JPH0220819U - - Google Patents
Info
- Publication number
- JPH0220819U JPH0220819U JP1988098341U JP9834188U JPH0220819U JP H0220819 U JPH0220819 U JP H0220819U JP 1988098341 U JP1988098341 U JP 1988098341U JP 9834188 U JP9834188 U JP 9834188U JP H0220819 U JPH0220819 U JP H0220819U
- Authority
- JP
- Japan
- Prior art keywords
- optical element
- pickup device
- support structure
- disk
- reflected
- 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
- 230000003287 optical effect Effects 0.000 claims description 13
- 230000004907 flux Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
- G11B7/1362—Mirrors
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Head (AREA)
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988098341U JPH064412Y2 (ja) | 1988-07-27 | 1988-07-27 | 光ピックアップ装置 |
| US07/363,814 US5065381A (en) | 1988-07-27 | 1989-06-09 | Optical pick-up aparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988098341U JPH064412Y2 (ja) | 1988-07-27 | 1988-07-27 | 光ピックアップ装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0220819U true JPH0220819U (en18) | 1990-02-13 |
| JPH064412Y2 JPH064412Y2 (ja) | 1994-02-02 |
Family
ID=14217203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988098341U Expired - Lifetime JPH064412Y2 (ja) | 1988-07-27 | 1988-07-27 | 光ピックアップ装置 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US5065381A (en18) |
| JP (1) | JPH064412Y2 (en18) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09204676A (ja) * | 1996-01-24 | 1997-08-05 | Sony Corp | 光学ピックアップ及び光ディスク装置 |
| JP2004342145A (ja) * | 2003-05-13 | 2004-12-02 | Funai Electric Co Ltd | 光ピックアップ移動体および光ディスク装置ならびに光ディスク装置の製造方法 |
| JP2005339617A (ja) * | 2004-05-25 | 2005-12-08 | Funai Electric Co Ltd | 光ピックアップ装置 |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6139942A (ja) * | 1984-08-01 | 1986-02-26 | Matsushita Electric Ind Co Ltd | 光ピツクアツプ |
| JPS6190337A (ja) * | 1984-10-09 | 1986-05-08 | Olympus Optical Co Ltd | 光学式情報記録再生装置 |
| JPS61196435A (ja) * | 1985-02-25 | 1986-08-30 | Asahi Optical Co Ltd | 光デイスク情報装置 |
| JPS61264310A (ja) * | 1985-05-20 | 1986-11-22 | Hitachi Ltd | 光学式信号再生装置 |
| JPS61264311A (ja) * | 1985-05-20 | 1986-11-22 | Hitachi Ltd | 光学式信号再生装置 |
| JPS6236750U (en18) * | 1985-08-20 | 1987-03-04 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5362650A (en) * | 1976-11-13 | 1978-06-05 | Maki Mfg Co Ltd | Spring aside grading method and its device in rounddholed sieve fruit grading machine |
| JP2617176B2 (ja) * | 1986-04-10 | 1997-06-04 | シャープ株式会社 | 光ヘツド |
| JPS6310326A (ja) * | 1986-07-01 | 1988-01-16 | Sanyo Electric Co Ltd | 光ピツクアツプ装置 |
-
1988
- 1988-07-27 JP JP1988098341U patent/JPH064412Y2/ja not_active Expired - Lifetime
-
1989
- 1989-06-09 US US07/363,814 patent/US5065381A/en not_active Expired - Lifetime
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6139942A (ja) * | 1984-08-01 | 1986-02-26 | Matsushita Electric Ind Co Ltd | 光ピツクアツプ |
| JPS6190337A (ja) * | 1984-10-09 | 1986-05-08 | Olympus Optical Co Ltd | 光学式情報記録再生装置 |
| JPS61196435A (ja) * | 1985-02-25 | 1986-08-30 | Asahi Optical Co Ltd | 光デイスク情報装置 |
| JPS61264310A (ja) * | 1985-05-20 | 1986-11-22 | Hitachi Ltd | 光学式信号再生装置 |
| JPS61264311A (ja) * | 1985-05-20 | 1986-11-22 | Hitachi Ltd | 光学式信号再生装置 |
| JPS6236750U (en18) * | 1985-08-20 | 1987-03-04 |
Also Published As
| Publication number | Publication date |
|---|---|
| US5065381A (en) | 1991-11-12 |
| JPH064412Y2 (ja) | 1994-02-02 |