JPH0555931B2 - - Google Patents
Info
- Publication number
- JPH0555931B2 JPH0555931B2 JP61250460A JP25046086A JPH0555931B2 JP H0555931 B2 JPH0555931 B2 JP H0555931B2 JP 61250460 A JP61250460 A JP 61250460A JP 25046086 A JP25046086 A JP 25046086A JP H0555931 B2 JPH0555931 B2 JP H0555931B2
- Authority
- JP
- Japan
- Prior art keywords
- data
- pit
- row
- read
- rows
- 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.)
- Expired - Lifetime
Links
- 230000003287 optical effect Effects 0.000 claims description 37
- 230000015654 memory Effects 0.000 claims description 32
- 238000012545 processing Methods 0.000 claims description 28
- 239000011159 matrix material Substances 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 8
- 238000012937 correction Methods 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 4
- 230000007246 mechanism Effects 0.000 description 8
- 238000013144 data compression Methods 0.000 description 4
- 230000006870 function Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
Landscapes
- Optical Recording Or Reproduction (AREA)
- Credit Cards Or The Like (AREA)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP61250460A JPS63104222A (ja) | 1986-10-21 | 1986-10-21 | 光記録カードの読取り方法 |
US07/082,820 US4860275A (en) | 1986-08-09 | 1987-08-05 | Optical recording card and method of reading the same |
AT87307018T ATE99815T1 (de) | 1986-08-09 | 1987-08-07 | Optische aufzeichnungskarte und lesemethode. |
DE87307018T DE3788688T2 (de) | 1986-08-09 | 1987-08-07 | Optische Aufzeichnungskarte und Lesemethode. |
CA000543974A CA1298652C (en) | 1986-08-09 | 1987-08-07 | Optical recording card and method of reading the same |
EP87307018A EP0256807B1 (en) | 1986-08-09 | 1987-08-07 | Optical recording card and method of reading the same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP61250460A JPS63104222A (ja) | 1986-10-21 | 1986-10-21 | 光記録カードの読取り方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS63104222A JPS63104222A (ja) | 1988-05-09 |
JPH0555931B2 true JPH0555931B2 (US20020051482A1-20020502-M00012.png) | 1993-08-18 |
Family
ID=17208204
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP61250460A Granted JPS63104222A (ja) | 1986-08-09 | 1986-10-21 | 光記録カードの読取り方法 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS63104222A (US20020051482A1-20020502-M00012.png) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2796308B2 (ja) * | 1988-07-26 | 1998-09-10 | オリンパス光学工業株式会社 | 光カードの記録再生方法及び光カードのデータ配置方法 |
US8146808B2 (en) | 2005-12-19 | 2012-04-03 | International Frontier Technology Laboratory, Inc. | Card which can be authenticated by hologram chip |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6174088A (ja) * | 1984-09-18 | 1986-04-16 | Dainippon Printing Co Ltd | 光情報記録カ−ド |
JPS61139952A (ja) * | 1984-12-12 | 1986-06-27 | Comput Services Corp | 光メモリカ−ド |
JPS62117144A (ja) * | 1985-11-18 | 1987-05-28 | Sony Corp | 光学式記録媒体の読み取り回路 |
-
1986
- 1986-10-21 JP JP61250460A patent/JPS63104222A/ja active Granted
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6174088A (ja) * | 1984-09-18 | 1986-04-16 | Dainippon Printing Co Ltd | 光情報記録カ−ド |
JPS61139952A (ja) * | 1984-12-12 | 1986-06-27 | Comput Services Corp | 光メモリカ−ド |
JPS62117144A (ja) * | 1985-11-18 | 1987-05-28 | Sony Corp | 光学式記録媒体の読み取り回路 |
Also Published As
Publication number | Publication date |
---|---|
JPS63104222A (ja) | 1988-05-09 |
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