DE3674222D1 - Projektionsobjektiv. - Google Patents

Projektionsobjektiv.

Info

Publication number
DE3674222D1
DE3674222D1 DE8686200218T DE3674222T DE3674222D1 DE 3674222 D1 DE3674222 D1 DE 3674222D1 DE 8686200218 T DE8686200218 T DE 8686200218T DE 3674222 T DE3674222 T DE 3674222T DE 3674222 D1 DE3674222 D1 DE 3674222D1
Authority
DE
Germany
Prior art keywords
projection lens
lens
projection
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
Application number
DE8686200218T
Other languages
English (en)
Inventor
Josephus Johannes Maria Braat
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken 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.)
Filing date
Publication date
Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of DE3674222D1 publication Critical patent/DE3674222D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/18—Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/16—Optical objectives specially designed for the purposes specified below for use in conjunction with image converters or intensifiers, or for use with projectors, e.g. objectives for projection TV

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
DE8686200218T 1985-02-18 1986-02-17 Projektionsobjektiv. Expired - Lifetime DE3674222D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8500454A NL8500454A (nl) 1985-02-18 1985-02-18 Projektielenzenstelsel.

Publications (1)

Publication Number Publication Date
DE3674222D1 true DE3674222D1 (de) 1990-10-25

Family

ID=19845544

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686200218T Expired - Lifetime DE3674222D1 (de) 1985-02-18 1986-02-17 Projektionsobjektiv.

Country Status (7)

Country Link
US (1) US4872748A (de)
EP (1) EP0193232B1 (de)
JP (1) JPH068930B2 (de)
AU (1) AU582419B2 (de)
CA (1) CA1270686A (de)
DE (1) DE3674222D1 (de)
NL (1) NL8500454A (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8500453A (nl) * 1985-02-18 1986-09-16 Philips Nv Projektielenzenstelsel.
NL8602974A (nl) * 1986-11-24 1988-06-16 Philips Nv Projektielenzenstelsel.
US5204774A (en) * 1991-12-06 1993-04-20 Varo Inc. Night vision goggle with improved optical system
US5870228A (en) * 1996-05-24 1999-02-09 U.S. Precision Lens Inc. Projection lenses having larger back focal length to focal length ratios
JPH09325275A (ja) * 1996-06-04 1997-12-16 Canon Inc 照明装置及びそれを用いた投影露光装置
US6124979A (en) 1997-09-10 2000-09-26 Hitachi, Ltd. Projection display apparatus and projection lens device for use therein
US6104554A (en) * 1999-05-06 2000-08-15 U.S. Precision Lens Projection television lens assembly
JP2009205058A (ja) * 2008-02-29 2009-09-10 National Institute Of Information & Communication Technology 立体視表示装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB593514A (en) * 1944-10-17 1947-10-20 John Henry Jeffree Improvements in or relating to lens systems for wide-aperture anastigmatic objectives
US4300817A (en) * 1978-09-08 1981-11-17 U.S. Precision Lens Incorporated Projection lens
US4348081A (en) * 1979-09-05 1982-09-07 U.S. Precision Lens Inc. Projection lens
JPS59121016A (ja) * 1982-12-28 1984-07-12 Konishiroku Photo Ind Co Ltd 投影レンズ
NL8500453A (nl) * 1985-02-18 1986-09-16 Philips Nv Projektielenzenstelsel.
JPH118616A (ja) * 1997-06-17 1999-01-12 Dainippon Printing Co Ltd 故障利用攻撃対応ｉｃカード

Also Published As

Publication number Publication date
CA1270686A (en) 1990-06-26
EP0193232B1 (de) 1990-09-19
JPH068930B2 (ja) 1994-02-02
US4872748A (en) 1989-10-10
JPS61189514A (ja) 1986-08-23
NL8500454A (nl) 1986-09-16
EP0193232A1 (de) 1986-09-03
AU5349586A (en) 1986-08-21
AU582419B2 (en) 1989-03-23

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: PHILIPS ELECTRONICS N.V., EINDHOVEN, NL

8339 Ceased/non-payment of the annual fee