KR100465099B1 - 초점길이 비율에 대한 큰 역초점길이를 갖는 투사렌즈 - Google Patents

초점길이 비율에 대한 큰 역초점길이를 갖는 투사렌즈 Download PDF

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Publication number
KR100465099B1
KR100465099B1 KR1019970021458A KR19970021458A KR100465099B1 KR 100465099 B1 KR100465099 B1 KR 100465099B1 KR 1019970021458 A KR1019970021458 A KR 1019970021458A KR 19970021458 A KR19970021458 A KR 19970021458A KR 100465099 B1 KR100465099 B1 KR 100465099B1
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South Korea
Prior art keywords
lens
projection lens
lens unit
projection
image
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Expired - Fee Related
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KR1019970021458A
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English (en)
Korean (ko)
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KR970075961A (ko
Inventor
멜빈 에이치. 크라이쳐
자콥 모스코비치
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쓰리엠 이노베이티브 프로퍼티즈 컴파니
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Publication of KR970075961A publication Critical patent/KR970075961A/ko
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    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/04—Reversed telephoto objectives
    • 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
    • G02B9/00—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or -
    • G02B9/12—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having three components only

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
KR1019970021458A 1996-05-24 1997-05-24 초점길이 비율에 대한 큰 역초점길이를 갖는 투사렌즈 Expired - Fee Related KR100465099B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US1832596P 1996-05-24 1996-05-24
US60/018,325 1996-05-24

Publications (2)

Publication Number Publication Date
KR970075961A KR970075961A (ko) 1997-12-10
KR100465099B1 true KR100465099B1 (ko) 2005-06-17

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KR1019970021458A Expired - Fee Related KR100465099B1 (ko) 1996-05-24 1997-05-24 초점길이 비율에 대한 큰 역초점길이를 갖는 투사렌즈

Country Status (7)

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US (2) US5870228A (enExample)
EP (1) EP0809407B1 (enExample)
JP (1) JPH10142503A (enExample)
KR (1) KR100465099B1 (enExample)
CN (1) CN1098464C (enExample)
DE (1) DE69723772T2 (enExample)
TW (1) TW328114B (enExample)

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Also Published As

Publication number Publication date
CN1180841A (zh) 1998-05-06
US5870228A (en) 1999-02-09
TW328114B (en) 1998-03-11
KR970075961A (ko) 1997-12-10
DE69723772T2 (de) 2004-06-03
CN1098464C (zh) 2003-01-08
JPH10142503A (ja) 1998-05-29
EP0809407B1 (en) 2003-07-30
DE69723772D1 (de) 2003-09-04
EP0809407A1 (en) 1997-11-26
US5969876A (en) 1999-10-19

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