DD120311A5 - - Google Patents
Info
- Publication number
- DD120311A5 DD120311A5 DD185998A DD18599875A DD120311A5 DD 120311 A5 DD120311 A5 DD 120311A5 DD 185998 A DD185998 A DD 185998A DD 18599875 A DD18599875 A DD 18599875A DD 120311 A5 DD120311 A5 DD 120311A5
- Authority
- DD
- German Democratic Republic
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/10527—Audio or video recording; Data buffering arrangements
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/02—Simple or compound lenses with non-spherical faces
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
- G11B20/1806—Pulse code modulation systems for audio signals
- G11B20/1809—Pulse code modulation systems for audio signals by interleaving
-
- 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
- G11B7/1392—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
- 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)
- Engineering & Computer Science (AREA)
- Optics & Photonics (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- General Physics & Mathematics (AREA)
- Lenses (AREA)
- Materials For Medical Uses (AREA)
- Prostheses (AREA)
- Eyeglasses (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7416628A FR2271585B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-05-14 | 1974-05-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DD120311A5 true DD120311A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1976-06-05 |
Family
ID=9138802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD185998A DD120311A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-05-14 | 1975-05-13 |
Country Status (19)
Families Citing this family (41)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL7608561A (nl) * | 1976-08-02 | 1978-02-06 | Philips Nv | Optische uitleeseenheid voor het aftasten van een registratiedrager voorzien van een stra- lingsreflekterende informatiestruktuur. |
| JPS5588001A (en) * | 1978-12-11 | 1980-07-03 | Canon Inc | Distance measuring optical system |
| JPS5723293A (en) * | 1980-07-18 | 1982-02-06 | Canon Inc | Semiconductor laser device |
| JPS5776512A (en) * | 1980-10-31 | 1982-05-13 | Konishiroku Photo Ind Co Ltd | Large-aperture aspheric single lens |
| USRE34455E (en) * | 1980-10-31 | 1993-11-23 | Konishiroku Photo Industry Co., Ltd. | Large-aperture single lens with aspherical surfaces |
| US4426696A (en) * | 1981-01-07 | 1984-01-17 | Digital Recording Corp. | Optical playback apparatus focusing system for producing a prescribed energy distribution along an axial focal zone |
| NL8103323A (nl) * | 1981-07-13 | 1983-02-01 | Philips Nv | Enkelvoudige lens met een sferisch en een asferisch brekend oppervlak. |
| DE3138023A1 (de) * | 1981-09-24 | 1983-04-07 | Robert Bosch Gmbh, 7000 Stuttgart | Pulscodemodulationssystem |
| JPS58179685A (ja) * | 1982-04-15 | 1983-10-20 | Mitsubishi Paper Mills Ltd | 秘密文書作成用転写シート及びその記録方法 |
| DE3220408C2 (de) * | 1982-05-29 | 1985-05-15 | Optische Werke G. Rodenstock, 8000 München | Abtastobjektiv |
| DE3249662C2 (en) * | 1982-05-29 | 1988-08-04 | Optische Werke G. Rodenstock, 8000 Muenchen, De | Scanning lens |
| JPS5926714A (ja) * | 1982-08-05 | 1984-02-13 | Olympus Optical Co Ltd | 光デイスク用レンズ |
| EP0148278B1 (en) * | 1983-07-06 | 1990-11-22 | Matsushita Electric Industrial Co., Ltd. | Light pickup |
| NL8304212A (nl) * | 1983-12-07 | 1984-10-01 | Philips Nv | Enkelvoudige collimatorlens met een asferisch oppervlak. |
| NL8304213A (nl) * | 1983-12-07 | 1985-07-01 | Philips Nv | Enkelvoudige lens met een asferisch oppervlak. |
| JPS60181714A (ja) * | 1984-02-29 | 1985-09-17 | Konishiroku Photo Ind Co Ltd | 光デイスク用対物レンズ |
| JPS6156314A (ja) * | 1984-08-28 | 1986-03-22 | Konishiroku Photo Ind Co Ltd | 光情報記録媒体の記録再生用対物レンズ |
| NL8403198A (nl) * | 1984-10-22 | 1986-05-16 | Philips Nv | Enkelvoudige bi-asferische lens. |
| NL8500453A (nl) * | 1985-02-18 | 1986-09-16 | Philips Nv | Projektielenzenstelsel. |
| JPS61215512A (ja) * | 1985-03-20 | 1986-09-25 | Pioneer Electronic Corp | 光学式情報読取装置の対物レンズ |
