JP3741790B2 - 投影レンズ - Google Patents

投影レンズ Download PDF

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Publication number
JP3741790B2
JP3741790B2 JP24106896A JP24106896A JP3741790B2 JP 3741790 B2 JP3741790 B2 JP 3741790B2 JP 24106896 A JP24106896 A JP 24106896A JP 24106896 A JP24106896 A JP 24106896A JP 3741790 B2 JP3741790 B2 JP 3741790B2
Authority
JP
Japan
Prior art keywords
lens
focal length
projection
positive
curvature
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
JP24106896A
Other languages
English (en)
Japanese (ja)
Other versions
JPH1062684A5 (enExample
JPH1062684A (ja
Inventor
力 山本
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.)
Fujinon Corp
Original Assignee
Fujinon Corp
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 Fujinon Corp filed Critical Fujinon Corp
Priority to JP24106896A priority Critical patent/JP3741790B2/ja
Priority to DE1997136623 priority patent/DE19736623A1/de
Publication of JPH1062684A publication Critical patent/JPH1062684A/ja
Priority to US09/280,080 priority patent/US6295166B1/en
Publication of JPH1062684A5 publication Critical patent/JPH1062684A5/ja
Application granted granted Critical
Publication of JP3741790B2 publication Critical patent/JP3741790B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/74—Projection arrangements for image reproduction, e.g. using eidophor
    • 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)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
  • Liquid Crystal (AREA)
JP24106896A 1996-08-22 1996-08-22 投影レンズ Expired - Lifetime JP3741790B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP24106896A JP3741790B2 (ja) 1996-08-22 1996-08-22 投影レンズ
DE1997136623 DE19736623A1 (de) 1996-08-22 1997-08-22 Projektionsobjektiv, insbesondere für ein Fernseh-Projektionssystem
US09/280,080 US6295166B1 (en) 1996-08-22 1999-03-29 Projection lens for projection type of television system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP24106896A JP3741790B2 (ja) 1996-08-22 1996-08-22 投影レンズ

Publications (3)

Publication Number Publication Date
JPH1062684A JPH1062684A (ja) 1998-03-06
JPH1062684A5 JPH1062684A5 (enExample) 2004-08-26
JP3741790B2 true JP3741790B2 (ja) 2006-02-01

Family

ID=17068827

Family Applications (1)

Application Number Title Priority Date Filing Date
JP24106896A Expired - Lifetime JP3741790B2 (ja) 1996-08-22 1996-08-22 投影レンズ

Country Status (2)

Country Link
JP (1) JP3741790B2 (enExample)
DE (1) DE19736623A1 (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4240340B2 (ja) * 1998-08-24 2009-03-18 フジノン株式会社 投影レンズ
ES2306599B1 (es) * 2007-04-24 2009-09-03 Joan Aguado Moreno Copiador digital de diapositivas.
WO2008129109A1 (es) * 2007-04-24 2008-10-30 Joan Aguado Moreno Copiador digital
KR101053288B1 (ko) 2009-12-22 2011-08-01 삼성전기주식회사 촬상 광학계
CN115201997B (zh) * 2021-04-08 2024-07-12 宁波舜宇车载光学技术有限公司 光学镜头及电子设备
CN116009192B (zh) * 2021-10-21 2025-11-25 成都理想境界科技有限公司 光学成像镜组、扫描显示装置及近眼显示设备
JP7553617B2 (ja) * 2023-01-20 2024-09-18 維沃移動通信有限公司 撮像レンズモジュール、撮像装置及び電子機器

Also Published As

Publication number Publication date
DE19736623A1 (de) 1998-02-26
JPH1062684A (ja) 1998-03-06

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