USRE43106E1 - Optical pickup compatible with a digital versatile disk and a recordable compact disk using a holographic ring lens - Google Patents
Optical pickup compatible with a digital versatile disk and a recordable compact disk using a holographic ring lens Download PDFInfo
- Publication number
- USRE43106E1 USRE43106E1 US11/849,609 US84960907A USRE43106E US RE43106 E1 USRE43106 E1 US RE43106E1 US 84960907 A US84960907 A US 84960907A US RE43106 E USRE43106 E US RE43106E
- Authority
- US
- United States
- Prior art keywords
- objective lens
- light beams
- region
- diffractive
- light beam
- 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 - Lifetime, expires
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Images
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
- G11B7/1353—Diffractive elements, e.g. holograms or gratings
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/32—Holograms used as optical elements
-
- 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
- G11B7/125—Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
- G11B7/127—Lasers; Multiple laser arrays
- G11B7/1275—Two or more lasers having different wavelengths
-
- 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
- G11B7/1372—Lenses
-
- 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
- G11B7/1372—Lenses
- G11B7/1374—Objective lenses
-
- 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
- G11B7/1372—Lenses
- G11B7/1378—Separate aberration correction lenses; Cylindrical lenses to generate astigmatism; Beam expanders
-
- 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
- G11B7/139—Numerical aperture control means
-
- 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
- G11B7/1392—Means for controlling the beam wavefront, e.g. for correction of aberration
- G11B7/13922—Means for controlling the beam wavefront, e.g. for correction of aberration passive
-
- 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
- G11B2007/0003—Recording, reproducing or erasing systems characterised by the structure or type of the carrier
- G11B2007/0006—Recording, reproducing or erasing systems characterised by the structure or type of the carrier adapted for scanning different types of carrier, e.g. CD & DVD
-
- 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
- G11B7/1372—Lenses
- G11B2007/13727—Compound lenses, i.e. two or more lenses co-operating to perform a function, e.g. compound objective lens including a solid immersion lens, positive and negative lenses either bonded together or with adjustable spacing
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Optical Head (AREA)
Abstract
Description
Claims (62)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/849,609 USRE43106E1 (en) | 1997-03-28 | 2007-09-04 | Optical pickup compatible with a digital versatile disk and a recordable compact disk using a holographic ring lens |
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019970011297A KR100209918B1 (en) | 1997-03-28 | 1997-03-28 | Optical pickup for cd-r and dvd using hologram ring lens |
KR97-11297 | 1997-03-28 | ||
US09/049,988 US6043912A (en) | 1997-03-28 | 1998-03-30 | Optical pickup compatible with a digital versatile disk and a recordable compact disk using a holographic ring lens |
US09/419,792 US6304540B1 (en) | 1998-03-30 | 1999-10-18 | Optical pickup compatible with a digital versatile disk and a recordable compact disk using a holographic ring lens |
US09/930,964 US7046611B2 (en) | 1997-03-28 | 2001-08-17 | Optical pickup compatible with a digital versatile disk and a recordable compact disk using a holographic ring lens |
US11/849,609 USRE43106E1 (en) | 1997-03-28 | 2007-09-04 | Optical pickup compatible with a digital versatile disk and a recordable compact disk using a holographic ring lens |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US09/930,964 Reissue US7046611B2 (en) | 1997-03-28 | 2001-08-17 | Optical pickup compatible with a digital versatile disk and a recordable compact disk using a holographic ring lens |
Publications (1)
Publication Number | Publication Date |
---|---|
USRE43106E1 true USRE43106E1 (en) | 2012-01-17 |
Family
ID=21962800
Family Applications (5)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US09/419,792 Expired - Lifetime US6304540B1 (en) | 1997-03-28 | 1999-10-18 | Optical pickup compatible with a digital versatile disk and a recordable compact disk using a holographic ring lens |
US09/930,964 Ceased US7046611B2 (en) | 1997-03-28 | 2001-08-17 | Optical pickup compatible with a digital versatile disk and a recordable compact disk using a holographic ring lens |
US09/930,963 Expired - Lifetime US6816449B2 (en) | 1997-03-28 | 2001-08-17 | Optical pickup compatible with a digital versatile disk and a recordable compact disk using a holographic ring lens |
