JP4556534B2 - 記録媒体及びホログラム読取装置 - Google Patents
記録媒体及びホログラム読取装置 Download PDFInfo
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- JP4556534B2 JP4556534B2 JP2004226062A JP2004226062A JP4556534B2 JP 4556534 B2 JP4556534 B2 JP 4556534B2 JP 2004226062 A JP2004226062 A JP 2004226062A JP 2004226062 A JP2004226062 A JP 2004226062A JP 4556534 B2 JP4556534 B2 JP 4556534B2
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- hologram
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- 238000000034 method Methods 0.000 claims description 17
- 230000001678 irradiating effect Effects 0.000 claims description 9
- 239000003550 marker Substances 0.000 claims description 8
- 238000005259 measurement Methods 0.000 claims description 7
- 230000006866 deterioration Effects 0.000 description 8
- 239000004973 liquid crystal related substance Substances 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 238000004364 calculation method Methods 0.000 description 2
- 210000000554 iris Anatomy 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000001012 protector Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000013213 extrapolation Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000005337 ground glass Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Images
Classifications
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
- G03H1/04—Processes or apparatus for producing holograms
- G03H1/10—Processes or apparatus for producing holograms using modulated reference beam
- G03H1/12—Spatial modulation, e.g. ghost imaging
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
- G03H1/02—Details of features involved during the holographic process; Replication of holograms without interference recording
- G03H1/024—Hologram nature or properties
- G03H1/0248—Volume holograms
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
- G03H1/0005—Adaptation of holography to specific applications
- G03H1/0011—Adaptation of holography to specific applications for security or authentication
- G03H2001/0016—Covert holograms or holobjects requiring additional knowledge to be perceived, e.g. holobject reconstructed only under IR illumination
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
- G03H1/26—Processes or apparatus specially adapted to produce multiple sub- holograms or to obtain images from them, e.g. multicolour technique
- G03H1/2645—Multiplexing processes, e.g. aperture, shift, or wavefront multiplexing
- G03H2001/2675—Phase code multiplexing, wherein the sub-holograms are multiplexed according to spatial modulation of the reference beam
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H2210/00—Object characteristics
- G03H2210/20—2D object
- G03H2210/22—2D SLM object wherein the object beam is formed of the light modulated by the SLM
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H2210/00—Object characteristics
- G03H2210/50—Nature of the object
- G03H2210/54—For individualisation of product
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/002—Recording, reproducing or erasing systems characterised by the shape or form of the carrier
- G11B7/0033—Recording, reproducing or erasing systems characterised by the shape or form of the carrier with cards or other card-like flat carriers, e.g. flat sheets of optical film
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
- G11B7/0065—Recording, reproducing or erasing by using optical interference patterns, e.g. holograms
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Holo Graphy (AREA)
- Credit Cards Or The Like (AREA)
Description
Claims (7)
- 記録媒体ごとに固有に定められた媒体識別子を保持する記憶部を備え、
前記媒体識別子を用いて変調された参照光を利用して生成されたホログラムをその表面に固定したことを特徴とする記録媒体。 - 請求項1に記載の記録媒体であって、
