DE3871541D1 - Linse. - Google Patents

Linse.

Info

Publication number
DE3871541D1
DE3871541D1 DE8888300740T DE3871541T DE3871541D1 DE 3871541 D1 DE3871541 D1 DE 3871541D1 DE 8888300740 T DE8888300740 T DE 8888300740T DE 3871541 T DE3871541 T DE 3871541T DE 3871541 D1 DE3871541 D1 DE 3871541D1
Authority
DE
Germany
Prior art keywords
point
lens
mould
spaced
concave surface
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 - Fee Related
Application number
DE8888300740T
Other languages
English (en)
Other versions
DE3871541T2 (de
Inventor
Robert John Roote
Ian Kenneth Pasco
Ian John Smithers
Paul James Fisher
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.)
Combined Optical Industries Ltd
Original Assignee
Combined Optical Industries 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 Combined Optical Industries Ltd filed Critical Combined Optical Industries Ltd
Publication of DE3871541D1 publication Critical patent/DE3871541D1/de
Application granted granted Critical
Publication of DE3871541T2 publication Critical patent/DE3871541T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S359/00—Optical: systems and elements
    • Y10S359/90—Methods

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
  • Lenses (AREA)
  • Testing Of Optical Devices Or Fibers (AREA)
  • Window Of Vehicle (AREA)
  • Glass Compositions (AREA)
DE8888300740T 1987-01-28 1988-01-28 Linse. Expired - Fee Related DE3871541T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8701879A GB2200762B (en) 1987-01-28 1987-01-28 Biconvex lens having offset optical and geometrical axes.

Publications (2)

Publication Number Publication Date
DE3871541D1 true DE3871541D1 (de) 1992-07-09
DE3871541T2 DE3871541T2 (de) 1993-01-21

Family

ID=10611347

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8888300740T Expired - Fee Related DE3871541T2 (de) 1987-01-28 1988-01-28 Linse.

Country Status (5)

Country Link
US (1) US4836659A (de)
EP (1) EP0278638B1 (de)
AT (1) ATE76979T1 (de)
DE (1) DE3871541T2 (de)
GB (1) GB2200762B (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5239416A (en) * 1992-06-29 1993-08-24 Optical Designs, Inc. Variable power zoom stand magnifier

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2473588A (en) * 1943-09-06 1949-06-21 Combined Optical Ind Ltd Method of molding lenses and like optical elements
GB710967A (en) * 1950-10-11 1954-06-23 Kurt Kirchhoff Improvements in or relating to lens attachments for photographic cameras
US2906160A (en) * 1958-11-07 1959-09-29 Palley Stephen L St Automatic gunsight
FR2128940A5 (de) * 1971-03-09 1972-10-27 Ducellier & Cie

Also Published As

Publication number Publication date
GB2200762A (en) 1988-08-10
GB8701879D0 (en) 1987-03-04
EP0278638B1 (de) 1992-06-03
US4836659A (en) 1989-06-06
EP0278638A1 (de) 1988-08-17
DE3871541T2 (de) 1993-01-21
ATE76979T1 (de) 1992-06-15
GB2200762B (en) 1990-12-05

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee