BE784606A - PERFECTED REFLECTIVE LENS - Google Patents

PERFECTED REFLECTIVE LENS

Info

Publication number: BE784606A
Authority: BE; Belgium
Prior art keywords: perfected; reflective lens; reflective; lens; perfected reflective
Prior art date: 1971-06-09

Application number

BE784606A

Other languages

French (fr)

Original Assignee

Rank Organisation 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.)

1971-06-09

Filing date

1972-06-08

Publication date

1972-10-02

1972-06-08 Application filed by Rank Organisation Ltd filed Critical Rank Organisation Ltd

1972-10-02 Publication of BE784606A publication Critical patent/BE784606A/en

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
- G02B17/0804—Catadioptric systems using two curved mirrors
- G02B17/0808—Catadioptric systems using two curved mirrors on-axis systems with at least one of the mirrors having a central aperture
- 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)
Lenses (AREA)

BE784606A 1971-06-09 1972-06-08 PERFECTED REFLECTIVE LENS BE784606A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB1979171A GB1388545A (en)	1971-06-09	1971-06-09	Catadioptric lenses

Publications (1)

Publication Number	Publication Date
BE784606A true BE784606A (en)	1972-10-02

Family

ID=10135283

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE784606A BE784606A (en)	1971-06-09	1972-06-08	PERFECTED REFLECTIVE LENS

Country Status (6)

Country	Link
BE (1)	BE784606A (en)
DE (1)	DE2228235C2 (en)
FR (1)	FR2140472B1 (en)
GB (1)	GB1388545A (en)
IL (1)	IL39647A (en)
NL (1)	NL7207921A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0237041B1 (en) *	1986-03-12	1993-08-18	Matsushita Electric Industrial Co., Ltd.	Projection optical system for use in precise copy
CN110579859A (en) *	2019-09-03	2019-12-17	佛山科学技术学院	compact type long-focal-length star sensor telecentric optical system

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1199515B (en) *	1961-12-23	1965-08-26	Rodenstock Optik G	Mirror lens

1971
- 1971-06-09 GB GB1979171A patent/GB1388545A/en not_active Expired
1972
- 1972-06-06 FR FR7220248A patent/FR2140472B1/fr not_active Expired
- 1972-06-08 IL IL39647A patent/IL39647A/en unknown
- 1972-06-08 BE BE784606A patent/BE784606A/en not_active IP Right Cessation
- 1972-06-09 DE DE2228235A patent/DE2228235C2/en not_active Expired
- 1972-06-09 NL NL7207921A patent/NL7207921A/xx not_active Application Discontinuation

Also Published As

Publication number	Publication date
DE2228235A1 (en)	1972-12-21
IL39647A (en)	1975-03-13
IL39647A0 (en)	1972-08-30
FR2140472B1 (en)	1977-06-17
NL7207921A (en)	1972-12-12
FR2140472A1 (en)	1973-01-19
DE2228235C2 (en)	1981-11-26
GB1388545A (en)	1975-03-26

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Legal Events

Date

Code

Title

Description

1986-12-31

RE

Patent lapsed

Owner name: THE RANK ORGANISATION LTD

Effective date: 19860630