ku Tokyo, 41, 〒1010041, JP)
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