Title:
カメラ用フィルタ
Document Type and Number:
Japanese Patent JP6502442
Kind Code:
B2
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:
Toshihiko Ito
Application Number:
JP2017168557A
Publication Date:
April 17, 2019
Filing Date:
September 01, 2017
Export Citation:
Assignee:
Choei Co., Ltd.
International Classes:
G03B11/00; G03B17/56; G03H1/02; H04N5/225
Domestic Patent References:
| JP11231764A | ||||
| JP2004246356A | ||||
| JP5345491A |
Foreign References:
| US20150365573 |
Attorney, Agent or Firm:
Nijiiro Patent Office, a patent business corporation