JPS6110888B2 - - Google Patents
Info
- Publication number
- JPS6110888B2 JPS6110888B2 JP55118796A JP11879680A JPS6110888B2 JP S6110888 B2 JPS6110888 B2 JP S6110888B2 JP 55118796 A JP55118796 A JP 55118796A JP 11879680 A JP11879680 A JP 11879680A JP S6110888 B2 JPS6110888 B2 JP S6110888B2
- Authority
- JP
- Japan
- 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
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
- G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
- G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11879680A JPS5744241A (en) | 1980-08-27 | 1980-08-27 | Magnetooptic reproducer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11879680A JPS5744241A (en) | 1980-08-27 | 1980-08-27 | Magnetooptic reproducer |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP22855189A Division JPH02126450A (en) | 1989-09-04 | 1989-09-04 | Magneto-optical reproducing device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5744241A JPS5744241A (en) | 1982-03-12 |
JPS6110888B2 true JPS6110888B2 (en) | 1986-03-31 |
Family
ID=14745315
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11879680A Granted JPS5744241A (en) | 1980-08-27 | 1980-08-27 | Magnetooptic reproducer |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5744241A (en) |
Families Citing this family (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4561032A (en) * | 1981-06-02 | 1985-12-24 | Canon Kabushiki Kaisha | Magnetooptic reproducing device |
JPS58189612A (en) * | 1982-04-28 | 1983-11-05 | Canon Inc | Optical reading system of recording pattern |
JPS57205840A (en) * | 1981-06-10 | 1982-12-17 | Canon Inc | Vertical magnetic recording and reproducing device |
JPS58122633A (en) * | 1982-01-18 | 1983-07-21 | Sharp Corp | Optical device |
JPH0756709B2 (en) * | 1981-10-29 | 1995-06-14 | シャ−プ株式会社 | Magneto-optical storage device |
JPS5877048A (en) * | 1981-10-30 | 1983-05-10 | Pioneer Electronic Corp | Reader for photomagnetic recording and reproducing system |
JPS58175149A (en) * | 1982-04-07 | 1983-10-14 | Hitachi Ltd | Optical pickup device |
US4558440A (en) * | 1982-08-19 | 1985-12-10 | Canon Kabushiki Kaisha | System for recording patterns of magnetically recorded information by utilizing the magneto-optic effect |
JPS5977649A (en) * | 1982-10-26 | 1984-05-04 | Sanyo Electric Co Ltd | Reproducing device of photomagnetic disc |
JPS5992457A (en) * | 1982-11-17 | 1984-05-28 | Matsushita Electric Ind Co Ltd | Optical reproducer |
JPS59154659A (en) * | 1983-02-24 | 1984-09-03 | Fujitsu Ltd | Optomagnetic recording and reproducing device |
JPS59177748A (en) * | 1983-03-28 | 1984-10-08 | Fujitsu Ltd | Optomagnetic recording and reproducing device |
JPS59203259A (en) * | 1983-05-04 | 1984-11-17 | Sanyo Electric Co Ltd | Optical magnetic disc device |
JP2504734B2 (en) * | 1983-11-08 | 1996-06-05 | シャープ株式会社 | Optical device of magneto-optical storage device |
JPS6082728U (en) * | 1983-11-10 | 1985-06-07 | 三洋電機株式会社 | information reading device |
JPS60108189A (en) * | 1983-11-17 | 1985-06-13 | Toyota Motor Corp | Laser butt welding method |
JPS60129953A (en) * | 1983-12-16 | 1985-07-11 | Fujitsu Ltd | Photomagnetic recording and reproducing device |
JPS60129954A (en) * | 1983-12-19 | 1985-07-11 | Matsushita Electric Ind Co Ltd | Photomagnetic disk recorder |
JPS60187955A (en) * | 1984-03-07 | 1985-09-25 | Yokogawa Hokushin Electric Corp | Photomagnetic disk device |
FR2569072B1 (en) * | 1984-05-25 | 1988-09-16 | Thomson Csf | MAGNETO-OPTICAL READING SYSTEM |
US5661701A (en) * | 1985-02-28 | 1997-08-26 | Canon Kabushiki Kaisha | Optical pickup using split beams impinging on different photodetector areas |
US5416755A (en) * | 1985-02-28 | 1995-05-16 | Canon Kabushiki Kaisha | Optical pickup using split beams impinging on different photo-detector areas |
JPS63282939A (en) * | 1987-05-15 | 1988-11-18 | Seiko Epson Corp | Optical pick-up |
JP2625738B2 (en) * | 1987-07-06 | 1997-07-02 | セイコーエプソン株式会社 | Optical head |
JPH01319145A (en) * | 1988-06-20 | 1989-12-25 | Hitachi Maxell Ltd | Optical recording medium driving device |
JP2511202B2 (en) * | 1991-04-26 | 1996-06-26 | シャープ株式会社 | Optical device |
US5444677A (en) * | 1992-03-03 | 1995-08-22 | Omron Corporation | Optical read/write head low angle beamsplitter and coplanar detectors |
JPH0748270B2 (en) * | 1992-06-29 | 1995-05-24 | キヤノン株式会社 | Recording pattern reading optical system |
JPH08212615A (en) * | 1995-12-13 | 1996-08-20 | Sharp Corp | Optical device of magneto-optical storage device |
JPH1079623A (en) | 1996-09-02 | 1998-03-24 | Olympus Optical Co Ltd | Semiconductor module incorporated with antenna element |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5558834A (en) * | 1978-10-27 | 1980-05-01 | Fujitsu Ltd | Optical readout method |
-
1980
- 1980-08-27 JP JP11879680A patent/JPS5744241A/en active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5558834A (en) * | 1978-10-27 | 1980-05-01 | Fujitsu Ltd | Optical readout method |
Also Published As
Publication number | Publication date |
---|---|
JPS5744241A (en) | 1982-03-12 |