JPS55124114A - Projector lens - Google Patents

Projector lens

Info

Publication number
JPS55124114A
JPS55124114A JP11564579A JP11564579A JPS55124114A JP S55124114 A JPS55124114 A JP S55124114A JP 11564579 A JP11564579 A JP 11564579A JP 11564579 A JP11564579 A JP 11564579A JP S55124114 A JPS55124114 A JP S55124114A
Authority
JP
Japan
Prior art keywords
projector lens
projector
lens
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.)
Pending
Application number
JP11564579A
Other languages
Japanese (ja)
Inventor
Ai Betensukii Erisu
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.)
3M Precision Optics Inc
Original Assignee
US Precision Lens Inc
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 US Precision Lens Inc filed Critical US Precision Lens Inc
Publication of JPS55124114A publication Critical patent/JPS55124114A/en
Pending 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
    • 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
    • G02B9/14—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having three components only arranged + - +
    • G02B9/16—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having three components only arranged + - + all the components being simple

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
JP11564579A 1978-09-08 1979-09-08 Projector lens Pending JPS55124114A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US94072478A 1978-09-08 1978-09-08

Publications (1)

Publication Number Publication Date
JPS55124114A true JPS55124114A (en) 1980-09-25

Family

ID=25475317

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11564579A Pending JPS55124114A (en) 1978-09-08 1979-09-08 Projector lens

Country Status (2)

Country Link
JP (1) JPS55124114A (en)
DE (1) DE2936548A1 (en)

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56131658U (en) * 1980-03-08 1981-10-06
JPS57177115A (en) * 1981-04-23 1982-10-30 Jihei Nakagawa Projection lens device
JPS58125007A (en) * 1982-01-20 1983-07-25 Matsushita Electric Ind Co Ltd Projection lens
JPS58181009A (en) * 1982-04-16 1983-10-22 Matsushita Electric Ind Co Ltd Projection lens
JPS59133517A (en) * 1983-01-21 1984-07-31 Nippon Kogaku Kk <Nikon> Projection lens
JPS6067914A (en) * 1983-09-22 1985-04-18 Konishiroku Photo Ind Co Ltd Projection lens for television projector
JPS60177478U (en) * 1984-05-07 1985-11-25 日本電気株式会社 table tap
US4564269A (en) * 1983-08-29 1986-01-14 Nippon Kogaku K.K. Projection lens
JPS6180119A (en) * 1984-09-27 1986-04-23 Matsushita Electric Ind Co Ltd Projecting optical device
JPS61147213A (en) * 1984-12-20 1986-07-04 Matsushita Electric Ind Co Ltd Compact projection lens
JPS61180214A (en) * 1985-02-06 1986-08-12 Matsushita Electric Ind Co Ltd Compact projection lens
JPS61189513A (en) * 1985-02-18 1986-08-23 エヌ・ベー・フイリツプス・フルーイランペンフアブリケン Projection lens system
US4690515A (en) * 1984-12-20 1987-09-01 Matsushita Electric Industrial Co., Ltd. Compact projection lens
JPS63148221A (en) * 1986-11-24 1988-06-21 エヌ・ベー・フィリップス・フルーイランペンファブリケン Image projection system
JPH01314217A (en) * 1988-06-14 1989-12-19 Asahi Optical Co Ltd Projection enlarger lens

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4577935A (en) * 1980-03-03 1986-03-25 Minolta Camera Kabushika Kaisha Video projector lens system

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4995533A (en) * 1972-10-20 1974-09-10

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2502543A (en) * 1946-12-30 1950-04-04 Taylor Taylor & Hobson Ltd Highly corrected optical objective with axially spaced spherical aberration correction means
US3868173A (en) * 1973-01-18 1975-02-25 Ambatis Maris Objective lens assembly for projection television

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4995533A (en) * 1972-10-20 1974-09-10

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56131658U (en) * 1980-03-08 1981-10-06
JPS57177115A (en) * 1981-04-23 1982-10-30 Jihei Nakagawa Projection lens device
JPH0151809B2 (en) * 1981-04-23 1989-11-06 Jihei Nakagawa
JPS6218894B2 (en) * 1982-01-20 1987-04-24 Matsushita Electric Ind Co Ltd
JPS58125007A (en) * 1982-01-20 1983-07-25 Matsushita Electric Ind Co Ltd Projection lens
JPS58181009A (en) * 1982-04-16 1983-10-22 Matsushita Electric Ind Co Ltd Projection lens
JPH0411847B2 (en) * 1982-04-16 1992-03-02 Matsushita Electric Ind Co Ltd
JPS59133517A (en) * 1983-01-21 1984-07-31 Nippon Kogaku Kk <Nikon> Projection lens
JPH0423764B2 (en) * 1983-01-21 1992-04-23 Nippon Kogaku Kk
US4564269A (en) * 1983-08-29 1986-01-14 Nippon Kogaku K.K. Projection lens
JPS6067914A (en) * 1983-09-22 1985-04-18 Konishiroku Photo Ind Co Ltd Projection lens for television projector
JPH0433005B2 (en) * 1983-09-22 1992-06-01 Konishiroku Photo Ind
JPS60177478U (en) * 1984-05-07 1985-11-25 日本電気株式会社 table tap
JPS6180119A (en) * 1984-09-27 1986-04-23 Matsushita Electric Ind Co Ltd Projecting optical device
US4690515A (en) * 1984-12-20 1987-09-01 Matsushita Electric Industrial Co., Ltd. Compact projection lens
JPS61147213A (en) * 1984-12-20 1986-07-04 Matsushita Electric Ind Co Ltd Compact projection lens
JPS61180214A (en) * 1985-02-06 1986-08-12 Matsushita Electric Ind Co Ltd Compact projection lens
JPS61189513A (en) * 1985-02-18 1986-08-23 エヌ・ベー・フイリツプス・フルーイランペンフアブリケン Projection lens system
JPS63148221A (en) * 1986-11-24 1988-06-21 エヌ・ベー・フィリップス・フルーイランペンファブリケン Image projection system
JPH01314217A (en) * 1988-06-14 1989-12-19 Asahi Optical Co Ltd Projection enlarger lens

Also Published As

Publication number Publication date
DE2936548A1 (en) 1980-05-29
DE2936548C2 (en) 1988-02-11

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