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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  • Summary
  • 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

Method used

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  • Multi-viewpoint image recording medium and authenticity judgment method
  • 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): G03H1/18G06Q30/02
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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