ATE40010T1 - Biaspherische einzellinse. - Google Patents

Biaspherische einzellinse.

Info

Publication number: ATE40010T1
Authority: AT; Austria
Prior art keywords: biaspheric; single lens; lens; aspherical; lens substrate
Prior art date: 1984-10-22

Application number

AT85201693T

Other languages

English (en)

Inventor

Josephus Johannes Maria Braat

Holstlaan

Original Assignee

Philips Nv

Priority date (The priority date 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 date listed.)

1984-10-22

Filing date

1985-10-16

Publication date

1989-01-15

1985-10-16 Application filed by Philips Nv filed Critical Philips Nv

1989-01-15 Application granted granted Critical

1989-01-15 Publication of ATE40010T1 publication Critical patent/ATE40010T1/de

Links

239000000758 substrate Substances 0.000 abstract 2
229920003023 plastic Polymers 0.000 abstract 1

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
- G11B7/1372—Lenses
- G11B7/1374—Objective lenses
- 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
- G02B3/04—Simple or compound lenses with non-spherical faces with continuous faces that are rotationally symmetrical but deviate from a true sphere, e.g. so called "aspheric" lenses

Landscapes

Physics & Mathematics (AREA)
Optics & Photonics (AREA)
General Physics & Mathematics (AREA)
Lenses (AREA)
Optical Head (AREA)
Glass Compositions (AREA)

AT85201693T 1984-10-22 1985-10-16 Biaspherische einzellinse. ATE40010T1 (de)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
NL8403198A NL8403198A (nl)	1984-10-22	1984-10-22	Enkelvoudige bi-asferische lens.
EP85201693A EP0179531B1 (de)	1984-10-22	1985-10-16	Biaspherische Einzellinse

Publications (1)

Publication Number	Publication Date
ATE40010T1 true ATE40010T1 (de)	1989-01-15

Family

ID=19844640

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AT85201693T ATE40010T1 (de)	1984-10-22	1985-10-16	Biaspherische einzellinse.

Country Status (10)

Country	Link
US (1)	US4641929A (de)
EP (1)	EP0179531B1 (de)
JP (1)	JPS61107201A (de)
AT (1)	ATE40010T1 (de)
AU (1)	AU4888585A (de)
CA (1)	CA1267014A (de)
DD (1)	DD237722A5 (de)
DE (1)	DE3567543D1 (de)
NL (1)	NL8403198A (de)
SG (1)	SG52490G (de)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NL8502225A (nl) *	1985-06-10	1987-01-02	Philips Nv	Replika lens en methode voor de vervaardiging ervan.
GB8606838D0 (en) *	1986-03-19	1986-04-23	Combined Optical Ind Ltd	Lens
JPH087329B2 (ja) *	1986-05-19	1996-01-29	コニカ株式会社	光情報の記録再生用光学系
JPS6310119A (ja) *	1986-07-02	1988-01-16	Matsushita Electric Ind Co Ltd	大口径単レンズ
GB2200763B (en) *	1987-01-28	1991-02-13	Combined Optical Ind Ltd	Stand magnifiers and lens
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
US4932763A (en) *	1988-07-28	1990-06-12	Canon Kabushiki Kaisha	Aspherical single lens system for use with optical cards
JPH02223906A (ja) *	1989-02-24	1990-09-06	Hoya Corp	有限系大口径非球面レンズ
JPH02119601U (de) *	1989-03-13	1990-09-26
JPH02245715A (ja) *	1989-03-17	1990-10-01	Hoya Corp	低分散ガラスモールド非球面単レンズ
US4979807A (en) *	1989-04-12	1990-12-25	Canon Kabushiki Kaisha	Biaspherical single lens for an optical information recording-reproducing apparatus
NL8901245A (nl) *	1989-05-19	1990-12-17	Philips Nv	Retrofokus objektieflens en optische aftastinrichting voorzien van een dergelijke lens.
US5572362A (en) *	1992-04-20	1996-11-05	Mitsubishi Denki Kabushiki Kaisha	Condenser lens, polarizing element, light source apparatus, and projection display apparatus
US5384659A (en) *	1992-04-20	1995-01-24	Mitsubishi Denki Kabushiki Kaisha	Condenser lens, polarizing element, light source apparatus, and projection display apparatus
FR2696609B1 (fr) *	1992-10-02	1994-12-09	Sagem	Tête d'analyse de télécopieur à réduction d'échelle.
JPH07140381A (ja) *	1993-11-18	1995-06-02	Sony Corp	コマ収差補正方法
JPH0954246A (ja) *	1995-08-10	1997-02-25	Fuji Photo Optical Co Ltd	光記録媒体読取用レンズ
JPH0954247A (ja) *	1995-08-10	1997-02-25	Fuji Photo Optical Co Ltd	光記録媒体読取用レンズ
US6183108B1 (en)	1998-03-30	2001-02-06	Michael A. Herold	Lighting apparatus with convex-convex lens assembly
AT501203A1 (de) *	2004-12-20	2006-07-15	Ge Jenbacher Gmbh & Co Ohg	Linse für einen lasergezündeten verbrennungsmotor
US7826148B2 (en) *	2007-02-15	2010-11-02	Visera Technologies Company Limited	Aspheric lens structures and fabrication methods thereof
US10969560B2 (en)	2017-05-04	2021-04-06	Lightpath Technologies, Inc.	Integrated optical assembly and manufacturing the same

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3535023A (en) *	1967-07-15	1970-10-20	Director Of National Aerospace	Pipe lens having an inner surface of revolution
FR2271585B1 (de) *	1974-05-14	1976-10-15	Philips Nv
JPS5858887B2 (ja) *	1976-08-17	1983-12-27	日立電線株式会社	管路気中送電線の接続方法
JPS5913721B2 (ja) *	1978-10-31	1984-03-31	富士通株式会社	球レンズ光学系
JPS55127510A (en) *	1979-03-26	1980-10-02	Canon Inc	Aspherical lens of ophthalmologic apparatus
NL8103323A (nl) *	1981-07-13	1983-02-01	Philips Nv	Enkelvoudige lens met een sferisch en een asferisch brekend oppervlak.
NL8304212A (nl) *	1983-12-07	1984-10-01	Philips Nv	Enkelvoudige collimatorlens met een asferisch oppervlak.

1984
- 1984-10-22 NL NL8403198A patent/NL8403198A/nl not_active Application Discontinuation
1985
- 1985-01-07 US US06/689,672 patent/US4641929A/en not_active Expired - Fee Related
- 1985-10-16 DE DE8585201693T patent/DE3567543D1/de not_active Expired
- 1985-10-16 AT AT85201693T patent/ATE40010T1/de not_active IP Right Cessation
- 1985-10-16 EP EP85201693A patent/EP0179531B1/de not_active Expired
- 1985-10-17 CA CA000493204A patent/CA1267014A/en not_active Expired - Lifetime
- 1985-10-18 DD DD85281876A patent/DD237722A5/de not_active IP Right Cessation
- 1985-10-21 JP JP60233566A patent/JPS61107201A/ja active Pending
- 1985-10-21 AU AU48885/85A patent/AU4888585A/en not_active Abandoned
1990
- 1990-07-04 SG SG52490A patent/SG52490G/en unknown

Also Published As

Publication number	Publication date
US4641929A (en)	1987-02-10
AU4888585A (en)	1986-05-01
NL8403198A (nl)	1986-05-16
DE3567543D1 (en)	1989-02-16
EP0179531A1 (de)	1986-04-30
DD237722A5 (de)	1986-07-23
SG52490G (en)	1990-08-31
EP0179531B1 (de)	1989-01-11
JPS61107201A (ja)	1986-05-26
CA1267014A (en)	1990-03-27

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Legal Events

Date	Code	Title	Description
1989-07-15	UEP	Publication of translation of european patent specification
1992-07-15	REN	Ceased due to non-payment of the annual fee