Data protector, data protection seal, and drawing device
AssigneeSony Group Corporation
InventorTakehisa ISHIDA
Life of this patent
Estimating the term…
Abstract
A data protector according to an embodiment of the present disclosure includes: a data layer configured to record confidential information as a visible image; and one or a plurality of cover layers disposed at least one of above or below the data layer and configured to transition between a color-developed state and a decolored state in a visible wavelength region.
Claims20
A data protector comprising:
- a data layer configured to record confidential information as a visible image;
- and
- one or a plurality of cover layers disposed at least one of above or below the data layer and configured to transition between a color-developed state and a decolored state in a visible wavelength region.
A data protector comprising:
- a data layer on which confidential information is recorded as a visible image;
- and
- one or a plurality of cover layers disposed at least one of above or below the data layer and configured to transition between a color-developed state and a decolored state in a visible wavelength region.
A data protection seal that protects a data layer configured to record confidential information as a visible image, the data protection seal comprising:
- one or a plurality of cover layers configured to transition between a color-developed state and a decolored state in a visible wavelength region;
- and
- an adhesive layer provided at a position opposed to the one or the plurality of cover layers.
A data protection seal that protects a data layer on which confidential information is recorded as a visible image, the data protection seal comprising:
- one or a plurality of cover layers configured to transition between a color-developed state and a decolored state in a visible wavelength region;
- and
- an adhesive layer provided at a position opposed to the one or the plurality of cover layers.
A drawing device that performs at least one of writing or erasing on a data layer and one or a plurality of cover layers of a data protector, the data protector including the data layer on which confidential information is to be recorded as a visible image and the one or the plurality of cover layers, the data layer including a first reversible material configured to transition between a color-developed state and a decolored state in a visible wavelength region, the one or the plurality of cover layers including a second reversible material configured to transition between the color-developed state and the decolored state in the visible wavelength region and being disposed at least one of above or below the data layer, the drawing device comprising:
- a light source section that emits laser light beams, the laser light beams being at least one of a first laser light beam or a second laser light beam, the first laser light beam having a condition in which a reaction of color development and decoloring of the first reversible material does not occur and in which a reaction of any one of color development and decoloring of the second reversible material occurs, the second laser light beam having a condition in which a reaction of color development and decoloring of the second reversible material does not occur and in which a reaction of any one of color development and decoloring of the first reversible material occurs;
- and
- an optical section that performs at least one of writing or erasing on the data layer or the one or the plurality of cover layers by applying the laser light beams emitted from the light source section on the data layer or the one or the plurality of cover layers.
Dependencies are inferred from the claim text.