JPS5758248A - Readout method of high density light beam - Google Patents
Readout method of high density light beamInfo
- Publication number
- JPS5758248A JPS5758248A JP13254380A JP13254380A JPS5758248A JP S5758248 A JPS5758248 A JP S5758248A JP 13254380 A JP13254380 A JP 13254380A JP 13254380 A JP13254380 A JP 13254380A JP S5758248 A JPS5758248 A JP S5758248A
- Authority
- JP
- Japan
- Prior art keywords
- crosstalk
- high density
- optical beam
- read out
- signal
- 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.)
- Granted
Links
Classifications
-
- 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
- G11B7/005—Reproducing
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13254380A JPS5758248A (en) | 1980-09-24 | 1980-09-24 | Readout method of high density light beam |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13254380A JPS5758248A (en) | 1980-09-24 | 1980-09-24 | Readout method of high density light beam |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5758248A true JPS5758248A (en) | 1982-04-07 |
JPS6260731B2 JPS6260731B2 (ja) | 1987-12-17 |
Family
ID=15083733
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13254380A Granted JPS5758248A (en) | 1980-09-24 | 1980-09-24 | Readout method of high density light beam |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5758248A (ja) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5787344U (ja) * | 1980-11-18 | 1982-05-29 | ||
JPH0185913U (ja) * | 1987-11-27 | 1989-06-07 | ||
JPH01256026A (ja) * | 1988-04-06 | 1989-10-12 | Matsushita Electric Ind Co Ltd | 光ディスク装置 |
JPH0536083A (ja) * | 1991-08-01 | 1993-02-12 | Sharp Corp | 光記録再生装置 |
US5347504A (en) * | 1991-12-19 | 1994-09-13 | Matsushita Electric Industrial Co., Ltd. | Optical disk apparatus for optically recording or reproducing information on an optical recording medium |
US5519685A (en) * | 1992-11-12 | 1996-05-21 | Matsushita Electric Industrial Co., Ltd. | Optical pickup head apparatus capable of suppressing crosstalk from adjacent tracks and in the recording line density direction |
US5587985A (en) * | 1993-03-09 | 1996-12-24 | Matsushita Electric Industrial Co., Ltd. | Signal processing device for an optical information reproducing apparatus |
US5881039A (en) * | 1993-03-09 | 1999-03-09 | Matsushita Electric Industrial Co., Ltd. | Signal processing device for an optical information reproducing apparatus |
EP1968050A3 (en) * | 2007-03-08 | 2009-01-21 | Thomson Licensing | Optical storage medium and apparatus for reading of respective data |
-
1980
- 1980-09-24 JP JP13254380A patent/JPS5758248A/ja active Granted
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5787344U (ja) * | 1980-11-18 | 1982-05-29 | ||
JPH0185913U (ja) * | 1987-11-27 | 1989-06-07 | ||
JPH01256026A (ja) * | 1988-04-06 | 1989-10-12 | Matsushita Electric Ind Co Ltd | 光ディスク装置 |
JPH0536083A (ja) * | 1991-08-01 | 1993-02-12 | Sharp Corp | 光記録再生装置 |
US5347504A (en) * | 1991-12-19 | 1994-09-13 | Matsushita Electric Industrial Co., Ltd. | Optical disk apparatus for optically recording or reproducing information on an optical recording medium |
US5430701A (en) * | 1991-12-19 | 1995-07-04 | Matsushita Electric Industrial Co., Inc. | Optical disk apparatus for optically recording or reproducing information on an optical recording medium |
US5440536A (en) * | 1991-12-19 | 1995-08-08 | Matsushita Electric Industrial Co., Ltd. | Optical disk apparatus for producing information recorded on a recording track |
US5519685A (en) * | 1992-11-12 | 1996-05-21 | Matsushita Electric Industrial Co., Ltd. | Optical pickup head apparatus capable of suppressing crosstalk from adjacent tracks and in the recording line density direction |
US5587985A (en) * | 1993-03-09 | 1996-12-24 | Matsushita Electric Industrial Co., Ltd. | Signal processing device for an optical information reproducing apparatus |
US5740141A (en) * | 1993-03-09 | 1998-04-14 | Matsushita Electric Industrial Co., Ltd. | Signal processing device for an optical information reproducing apparatus |
US5881039A (en) * | 1993-03-09 | 1999-03-09 | Matsushita Electric Industrial Co., Ltd. | Signal processing device for an optical information reproducing apparatus |
EP1968050A3 (en) * | 2007-03-08 | 2009-01-21 | Thomson Licensing | Optical storage medium and apparatus for reading of respective data |
US8259558B2 (en) | 2007-03-08 | 2012-09-04 | Thomson Licensing | Optical storage medium and apparatus for reading of respective data |
Also Published As
Publication number | Publication date |
---|---|
JPS6260731B2 (ja) | 1987-12-17 |
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