JPH051529B2 - - Google Patents
Info
- Publication number
- JPH051529B2 JPH051529B2 JP60068061A JP6806185A JPH051529B2 JP H051529 B2 JPH051529 B2 JP H051529B2 JP 60068061 A JP60068061 A JP 60068061A JP 6806185 A JP6806185 A JP 6806185A JP H051529 B2 JPH051529 B2 JP H051529B2
- Authority
- JP
- Japan
- Prior art keywords
- data
- track
- sector
- clock
- read
- 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 33
- 239000011159 matrix material Substances 0.000 claims description 7
- 238000013500 data storage Methods 0.000 claims description 5
- 206010028896 Needle track marks Diseases 0.000 claims description 3
- 238000001514 detection method Methods 0.000 description 12
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000000758 substrate Substances 0.000 description 3
- 239000011111 cardboard Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006552 photochemical reaction Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Landscapes
- Credit Cards Or The Like (AREA)
- Optical Record Carriers And Manufacture Thereof (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Optical Recording Or Reproduction (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60068061A JPS61227232A (ja) | 1985-03-30 | 1985-03-30 | 光メモリカ−ド |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60068061A JPS61227232A (ja) | 1985-03-30 | 1985-03-30 | 光メモリカ−ド |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61227232A JPS61227232A (ja) | 1986-10-09 |
| JPH051529B2 true JPH051529B2 (US06826419-20041130-M00005.png) | 1993-01-08 |
Family
ID=13362890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60068061A Granted JPS61227232A (ja) | 1985-03-30 | 1985-03-30 | 光メモリカ−ド |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61227232A (US06826419-20041130-M00005.png) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0785335B2 (ja) * | 1986-03-14 | 1995-09-13 | ソニー株式会社 | 記録再生装置 |
| JP2590844B2 (ja) * | 1986-10-31 | 1997-03-12 | ソニー株式会社 | 情報記録装置 |
| US4885458A (en) * | 1987-02-04 | 1989-12-05 | Olympus Optical Co., Ltd. | Card-form recording medium and data recording device therefor |
| WO1988006339A1 (en) * | 1987-02-12 | 1988-08-25 | Dai Nippon Insatsu Kabushiki Kaisha | Method for recording and reproducing data for an optical card |
| JPH0510319Y2 (US06826419-20041130-M00005.png) * | 1987-03-10 | 1993-03-12 | ||
| JPS6413266A (en) * | 1987-07-06 | 1989-01-18 | Csk Corp | Optical recording medium |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61151792A (ja) * | 1984-12-26 | 1986-07-10 | Canon Inc | 光学的情報記録媒体 |
-
1985
- 1985-03-30 JP JP60068061A patent/JPS61227232A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61151792A (ja) * | 1984-12-26 | 1986-07-10 | Canon Inc | 光学的情報記録媒体 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61227232A (ja) | 1986-10-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2881306B2 (ja) | 透過的読出高密度光学データシステム | |
| US4634850A (en) | Quad density optical data system | |
| US4534031A (en) | Coded data on a record carrier and method for encoding same | |
| DE3789640D1 (de) | System und Verfahren zum Lesen und/oder Schreiben von Daten auf einen magnetischen Aufzeichnungsträger. | |
| US4912312A (en) | Optical card duplicating system | |
| CA1313710C (en) | Method of recording position information of last track recorded with data in directory area | |
| KR950005531B1 (ko) | 쿼드 밀도 광학 데이타 시스템 | |
| US4519054A (en) | Method for formatting optically encoded digital data on a substrate and the data record carrier formed thereby | |
| JPH051529B2 (US06826419-20041130-M00005.png) | ||
| US4982077A (en) | Recording format for optical recording medium | |
| US4817067A (en) | Optical recording medium | |
| JPS62173631A (ja) | 光記録媒体 | |
| JPS61202375A (ja) | 光学式記録カ−ド | |
| GB2199684A (en) | Optical record medium and method of recording control information thereon | |
| JPH0525152B2 (US06826419-20041130-M00005.png) | ||
| JPS61236028A (ja) | 光記録媒体 | |
| JP2579462B2 (ja) | 光記録媒体 | |
| JPS62143231A (ja) | 光記録媒体 | |
| JPH051530B2 (US06826419-20041130-M00005.png) | ||
| JPH0555931B2 (US06826419-20041130-M00005.png) | ||
| WO1989001222A1 (en) | Optical recording medium | |
| JPS63293771A (ja) | 光記録媒体 | |
| JPS63293773A (ja) | 光記録媒体 | |
| JPS6346661A (ja) | 情報記録媒体 | |
| JPH0765553A (ja) | 光カード |
