GB9612865D0 - Zoom lens - Google Patents

Zoom lens

Info

Publication number: GB9612865D0
Authority: GB; United Kingdom
Prior art keywords: zoom lens; zoom; lens
Prior art date: 1993-06-28
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.): Granted

Application number

GBGB9612865.7A

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.)

Hanwha Aerospace Co Ltd

Original Assignee

Samsung Aerospace Industries 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.)

1993-06-28

Filing date

1993-06-28

Publication date

1996-08-21

1993-06-28 Application filed by Samsung Aerospace Industries Ltd filed Critical Samsung Aerospace Industries Ltd

1993-06-28 Priority claimed from GB9313297A external-priority patent/GB2280278A/en

1996-08-21 Publication of GB9612865D0 publication Critical patent/GB9612865D0/en

1996-12-04 Publication of GB2301455A publication Critical patent/GB2301455A/en

1997-08-06 Application granted granted Critical

1997-08-06 Publication of GB2301455B publication Critical patent/GB2301455B/en

2013-06-28 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Classifications

- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B15/00—Optical objectives with means for varying the magnification
- G02B15/14—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective
- G02B15/143—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having three groups only
- G02B15/1431—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having three groups only the first group being positive
- G02B15/143103—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having three groups only the first group being positive arranged ++-

Landscapes

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

GB9612865A 1993-06-28 1993-06-28 Three group zoom lens system Expired - Lifetime GB2301455B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB9313297A GB2280278A (en)	1993-06-28	1993-06-28	Three group zoom lens

Publications (3)

Publication Number	Publication Date
GB9612865D0 true GB9612865D0 (en)	1996-08-21
GB2301455A GB2301455A (en)	1996-12-04
GB2301455B GB2301455B (en)	1997-08-06

Family

ID=10737914

Family Applications (5)

Application Number	Title	Priority Date	Filing Date
GB9612852A Expired - Lifetime GB2301453B (en)	1993-06-28	1993-06-28	Three group zoom lens system
GB9612851A Expired - Lifetime GB2301452B (en)	1993-06-28	1993-06-28	Three group zoom lens system
GB9612853A Expired - Lifetime GB2301454B (en)	1993-06-28	1993-06-28	Three group zoom lens system
GB9612865A Expired - Lifetime GB2301455B (en)	1993-06-28	1993-06-28	Three group zoom lens system
GB9612866A Expired - Lifetime GB2301456B (en)	1993-06-28	1993-06-28	Three group zoom lens system

Family Applications Before (3)

Application Number	Title	Priority Date	Filing Date
GB9612852A Expired - Lifetime GB2301453B (en)	1993-06-28	1993-06-28	Three group zoom lens system
GB9612851A Expired - Lifetime GB2301452B (en)	1993-06-28	1993-06-28	Three group zoom lens system
GB9612853A Expired - Lifetime GB2301454B (en)	1993-06-28	1993-06-28	Three group zoom lens system

Family Applications After (1)

Application Number	Title	Priority Date	Filing Date
GB9612866A Expired - Lifetime GB2301456B (en)	1993-06-28	1993-06-28	Three group zoom lens system

Country Status (1)

Country	Link
GB (5)	GB2301453B (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4983027A (en) *	1988-03-31	1991-01-08	Minolta Camera Kabushiki Kaisha	Compact zoom lens system with a high zoom ratio
JPH0331809A (en) *	1989-06-29	1991-02-12	Olympus Optical Co Ltd	Zoom lens
JP2870098B2 (en) *	1990-03-07	1999-03-10	ミノルタ株式会社	Compact zoom lens system

1993
- 1993-06-28 GB GB9612852A patent/GB2301453B/en not_active Expired - Lifetime
- 1993-06-28 GB GB9612851A patent/GB2301452B/en not_active Expired - Lifetime
- 1993-06-28 GB GB9612853A patent/GB2301454B/en not_active Expired - Lifetime
- 1993-06-28 GB GB9612865A patent/GB2301455B/en not_active Expired - Lifetime
- 1993-06-28 GB GB9612866A patent/GB2301456B/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
GB9612852D0 (en)	1996-08-21
GB2301453B (en)	1997-08-06
GB2301454A (en)	1996-12-04
GB2301455B (en)	1997-08-06
GB2301453A (en)	1996-12-04
GB9612866D0 (en)	1996-08-21
GB2301454B (en)	1997-08-06
GB2301456B (en)	1997-08-06
GB2301452B (en)	1997-08-06
GB2301452A (en)	1996-12-04
GB2301455A (en)	1996-12-04
GB9612851D0 (en)	1996-08-21
GB9612853D0 (en)	1996-08-21
GB2301456A (en)	1996-12-04

Publication	Publication Date	Title
GB2258738B (en)	1994-08-03	Zoom lens assembly
EP0634680A3 (en)	1995-07-05	Zoom lens mechanism.
GB2263345B (en)	1995-06-07	Zoom lens system
GB9222039D0 (en)	1992-12-02	Zoom lens system
GB2258320B (en)	1995-05-10	Zoom lens system
GB2281407B (en)	1997-05-07	Zoom lens barrel
GB2253281B (en)	1994-05-25	Zoom lens
GB9220224D0 (en)	1992-11-04	Zoom lens system
GB9214320D0 (en)	1992-08-19	Zoom lens system
GB2275633B (en)	1996-07-10	Lens blocking
GB9519535D0 (en)	1995-11-29	Wide-angle zoom lens
EP0766114A3 (en)	1997-09-10	Zoom lens
GB9222075D0 (en)	1992-12-02	Zoom lens system
GB9219246D0 (en)	1992-10-28	Zoom lens system
GB9227033D0 (en)	1993-02-24	Zoom lens system
GB9526227D0 (en)	1996-02-21	Zoom lens system
GB9221409D0 (en)	1992-11-25	Zoom lens system
GB9207109D0 (en)	1992-05-13	Zoom lens system
EP0493261A3 (en)	1992-11-04	Zoom lens
GB9321381D0 (en)	1993-12-08	Zoom lens system
GB2276013B (en)	1996-06-05	Zoom lens
GB9414125D0 (en)	1994-08-31	Lens system
GB9313297D0 (en)	1993-08-11	Zoom lens
GB9612851D0 (en)	1996-08-21	Zoom lens
TW299039U (en)	1997-02-21	Zoom lens

Legal Events

Date	Code	Title	Description
2009-09-09	732E	Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)	Free format text: REGISTERED BETWEEN 20090813 AND 20090819
2010-12-08	732E	Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)	Free format text: REGISTERED BETWEEN 20101111 AND 20101117
2013-07-17	PE20	Patent expired after termination of 20 years	Expiry date: 20130627