DE60320885D1 - Vorrichtung zur Korrektur von Signalmodulationen - Google Patents
Vorrichtung zur Korrektur von SignalmodulationenInfo
- Publication number
- DE60320885D1 DE60320885D1 DE60320885T DE60320885T DE60320885D1 DE 60320885 D1 DE60320885 D1 DE 60320885D1 DE 60320885 T DE60320885 T DE 60320885T DE 60320885 T DE60320885 T DE 60320885T DE 60320885 D1 DE60320885 D1 DE 60320885D1
- Authority
- DE
- Germany
- Prior art keywords
- correcting signal
- signal modulations
- modulations
- correcting
- 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.)
- Expired - Fee Related
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
- G11B7/12—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
- G11B7/1356—Double or multiple prisms, i.e. having two or more prisms in cooperation
-
- 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
-
- 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
- G11B7/1365—Separate or integrated refractive elements, e.g. wave plates
-
- 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
- G11B7/1395—Beam splitters or combiners
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Head (AREA)
- Polarising Elements (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10214775A DE10214775A1 (de) | 2002-04-03 | 2002-04-03 | Vorrichtung zur Korrektur von Signalmodulationen |
Publications (1)
Publication Number | Publication Date |
---|---|
DE60320885D1 true DE60320885D1 (de) | 2008-06-26 |
Family
ID=27816121
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE10214775A Withdrawn DE10214775A1 (de) | 2002-04-03 | 2002-04-03 | Vorrichtung zur Korrektur von Signalmodulationen |
DE60320885T Expired - Fee Related DE60320885D1 (de) | 2002-04-03 | 2003-03-25 | Vorrichtung zur Korrektur von Signalmodulationen |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE10214775A Withdrawn DE10214775A1 (de) | 2002-04-03 | 2002-04-03 | Vorrichtung zur Korrektur von Signalmodulationen |
Country Status (6)
Country | Link |
---|---|
US (1) | US7280459B2 (de) |
EP (1) | EP1351228B1 (de) |
JP (1) | JP2004039207A (de) |
KR (1) | KR20030079688A (de) |
CN (1) | CN1270308C (de) |
DE (2) | DE10214775A1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8587304B2 (en) * | 2007-09-05 | 2013-11-19 | The Regents Of The University Of California | Optical atomic magnetometer |
US8400573B2 (en) * | 2008-11-25 | 2013-03-19 | Samsung Electronics Co., Ltd. | Polarization conversion optical system and liquid crystal projection apparatus including the same |
US9869731B1 (en) | 2014-03-31 | 2018-01-16 | The Regents Of The University Of California | Wavelength-modulated coherence pumping and hyperfine repumping for an atomic magnetometer |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0677351B2 (ja) * | 1986-11-15 | 1994-09-28 | ソニー株式会社 | 光学ピツクアツプ装置 |
US4951274A (en) * | 1987-01-23 | 1990-08-21 | Nec Corporation | Magneto-optical head capable of separating beams for reading recorded information and servo information by use of one optical element |
JPH01273238A (ja) * | 1988-04-25 | 1989-11-01 | Sony Corp | 光学ヘッド装置 |
JP2902415B2 (ja) * | 1989-09-14 | 1999-06-07 | シャープ株式会社 | 光学ヘッド |
US5251198A (en) * | 1992-05-29 | 1993-10-05 | Strickler James H | Reading device for multi-layered optical information carrier |
DE4301827A1 (de) * | 1993-01-23 | 1994-07-28 | Thomson Brandt Gmbh | Eliminieren von Abtaststörungen |
JPH06314438A (ja) * | 1993-03-05 | 1994-11-08 | Olympus Optical Co Ltd | 光学ヘッド |
US6185166B1 (en) * | 1993-06-21 | 2001-02-06 | Fujitsu Limited | Optical information recording/reproducing apparatus |
US5694385A (en) * | 1993-09-24 | 1997-12-02 | Ricoh Comany, Ltd. | Optical pickup apparatus |
DE19645110A1 (de) * | 1996-11-01 | 1998-05-07 | Thomson Brandt Gmbh | Aufzeichnungs- oder Wiedergabegerät und Verfahren zum Erkennen eines Fokussierungszustands |
JPH10222863A (ja) * | 1996-12-06 | 1998-08-21 | Pioneer Electron Corp | 光ピックアップ装置 |
JP3400939B2 (ja) * | 1998-02-03 | 2003-04-28 | 富士通株式会社 | 光ディスク用情報読み取り・書き込み装置 |
KR100322599B1 (ko) * | 1998-12-23 | 2002-03-08 | 윤종용 | 광픽업장치 |
TW424237B (en) * | 1999-04-13 | 2001-03-01 | Ind Tech Res Inst | A read-writeable optical pickup head |
TW424236B (en) * | 1999-04-13 | 2001-03-01 | Ind Tech Res Inst | Compact optical read/write head |
-
2002
- 2002-04-03 DE DE10214775A patent/DE10214775A1/de not_active Withdrawn
-
2003
- 2003-03-18 CN CNB031204619A patent/CN1270308C/zh not_active Expired - Fee Related
- 2003-03-24 KR KR10-2003-0018099A patent/KR20030079688A/ko not_active Application Discontinuation
- 2003-03-25 EP EP03290758A patent/EP1351228B1/de not_active Expired - Fee Related
- 2003-03-25 DE DE60320885T patent/DE60320885D1/de not_active Expired - Fee Related
- 2003-03-31 US US10/403,111 patent/US7280459B2/en not_active Expired - Fee Related
- 2003-04-02 JP JP2003099144A patent/JP2004039207A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
CN1270308C (zh) | 2006-08-16 |
KR20030079688A (ko) | 2003-10-10 |
EP1351228B1 (de) | 2008-05-14 |
US7280459B2 (en) | 2007-10-09 |
CN1448930A (zh) | 2003-10-15 |
EP1351228A3 (de) | 2006-03-15 |
EP1351228A2 (de) | 2003-10-08 |
US20030189887A1 (en) | 2003-10-09 |
JP2004039207A (ja) | 2004-02-05 |
DE10214775A1 (de) | 2003-10-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8320 | Willingness to grant licences declared (paragraph 23) | ||
8328 | Change in the person/name/address of the agent |
Representative=s name: KURTH, D., DIPL.-ING. FACHING.F.SCHUTZRECHTSWESEN, |
|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |