JPH09120574A5 - - Google Patents
Info
- Publication number
- JPH09120574A5 JPH09120574A5 JP1996237357A JP23735796A JPH09120574A5 JP H09120574 A5 JPH09120574 A5 JP H09120574A5 JP 1996237357 A JP1996237357 A JP 1996237357A JP 23735796 A JP23735796 A JP 23735796A JP H09120574 A5 JPH09120574 A5 JP H09120574A5
- Authority
- JP
- Japan
- Prior art keywords
- scanning
- recording medium
- optical element
- dimensional grating
- holographic optical
- 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
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19530740.2 | 1995-08-22 | ||
| DE19530740A DE19530740A1 (de) | 1995-08-22 | 1995-08-22 | Optische Abtasteinrichtung |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JPH09120574A JPH09120574A (ja) | 1997-05-06 |
| JPH09120574A5 true JPH09120574A5 (2) | 2004-08-26 |
| JP3837784B2 JP3837784B2 (ja) | 2006-10-25 |
Family
ID=7770024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP23735796A Expired - Fee Related JP3837784B2 (ja) | 1995-08-22 | 1996-08-21 | 光学走査デバイス |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US5777976A (2) |
| EP (1) | EP0762401B1 (2) |
| JP (1) | JP3837784B2 (2) |
| KR (1) | KR100422078B1 (2) |
| CN (1) | CN1096065C (2) |
| DE (2) | DE19530740A1 (2) |
| MY (1) | MY116668A (2) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100754158B1 (ko) * | 2000-12-08 | 2007-09-03 | 삼성전자주식회사 | 구면수차 검출 및/또는 보정 가능한 광픽업장치 |
| KR100555939B1 (ko) * | 2003-06-30 | 2006-03-03 | 주식회사 대우일렉트로닉스 | 홀로그래픽 디지털 데이터 저장 시스템용 디스크 정렬장치 및 그 방법 |
| JP4277005B2 (ja) * | 2005-01-26 | 2009-06-10 | パナソニック株式会社 | 光ピックアップ装置 |
| JP4449912B2 (ja) * | 2006-01-27 | 2010-04-14 | 日本ビクター株式会社 | 光ピックアップ |
| DE102006024356B4 (de) * | 2006-05-19 | 2016-09-29 | Seereal Technologies S.A. | Holographische Projektionsvorrichtung zur Rekonstruktion von Szenen und Verfahren zur holographischen Rekonstruktion |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0228620B1 (en) * | 1985-12-10 | 1991-06-05 | Nec Corporation | Optical head comprising a diffraction grating for directing two or more diffracted beams to optical detectors |
| EP0305169B1 (en) * | 1987-08-24 | 1994-05-11 | Sharp Kabushiki Kaisha | Optical pickup apparatus and optical grating assembly therefor |
| JPH01151022A (ja) * | 1987-12-09 | 1989-06-13 | Sharp Corp | 光ピックアップ装置 |
| NL8802988A (nl) * | 1988-12-05 | 1990-07-02 | Philips Nv | Inrichting voor het met optische straling aftasten van een informatievlak. |
| KR940001999B1 (ko) * | 1989-06-06 | 1994-03-12 | 샤프 가부시끼가이샤 | 광 픽업장치 |
| EP0452793B1 (en) * | 1990-04-12 | 1998-01-28 | Matsushita Electric Industrial Co., Ltd. | Optical head having a hologram associated with the objective lens |
| JP2656136B2 (ja) * | 1990-05-29 | 1997-09-24 | シャープ株式会社 | 光ピックアップ装置 |
| JP3155287B2 (ja) * | 1990-05-30 | 2001-04-09 | 株式会社リコー | 光情報記録再生装置 |
| JP2776487B2 (ja) * | 1992-01-28 | 1998-07-16 | シャープ株式会社 | 光学式情報記録再生装置 |
| US5410468A (en) * | 1992-06-26 | 1995-04-25 | Matsushita Electric Industrial Co., Ltd. | Optical pick-up apparatus |
| EP0581519B1 (en) * | 1992-07-30 | 1998-05-27 | Matsushita Electric Industrial Co., Ltd. | Optical pick-up apparatus |
| KR940020325A (ko) * | 1993-02-08 | 1994-09-15 | 이헌조 | 광픽업장치 |
-
1995
- 1995-08-22 DE DE19530740A patent/DE19530740A1/de not_active Withdrawn
-
1996
- 1996-06-13 US US08/662,626 patent/US5777976A/en not_active Expired - Lifetime
- 1996-08-07 DE DE59608186T patent/DE59608186D1/de not_active Expired - Lifetime
- 1996-08-07 EP EP96112695A patent/EP0762401B1/de not_active Expired - Lifetime
- 1996-08-09 CN CN96109285A patent/CN1096065C/zh not_active Expired - Fee Related
- 1996-08-20 MY MYPI96003418A patent/MY116668A/en unknown
- 1996-08-21 JP JP23735796A patent/JP3837784B2/ja not_active Expired - Fee Related
- 1996-08-22 KR KR1019960034790A patent/KR100422078B1/ko not_active Expired - Fee Related
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