FR2140473B1 - - Google Patents

Info

Publication number
FR2140473B1
FR2140473B1 FR7220249A FR7220249A FR2140473B1 FR 2140473 B1 FR2140473 B1 FR 2140473B1 FR 7220249 A FR7220249 A FR 7220249A FR 7220249 A FR7220249 A FR 7220249A FR 2140473 B1 FR2140473 B1 FR 2140473B1
Authority
FR
France
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
FR7220249A
Other languages
French (fr)
Other versions
FR2140473A1 (enExample
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.)
Rank Organization Ltd
Original Assignee
Rank Organization 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
Priority claimed from GB1997271*[A external-priority patent/GB1303908A/en
Application filed by Rank Organization Ltd filed Critical Rank Organization Ltd
Publication of FR2140473A1 publication Critical patent/FR2140473A1/fr
Application granted granted Critical
Publication of FR2140473B1 publication Critical patent/FR2140473B1/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B17/00—Systems with reflecting surfaces, with or without refracting elements
    • G02B17/08—Catadioptric systems
    • G02B17/0884—Catadioptric systems having a pupil corrector
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B17/00—Systems with reflecting surfaces, with or without refracting elements
    • G02B17/08—Catadioptric systems
    • G02B17/0852—Catadioptric systems having a field corrector only

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR7220249A 1971-06-09 1972-06-06 Expired FR2140473B1 (enExample)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1997271*[A GB1303908A (enExample) 1970-06-11 1971-06-09

Publications (2)

Publication Number Publication Date
FR2140473A1 FR2140473A1 (enExample) 1973-01-19
FR2140473B1 true FR2140473B1 (enExample) 1977-06-17

Family

ID=10138183

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7220249A Expired FR2140473B1 (enExample) 1971-06-09 1972-06-06

Country Status (1)

Country Link
FR (1) FR2140473B1 (enExample)

Also Published As

Publication number Publication date
FR2140473A1 (enExample) 1973-01-19

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Legal Events

Date Code Title Description
ST Notification of lapse