| US4768867A (en) * | 1985-09-02 | 1988-09-06 | Canon Kabushiki Kaisha | Aspherical single lens |
| JPS62123419A (ja) * | 1985-11-22 | 1987-06-04 | Canon Inc | 結像レンズ |
| GB8606838D0 (en) * | 1986-03-19 | 1986-04-23 | Combined Optical Ind Ltd | Lens |
| JPS6310119A (ja) * | 1986-07-02 | 1988-01-16 | Matsushita Electric Ind Co Ltd | 大口径単レンズ |
| US4728183A (en) * | 1986-10-01 | 1988-03-01 | Ocular Instruments, Inc. | Ophthalmic lens for observing the fundus of the eye |
| JP2632855B2 (ja) * | 1987-07-29 | 1997-07-23 | 京セラ株式会社 | 対物レンズ |
| JPH0823626B2 (ja) * | 1987-07-29 | 1996-03-06 | コニカ株式会社 | 光ディスク用対物レンズ |
| JPH01136111A (ja) * | 1987-11-24 | 1989-05-29 | Minolta Camera Co Ltd | 単玉コリメータレンズ |
| US4927247A (en) * | 1988-05-13 | 1990-05-22 | Matsushita Electric Industrial Co., Ltd. | Objective lens for optical disk system and optical head using the same |
| US4932763A (en) * | 1988-07-28 | 1990-06-12 | Canon Kabushiki Kaisha | Aspherical single lens system for use with optical cards |
| JPH02150816A (ja) * | 1988-12-01 | 1990-06-11 | Canon Inc | 非球面単レンズ |
| JPH02223906A (ja) * | 1989-02-24 | 1990-09-06 | Hoya Corp | 有限系大口径非球面レンズ |
| US4979807A (en) * | 1989-04-12 | 1990-12-25 | Canon Kabushiki Kaisha | Biaspherical single lens for an optical information recording-reproducing apparatus |
| DE3919985A1 (de) * | 1989-06-19 | 1990-12-20 | Rodenstock Instr | Kontaktglas |
| US5309187A (en) * | 1992-03-18 | 1994-05-03 | Ocular Instruments, Inc. | High magnification ophthalmic lens |
| JP3019902B2 (ja) * | 1992-10-26 | 2000-03-15 | 松下電器産業株式会社 | 焦点誤差検出素子とそれを用いた光ヘッド |
| US5623323A (en) * | 1994-10-26 | 1997-04-22 | Ocular Instruments, Inc. | Extra wide field ophthalmic lens |
| US5589896A (en) * | 1994-10-26 | 1996-12-31 | Ocular Instruments, Inc. | Adjustable indirect ophthalmoscopy lens |
| JP3104780B2 (ja) * | 1994-12-21 | 2000-10-30 | 松下電器産業株式会社 | 対物レンズ及びそれを用いた光ヘッド装置 |
| US5644396A (en) * | 1995-06-20 | 1997-07-01 | Hewlett-Packard Company | Spectrograph with low focal ratio |
| DE102008028200B4 (de) | 2008-06-12 | 2013-01-31 | Karlsruher Institut für Technologie | Ultraschallwandler mit variabler Fokuseinstellung |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2388118A (en) * | 1942-05-08 | 1945-10-30 | Vickers Electrical Co Ltd | Lens |
| US2719235A (en) * | 1954-04-08 | 1955-09-27 | Eastman Kodak Co | Continuous inspection by optical scanning |
| US3486825A (en) * | 1965-05-10 | 1969-12-30 | Bradford Howland | Optical test equipment and methods for making and using same |
| US3877792A (en) * | 1974-04-12 | 1975-04-15 | Bell & Howell Co | Short focal length, large aperture optical system |
-
1974
- 1974-05-14 FR FR7416628A patent/FR2271585B1/fr not_active Expired
-
1975
- 1975-05-06 ZA ZA00752938A patent/ZA752938B/xx unknown
- 1975-05-07 US US05/575,148 patent/US4027952A/en not_active Expired - Lifetime
- 1975-05-09 GB GB19627/75A patent/GB1512652A/en not_active Expired
- 1975-05-09 DE DE2520563A patent/DE2520563C2/de not_active Expired
- 1975-05-09 DK DK205575AA patent/DK142158B/da not_active IP Right Cessation
- 1975-05-12 IT IT23234/75A patent/IT1038044B/it active
- 1975-05-12 BR BR3704/75A patent/BR7502914A/pt unknown
- 1975-05-12 NL NLAANVRAGE7505528,A patent/NL178818C/xx not_active IP Right Cessation
- 1975-05-12 ES ES437582A patent/ES437582A1/es not_active Expired
- 1975-05-12 CH CH605775A patent/CH604191A5/xx not_active IP Right Cessation
- 1975-05-12 BE BE156266A patent/BE828969A/xx not_active IP Right Cessation
- 1975-05-12 NO NO751673A patent/NO145809C/no unknown
- 1975-05-12 SE SE7505401A patent/SE423001B/xx not_active IP Right Cessation
- 1975-05-13 DD DD185998A patent/DD120311A5/xx unknown
- 1975-05-13 YU YU1217/75A patent/YU43742B/xx unknown
- 1975-05-13 AT AT364175A patent/AT353493B/de not_active IP Right Cessation
- 1975-05-13 PL PL1975180340A patent/PL103494B1/pl unknown
- 1975-05-13 JP JP50055553A patent/JPS50156945A/ja active Pending
-
1978
- 1978-05-16 AT AT0354778A patent/AT364175B/de not_active IP Right Cessation