JPS644934A - Recording medium and method for reading recorded information thereof - Google Patents
Recording medium and method for reading recorded information thereofInfo
- Publication number
- JPS644934A JPS644934A JP62160529A JP16052987A JPS644934A JP S644934 A JPS644934 A JP S644934A JP 62160529 A JP62160529 A JP 62160529A JP 16052987 A JP16052987 A JP 16052987A JP S644934 A JPS644934 A JP S644934A
- Authority
- JP
- Japan
- Prior art keywords
- information
- recorded information
- recording medium
- falsification
- applying
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000011248 coating agent Substances 0.000 abstract 3
- 238000000576 coating method Methods 0.000 abstract 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 abstract 2
- 239000000463 material Substances 0.000 abstract 2
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 abstract 1
- 229910052681 coesite Inorganic materials 0.000 abstract 1
- 229910052906 cristobalite Inorganic materials 0.000 abstract 1
- 239000011347 resin Substances 0.000 abstract 1
- 229920005989 resin Polymers 0.000 abstract 1
- 239000000377 silicon dioxide Substances 0.000 abstract 1
- 235000012239 silicon dioxide Nutrition 0.000 abstract 1
- 229910052682 stishovite Inorganic materials 0.000 abstract 1
- 239000000758 substrate Substances 0.000 abstract 1
- 229910052905 tridymite Inorganic materials 0.000 abstract 1
Landscapes
- Credit Cards Or The Like (AREA)
- Optical Record Carriers And Manufacture Thereof (AREA)
Abstract
PURPOSE:To prevent the falsification of recorded information by adding an electromagnetic wave absorptive material which absorbs electromagnetic waves in an invisible region in the form of applying the prescribed information to a titled medium, thereby writing the intended information as an invisible information. CONSTITUTION:A recording card 10 as the recording medium has a rectangular substrate 11 which consists of, for example, a vinyl chloride resin, etc. A display layer 12 which displays figures and patterns for advertisement, etc., is formed on one plate surface thereof and an IR reflecting coating 13 is formed thereon. The IR reflecting coating 13 is alternate layers of TiO2 and SiO2 which are substantially transparent to visible light. An IR absorptive material 14 as the electromagnetic wave absorptive member is fixed in the form of applying the prescribed information near to the center of the coating 13. Since the interpretation of the bar lines constituting the recorded information by naked eyes is thereby prohibited, the falsification of the recorded information is prevented.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62160529A JPS644934A (en) | 1987-06-27 | 1987-06-27 | Recording medium and method for reading recorded information thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62160529A JPS644934A (en) | 1987-06-27 | 1987-06-27 | Recording medium and method for reading recorded information thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS644934A true JPS644934A (en) | 1989-01-10 |
Family
ID=15716937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62160529A Pending JPS644934A (en) | 1987-06-27 | 1987-06-27 | Recording medium and method for reading recorded information thereof |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS644934A (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5300764A (en) * | 1991-09-11 | 1994-04-05 | Nhk Spring Company, Ltd. | Transparent optical identification label with infrared directivity |
| US5442433A (en) * | 1989-08-11 | 1995-08-15 | Nhk Spring Co., Ltd. | Identification system for an article having individually attached patches |
| US6060773A (en) * | 1997-05-15 | 2000-05-09 | Nippon Telegraph And Telephone Corporation | Semiconductor chip and method of manufacturing the same |
| WO2001018745A3 (en) * | 1999-09-07 | 2001-09-13 | American Express Travel Relate | Transparent transaction card with infrared blocking layer |
| US6581839B1 (en) | 1999-09-07 | 2003-06-24 | American Express Travel Related Services Company, Inc. | Transaction card |
| US6705530B2 (en) | 1999-10-01 | 2004-03-16 | Perfect Plastic Printing Corporation | Transparent/translucent financial transaction card |
| US7306158B2 (en) | 2001-07-10 | 2007-12-11 | American Express Travel Related Services Company, Inc. | Clear contactless card |
| GB2416895B (en) * | 2004-07-29 | 2008-12-10 | Hewlett Packard Development Co | Products with data-encoding pattern |
| JP2009226635A (en) * | 2008-03-19 | 2009-10-08 | Toppan Printing Co Ltd | Information recording medium and authenticity deciding system |
| US9886692B2 (en) | 2001-07-10 | 2018-02-06 | Chartoleaux Kg Limited Liability Company | Securing a transaction between a transponder and a reader |
| CN110275228A (en) * | 2019-06-03 | 2019-09-24 | 合肥昊泰新材料科技有限责任公司 | A kind of stealthy film and preparation method thereof |
| US10839388B2 (en) | 2001-07-10 | 2020-11-17 | Liberty Peak Ventures, Llc | Funding a radio frequency device transaction |
| WO2024117100A1 (en) * | 2022-12-01 | 2024-06-06 | マクセル株式会社 | Sensing system, control system, management system, and marker |
-
1987
- 1987-06-27 JP JP62160529A patent/JPS644934A/en active Pending
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5442433A (en) * | 1989-08-11 | 1995-08-15 | Nhk Spring Co., Ltd. | Identification system for an article having individually attached patches |
| US5300764A (en) * | 1991-09-11 | 1994-04-05 | Nhk Spring Company, Ltd. | Transparent optical identification label with infrared directivity |
| US6060773A (en) * | 1997-05-15 | 2000-05-09 | Nippon Telegraph And Telephone Corporation | Semiconductor chip and method of manufacturing the same |
| WO2001018745A3 (en) * | 1999-09-07 | 2001-09-13 | American Express Travel Relate | Transparent transaction card with infrared blocking layer |
| US6581839B1 (en) | 1999-09-07 | 2003-06-24 | American Express Travel Related Services Company, Inc. | Transaction card |
| US6732936B1 (en) | 1999-10-01 | 2004-05-11 | Perfect Plastic Printing Corp. | Transparent/translucent financial transaction card |
| US6705530B2 (en) | 1999-10-01 | 2004-03-16 | Perfect Plastic Printing Corporation | Transparent/translucent financial transaction card |
| US7306158B2 (en) | 2001-07-10 | 2007-12-11 | American Express Travel Related Services Company, Inc. | Clear contactless card |
| US9886692B2 (en) | 2001-07-10 | 2018-02-06 | Chartoleaux Kg Limited Liability Company | Securing a transaction between a transponder and a reader |
| US10839388B2 (en) | 2001-07-10 | 2020-11-17 | Liberty Peak Ventures, Llc | Funding a radio frequency device transaction |
| GB2416895B (en) * | 2004-07-29 | 2008-12-10 | Hewlett Packard Development Co | Products with data-encoding pattern |
| JP2009226635A (en) * | 2008-03-19 | 2009-10-08 | Toppan Printing Co Ltd | Information recording medium and authenticity deciding system |
| CN110275228A (en) * | 2019-06-03 | 2019-09-24 | 合肥昊泰新材料科技有限责任公司 | A kind of stealthy film and preparation method thereof |
| WO2024117100A1 (en) * | 2022-12-01 | 2024-06-06 | マクセル株式会社 | Sensing system, control system, management system, and marker |
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