Patent US6095566A successfully refreshed from Google Patents.
US6095566A
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Image recorded product, image recording system, image reproducing system, and recording medium for use to superimpose-record/reproduce additional information
Assignee: Toshiba Corp
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Filing: 1997-03-13
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Granted: 2000-08-01
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Expires: 2017-03-13
Abstract
Abstract An image recording system superimposes, on an original image, an additional image which is same as at least any one of visible characters, symbols and numerals recorded on a recorded product and records the superimposed image on the recorded product as an image for certification. The additional image superimpose-recorded on the recorded product cannot visually be recognized and it is permitted to be visible when a universal optical filter is used.
Inventors
- 👤 Naofumi Yamamoto
- 👤 Hidekazu Sekizawa
- 👤 Haruko Kawakami
- 👤 Kazuhiko Higuchi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 10:48
CPC Classifications
B; B42; B42D; B42D25/00; B42D25/20; B42D25/23; B42D25/30; B42D25/309; Y; Y10; Y10S; Y10S428/00; Y10S428/913; Y10S428/914; Y10T; Y10T428/00; Y10T428/24; Y10T428/24802
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
112 words
A personal identification product on which at least identification information for identifying a person is printed, said identification information comprising: visible identification image information which is composed of at least one of code data and image data for identifying a person; additional image information which is obtained by subjecting at least one of said code data and said image data to color-difference modulation; and printing image data obtained by adding a modulated signal representative of said additional image information to at least part of a printing color signal representative of said visible identification image information, wherein the obtained printing image data is printed as said identification information on said personal identification product.
Claim 2
Dependent Claim
112 words
A personal identification product on which at least identification information for identifying a person is printed, said identification information comprising: visible identification image information which is composed of at least one of code data and image data for identifying a person; additional image information which is obtained by subjecting at least one of said code data and said image data to color-difference modulation; and printing image data obtained by adding a modulated signal representative of said additional image information to at least part of a printing color signal representative of said visible identification image information, wherein the obtained printing image data is printed as said identification information on said personal identification product.
Claim 3
Dependent Claim
38 words
The product according to claim 1, wherein the at least part of the printing color signal of said visible identification image information is provided by a transformation using predetermined encoded data based on said code data in advance.
Claim 4
Dependent Claim
24 words
The product according to claim 1, wherein said additional image information results from distribution of the ink densities based on an error diffusion method.
Claim 5
Dependent Claim
17 words
The product according to claim 1, wherein said additional image information has a color difference lattice pattern.
References Cited (Backward Citations)
US5344808A
Cited
US5489567A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2003-08-01 | 2004-01-31 | 2004-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2007-08-01 | 2008-01-31 | 2008-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2011-08-01 | 2012-01-31 | 2012-08-01 | $7700.00 | Window Closed / Lapsed |