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Multi-viewpoint image recording medium and authenticity judgment method

A multi-viewpoint image and recording medium technology, applied in the direction of hologram optical elements, hologram form/shape, hologram object characteristics, etc., to achieve the effect of improving the authenticity judgment function and anti-counterfeiting characteristics

Inactive Publication Date: 2012-03-28
SONY CORP +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0009] However, if the existence of such hidden characters or misspellings is recognized in the recorded content of the hologram, it is also possible to reproduce it in the form of an embossed hologram or the like using the method used to generate the hologram actually photographed. The hologram's

Method used

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  • Multi-viewpoint image recording medium and authenticity judgment method
  • Multi-viewpoint image recording medium and authenticity judgment method

Examples

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no. 1 example

[0039] Multi-view image recording medium

[0040] Example of secondary image changing with changing viewing direction

[0041] 2. The second embodiment

[0042] Examples associated with what is to be logged

no. 3 example

[0044] Adding secondary images to faceted masters

no. 4 example

[0046] 5. Variations

[0047] The embodiments described below are preferable specific examples of the multi-viewpoint image recording medium and the authenticity determination method. In the following description, technically preferable various limitations are given. However, an example of a multi-viewpoint image recording medium and an example of an authenticity determination method are not limited to the following embodiments unless it is specifically stated that the present invention is limited.

[0048] 0. Volume Hologram

[0049] Before describing the respective embodiments, a description will be given of a volume hologram in which recorded information changes depending on the viewing direction and a method of making the volume hologram.

[0050] Examples of the production method of the volume hologram include: a production process of an actually photographed hologram obtained by irradiating an object to be irradiated with laser light; and a production process of a holo...

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Abstract

A multi-viewpoint image recording medium includes at least one main image recorded on the multi-viewpoint image recording medium and a plurality of sub-images, each having a display area smaller than a display area of the main image, recorded on the multi-viewpoint image recording medium. The main image and the plurality of sub-images are simultaneously displayed when the main image and the plurality of sub-images are reproduced. At least one of the plurality of sub-images changes in accordance with movement of a viewpoint.

Description

[0001] Cross References to Related Applications [0002] This application contains subject matter related to the disclosure of Japanese Priority Patent Application JP 2010-156102 filed in Japan Patent Office on Jul. 8, 2010, the entire content of which is hereby incorporated by reference herein middle. technical field [0003] The invention relates to a multi-viewpoint image recording medium and a method for judging authenticity. More specifically, the present invention relates to a multi-viewpoint image recording medium in which reproduced image information varies depending on the viewing direction; Measure to judge. Background technique [0004] In recent years, the proliferation of pirated goods in the market has become a serious problem. The flow of pirated goods into the market will cause great damage to the company, such as a direct decline in sales and a reduction in reputation. Therefore, it is desirable to provide a method for ensuring that commodities circulati...

Claims

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Application Information

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IPC IPC(8): G03H1/18G06Q30/02G07D7/12G07D7/128
CPCG03H1/0011G03H2223/19G03H2210/52G03H2210/62G03H1/265G03H2001/0016G03H1/0248G03H2001/221G03H2001/2223G03H1/22G03H2230/10G03H2001/0421G03H2210/55G03H1/26G03H1/18
Inventor 白仓明松原贵志
Owner SONY CORP
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