PT101696A - Objectiva de projeccao feita de espelhos corrigida - Google Patents

Objectiva de projeccao feita de espelhos corrigida Download PDF

Info

Publication number
PT101696A
PT101696A PT10169695A PT10169695A PT101696A PT 101696 A PT101696 A PT 101696A PT 10169695 A PT10169695 A PT 10169695A PT 10169695 A PT10169695 A PT 10169695A PT 101696 A PT101696 A PT 101696A
Authority
PT
Portugal
Prior art keywords
mirrors
corrected
project objective
objective made
project
Prior art date
Application number
PT10169695A
Other languages
English (en)
Inventor
Joaquim Antonio Abran Candeias
Original Assignee
Joaquim Antonio Abrantes Cande
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 Joaquim Antonio Abrantes Cande filed Critical Joaquim Antonio Abrantes Cande
Priority to PT10169695A priority Critical patent/PT101696A/pt
Priority to EP96670002A priority patent/EP0741309A3/en
Publication of PT101696A publication Critical patent/PT101696A/pt

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
    • G02B17/0804—Catadioptric systems using two curved mirrors
    • G02B17/0816—Catadioptric systems using two curved mirrors off-axis or unobscured systems in which not all of the mirrors share a common axis of rotational symmetry, e.g. at least one of the mirrors is warped, tilted or decentered with respect to the other elements
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/16—Optical objectives specially designed for the purposes specified below for use in conjunction with image converters or intensifiers, or for use with projectors, e.g. objectives for projection TV
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B17/00—Systems with reflecting surfaces, with or without refracting elements
    • G02B17/02—Catoptric systems, e.g. image erecting and reversing system
    • G02B17/06—Catoptric systems, e.g. image erecting and reversing system using mirrors only, i.e. having only one curved mirror
    • G02B17/0605—Catoptric systems, e.g. image erecting and reversing system using mirrors only, i.e. having only one curved mirror using two curved mirrors
    • G02B17/0621—Catoptric systems, e.g. image erecting and reversing system using mirrors only, i.e. having only one curved mirror using two curved mirrors off-axis or unobscured systems in which not all of the mirrors share a common axis of rotational symmetry, e.g. at least one of the mirrors is warped, tilted or decentered with respect to the other elements

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
PT10169695A 1995-05-04 1995-05-04 Objectiva de projeccao feita de espelhos corrigida PT101696A (pt)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PT10169695A PT101696A (pt) 1995-05-04 1995-05-04 Objectiva de projeccao feita de espelhos corrigida
EP96670002A EP0741309A3 (en) 1995-05-04 1996-05-03 Improved projection lens made from mirror

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PT10169695A PT101696A (pt) 1995-05-04 1995-05-04 Objectiva de projeccao feita de espelhos corrigida

Publications (1)

Publication Number Publication Date
PT101696A true PT101696A (pt) 1996-12-31

Family

ID=20085506

Family Applications (1)

Application Number Title Priority Date Filing Date
PT10169695A PT101696A (pt) 1995-05-04 1995-05-04 Objectiva de projeccao feita de espelhos corrigida

Country Status (2)

Country Link
EP (1) EP0741309A3 (pt)
PT (1) PT101696A (pt)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6552852B2 (en) * 2000-12-21 2003-04-22 Zetetic Institute Catoptric and catadioptric imaging systems

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2822579C3 (de) * 1978-05-24 1982-02-04 Fa. Carl Zeiss, 7920 Heidenheim Optisches Abbildungssystem
JPS55114081A (en) * 1979-02-26 1980-09-03 Matsushita Electronics Corp Television picture projector
US4747678A (en) * 1986-12-17 1988-05-31 The Perkin-Elmer Corporation Optical relay system with magnification
US5144496A (en) * 1989-07-19 1992-09-01 Olympus Optical Co., Ltd. Reflecting objective system including a negative optical power second mirror with increasing negative optical power off-axis
DE3943258A1 (de) * 1989-12-29 1991-07-11 Michael Brunn Silhouettierungsfreies spiegelsystem fuer astronomische teleskope vom typ schiefspiegler

Also Published As

Publication number Publication date
EP0741309A2 (en) 1996-11-06
EP0741309A3 (en) 1996-12-27

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Legal Events

Date Code Title Description
BB1A Laying open of patent application

Effective date: 19950720

FC3A Refusal

Effective date: 19990315