JP2001076371A - 光ピックアップ装置 - Google Patents
光ピックアップ装置Info
- Publication number
- JP2001076371A JP2001076371A JP24843899A JP24843899A JP2001076371A JP 2001076371 A JP2001076371 A JP 2001076371A JP 24843899 A JP24843899 A JP 24843899A JP 24843899 A JP24843899 A JP 24843899A JP 2001076371 A JP2001076371 A JP 2001076371A
- Authority
- JP
- Japan
- Prior art keywords
- light
- return
- hologram element
- photodetector
- pickup device
- 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.)
- Pending
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 134
- 238000000926 separation method Methods 0.000 claims 2
- 230000004075 alteration Effects 0.000 abstract description 35
- 239000000758 substrate Substances 0.000 abstract description 12
- 230000005540 biological transmission Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 15
- 239000004065 semiconductor Substances 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 2
- 101000935040 Homo sapiens Integrin beta-2 Proteins 0.000 description 1
- 102100025390 Integrin beta-2 Human genes 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Optical Head (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24843899A JP2001076371A (ja) | 1999-09-02 | 1999-09-02 | 光ピックアップ装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24843899A JP2001076371A (ja) | 1999-09-02 | 1999-09-02 | 光ピックアップ装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2001076371A true JP2001076371A (ja) | 2001-03-23 |
| JP2001076371A5 JP2001076371A5 (enrdf_load_stackoverflow) | 2005-03-03 |
Family
ID=17178138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP24843899A Pending JP2001076371A (ja) | 1999-09-02 | 1999-09-02 | 光ピックアップ装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2001076371A (enrdf_load_stackoverflow) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002063619A1 (fr) * | 2001-02-01 | 2002-08-15 | Fujitsu Limited | Dispositif de stockage optique |
| JP2007200476A (ja) * | 2006-01-27 | 2007-08-09 | Funai Electric Co Ltd | 光ヘッド |
| WO2009069583A1 (ja) * | 2007-11-28 | 2009-06-04 | Sanyo Electric Co., Ltd. | 光ピックアップ装置 |
| JP2009176391A (ja) * | 2008-01-28 | 2009-08-06 | Sony Corp | 光ピックアップ及び光ディスク装置 |
-
1999
- 1999-09-02 JP JP24843899A patent/JP2001076371A/ja active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002063619A1 (fr) * | 2001-02-01 | 2002-08-15 | Fujitsu Limited | Dispositif de stockage optique |
| US6876620B2 (en) | 2001-02-01 | 2005-04-05 | Fujitsu Limited | Optical storage device |
| JP2007200476A (ja) * | 2006-01-27 | 2007-08-09 | Funai Electric Co Ltd | 光ヘッド |
| WO2009069583A1 (ja) * | 2007-11-28 | 2009-06-04 | Sanyo Electric Co., Ltd. | 光ピックアップ装置 |
| JP2009176391A (ja) * | 2008-01-28 | 2009-08-06 | Sony Corp | 光ピックアップ及び光ディスク装置 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH10106019A (ja) | ２波長分離型光ヘッド | |
| JP3603002B2 (ja) | 光ピックアップ装置およびその受光方法 | |
| JP2002163837A (ja) | 光ピックアップ装置及びレーザダイオードチップ | |
| JP3677200B2 (ja) | 光ピックアップ装置 | |
| CN101086872A (zh) | 光拾取器和光盘装置 | |
| JP2001076371A (ja) | 光ピックアップ装置 | |
| JP2006172605A (ja) | 光ピックアップ装置 | |
| KR100294886B1 (ko) | 호환형 광픽업장치 | |
| JP5126074B2 (ja) | 光ピックアップ及び光デバイス | |
| KR20040076328A (ko) | 위상이동 코팅막이 형성된 광학소자를 구비하는 광픽업장치 | |
| KR20110025116A (ko) | 광 픽업 장치 | |
| JPH11185282A (ja) | 光学ピックアップ及び光ディスク装置 | |
| JP2008181626A (ja) | 光ピックアップ | |
| JP3455675B2 (ja) | 光ピックアップ装置 | |
| JPH06168462A (ja) | 光学ヘッド | |
| JP2001076371A5 (enrdf_load_stackoverflow) | ||
| JP3389416B2 (ja) | 光ピックアップ装置 | |
| JP2001028145A (ja) | 光学ヘッド装置及びディスク録再装置 | |
| JPH11296895A (ja) | 光ピックアップ装置 | |
| JP2001076376A (ja) | 光ピックアップ装置 | |
| US8339922B2 (en) | Optical pickup apparatus | |
| JP2003091856A (ja) | 光学ピックアップ | |
| US20080159113A1 (en) | Optical Pickup Apparatus | |
| JPH09265656A (ja) | 光ピックアップ | |
| KR19990049993A (ko) | 광량조절을 이용한 듀얼 포커스 광픽업장치 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20040329 |
|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20040329 |
|
| A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20050701 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20051003 |
|
| A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20051202 |
|
| A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20060904 |