前記ホログラムは、その一部に、ノイズレベルを測定するためのマーカー部を含んで生成されていることを特徴とする記録媒体。 - 請求項1または2に記載の記録媒体から、前記媒体識別子を読み取る手段と、
当該記録媒体の表面に固定されたホログラムに対して、前記媒体識別子を利用して変調した参照光を照射し、ホログラムからの再生光を生成する手段と、
を含むことを特徴とするホログラム読取装置。 - 請求項2に記載の記録媒体から、前記媒体識別子を読み取る手段と、
当該記録媒体の表面に固定されたホログラムに対して、前記媒体識別子を利用して変調した参照光を照射し、ホログラムからの再生光を生成する手段と、
前記再生光に含まれる、前記マーカー部を参照してノイズレベルを測定し、当該測定結果を出力する手段と、
を含むことを特徴とするホログラム読取装置。 - 請求項4に記載のホログラム読取装置であって、
データベースに対してアクセス可能に接続され、
前記媒体識別子と、前記ノイズレベルの測定結果とを関連づけて、当該データベースに記録する手段を含み、
前記データベースに記録されたノイズレベルの測定結果の履歴が、所定処理に供されることを特徴とするホログラム読取装置。 - 請求項1または2に記載の記録媒体から、前記媒体識別子を読み取る工程と、
当該記録媒体の表面に固定されたホログラムに対して、前記媒体識別子を利用して変調した参照光を照射し、ホログラムからの再生光を生成する工程と、
を含むことを特徴とするホログラム読取方法。 - コンピュータに、
請求項1または2に記載の記録媒体から、前記媒体識別子を読み取る手順と、
当該記録媒体の表面に固定されたホログラムに対して、前記媒体識別子を利用して変調した参照光を照射し、ホログラムからの再生光を生成する手順と、
を実行させることを特徴とするプログラム。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004226062A JP4556534B2 (ja) | 2004-08-02 | 2004-08-02 | 記録媒体及びホログラム読取装置 |
US11/049,434 US7142336B2 (en) | 2004-08-02 | 2005-02-03 | Recording medium and hologram reader |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004226062A JP4556534B2 (ja) | 2004-08-02 | 2004-08-02 | 記録媒体及びホログラム読取装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006048248A JP2006048248A (ja) | 2006-02-16 |
JP4556534B2 true JP4556534B2 (ja) | 2010-10-06 |
Family
ID=35731815
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004226062A Expired - Fee Related JP4556534B2 (ja) | 2004-08-02 | 2004-08-02 | 記録媒体及びホログラム読取装置 |
Country Status (2)
Country | Link |
---|---|
US (1) | US7142336B2 (ja) |
JP (1) | JP4556534B2 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5756633B2 (ja) * | 2007-10-31 | 2015-07-29 | ブンデスドルッケライ・ゲゼルシャフト・ミト・ベシュレンクテル・ハフツング | 個別に露光される透かし模様構造を有するホログラムを製造するための方法および装置 |
JP2009289186A (ja) * | 2008-05-30 | 2009-12-10 | Toppan Forms Co Ltd | 非接触型データ受送信体およびその製造方法 |
JP6817815B2 (ja) | 2014-05-13 | 2021-01-20 | テンプラ テクノロジー,インコーポレーテッド | 可溶性容器による製品の加熱 |
EP3759553A4 (en) * | 2018-02-28 | 2022-04-20 | Northrup, Charles | NB REGULATORS AND FORM FACTORS |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11102425A (ja) * | 1997-09-25 | 1999-04-13 | Fuji Xerox Co Ltd | 情報メディア、光記録方法、光記録装置、光読み取り方法、光読み取り装置 |
JP2000163560A (ja) * | 1998-11-30 | 2000-06-16 | Sharp Corp | 静止画像処理装置 |
JP2002140681A (ja) * | 2000-10-31 | 2002-05-17 | Dainippon Printing Co Ltd | 情報記録媒体とその製造方法 |
JP2003505771A (ja) * | 1999-07-16 | 2003-02-12 | ベリフィケイション・テクノロジーズ・インコーポレイテッド | 製品または製品の包装を認証するための携帯認証装置および方法 |
JP2003178461A (ja) * | 1998-02-27 | 2003-06-27 | Optware:Kk | 光情報記録装置および光情報再生装置 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5920058A (en) * | 1996-10-23 | 1999-07-06 | Weber; David C. | Holographic labeling and reading machine for authentication and security applications |
JP3722350B2 (ja) | 1999-03-30 | 2005-11-30 | 日本ビクター株式会社 | カード認証システム |
-
2004
- 2004-08-02 JP JP2004226062A patent/JP4556534B2/ja not_active Expired - Fee Related
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2005
- 2005-02-03 US US11/049,434 patent/US7142336B2/en not_active Expired - Lifetime
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11102425A (ja) * | 1997-09-25 | 1999-04-13 | Fuji Xerox Co Ltd | 情報メディア、光記録方法、光記録装置、光読み取り方法、光読み取り装置 |
JP2003178461A (ja) * | 1998-02-27 | 2003-06-27 | Optware:Kk | 光情報記録装置および光情報再生装置 |
JP2000163560A (ja) * | 1998-11-30 | 2000-06-16 | Sharp Corp | 静止画像処理装置 |
JP2003505771A (ja) * | 1999-07-16 | 2003-02-12 | ベリフィケイション・テクノロジーズ・インコーポレイテッド | 製品または製品の包装を認証するための携帯認証装置および方法 |
JP2002140681A (ja) * | 2000-10-31 | 2002-05-17 | Dainippon Printing Co Ltd | 情報記録媒体とその製造方法 |
Also Published As
Publication number | Publication date |
---|---|
JP2006048248A (ja) | 2006-02-16 |
US20060023279A1 (en) | 2006-02-02 |
US7142336B2 (en) | 2006-11-28 |
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