US10/461,430 Expired - Lifetime US6788636B2 (en) | 1997-03-28 | 2003-06-16 | Optical pickup compatible with a digital versatile disk and a recordable compact disk using a holographic ring lens |
US11/849,609 Expired - Lifetime USRE43106E1 (en) | 1997-03-28 | 2007-09-04 | Optical pickup compatible with a digital versatile disk and a recordable compact disk using a holographic ring lens |
Family Applications Before (4)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US09/419,792 Expired - Lifetime US6304540B1 (en) | 1997-03-28 | 1999-10-18 | Optical pickup compatible with a digital versatile disk and a recordable compact disk using a holographic ring lens |
US09/930,964 Ceased US7046611B2 (en) | 1997-03-28 | 2001-08-17 | Optical pickup compatible with a digital versatile disk and a recordable compact disk using a holographic ring lens |
US09/930,963 Expired - Lifetime US6816449B2 (en) | 1997-03-28 | 2001-08-17 | Optical pickup compatible with a digital versatile disk and a recordable compact disk using a holographic ring lens |
US10/461,430 Expired - Lifetime US6788636B2 (en) | 1997-03-28 | 2003-06-16 | Optical pickup compatible with a digital versatile disk and a recordable compact disk using a holographic ring lens |
Country Status (1)
Country | Link |
---|---|
US (5) | US6304540B1 (en) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6222812B1 (en) | 1996-08-29 | 2001-04-24 | Samsung Electronics Co., Ltd. | Optical pickup using an optical phase plate |
US6304540B1 (en) | 1998-03-30 | 2001-10-16 | Samsung Electronics Co., Ltd. | Optical pickup compatible with a digital versatile disk and a recordable compact disk using a holographic ring lens |
US6650612B1 (en) * | 1999-03-31 | 2003-11-18 | Matsushita Electric Industrial Co., Ltd. | Optical head and recording reproduction method |
KR100348883B1 (en) * | 1999-09-03 | 2002-08-17 | 엘지전자주식회사 | Optical pick up for suppressing astigmatism |
KR100694032B1 (en) * | 2000-04-17 | 2007-03-12 | 삼성전자주식회사 | Objective lens and the optical pickup device adopting the same |
TWI225243B (en) | 2000-10-13 | 2004-12-11 | Matsushita Electric Ind Co Ltd | Optical head and apparatus for and method of storing and reproducing optical information |
JP2002324333A (en) * | 2001-04-26 | 2002-11-08 | Konica Corp | Optical pickup device and its objective lens |
JP2003322793A (en) * | 2002-05-08 | 2003-11-14 | Pentax Corp | Objective lens for optical head |
KR100498483B1 (en) * | 2003-01-29 | 2005-07-01 | 삼성전자주식회사 | Compatible optical pickup and method for detecting optical power thereof |
DE602004026372D1 (en) * | 2003-01-29 | 2010-05-12 | Ricoh Kk | Optical read head device and optical disk device |
EP1471514A3 (en) * | 2003-04-22 | 2006-10-04 | Konica Minolta Opto, Inc. | Optical pickup device, optical information recording and reproducing apparatus, expander lens, coupling lens and chromatic aberration correcting optical element |
JP2005209299A (en) * | 2004-01-23 | 2005-08-04 | Pioneer Electronic Corp | Optical pickup and recording reproducing device |
EP1564729B1 (en) * | 2004-02-17 | 2007-06-20 | Matsushita Electric Industrial Co., Ltd. | Optical-disk drive device |
US7692746B2 (en) * | 2005-08-01 | 2010-04-06 | Real D | Digitally-switchable bandpass filter |
US20080019232A1 (en) * | 2006-07-21 | 2008-01-24 | Samsung Electronics Co., Ltd. | Object lens and optical pick-up device having the same |
TW201229431A (en) * | 2010-09-24 | 2012-07-16 | Illumitex Inc | High NA optical system and device |
WO2014018584A1 (en) * | 2012-07-24 | 2014-01-30 | Trustees Of Boston University | Partitioned aperture wavefront imaging method and system |
US11853845B2 (en) * | 2020-09-02 | 2023-12-26 | Cognex Corporation | Machine vision system and method with multi-aperture optics assembly |
Citations (94)
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US6043912A (en) | 1997-03-28 | 2000-03-28 | Samsung Electronics Co., Ltd. | Optical pickup compatible with a digital versatile disk and a recordable compact disk using a holographic ring lens |
US6052237A (en) | 1996-03-08 | 2000-04-18 | U.S. Philips Corporation | Objective lens and scanning device using such an objective lens |
US6304540B1 (en) | 1998-03-30 | 2001-10-16 | Samsung Electronics Co., Ltd. | Optical pickup compatible with a digital versatile disk and a recordable compact disk using a holographic ring lens |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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Also Published As
Publication number | Publication date |
---|---|
US6816449B2 (en) | 2004-11-09 |
US20030214897A1 (en) | 2003-11-20 |
US6788636B2 (en) | 2004-09-07 |
US20020024917A1 (en) | 2002-02-28 |
US6304540B1 (en) | 2001-10-16 |
US20020027862A1 (en) | 2002-03-07 |
US7046611B2 (en) | 2006-05-16 |
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