GB1503456A - Optical projection lenses - Google Patents

Optical projection lenses

Info

Publication number
GB1503456A
GB1503456A GB4886976A GB4886976A GB1503456A GB 1503456 A GB1503456 A GB 1503456A GB 4886976 A GB4886976 A GB 4886976A GB 4886976 A GB4886976 A GB 4886976A GB 1503456 A GB1503456 A GB 1503456A
Authority
GB
United Kingdom
Prior art keywords
optical projection
projection lenses
lenses
optical
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
Application number
GB4886976A
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.)
DALLMEYER J Ltd
Original Assignee
DALLMEYER J Ltd
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 DALLMEYER J Ltd filed Critical DALLMEYER J Ltd
Priority to GB4886976A priority Critical patent/GB1503456A/en
Publication of GB1503456A publication Critical patent/GB1503456A/en
Expired legal-status Critical Current

Links

Classifications

    • 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 -
    • G02B9/60—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having five components only
GB4886976A 1976-11-24 1976-11-24 Optical projection lenses Expired GB1503456A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB4886976A GB1503456A (en) 1976-11-24 1976-11-24 Optical projection lenses

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4886976A GB1503456A (en) 1976-11-24 1976-11-24 Optical projection lenses

Publications (1)

Publication Number Publication Date
GB1503456A true GB1503456A (en) 1978-03-08

Family

ID=10450238

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4886976A Expired GB1503456A (en) 1976-11-24 1976-11-24 Optical projection lenses

Country Status (1)

Country Link
GB (1) GB1503456A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4671626A (en) * 1984-03-21 1987-06-09 Minolta Camera Kabushiki Kaisha Photographic lens system
DE19529673A1 (en) * 1994-08-12 1996-02-15 Asahi Optical Co Ltd Projection objective for magnifying projector for projecting large images

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4671626A (en) * 1984-03-21 1987-06-09 Minolta Camera Kabushiki Kaisha Photographic lens system
DE19529673A1 (en) * 1994-08-12 1996-02-15 Asahi Optical Co Ltd Projection objective for magnifying projector for projecting large images
DE19529673C2 (en) * 1994-08-12 2003-06-05 Casio Computer Co Ltd Projection lens and projector

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee