GB1367889A - Lenses and mirrors - Google Patents

Lenses and mirrors

Info

Publication number
GB1367889A
GB1367889A GB5354370A GB5354370A GB1367889A GB 1367889 A GB1367889 A GB 1367889A GB 5354370 A GB5354370 A GB 5354370A GB 5354370 A GB5354370 A GB 5354370A GB 1367889 A GB1367889 A GB 1367889A
Authority
GB
United Kingdom
Prior art keywords
mirrors
lenses
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
GB5354370A
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.)
Vickrage J D M
Original Assignee
Vickrage J D M
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 Vickrage J D M filed Critical Vickrage J D M
Priority to GB5354370A priority Critical patent/GB1367889A/en
Publication of GB1367889A publication Critical patent/GB1367889A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B3/02—Simple or compound lenses with non-spherical faces
    • G02B3/04—Simple or compound lenses with non-spherical faces with continuous faces that are rotationally symmetrical but deviate from a true sphere, e.g. so called "aspheric" lenses
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/08—Mirrors
GB5354370A 1970-11-11 1970-11-11 Lenses and mirrors Expired GB1367889A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB5354370A GB1367889A (en) 1970-11-11 1970-11-11 Lenses and mirrors

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5354370A GB1367889A (en) 1970-11-11 1970-11-11 Lenses and mirrors

Publications (1)

Publication Number Publication Date
GB1367889A true GB1367889A (en) 1974-09-25

Family

ID=10468176

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5354370A Expired GB1367889A (en) 1970-11-11 1970-11-11 Lenses and mirrors

Country Status (1)

Country Link
GB (1) GB1367889A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2178867A (en) * 1985-07-29 1987-02-18 Illinois Tool Works A toroidal lens and a light source including it
DE102013203288A1 (en) * 2012-10-29 2014-04-30 Thomas Wedershoven Method for calculating spectacle lens for eye of person, involves detecting data over eye and its refractive error, where detected data is included over non-orthogonal cornea astigmatism
EP2778732A1 (en) * 2013-03-11 2014-09-17 Instytut Optyki Stosowanej Refractive optical element having a convex helical surface for athermalizing an infrared imaging system

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2178867A (en) * 1985-07-29 1987-02-18 Illinois Tool Works A toroidal lens and a light source including it
GB2178867B (en) * 1985-07-29 1989-04-19 Illinois Tool Works A light source assembly
DE102013203288A1 (en) * 2012-10-29 2014-04-30 Thomas Wedershoven Method for calculating spectacle lens for eye of person, involves detecting data over eye and its refractive error, where detected data is included over non-orthogonal cornea astigmatism
DE102013203288B4 (en) * 2012-10-29 2016-10-27 Thomas Wedershoven Method for calculating and producing a spectacle lens for a refractive eye
EP2778732A1 (en) * 2013-03-11 2014-09-17 Instytut Optyki Stosowanej Refractive optical element having a convex helical surface for athermalizing an infrared imaging system

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees