GB1289250A - - Google Patents

Info

Publication number
GB1289250A
GB1289250A GB1289250DA GB1289250A GB 1289250 A GB1289250 A GB 1289250A GB 1289250D A GB1289250D A GB 1289250DA GB 1289250 A GB1289250 A GB 1289250A
Authority
GB
United Kingdom
Prior art keywords
april
lens
radii
heading
viii
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
Other languages
English (en)
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 filed Critical
Publication of GB1289250A publication Critical patent/GB1289250A/en
Expired 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
GB1289250D 1970-04-02 1971-04-19 Expired GB1289250A (enExample)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US2512770A 1970-04-02 1970-04-02

Publications (1)

Publication Number Publication Date
GB1289250A true GB1289250A (enExample) 1972-09-13

Family

ID=21824193

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1289250D Expired GB1289250A (enExample) 1970-04-02 1971-04-19

Country Status (5)

Country Link
US (1) US3602578A (enExample)
CA (1) CA939543A (enExample)
DE (1) DE2115684A1 (enExample)
FR (1) FR2085780B1 (enExample)
GB (1) GB1289250A (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4779966A (en) * 1984-12-21 1988-10-25 The Perkin-Elmer Corporation Single mirror projection optical system
US5642441A (en) * 1995-10-24 1997-06-24 Neopath, Inc. Separation apparatus and method for measuring focal plane

Also Published As

Publication number Publication date
DE2115684A1 (de) 1971-10-21
US3602578A (en) 1971-08-31
CA939543A (en) 1974-01-08
FR2085780A1 (enExample) 1971-12-31
FR2085780B1 (enExample) 1974-02-15

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee