GB9308743D0 - Improvements in or relating to viewing systems - Google Patents

Improvements in or relating to viewing systems

Info

Publication number: GB9308743D0
Authority: GB; United Kingdom
Prior art keywords: relating; viewing systems; viewing; systems
Prior art date: 1993-04-28
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn

Application number

GB939308743A

Other versions

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.)

THOMAS JUSTIN M

Original Assignee

THOMAS JUSTIN M

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.)

1993-04-28

Filing date

1993-04-28

Publication date

1993-06-09

1993-04-28 Application filed by THOMAS JUSTIN M filed Critical THOMAS JUSTIN M

1993-04-28 Priority to GB9308743A priority Critical patent/GB2277603A/en

1993-06-09 Publication of GB9308743D0 publication Critical patent/GB9308743D0/en

1994-11-02 Publication of GB2277603A publication Critical patent/GB2277603A/en

Status Withdrawn legal-status Critical Current

Classifications

- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/02—Simple or compound lenses with non-spherical faces

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Optics & Photonics (AREA)
Lenses (AREA)

GB9308743A 1993-04-28 1993-04-28 Viewing system having aspheric lens element Withdrawn GB2277603A (en)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
GB9308743A GB2277603A (en)	1993-04-28	1993-04-28	Viewing system having aspheric lens element

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB9308743A GB2277603A (en)	1993-04-28	1993-04-28	Viewing system having aspheric lens element

Publications (2)

Publication Number	Publication Date
GB9308743D0 true GB9308743D0 (en)	1993-06-09
GB2277603A GB2277603A (en)	1994-11-02

Family

ID=10734594

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB9308743A Withdrawn GB2277603A (en)	1993-04-28	1993-04-28	Viewing system having aspheric lens element

Country Status (1)

Country	Link
GB (1)	GB2277603A (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP2593430B2 (en) *	1984-05-02	1997-03-26	オリンパス光学工業株式会社	Illumination optical system for endoscope
JPH07104492B2 (en) *	1985-12-28	1995-11-13	オリンパス光学工業株式会社	Illumination optical system for endoscope
US4733937A (en) *	1986-10-17	1988-03-29	Welch Allyn, Inc.	Illuminating system for endoscope or borescope
JPH07104494B2 (en) *	1987-06-26	1995-11-13	オリンパス光学工業株式会社	Illumination optical system for endoscope

1993
- 1993-04-28 GB GB9308743A patent/GB2277603A/en not_active Withdrawn

Also Published As

Publication number	Publication date
GB2277603A (en)	1994-11-02

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Legal Events

Date	Code	Title	Description
1995-08-23	WAP	Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)